June 26, 2023 NHTSA CAMPAIGN NUMBER: 23V445000
Loss of Drive Power from Fuel Pump Shutdown
A loss of drive power can increase the risk of a crash.
NHTSA Campaign Number: 23V445
Manufacturer Mercedes-Benz
USA, LLC
Components FUEL SYSTEM, GASOLINE
Potential Number of Units Affected 143,551
Summary
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 C-Class, E-Class, S-Class, CLS, SL, GT, GLC, GLE, GLS, and G-Class vehicles. Please refer to MBUSA’s recall report for specific vehicle details. The fuel pump may shutdown, which can result in a loss of drive power.
Remedy
Dealers will replace the fuel pump, free of charge. Interim notification letters, notifying owners of the safety risk, were mailed August 18, 2023. Owner notification letters with a remedy were mailed September 29, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA’s number for this recall is 2023070012.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Check if your Mercedes-Benz has a Recall
Frequently Asked Questions (FAQ’s)
What vehicles are included in the recall?
- Model Year (“MY”) 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles.
Will the recall be rolled out in waves?
- Yes, the campaign will be rolled out in waves. Vehicles in hot regions will be prioritized.
How can I determine if a vehicle is included in the recall?
- VINs will be flagged as “OPEN” in Netstar-VMI under campaign #2023070012.
Will this Recall expire?
- No, recalls do not expire.
Does the vehicle need to be brought to the dealer to have the recall completed?
- Only an authorized Mercedes-Benz dealer may perform this recall repair.
Which parts should dealers order?
- Refer to NCU part designation based on model. Parts can only be ordered for vehicles in open status in Netstar-VMI.
Why is the VMI “pending” date 1/12/24?
- This date represents the approximate date of last wave for all vehicles launched, based on parts availability from GLC. This date is subject to change. Please monitor Netstar VMI per VIN.
When will dealer CPO vehicles launch?
- All CPO vehicles were included in wave 1 launch and have a remedy available. PO vehicles are combined with all other retailed units. Vehicles in hot regions will be prioritized first.
What about customer vehicles that are still in VMI “pending” status but are down due to the described issue?
- Dealers – Please contact your AOM for further information.
- AOMs – Please submit a request to the recall inbox. Further analysis will be conducted based on wave and parts supply.
Is this a stop drive recall?
- No, customers may continue to drive the vehicle.
September 15, 2023
2023070012
Replace Fuel Pump Delivery Module – Wave 1
This is to notify you of the Recall Campaign Launch to replace the fuel pump delivery module on 53,014 Model Year (“MY”) 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles. The recall campaign will be visible on the www.NHTSA.gov website and may generate questions from customers. Affected VINs will be flagged in VMI as “OPEN” on September 15, 2023.
Issue
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles, the fuel pump impeller might not meet current specifications in regards to material characteristics. As a consequence, the impeller might deform and then contact the fuel pump housing and result in mechanical resistance on the impeller. In some instances, this could cause the fuel pump to stop operating. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury. Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice a roughly running engine.
What We’re Doing
MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will replace the fuel pump delivery module on the affected vehicles.
Parts
The remedy is available and can be performed.
Given this notice, it is a violation of Federal law for a dealer to sell or lease any new vehicles in dealer inventory covered by this notification until the vehicle has been repaired. Once the remedy is available, the vehicles will be flagged as “OPEN” and Work Instructions will be available in NetStar VMI and Xentry Portal. Once the repair is complete the vehicle may be sold or leased.
Loaner and demonstrator vehicles may continue to be driven, but must not be retailed until repaired. As a matter of normal service process, please check for other repair measures which might be applicable to the vehicle(s).
Additionally, given this notice, it is a violation of Federal Law for car rental companies to rent new vehicles covered by this notification until the vehicle has been repaired.
Customer Notification Timeline
Customer letters will be mailed on September 29, 2023.
Replace Fuel Pump Delivery Module
Work Procedure
The fuel tank may only be filled up to a maximum of 20%.
This corresponds to two lines (A) on the fuel display (Figure 1).
- Replace fuel pump.
For basic data, see AR47.20-P-5710*.
* Select the WIS document according to the vehicle model. No quick test has to be performed.
No quick test has to be performed.
Only for model 167
Contrary to the WIS document (AR88.60-P-2001ME – Remove/install tank filler recess), the tank filler recess must not be removed. Disconnecting the hose lines at the activated charcoal canister and the sealing bellows on the inside at the tank filler recess is sufficient.
Installation:
Delivery modules that are delivered without float-and-lever sensor must be modified. (Figure 2-4)
- Assemble in reverse order.
Primary Parts Information
If one of the following part numbers (column 1) was determined via the vehicle identification number in the parts process, the delivery module with the item number (column 2) should be ordered and installed!
If, due to the availability of parts, the determined delivery module from column 2 is not available, the part number from column 1 can be ordered.
The difference between the delivery module column 1 (delivery module with float-and-lever sensor) and column 2 (delivery module without float-and-lever sensor) is the delivery condition if supplied with or without float-and-lever sensor. If a delivery module from column 2 is delivered, proceed as per the operation item “12-1759”.
If the required parts number determined in the XENTRY parts process is not listed in column 1, this must be ordered in accordance with the XENTRY parts process.
| Column 1 | Column 2 |
| Part number determined via the vehicle identification number in the parts process
* If the part number has 12 digits, the last two digits can be ignored and the part from column 2 must be ordered! | Order delivery module without float-and-lever sensor and install |
| A 167 470 03 94 /* | A 167 470 07 06 |
| A 167 470 45 00 /* | A 167 470 06 06 |
| A 167 470 69 00 /* | A 167 470 05 06 |
| A 205 470 27 02 /* | A 205 470 52 03 |
| A 205 470 49 00 /* | A 205 470 51 03 |
| A 205 470 85 01 /* | A 205 470 50 03 |
| Qty. | Part Name | Part Number |
| 1 | Delivery unit in right fuel tank | * |
| 1 | O-RING between delivery unit and fuel tank | * |
| 6 | Cap bolt, propeller shaft to transfer case (model 167) | * |
| As required | Cap bolt, propeller shaft to rear axle (model 167) | * |
| As required | Cap bolt, flex disk to rear propeller shaft (model 167) | * |
| 1 | Bolt and washer assembly, rear axle carrier to rear frame floor assembly (model 167) | * |
| 3 | MOUNTING PLATE PARTS KIT propeller shaft to transmission (model 463) | * |
| 3 | MOUNTING PLATE PARTS KIT propeller shaft to rear axle (model 463) | * |
* The replacement parts must be determined according to the equipment variant for the vehicle identification number via the parts process in the Xentry Portal.
Small parts such as screws, lock nuts, sealing rings, cable ties, fluids, sealant, etc. are not listed in the parts list. The required small parts are taken into account in the budgeting.
October 27, 2023
2023070012
Replace Fuel Pump Delivery Module – Wave 2
This is to notify you of the Recall Campaign Launch to replace the fuel pump delivery module on 82,654 Model Year (“MY”) 2021-2023 C-Class,
E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles. The recall campaign will be visible on the www.NHTSA.gov website and may generate questions from customers. Vehicles for Wave 1 were flagged in VMI as “OPEN” on September 15, 2023. An additional 29,640 vehicles for Wave 2 will be flagged as “OPEN” on October 27, 2023.
Issue
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles, the fuel pump impeller might not meet current specifications in regard to material characteristics. As a consequence, the impeller might deform and then contact the fuel pump housing and result in mechanical resistance on the impeller. In some instances, this could cause the fuel pump to stop operating. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury. Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice a roughly running engine.
What We’re Doing
MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will replace the fuel pump delivery module on the affected vehicles.
Parts
The remedy is available and can be performed.
Given this notice, it is a violation of Federal law for a dealer to sell or lease any new vehicles in dealer inventory covered by this notification until the vehicle has been repaired. Once the remedy is available, the vehicles will be flagged as “OPEN” and Work Instructions will be available in NetStar VMI and Xentry Portal. Once the repair is complete, the vehicle may be sold or leased.
Loaner and demonstrator vehicles may continue to be driven, but must not be retailed until repaired. As a matter of normal service process, please check for other repair measures which might be applicable to the vehicle(s).
Additionally, given this notice, it is a violation of Federal Law for car rental companies to rent new vehicles covered by this notification until the vehicle has been repaired.
Customer Notification Timeline
Customer letters for Wave 1 were mailed on September 29, 2023.
Customer letters for Wave 2 will be mailed on approximately November 10, 2023.
Replace Fuel Pump Delivery Module
Work Procedure
The fuel tank may only be filled up to a maximum of 20%.
This corresponds to two lines (A) on the fuel display (Figure 1).
- Replace fuel pump.
For basic data, see AR47.20-P-5710*.
* Select the WIS document according to the vehicle model. No quick test has to be performed.
Only model 206, 232: Note on disassembly of suction jet pump drive line quick connector.
The procedure step 1-3 should only be performed when the quick disconnect is not working (Figure 2).
Only for model 167
Contrary to the WIS document (AR88.60-P-2001ME – Remove/install tank filler recess), the tank filler recess must not be removed. Disconnecting the hose lines at the activated charcoal canister and the sealing bellows on the inside at the tank filler recess is sufficient.
Installation:
Delivery modules that are delivered without float-and-lever sensor must be modified. (Figure 3-5)
Figure 3 (release corresponding connector and disconnect the contacts)
Figure 4 (remove lines from routing clip)
Figure 5 (using a screwdriver, carefully push float-and-lever sensor housing away from module housing and at the same time push float-and-lever sensor housing upwards.)
- Assemble in reverse order.
Primary Parts Information
If one of the following part numbers (column 1) was determined via the vehicle identification number in the parts process, the delivery module with the item number (column 2) should be ordered and installed!
If, due to the availability of parts, the determined delivery module from column 2 is not available, the part number from column 1 can be ordered.
The difference between the delivery module column 1 (delivery module with float-and-lever sensor) and column 2 (delivery module without float-and-lever sensor) is the delivery condition if supplied with or without float-and-lever sensor. If a delivery module from column 2 is delivered, proceed as per the operation item “12-1759”.
If the required parts number determined in the XENTRY parts process is not listed in column 1, this must be ordered in accordance with the XENTRY parts process.
| Column 1 | Column 2 |
| Part number determined via the vehicle identification number in the parts process
* If the part number has 12 digits, the last two digits can be ignored and the part from column 2 must be ordered! | Order delivery module without float-and-lever sensor and install |
| A 167 470 03 94 /* | A 167 470 07 06 |
| A 167 470 45 00 /* | A 167 470 06 06 |
| A 167 470 69 00 /* | A 167 470 05 06 |
| A 205 470 27 02 /* | A 205 470 52 03 |
| A 205 470 49 00 /* | A 205 470 51 03 |
| A 205 470 85 01 /* | A 205 470 50 03 |
The fuel pump locking ring is not required to be replaced and will not be covered under warranty.
| Qty. | Part Name | Part Number |
| 1 | Delivery unit in right fuel tank | * |
| 1 | O-RING between delivery unit and fuel tank | * |
| 6 | Cap bolt, propeller shaft to transfer case (model 167) | * |
| As required | Cap bolt, propeller shaft to rear axle (model 167) | * |
| As required | Cap bolt, flex disk to rear propeller shaft (model 167) | * |
| 1 | Bolt and washer assembly, rear axle carrier to rear frame floor assembly (model 167) | * |
| 3 | MOUNTING PLATE PARTS KIT propeller shaft to transmission (model 463) | * |
| 3 | MOUNTING PLATE PARTS KIT propeller shaft to rear axle (model 463) | * |
- The replacement parts must be determined according to the equipment variant for the vehicle identification number via the parts process in the Xentry Portal.
Small parts such as screws, lock nuts, sealing rings, cable ties, fluids, sealant, etc. are not listed in the parts list. The required small parts are taken into account in the budgeting.
November 17, 2023
2023070012
Replace Fuel Pump Delivery Module – Wave 3
This is to notify you of the Recall Campaign Launch to replace the fuel pump delivery module on 113,429 Model Year (“MY”) 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles. The recall campaign will be visible on the www.NHTSA.gov website and may generate questions from customers. Vehicles for Wave 1 were flagged in VMI as “OPEN” on September 15, 2023. An additional 29,640 vehicles for Wave 2 were flagged as “OPEN” on October 27, 2023. An additional 30,775 vehicles for Wave 3 will be flagged as “OPEN” on November 17, 2023.
Issue
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles, the fuel pump impeller might not meet current specifications in regard to material characteristics. As a consequence, the impeller might deform and then contact the fuel pump housing and result in mechanical resistance on the impeller. In some instances, this could cause the fuel pump to stop operating. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury. Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice a roughly running engine.
What We’re Doing
MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will replace the fuel pump delivery module on the affected vehicles.
Parts
The remedy is available and can be performed.
Given this notice, it is a violation of Federal law for a dealer to sell or lease any new vehicles in dealer inventory covered by this notification until the vehicle has been repaired. Once the remedy is available, the vehicles will be flagged as “OPEN” and Work Instructions will be available in NetStar VMI and Xentry Portal. Once the repair is complete, the vehicle may be sold or leased.
Loaner and demonstrator vehicles may continue to be driven, but must not be retailed until repaired. As a matter of normal service process, please check for other repair measures which might be applicable to the vehicle(s).
Additionally, given this notice, it is a violation of Federal Law for car rental companies to rent new vehicles covered by this notification until the vehicle has been repaired.
Customer Notification Timeline
Customer letters for Wave 2 were mailed on November 10, 2023.
Customer letters for Wave 3 will be mailed on approximately December 1, 2023.
Replace Fuel Pump Delivery Module
Work Procedure
The fuel tank may only be filled up to a maximum of 20%.
This corresponds to two lines (A) on the fuel display (Figure 1).
- Replace fuel pump.
For basic data, see AR47.20-P-5710*.
* Select the WIS document according to the vehicle model. No quick test has to be performed.
Only model 206, 232: Note on disassembly of suction jet pump drive line quick connector.
The procedure step 1-3 should only be performed when the quick disconnect is not working (Figure 2).
Only for model 167
Contrary to the WIS document (AR88.60-P-2001ME – Remove/install tank filler recess), the tank filler recess must not be removed. Disconnecting the hose lines at the activated charcoal canister and the sealing bellows on the inside at the tank filler recess is sufficient.
Installation:
Delivery modules that are delivered without float-and-lever sensor must be modified. (Figure 3-5)
Figure 3 (release corresponding connector and disconnect the contacts)
Figure 4 (remove lines from routing clip)
Figure 5 (using a screwdriver, carefully push float-and-lever sensor housing away from module housing and at the same time push float-and-lever sensor housing upwards.)
- Assemble in reverse order.
Primary Parts Information
If one of the following part numbers (column 1) was determined via the vehicle identification number in the parts process, the delivery module with the item number (column 2) should be ordered and installed!
If, due to the availability of parts, the determined delivery module from column 2 is not available, the part number from column 1 can be ordered.
The difference between the delivery module column 1 (delivery module with float-and-lever sensor) and column 2 (delivery module without float-and-lever sensor) is the delivery condition if supplied with or without float-and-lever sensor. If a delivery module from column 2 is delivered, proceed as per the operation item “12-1759”.
If the required parts number determined in the XENTRY parts process is not listed in column 1, this must be ordered in accordance with the XENTRY parts process.
| Column 1 | Column 2 |
| Part number determined via the vehicle identification number in the parts process
* If the part number has 12 digits, the last two digits can be ignored and the part from column 2 must be ordered! | Order delivery module without float-and-lever sensor and install |
| A 167 470 03 94 /* | A 167 470 07 06 |
| A 167 470 45 00 /* | A 167 470 06 06 |
| A 167 470 69 00 /* | A 167 470 05 06 |
| A 205 470 27 02 /* | A 205 470 52 03 |
| A 205 470 49 00 /* | A 205 470 51 03 |
| A 205 470 85 01 /* | A 205 470 50 03 |
The fuel pump locking ring is not required to be replaced and will not be covered under warranty.
| Qty. | Part Name | Part Number |
| 1 | Delivery unit in right fuel tank | * |
| 1 | O-RING between delivery unit and fuel tank | * |
| 6 | Cap bolt, propeller shaft to transfer case (model 167) | * |
| As required | Cap bolt, propeller shaft to rear axle (model 167) | * |
| As required | Cap bolt, flex disk to rear propeller shaft (model 167) | * |
| 1 | Bolt and washer assembly, rear axle carrier to rear frame floor assembly (model 167) | * |
| 3 | MOUNTING PLATE PARTS KIT propeller shaft to transmission (model 463) | * |
| 3 | MOUNTING PLATE PARTS KIT propeller shaft to rear axle (model 463) | * |
*The replacement parts must be determined according to the equipment variant for the vehicle identification number via the parts process in the Xentry Portal.
Small parts such as screws, lock nuts, sealing rings, cable ties, fluids, sealant, etc. are not listed in the parts list. The required small parts are taken into account in the budgeting.
December 29, 2023
2023070012
Replace Fuel Pump Delivery Module – Wave 4
This is to notify you of the Recall Campaign Launch to replace the fuel pump delivery module on 138,993 Model Year (“MY”) 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles. The recall campaign will be visible on the www.NHTSA.gov website and may generate questions from customers. Vehicles for Wave 1 were flagged in VMI as “OPEN” on September 15, 2023. An additional 29,640 vehicles for Wave 2 were flagged as “OPEN” on October 27, 2023. An additional 30,775 vehicles for Wave 3 were flagged as “OPEN” on November 17, 2023. An additional 25,564 vehicles for Wave 4 will be flagged as “OPEN” on December 29, 2023.
Issue
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles, the fuel pump impeller might not meet current specifications in regard to material characteristics. As a consequence, the impeller might deform and then contact the fuel pump housing and result in mechanical resistance on the impeller. In some instances, this could cause the fuel pump to stop operating. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury. Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice a roughly running engine.
What We’re Doing
MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will replace the fuel pump delivery module on the affected vehicles.
Parts
The remedy is available and can be performed.
Given this notice, it is a violation of Federal law for a dealer to sell or lease any new vehicles in dealer inventory covered by this notification until the vehicle has been repaired. Once the remedy is available, the vehicles will be flagged as “OPEN” and Work Instructions will be available in NetStar VMI and Xentry Portal. Once the repair is complete, the vehicle may be sold or leased.
Loaner and demonstrator vehicles may continue to be driven, but must not be retailed until repaired. As a matter of normal service process, please check for other repair measures which might be applicable to the vehicle(s).
Additionally, given this notice, it is a violation of Federal Law for car rental companies to rent new vehicles covered by this notification until the vehicle has been repaired.
Customer Notification Timeline
Customer letters for Wave 3 were mailed on December 1, 2023.
Customer letters for Wave 4 will be mailed on approximately January 12, 2023.
Replace Fuel Pump Delivery Module
Work Procedure
The fuel tank may only be filled up to a maximum of 20%.
This corresponds to two lines (A) on the fuel display (Figure 1).
- Replace fuel pump.
For basic data, see AR47.20-P-5710*.
* Select the WIS document according to the vehicle model.
No quick test has to be performed.
Only model 206, 232: Note on disassembly of suction jet pump drive line quick connector.
The procedure step 1-3 should only be performed when the quick disconnect is not working (Figure 2).
Only for model 167
Contrary to the WIS document (AR88.60-P-2001ME – Remove/install tank filler recess), the tank filler recess must not be removed. Disconnecting the hose lines at the activated charcoal canister and the sealing bellows on the inside at the tank filler recess is sufficient.
Installation:
Delivery modules that are delivered without float-and-lever sensor must be modified. (Figure 3-5)
Figure 3 (release corresponding connector and disconnect the contacts)
Figure 4 (remove lines from routing clip)
Figure 5 (using a screwdriver, carefully push float-and-lever sensor housing away from module housing and at the same time push float-and-lever sensor housing upwards.)
- Assemble in reverse order.
Primary Parts Information
If one of the following part numbers (column 1) was determined via the vehicle identification number in the parts process, the delivery module with the item number (column 2) should be ordered and installed!
If, due to the availability of parts, the determined delivery module from column 2 is not available, the part number from column 1 can be ordered.
The difference between the delivery module column 1 (delivery module with float-and-lever sensor) and column 2 (delivery module without float-and-lever sensor) is the delivery condition if supplied with or without float-and-lever sensor. If a delivery module from column 2 is delivered, proceed as per the operation item “12-1759”.
If the required parts number determined in the XENTRY parts process is not listed in column 1, this must be ordered in accordance with the XENTRY parts process.
| Column 1 | Column 2 |
| Part number determined via the vehicle identification number in the parts process
* If the part number has 12 digits, the last two digits can be ignored and the part from column 2 must be ordered! | Order delivery module without float-and-lever sensor and install |
| A 167 470 03 94 /* | A 167 470 07 06 |
| A 167 470 45 00 /* | A 167 470 06 06 |
| A 167 470 69 00 /* | A 167 470 05 06 |
| A 205 470 27 02 /* | A 205 470 52 03 |
| A 205 470 49 00 /* | A 205 470 51 03 |
| A 205 470 85 01 /* | A 205 470 50 03 |
The fuel pump locking ring is not required to be replaced and will not be covered under warranty.
| Qty. | Part Name | Part Number |
| 1 | Delivery unit in right fuel tank | * |
| 1 | O-RING between delivery unit and fuel tank | * |
| 6 | Cap bolt, propeller shaft to transfer case (model 167) | * |
| As required | Cap bolt, propeller shaft to rear axle (model 167) | * |
| As required | Cap bolt, flex disk to rear propeller shaft (model 167) | * |
| 1 | Bolt and washer assembly, rear axle carrier to rear frame floor assembly (model 167) | * |
| 3 | MOUNTING PLATE PARTS KIT propeller shaft to transmission (model 463) | * |
| 3 | MOUNTING PLATE PARTS KIT propeller shaft to rear axle (model 463) | * |
*The replacement parts must be determined according to the equipment variant for the vehicle identification number via the parts process in the Xentry Portal.
Small parts such as screws, lock nuts, sealing rings, cable ties, fluids, sealant, etc. are not listed in the parts list. The required small parts are taken into account in the budgeting.
Chronology Supplement for ODI 23V445
In the beginning of June 2022, MBAG launched initial investigations based on individual field reports from outside the US alleging inconsistent power delivery. MBAG hypothesized that, the function of the fuel pump might have been impaired without having any initial indications in regards to common influencing factors on the field cases in this relation. In July 2022, MBAG began retrieving fuel pumps from affected vehicles in the field and analyzing them in coordination with the supplier. Over the next several months, MBAG conducted analyses of the material together with the supplier, as well as the production processes at the supplier and its sub-suppliers. Through the end of the year, MBAG conducted numerous and varied tests in coordination with its tier one supplier, including fuel swelling behavior, structural damage and notched impact resistance tests. In December 2022, these intensive analyses and tests identified an irregularity in individual raw material batches used for the suspect fuel pump impellers, sourced from a sub-supplier. Based on that determination, in January 2023, MBAG’s supplier of the suspect fuel pump started investigations to identify the potentially affected vehicle population by tracking the material flow within the multi-supplier chain from the raw material sub-supplier up to the fuel pump manufacturer. At the same time, the fuel pump supplier implemented several changes in its production process, including a replacement of the raw material supplier, changing the injection molding process at the injection molding supplier and implementing more quality controls within the supplier chain. Through May 2023, MBAG and its fuel pump supplier conducted further testing and analyses to identify potential influencing factors and determine potential consequences of material and process anomalies at different steps of the production process. In May 2023, MBAG’s fuel pump supplier determined the scope of potentially affected fuel pumps, which was then used to identify the potentially affected vehicle population.
On June 16, 2023, MBAG determined that a potential safety risk cannot be ruled out and decided to conduct a recall.
MBAG is currently aware of 2,031 warranty claims/field reports/service reports received from 30.08.2021 to 23.05.2023 in the USA. MBAG is not aware of any claims of injury, crashes or death worldwide due to this malfunction.
In July 2023, during the course of its worldwide product monitoring, MBAG identified additional field reports alleging inconsistent power delivery. MBAG’s initial review of these field reports determined that some of the vehicles involved in these reports were outside the recall population determined earlier in May 2023.
Based on a detailed analysis of field data, MBAG hypothesized that the occurrences described in these new field reports might be related to a supplier error similar to that identified in recall NHTSA # 23V-445. During October and November 2023, MBAG and its supplier conducted additional investigations to identify a potential root cause for the reported incidents, including retrieving damaged parts from vehicles for examination and analysis.
Based on these analyses, MBAG determined that additional batches of raw material used by its fuel pump supplier may also have deviated from specifications, and thus resulted in similar consequences as described before. As a result, the number of potentially affected vehicles is larger than the population initially identified by MBAG’s fuel pump supplier. On December 8, 2023, MBAG determined that a potential safety risk for the identified additional vehicles cannot be ruled out. Therefore, the company decided to expand the vehicle population for this recall to include additional vehicles whose fuel pump impellers were manufactured using batches of raw materials that were identified as containing this defect.
MBAG is aware of 1,901 related warranty claims or field reports received between May 14, 2022 to November 15, 2023. These claims and reports are in addition to the 2,031 claims and reports that MBAG received between August 30, 2021 and May 5, 2023 (identified in the Report submitted by MBAG on June 27, 2023). MBAG is not aware of any claims or reports of injury, fatality, or property damage worldwide related to this defect.
76 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| MERCEDES-BENZ | AMG C43 | 2021-2023 |
| MERCEDES-BENZ | AMG C63 | 2021 |
| MERCEDES-BENZ | AMG C63 S | 2021-2023 |
| MERCEDES-BENZ | AMG E53 | 2022-2023 |
| MERCEDES-BENZ | AMG E63 S | 2023 |
| MERCEDES-BENZ | AMG G63 | 2021-2023 |
| MERCEDES-BENZ | AMG GLC43 | 2021-2023 |
| MERCEDES-BENZ | AMG GLC63 | 2021 |
| MERCEDES-BENZ | AMG GLC63 S | 2021 |
| MERCEDES-BENZ | AMG GLE53 | 2021-2022 |
| MERCEDES-BENZ | AMG GLE63 | 2022 |
| MERCEDES-BENZ | AMG GLE63 S | 2021-2023 |
| MERCEDES-BENZ | AMG GLS63 | 2021-2023 |
| MERCEDES-BENZ | AMG GT43 | 2022-2023 |
| MERCEDES-BENZ | AMG GT53 | 2022-2023 |
| MERCEDES-BENZ | AMG GT63 | 2023 |
| MERCEDES-BENZ | AMG GT63 S | 2023 |
| MERCEDES-BENZ | AMG SL43 | 2023 |
| MERCEDES-BENZ | AMG SL55 | 2022-2023 |
| MERCEDES-BENZ | AMG SL63 | 2022-2023 |
| MERCEDES-BENZ | C300 | 2021-2023 |
| MERCEDES-BENZ | CLS450 | 2022-2023 |
| MERCEDES-BENZ | E350 | 2021-2023 |
| MERCEDES-BENZ | E450 | 2022-2023 |
| MERCEDES-BENZ | G550 | 2021-2022 |
| MERCEDES-BENZ | GLC300 | 2021-2023 |
| MERCEDES-BENZ | GLE450 | 2021-2022 |
| MERCEDES-BENZ | GLE580 | 2021 |
| MERCEDES-BENZ | GLS450 | 2021-2023 |
| MERCEDES-BENZ | GLS580 | 2021-2023 |
| MERCEDES-BENZ | S500 | 2022-2023 |
| MERCEDES-BENZ | S580 | 2021-2023 |
| MERCEDES-BENZ | S580E | 2023 |
| MERCEDES-MAYBACH | GLS600 | 2021-2023 |
| MERCEDES-MAYBACH | S580 | 2021-2023 |
| MERCEDES-MAYBACH | S680 | 2022-2023 |
31 Associated Documents
Recall 573 Report – June 27, 2023
RCLRPT-23V445-5265.PDF 234.453KB
Chronology Report
RMISC-23V445-7881.pdf 79.558KB
Recall 573 Report – June 28, 2023
RCLRPT-23V445-5736.PDF 233.226KB
Vehicle Class Information
RMISC-23V445-3999.pdf 158.211KB
Recall Acknowledgement
RCAK-23V445-2983.pdf 645.761KB
Defect Notice 573 Report
RCLRPT-23V445-9258.PDF 234.637KB
Manufacturer Notices(to Dealers,etc)
RCMN-23V445-5627.pdf 168.321KB
Recall 573 Report – August 18, 2023
RCLRPT-23V445-2810.PDF 233.22KB
ISSUED Interim Owner Notification Letter(Part 577)
RIONL-23V445-4908.pdf 131.596KB
Remedy Instructions and TSB
RCRIT-23V445-8091.pdf 400.008KB
Recall 573 Report – September 19, 2023
RCLRPT-23V445-7776.PDF 233.21KB
Manufacturer Notices(to Dealers,etc)
RCMN-23V445-5112.pdf 490.473KB
ISSUED Owner Notification Letter(Part 577) 9/29/2023
RCONL-23V445-7007.pdf 285.256KB
Manufacturer Notices(to Dealers,etc)
RCMN-23V445-0843.pdf 177.186KB
Recall Quarterly Report #1, 2023-3
RCLQRT-23V445-7526.PDF 211.29KB
ISSUED Owner Notification Letter(Part 577)
RCONL-23V445-4351.pdf 235.412KB
Remedy Instructions and TSB
RCRIT-23V445-0551.pdf 429.319KB
Manufacturer Notices(to Dealers,etc)
RCMN-23V445-9154.pdf 552.173KB
ISSUED Owner Notification Letter(Part 577)
RCONL-23V445-7068.pdf 285.542KB
Manufacturer Notices(to Dealers,etc)
RCMN-23V445-7990.pdf 699.181KB
Remedy Instructions and TSB
RCRIT-23V445-2564.pdf 547.793KB
ISSUED Owner Notification Letter(Part 577)
RCONL-23V445-6059.pdf 285.004KB
Manufacturer Notices(to Dealers,etc)
RCMN-23V445-9736.pdf 1401.484KB
Remedy Instructions and TSB
RCRIT-23V445-8682.pdf 1294.168KB
Recall 573 Report – December 29, 2023
RCLRPT-23V445-2868.PDF 233.506KB
Remedy Instructions and TSB
RCRIT-23V445-2467.pdf 429.629KB
Manufacturer Notices(to Dealers,etc)
RCMN-23V445-7246.pdf 540.442KB
ISSUED Owner Notification Letter(Part 577)
RCONL-23V445-3444.pdf 286.026KB
Recall Quarterly Report #2, 2023-4
RCLQRT-23V445-5794.PDF 211.398KB
Recall 573 Report-Amendment 7 – 01/19/2024
RCLRPT-23V445-2996.PDF 233.493KB
Chronology
RMISC-23V445-6834.pdf 84.833KB
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SEOCONTENT-START
Mercedes-Benz USA, LLC
Mercedes-Benz USA, LLC A Mercedes-Benz AG Company
One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600
Please see the following vehicle class information for NHTSA ID: 23V445 submitted 28JUN2023.
**************************************************************************************************************
This notice applies to your vehicle, VIN:
Replace Fuel Pump Delivery Module NHTSA Recall ID: 23V445
August 2023
Dear Mercedes-Benz Owner: This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act.
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles has decided that a defect which relates to motor vehicle safety exists in certain model year (“MY”) 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class vehicles. Our records indicate that your vehicle is included in the affected population.
What is the concern?
The fuel pump impeller might not meet current specifications regarding its material characteristics. As a consequence, the impeller might deform and contact the fuel pump housing, resulting in mechanical resistance on the impeller. This could cause the fuel pump to stop operating. As a result, the vehicle could lose drive power, which could increase the risk of crash or injury. Before the fuel pump is switched off, the
� driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice a roughly running engine. Unfortunately, the remedy is not yet available. When the replacement fuel pump delivery module becomes available, we will send you another letter informing you to schedule an appointment with an authorized Mercedes-Benz dealer to have this vehicle repair provided at no cost to you.
We apologize for any inconvenience this may have caused and look forward to taking care of this important safety issue immediately.
Sincerely,
Mercedes-Benz USA
Mercedes-Benz USA, LLC
A Mercedes-Benz Group AG Company ‘
One Mercedes-Benz Drive Sandy Springs, GA 30328 Phone: (800) 367-6372 What if I no longer own or drive the vehicle or would like to update my contact information? In the event you need to update your contact information or have updates concerning the vehicle, please visit mbusa.com/recalls (or scan the QR Code to the left) and submit your VIN using the VIN recall lookup tool and fill out the “Recall Contact Information” section on the website. If possible,
• please provide any contact information of the current owner/driver so we can contact them. Additional Information for Owners:
A VIN-based recall lookup tool is available at mbusa.com/recalls, which can be used to check whether a vehicle has been subject to a safety recall, or had the remedy performed. Should you have any questions or encounter any difficulty regarding this Recall Campaign, please contact an authorized Mercedes-Benz dealer. Should an authorized Mercedes-Benz dealer be unable to address your concerns please contact us at 1-(800) FOR MERCEDES (1-800-367-6372). We are always happy to hear from you. If this is a leased vehicle and the lessor and registered owner receive this notice, please forward this information by first class mail to the lessee within 10 business days to comply with Federal Regulations. If an authorized Mercedes-Benz dealer for any reason is unable to remedy the situation without charge, or within a reasonable amount of time, Pursuant to law 49 U.S.C. Chapter 301, you may submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, S.E., Washington, D.C. 20590 or call the toll free Auto Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153); or go to https://www.safercar.gov.
Mercedes-Benz USA, LLC
A Mercedes-Benz Group AG Company ‘
One Mercedes-Benz Drive Sandy Springs, GA 30328 Phone: (800) 367-6372
**************************************************************************************************************
This notice applies to your vehicle, VIN:
Replace Fuel Pump Delivery Module
MBUSA ID: 2023070012, NHTSA Recall ID: 23V445 November, 2023
• The remedy is now available for your vehicle.
• Schedule an appointment with your authorized Mercedes-Benz dealer as soon as possible.
• This repair will be provided FREE of charge. Dear Mercedes-Benz Owner: This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act.
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has decided that a defect which relates to motor vehicle safety exists in certain model year (“MY”) 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class vehicles. Our records indicate that your vehicle is included in the affected population.
What is the issue?
The fuel pump impeller might not meet current specifications in regards to its material characteristics. As a consequence, the impeller might deform and therefore contact the fuel pump housing and result in mechanical resistance on the impeller.This could cause the fuel pump to stop operating. As a result, the vehicle could lose drive power, which could increase the risk of crash or injury. Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice a roughly running engine. What will your Mercedes-Benz Dealer do?
An authorized Mercedes-Benz dealer will replace the fuel pump delivery module. This vehicle repair will be provided at no cost to you. While the repair time can be between 1 to 6 hours, your dealer can provide you with a better estimate of the overall time for this visit. As a matter of normal service process, an authorized Mercedes-Benz dealer will also check for other repair measures that might be applicable to your vehicle, which may increase the required working time. You will not be charged for other services or repairs unless so requested. Steps to take.
• Find your nearest authorized Mercedes-Benz dealer at mbusa.com/recall to schedule your recall repair.
• Please mention you are scheduling an appointment for Mercedes-Benz Recall Campaign 2023070012.
• You may be asked for your VIN, which for your convenience is located at the top of this letter. We apologize for any inconvenience this may have caused and look forward to taking care of this important safety recall immediately.
Sincerely,
Mercedes-Benz USA What if I no longer own or drive the vehicle or would like to update my contact information?
In the event you need to update your contact information or have updates concerning the vehicle, please visit mbusa.com/recall (or scan the QR Code to the left) and submit your VIN using the VIN recall lookup tool and fill out the “Recall Contact Information” section on the website. If possible,
• please provide any contact information of the current owner/driver so we can contact them. Additional Information for Owners:
A VIN-based recall lookup tool is available at mbusa.com/recall, which can be used to check whether a vehicle has been subject to a safety recall, or had the remedy performed. Should you have any questions or encounter any difficulty regarding this Recall Campaign, please contact an authorized Mercedes-Benz dealer. Should an authorized Mercedes-Benz dealer be unable to address your concerns please contact us at 1-(800) FOR MERCEDES ( 1-800-367-6372). We are always happy to hear from you. If this is a leased vehicle and the lessor and registered owner receive this notice, please forward this information by first class mail to the lessee within 10 business days to comply with Federal Regulations. If an authorized Mercedes-Benz dealer for any reason is unable to remedy the situation without charge, or within a reasonable amount of time, Pursuant to law 49 U.S.C. Chapter 301, you may submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, S.E., Washington, D.C. 20590 or call the toll
free Auto Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153); or go to https://www.safercar.gov.
**************************************************************************************************************
This notice applies to your vehicle, VIN:
Replace Fuel Pump Delivery Module
MBUSA ID: 2023070012, NHTSA Recall ID: 23V445 September, 2023
• The remedy is now available for your vehicle.
• Schedule an appointment with your authorized Mercedes-Benz dealer as soon as possible.
• Thisrepair will be provided FREE of charge. Dear Mercedes-Benz Owner: This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act.
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has decided that a defect which relates to motor vehicle safety exists in certain model year (“MY”) 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class vehicles. Our records indicate that your vehicle is included in the affected population.
What is the issue?
The fuel pump impeller might not meet current specifications in regards to its material characteristics. As a consequence, the impeller might deform and therefore contact the fuel pump housing and result in mechanical resistance on the impeller.This could cause the fuel pump to stop operating. As a result, the vehicle could lose drive power, which could increase the risk of crash or injury. Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice a roughly running engine. What will your Mercedes-Benz Dealer do?
An authorized Mercedes-Benz dealer will replace the fuel pump delivery module. This vehicle repair will be provided at no cost to you. While the repair time can be between l to 6 hours, your dealer can provide you with a better estimate of the overall time for this visit. As a matter of normal service process, an authorized Mercedes-Benz dealer will also check for other repair measures that might be applicable to your vehicle, which may increase the required working time. You will not be charged for other services or repairs unless so requested. Steps to take.
• Find your nearest authorized Mercedes-Benz dealer at mbusa.com/recall to schedule your recall repair.
• Please mention you are scheduling an appointment for Mercedes-Benz Recall Campaign 2023070012.
• You may be asked for your VIN, which for your convenience is located at the top of this letter. We apologize for any inconvenience this may have caused and look forward to taking care of this important safety recall immediately.
Sincerely,
Mercedes-Benz USA What if I no longer own or drive the vehicle or would like to update my contact information?
In the event you need to update your contact information or have updates concerning the vehicle, please visit mbusa.com/recalls (or scan the QR Code to the left) and submit your VIN using the VIN recall lookup tool and fill out the “Recall Contact Information” section on the website. If possible,
• please provide any contact information of the current owner/driver so we can contact them. Additional Information for Owners:
A VIN-based recall lookup tool is available at mbusa.com/recalls, which can be used to check whether a vehicle has been subject to a safety recall, or had the remedy performed. Should you have any questions or encounter any difficulty regarding this Recall Campaign, please contact an authorized Mercedes-Benz dealer. Should an authorized Mercedes-Benz dealer be unable to address your concerns please contact us at 1-(800) FOR MERCEDES ( 1-800-367-6372). We are always happy to hear from you. If this is a leased vehicle and the lessor and registered owner receive this notice, please forward this information by first class mail to the lessee within 10 business days to comply with Federal Regulations. If an authorized Mercedes-Benz dealer for any reason is unable to remedy the situation without charge, or within a reasonable amount of time, Pursuant to law 49 U.S.C. Chapter 301, you may submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, S.E., Washington, D.C. 20590 or call the toll
free Auto Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153); or go to https://www.safercar.gov.
**************************************************************************************************************
This notice applies to your vehicle, VIN:
Replace Fuel Pump Delivery Module
MBUSA ID: 2023070012, NHTSA Recall ID: 23V445 December, 2023
• The remedy is now available for your vehicle.
• Schedule an appointment with your authorized Mercedes-Benz dealer as soon as possible.
• Thisrepair will be provided FREE of charge. Dear Mercedes-Benz Owner: This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act.
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has decided that a defect which relates to motor vehicle safety exists in certain model year (“MY”) 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class vehicles. Our records indicate that your vehicle is included in the affected population.
What is the issue?
The fuel pump impeller might not meet current specifications in regards to its material characteristics. As a consequence, the impeller might deform and therefore contact the fuel pump housing and result in mechanical resistance on the impeller.This could cause the fuel pump to stop operating. As a result, the vehicle could lose drive power, which could increase the risk of crash or injury. Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice a roughly running engine. What will your Mercedes-Benz Dealer do?
An authorized Mercedes-Benz dealer will replace the fuel pump delivery module. This vehicle repair will be provided at no cost to you. While the repair time can be between l to 6 hours, your dealer can provide you with a better estimate of the overall time for this visit. As a matter of normal service process, an authorized Mercedes-Benz dealer will also check for other repair measures that might be applicable to your vehicle, which may increase the required working time. You will not be charged for other services or repairs unless so requested. Steps to take.
• Find your nearest authorized Mercedes-Benz dealer at mbusa.com/recall to schedule your recall repair.
• Please mention you are scheduling an appointment for Mercedes-Benz Recall Campaign 2023070012.
• You may be asked for your VIN, which for your convenience is located at the top of this letter. We apologize for any inconvenience this may have caused and look forward to taking care of this important safety recall immediately.
Sincerely,
Mercedes-Benz USA What if I no longer own or drive the vehicle or would like to update my contact information?
In the event you need to update your contact information or have updates concerning the vehicle, please visit mbusa.com/recall (or scan the QR Code to the left) and submit your VIN using the VIN recall lookup tool and fill outthe”Recall Contact Information” section on the website. If possible,
• please provide any contact information of the current owner/driver so we can contact them. Additional Information for Owners:
A VIN-based recall lookup tool is available at mbusa.com/recall, which can be used to check whether a vehicle has been subject to a safety recall, or had the remedy performed. Should you have any questions or encounter any difficulty regarding this Recall Campaign, please contact an authorized Mercedes-Benz dealer. Should an authorized Mercedes-Benz dealer be unable to address your concerns please contact us at 1-(800) FOR MERCEDES ( 1-800-367-6372). We are always happy to hear from you. If this is a leased vehicle and the lessor and registered owner receive this notice, please forward this information by first class mail to the lessee within 10 business days to comply with Federal Regulations. If an authorized Mercedes-Benz dealer for any reason is unable to remedy the situation without charge, or within a reasonable amount of time, Pursuant to law 49 U.S.C. Chapter 301, you may submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, S.E., Washington, D.C. 20590 or call the toll
free Auto Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153); or go to https://www.safercar.gov.
**************************************************************************************************************
This notice applies to your vehicle, VIN:
Replace Fuel Pump Delivery Module MBUSA ID: 2023070012, NHTSA Recall ID: 23V445
• The remedy is now available for your vehicle.
• Schedule an appointment with your authorized Mercedes-Benz dealer as soon as possible.
October, 2023 • This repair will be provided FREE of charge,
Dear Mercedes-Benz Owner: This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act.
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has decided that a defect which relates to motor vehicle safety exists in certain model year (“MY”) 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class vehicles. Our records indicate that your vehicle is included in the affected population.
What is the issue?
The fuel pump impeller might not meet current specifications in regards to its material characteristics. As a consequence, the impeller might deform and therefore contact the fuel pump housing and result in � mechanical resistance on the impeller.This could cause the fuel pump to stop operating. As a result, the vehicle could lose drive power, which could increase the risk of crash or injury. Before the fuel pump is
switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice a roughly running engine.
What will your Mercedes-Benz Dealer do?
An authorized Mercedes-Benz dealer will replace the fuel pump delivery module. This vehicle repair will be provided at no cost to you. While the repair time can be between 1 to 6 hours, your dealer can provide you with a better estimate of the overall time for this visit. As a matter of normal service process, an authorized Mercedes-Benz dealer will also check for other repair measures that might be applicable to your vehicle, which may increase the required working time. You will not be charged for other services or repairs unless so requested. Steps to take.
• Find your nearest authorized Mercedes-Benz dealer at mbusa.com/recall to schedule your recall repair.
• Please mention you are scheduling an appointment for Mercedes-Benz Recall Campaign 2023070012.
• You may be asked for your VIN, which for your convenience is located at the top of this letter. We apologize for any inconvenience this may have caused and look forward to taking care of this important safety recall immediately.
Sincerely,
Mercedes-Benz USA
**************************************************************************************************************
Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company
One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600
News Channel Update |
Vehicle Compliance & Analysis
IMPORTANT RECALL CAMPAIGN UPDATE
Please see the attached documents related to the campaign listed above.
Please note that all customer inquiries should be directed to the Customer Assistance Center at 1-800-FOR-MERCEDES.
Sincerely,
Gregory Gunther
Senior Manager, Vehicle Compliance & Analysis
TO: Mercedes-Benz Dealer Principals, General Managers,
Sales Managers, Service Managers, Parts Managers
FROM: Gregory Gunther, Senior Manager, Vehicle Compliance and Analysis, Engineering Services
RE: Recall Campaign Launch Notification
Replace Fuel Pump Delivery Module – Wave 4 MY21-23 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238,
257, 223, 232, 290, 253, 167 and 463 platforms)
DATE: December 29, 2023 News Channel Update | Vehicle Compliance & Analysis
Recall Campaign Launch Notification December 29, 2023
Campaign No. : NHTSA ID : Campaign Desc. : Replace Fuel Pump Delivery 2023070012 23V445 23P4790205 Module – Wave 4 This is to notify you of the Recall Campaign Launch to replace the fuel pump delivery module on 138,993 Model Year (“MY”) 2021-2023 C- Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles. The recall campaign will be visible on the www.NHTSA.gov website and may generate questions from customers. Vehicles for Wave 1 were flagged in VMI as “OPEN” on September 15, 2023. An additional 29,640 vehicles for Wave 2 were flagged as “OPEN” on October 27, 2023. An additional 30,775 vehicles for Wave 3 were flagged as “OPEN” on November 17, 2023. An additional 25,564 vehicles for Wave 4 will be flagged as “OPEN” on December 29, 2023.
Background
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles, the fuel pump impeller might not meet current specifications in regard to material characteristics. As a Issue What We’re Doing
Parts consequence, the impeller might deform and then contact the fuel pump housing and result in mechanical resistance on the impeller. In some instances, this could cause the fuel pump to stop operating. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury. Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice a roughly running engine.
MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will replace the fuel pump delivery module on the affected vehicles.
The remedy is available and can be performed.
Vehicles Affected Vehicle Model Year(s) Vehicle Model Total Recall Population
Total Vehicles in Dealer Inventory 2021-2023
C-Class, CLS, E-Class, G-Class, GLC, GLE, GLS, GT, S-Class, and SL
Vehicle Populations
53,014 (Wave 1) + 29,640 (Wave 2) + 30,775 (Wave 3) + 25,564 (Wave 4)
679 Given this notice, it is a violation of Federal law for a dealer to sell or lease any new vehicles in dealer inventory covered by this notification until the vehicle has been repaired. Once the remedy is available, the vehicles will be flagged as “OPEN” and Work Instructions will be available in NetStar VMI and Xentry Portal. Once the repair is complete, the vehicle may be sold or leased.
Loaner and demonstrator vehicles may continue to be driven, but must not be retailed until repaired. As a matter of normal service process, please check for other repair measures which might be applicable to the vehicle(s).
Additionally, given this notice, it is a violation of Federal Law for car rental companies to rent new vehicles covered by this notification until the vehicle has been repaired.
Next Steps/Notes
Customer letters for Wave 1 were mailed on September 29, 2023. Customer Notification Timeline AOMS/SOMS
Rental Fleet Partners Customer Reimbursement Customer letters for Wave 2 were mailed on November 10, 2023. Customer letters for Wave 3 were mailed on December 1, 2023.
Customer letters for Wave 4 will be mailed on approximately January 12, 2023.
AOMs – This recall may generate questions from your dealers. Please forward this notice to your dealers ASAP.
This recall may affect vehicles in your fleet. Please contact your respective MBUSA fleet representative for further information and next steps. For repairs, please contact your preferred MBUSA dealer.
Customer reimbursement is not being offered for this campaign. While we regret any inconvenience this may cause, MBUSA is determined to maintain a high level of vehicle quality and customer satisfaction. Please refer all customer inquiries to the Customer Assistance Center at 1-800-FOR-MERCEDES. Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company
One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600 2 Campaign No. 2023070012, September 2023
Revision A 10/27/2023 TO: ALL MERCEDES-BENZ CENTERS SUBJECT: Model Various Models
Model Year 2021-2023 Replace Fuel Pump Delivery Module Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles, the fuel pump impeller might not meet current specifications in regards to material characteristics. As a consequence, the impeller might deform and then contact the fuel pump housing and result in mechanical resistance on the impeller. In some instances, this could cause the fuel pump to stop operating. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury. Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice a roughly running engine. An authorized Mercedes-Benz dealer will replace the fuel pump delivery module on the affected vehicles. Prior to performing this Campaign:
• VMI must be checked before performing campaigns to verify that the campaign is required on a specific vehicle. Always check for any other open campaigns, and perform accordingly.
• Please review the entire Campaign bulletin and follow the repair procedure exactly as described. Approximately 138,993 vehicles are affected. Order No. P-RC-2023070012 2 Replace Fuel Pump Delivery Module Work Procedure The fuel tank may only be filled up to a maximum of 20%. This corresponds to two lines (A) on the fuel display (Figure 1). Figure 1(shown on model 205) P-RC-2023070012 3 1. Replace fuel pump.
For basic data, see AR47.20-P-5710*.
* Select the WIS document according to the vehicle model.
No quick test has to be performed.
Only model 206, 232: Note on disassembly of suction jet pump drive line quick connector.
The procedure step 1-3 should only be performed when the quick disconnect is not working (Figure 2). Figure 2 Only for model 167
Contrary to the WIS document (AR88.60-P-2001ME – Remove/install tank filler recess), the
tank filler recess must not be removed. Disconnecting the hose lines at the activated charcoal canister and the sealing bellows on the inside at the tank filler recess is sufficient. P-RC-2023070012 4 Installation: Delivery modules that are delivered without float-and-lever sensor must be modified. (Figure 3-5) Figure 3 (release corresponding connector and disconnect the contacts) Figure 4 (remove lines from routing clip) Figure 5 (using a screwdriver, carefully push float-and-lever
sensor housing away from module housing and at the same time push float-and-lever sensor housing upwards.) 2. Assemble in reverse order. P-RC-2023070012 5 Primary Parts Information If one of the following part numbers (column 1) was determined via the vehicle identification number in the parts process, the delivery module with the item number (column 2) should be ordered and installed!
If, due to the availability of parts, the determined delivery module from column 2 is not available, the part number from column 1 can be ordered.
The difference between the delivery module column 1 (delivery module with float-and-lever sensor) and column 2 (delivery module without float-and-lever sensor) is the delivery condition if supplied with or without float-and-lever sensor.
If a delivery module from column 2 is delivered, proceed as per the operation item “12-1759”.
If the required parts number determined in the XENTRY parts process is not listed in column 1, this must be ordered in accordance with the XENTRY parts process. Column 1
Part number determined via the vehicle identification number in the parts process
* If the part number has 12 digits, the last two digits can be ignored and the part from column 2 must be ordered!
A 167 470 03 94 /*
A 167 470 45 00 /*
A 167 470 69 00 /*
A 205 470 27 02 /*
A 205 470 49 00 /*
A 205 470 85 01 /* Column 2 Order delivery module without float-and-lever sensor and install A 167 470 07 06
A 167 470 06 06
A 167 470 05 06
A 205 470 52 03
A 205 470 51 03
A 205 470 50 03 The fuel pump locking ring is not required to be replaced and will not be covered under warranty. Qty.
1 Delivery unit in right fuel tank Part Name Part Number
* 1
6
As required As required
1 3
3 O-RING between delivery unit and fuel tank *
Cap bolt, propeller shaft to transfer case *
(model 167)
Cap bolt, propeller shaft to rear axle (model 167) *
Cap bolt, flex disk to rear propeller shaft (model 167) * Bolt and washer assembly, rear axle carrier to rear frame floor assembly * (model 167)
MOUNTING PLATE PARTS KIT propeller shaft to transmission * (model 463)
MOUNTING PLATE PARTS KIT propeller shaft to rear axle (model 463) * * The replacement parts must be determined according to the equipment variant for the vehicle identification number via the parts process in the Xentry Portal. Small parts such as screws, lock nuts, sealing rings, cable ties, fluids, sealant, etc. are not listed in the parts list. The required small parts are taken into account in the budgeting. P-RC-2023070012 6
P-RC-2023070012
Note: The following allowable labor operation should be used when submitting a warranty claim for this repair:
Warranty Information Damage Code Operation Number
Description
Labor Time (hrs.) 12-1754
Replace fuel delivery module 0.7 12-1754 12-1754 12-1754 12-1759
02-9736*
02-0725*
02-0727 Model 205, 206, 213, 232, 238, 253, 257, 290
Replace fuel delivery module Model 223
Replace fuel delivery module Model 167
Includes: Remove fuel tank Replace fuel pump (after check) Model 463
Includes: Remove fuel tank
Modify float-and-lever sensor at fuel delivery module (after check)
Only if fuel pump is delivered without float-and-lever sensor Operations: Empty, fill fuel tank
Operations: Put fuel tank and fuel in storage; observe accident prevention regulations
Operations: Extract fuel vapors (when working on the fuel system) 0.8 5.6 4.0 0.1
ZM ZM 0.1 * The operation items may only be invoiced if the fill level of the fuel tank is above 20%. Note: Always check Xentry Operation Time (XOT) for the current OP-Code times. Labor times are subject to change
cted in this document.
**************************************************************************************************************
Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600
News Channel Update
|
Vehicle Compliance & Analysis
IMPORTANT RECALL CAMPAIGN UPDATE
Please see the attached documents related to the campaign listed above.
Please note that all customer inquiries should be directed to the Customer Assistance Center at 1-800-FOR- MERCEDES.
Sincerely, Gregory Gunther
Senior Manager, Vehicle Compliance & Analysis
TO: Mercedes-Benz Dealer Principals, General Managers, Sales Managers, Service Managers, Parts Managers
RE: Recall Campaign Launch Notification Replace Fuel Pump Delivery Module – Wave 2
MY21-23 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238,
257, 223, 232, 290, 253, 167 and 463 platforms)
FROM: Gregory Gunther, Senior Manager, Vehicle Compliance and Analysis, Engineering Services DATE: October 27, 2023 News Channel Update | Vehicle Compliance & Analysis Recall Campaign Launch Notification
Campaign No. : NHTSA ID : Campaign Desc. : 2023070012 23V445 23P4790205 October 27, 2023
Replace Fuel Pump Delivery Module – Wave 2 This is to notify you of the Recall Campaign Launch to replace the fuel pump delivery module on 82,654 Model Year (“MY”) 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles. The recall campaign will be visible on the www.NHTSA.gov website and may generate questions from customers. Vehicles for Wave 1 were flagged in VMI as “OPEN” on September 15, 2023. An additional 29,640 vehicles for Wave 2 will be flagged as “OPEN” on October 27, 2023.
Background
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles, the fuel pump impeller might not meet current specifications in regard to material characteristics. As a Issue What We’re Doing Parts consequence, the impeller might deform and then contact the fuel pump housing and result in mechanical resistance on the impeller. In some instances, this could cause the fuel pump to stop operating. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury. Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice a roughly running engine.
MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will replace the fuel pump delivery module on the affected vehicles.
The remedy is available and can be performed.
Vehicles Affected Vehicle Model Year(s) Vehicle Model Total Recall Population
Total Vehicles in Dealer Inventory 2021-2023
C-Class, CLS, E-Class, G-Class, GLC, GLE, GLS, GT, S-Class, and SL
Vehicle Populations
53,014 (Wave 1) + 29,640 (Wave 2)
679 Given this notice, it is a violation of Federal law for a dealer to sell or lease any new vehicles in dealer inventory covered by this notification until the vehicle has been repaired. Once the remedy is available, the vehicles will be flagged as “OPEN” and Work Instructions will be available in NetStar VMI and Xentry Portal. Once the repair is complete, the vehicle may be sold or leased.
Loaner and demonstrator vehicles may continue to be driven, but must not be retailed until repaired. As a matter of normal service process, please check for other repair measures which might be applicable to the vehicle(s).
Additionally, given this notice, it is a violation of Federal Law for car rental companies to rent new vehicles covered by this notification until the vehicle has been repaired.
Next Steps/Notes
Customer Notification Timeline Customer letters for Wave 1 were mailed on September 29, 2023.
Customer letters for Wave 2 will be mailed on approximately November 10, 2023.
AOMS/SOMS AOMs – This recall may generate questions from your dealers. Please forward this notice to your dealers ASAP.
Rental Fleet Partners This recall may affect vehicles in your fleet. Please contact your respective MBUSA fleet
representative for further information and next steps. For repairs, please contact your preferred MBUSA dealer.
Customer Reimbursement Customer reimbursement is not being offered for this campaign.
While we regret any inconvenience this may cause, MBUSA is determined to maintain a high level of vehicle quality and customer satisfaction.
Please refer all customer inquiries to the Customer Assistance Center at 1-800-FOR-MERCEDES. Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600 2 Campaign No. 2023070012, September 2023 Revision A 10/27/2023 TO: ALL MERCEDES-BENZ CENTERS SUBJECT: Model Various Models
Model Year 2021-2023 Replace Fuel Pump Delivery Module Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles, the fuel pump impeller might not meet current specifications in regards to material characteristics. As a consequence, the impeller might deform and then contact the fuel pump housing and result in mechanical resistance on the impeller. In some instances, this could cause the fuel pump to stop operating. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury. Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice a roughly running engine. An authorized Mercedes-Benz dealer will replace the fuel pump delivery module on the affected vehicles. Prior to performing this Campaign:
• VMI must be checked before performing campaigns to verify that the campaign is required on a specific vehicle. Always check for any other open campaigns, and perform accordingly.
• Please review the entire Campaign bulletin and follow the repair procedure exactly as described. Approximately 82,654 vehicles are affected. Order No. P-RC-2023070012 2 Replace Fuel Pump Delivery Module Work Procedure The fuel tank may only be filled up to a maximum of 20%. This corresponds to two lines (A) on the fuel display (Figure 1). Figure 1(shown on model 205) P-RC-2023070012 3 1. Replace fuel pump.
For basic data, see AR47.20-P-5710*.
* Select the WIS document according to the vehicle model.
No quick test has to be performed.
Only model 206, 232: Note on disassembly of suction jet pump drive line quick connector.
The procedure step 1-3 should only be performed when the quick disconnect is not working (Figure 2). Figure 2 Only for model 167
Contrary to the WIS document (AR88.60-P-2001ME – Remove/install tank filler recess), the
tank filler recess must not be removed. Disconnecting the hose lines at the activated charcoal canister and the sealing bellows on the inside at the tank filler recess is sufficient. P-RC-2023070012 4 Installation: Delivery modules that are delivered without float-and-lever sensor must be modified. (Figure 3-5) Figure 3 (release corresponding connector and disconnect the contacts) Figure 4 (remove lines from routing clip) Figure 5 (using a screwdriver, carefully push float-and-lever
sensor housing away from module housing and at the same time push float-and-lever sensor housing upwards.) 2. Assemble in reverse order. P-RC-2023070012 5 Primary Parts Information If one of the following part numbers (column 1) was determined via the vehicle identification number in the parts process, the delivery module with the item number (column 2) should be ordered and installed!
If, due to the availability of parts, the determined delivery module from column 2 is not available, the part number from column 1 can be ordered.
The difference between the delivery module column 1 (delivery module with float-and-lever sensor) and column 2 (delivery module without float-and-lever sensor) is the delivery condition if supplied with or without float-and-lever sensor.
If a delivery module from column 2 is delivered, proceed as per the operation item “12-1759”.
If the required parts number determined in the XENTRY parts process is not listed in column 1, this must be ordered in accordance with the XENTRY parts process. Column 1
Part number determined via the vehicle identification number in the parts process
* If the part number has 12 digits, the last two digits can be ignored and the part from column 2 must be ordered!
A 167 470 03 94 /*
A 167 470 45 00 /*
A 167 470 69 00 /*
A 205 470 27 02 /*
A 205 470 49 00 /*
A 205 470 85 01 /* Column 2 Order delivery module without float-and-lever sensor and install A 167 470 07 06
A 167 470 06 06
A 167 470 05 06
A 205 470 52 03
A 205 470 51 03
A 205 470 50 03 The fuel pump locking ring is not required to be replaced and will not be covered under warranty. Qty.
1 Delivery unit in right fuel tank Part Name Part Number
* 1
6
As required As required
1 3
3 O-RING between delivery unit and fuel tank *
Cap bolt, propeller shaft to transfer case *
(model 167)
Cap bolt, propeller shaft to rear axle (model 167) *
Cap bolt, flex disk to rear propeller shaft (model 167) * Bolt and washer assembly, rear axle carrier to rear frame floor assembly * (model 167)
MOUNTING PLATE PARTS KIT propeller shaft to transmission * (model 463)
MOUNTING PLATE PARTS KIT propeller shaft to rear axle (model 463) * * The replacement parts must be determined according to the equipment variant for the vehicle identification number via the parts process in the Xentry Portal. Small parts such as screws, lock nuts, sealing rings, cable ties, fluids, sealant, etc. are not listed in the parts list. The required small parts are taken into account in the budgeting. P-RC-2023070012 6
P-RC-2023070012
Note: The following allowable labor operation should be used when submitting a warranty claim for this repair:
Warranty Information Damage Code Operation Number Description Labor Time (hrs.)
47 902 05
12-1754 Replace fuel delivery module
0.7 12-1754 12-1754 12-1754 Model 205, 206, 213, 232, 238, 253, 257, 290
Replace fuel delivery module Model 223
Replace fuel delivery module Model 167
Includes: Remove fuel tank Replace fuel pump (after check) Model 463
Includes: Remove fuel tank
r sensor at fuel delivery module (after check) 0.8 5.6 4.0
12-1759 Only if fuel pump is delivered without float-and-lever sensor
0.1
02-9736*
02-0725*
02-0727
Operations: Empty, fill fuel tank
Operations: Put fuel tank and fuel in storage; observe accident prevention regulations
Operations: Extract fuel vapors (when working on the fuel system)
ZM ZM 0.1 * The operation items may only be invoiced if the fill level of the fuel tank is above 20%. Note: Always check Xentry Operation Time (XOT) for the current OP-Code times. Labor times are subject to change t be reflected in this document.
**************************************************************************************************************
Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600
News Channel Update
|
Vehicle Compliance & Analysis
IMPORTANT RECALL CAMPAIGN UPDATE
Please see the attached documents related to the campaign listed above.
Please note that all customer inquiries should be directed to the Customer Assistance Center at 1-800-FOR- MERCEDES.
Sincerely, Gregory Gunther
Senior Manager, Vehicle Compliance & Analysis
TO: Mercedes-Benz Dealer Principals, General Managers, Sales Managers, Service Managers, Parts Managers
RE: Recall Campaign Launch Notification Replace Fuel Pump Delivery Module – Wave 3
MY21-23 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238,
257, 223, 232, 290, 253, 167 and 463 platforms)
FROM: Gregory Gunther, Senior Manager, Vehicle Compliance and Analysis, Engineering Services DATE: November 17, 2023 News Channel Update | Vehicle Compliance & Analysis Recall Campaign Launch Notification
Campaign No. : NHTSA ID : Campaign Desc. : 2023070012 23V445 23P4790205 November 17, 2023
Replace Fuel Pump Delivery Module – Wave 3 This is to notify you of the Recall Campaign Launch to replace the fuel pump delivery module on 113,429 Model Year (“MY”) 2021-2023 C- Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles. The recall campaign will be visible on the www.NHTSA.gov website and may generate questions from customers. Vehicles for Wave 1 were flagged in VMI as “OPEN” on September 15, 2023. An additional 29,640 vehicles for Wave 2 were flagged as “OPEN” on October 27, 2023. An additional 30,775 vehicles for Wave 3 will be flagged as “OPEN” on November 17, 2023.
Background
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles, the fuel pump impeller might not meet current specifications in regard to material characteristics. As a Issue What We’re Doing Parts consequence, the impeller might deform and then contact the fuel pump housing and result in mechanical resistance on the impeller. In some instances, this could cause the fuel pump to stop operating. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury. Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice a roughly running engine.
MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will replace the fuel pump delivery module on the affected vehicles.
The remedy is available and can be performed.
Vehicles Affected Vehicle Model Year(s) Vehicle Model Total Recall Population
Total Vehicles in Dealer Inventory 2021-2023
C-Class, CLS, E-Class, G-Class, GLC, GLE, GLS, GT, S-Class, and SL
Vehicle Populations
53,014 (Wave 1) + 29,640 (Wave 2) + 30,775 (Wave 3)
679 Given this notice, it is a violation of Federal law for a dealer to sell or lease any new vehicles in dealer inventory covered by this notification until the vehicle has been repaired. Once the remedy is available, the vehicles will be flagged as “OPEN” and Work Instructions will be available in NetStar VMI and Xentry Portal. Once the repair is complete, the vehicle may be sold or leased.
Loaner and demonstrator vehicles may continue to be driven, but must not be retailed until repaired. As a matter of normal service process, please check for other repair measures which might be applicable to the vehicle(s).
Additionally, given this notice, it is a violation of Federal Law for car rental companies to rent new vehicles covered by this notification until the vehicle has been repaired.
Next Steps/Notes
Customer letters for Wave 1 were mailed on September 29, 2023. Customer Notification Timeline AOMS/SOMS
Rental Fleet Partners Customer Reimbursement Customer letters for Wave 2 were mailed on November 10, 2023.
Customer letters for Wave 3 will be mailed on approximately December 1, 2023.
AOMs – This recall may generate questions from your dealers. Please forward this notice to your dealers ASAP.
This recall may affect vehicles in your fleet. Please contact your respective MBUSA fleet representative for further information and next steps. For repairs, please contact your preferred MBUSA dealer.
Customer reimbursement is not being offered for this campaign. While we regret any inconvenience this may cause, MBUSA is determined to maintain a high level of vehicle quality and customer satisfaction. Please refer all customer inquiries to the Customer Assistance Center at 1-800-FOR-MERCEDES. Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600 2 Campaign No. 2023070012, September 2023 Revision A 10/27/2023 TO: ALL MERCEDES-BENZ CENTERS SUBJECT: Model Various Models
Model Year 2021-2023 Replace Fuel Pump Delivery Module Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles, the fuel pump impeller might not meet current specifications in regards to material characteristics. As a consequence, the impeller might deform and then contact the fuel pump housing and result in mechanical resistance on the impeller. In some instances, this could cause the fuel pump to stop operating. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury. Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice a roughly running engine. An authorized Mercedes-Benz dealer will replace the fuel pump delivery module on the affected vehicles. Prior to performing this Campaign:
• VMI must be checked before performing campaigns to verify that the campaign is required on a specific vehicle. Always check for any other open campaigns, and perform accordingly.
• Please review the entire Campaign bulletin and follow the repair procedure exactly as described. Approximately 113,429 vehicles are affected. Order No. P-RC-2023070012 2 Replace Fuel Pump Delivery Module Work Procedure The fuel tank may only be filled up to a maximum of 20%. This corresponds to two lines (A) on the fuel display (Figure 1). Figure 1(shown on model 205) P-RC-2023070012 3 1. Replace fuel pump.
For basic data, see AR47.20-P-5710*.
* Select the WIS document according to the vehicle model.
No quick test has to be performed.
Only model 206, 232: Note on disassembly of suction jet pump drive line quick connector.
The procedure step 1-3 should only be performed when the quick disconnect is not working (Figure 2). Figure 2 Only for model 167
Contrary to the WIS document (AR88.60-P-2001ME – Remove/install tank filler recess), the
tank filler recess must not be removed. Disconnecting the hose lines at the activated charcoal canister and the sealing bellows on the inside at the tank filler recess is sufficient. P-RC-2023070012 4 Installation: Delivery modules that are delivered without float-and-lever sensor must be modified. (Figure 3-5) Figure 3 (release corresponding connector and disconnect the contacts) Figure 4 (remove lines from routing clip) Figure 5 (using a screwdriver, carefully push float-and-lever
sensor housing away from module housing and at the same time push float-and-lever sensor housing upwards.) 2. Assemble in reverse order. P-RC-2023070012 5 Primary Parts Information If one of the following part numbers (column 1) was determined via the vehicle identification number in the parts process, the delivery module with the item number (column 2) should be ordered and installed!
If, due to the availability of parts, the determined delivery module from column 2 is not available, the part number from column 1 can be ordered.
The difference between the delivery module column 1 (delivery module with float-and-lever sensor) and column 2 (delivery module without float-and-lever sensor) is the delivery condition if supplied with or without float-and-lever sensor.
If a delivery module from column 2 is delivered, proceed as per the operation item “12-1759”.
If the required parts number determined in the XENTRY parts process is not listed in column 1, this must be ordered in accordance with the XENTRY parts process. Column 1
Part number determined via the vehicle identification number in the parts process
* If the part number has 12 digits, the last two digits can be ignored and the part from column 2 must be ordered!
A 167 470 03 94 /*
A 167 470 45 00 /*
A 167 470 69 00 /*
A 205 470 27 02 /*
A 205 470 49 00 /*
A 205 470 85 01 /* Column 2 Order delivery module without float-and-lever sensor and install A 167 470 07 06
A 167 470 06 06
A 167 470 05 06
A 205 470 52 03
A 205 470 51 03
A 205 470 50 03 The fuel pump locking ring is not required to be replaced and will not be covered under warranty. Qty.
1 Delivery unit in right fuel tank Part Name Part Number
* 1
6
As required As required
1 3
3 O-RING between delivery unit and fuel tank *
Cap bolt, propeller shaft to transfer case *
(model 167)
Cap bolt, propeller shaft to rear axle (model 167) *
Cap bolt, flex disk to rear propeller shaft (model 167) * Bolt and washer assembly, rear axle carrier to rear frame floor assembly * (model 167)
MOUNTING PLATE PARTS KIT propeller shaft to transmission * (model 463)
MOUNTING PLATE PARTS KIT propeller shaft to rear axle (model 463) * * The replacement parts must be determined according to the equipment variant for the vehicle identification number via the parts process in the Xentry Portal. Small parts such as screws, lock nuts, sealing rings, cable ties, fluids, sealant, etc. are not listed in the parts list. The required small parts are taken into account in the budgeting. P-RC-2023070012 6
P-RC-2023070012
Note: The following allowable labor operation should be used when submitting a warranty claim for this repair:
Warranty Information Damage Code Operation Number Description Labor Time (hrs.)
47 902 05
12-1754 Replace fuel delivery module
0.7 12-1754 12-1754 12-1754 Model 205, 206, 213, 232, 238, 253, 257, 290
Replace fuel delivery module Model 223
Replace fuel delivery module Model 167
Includes: Remove fuel tank Replace fuel pump (after check) Model 463
Includes: Remove fuel tank
r sensor at fuel delivery module (after check) 0.8 5.6 4.0
12-1759 Only if fuel pump is delivered without float-and-lever sensor
0.1
02-9736*
02-0725*
02-0727
Operations: Empty, fill fuel tank
Operations: Put fuel tank and fuel in storage; observe accident prevention regulations
Operations: Extract fuel vapors (when working on the fuel system)
ZM ZM 0.1 * The operation items may only be invoiced if the fill level of the fuel tank is above 20%. Note: Always check Xentry Operation Time (XOT) for the current OP-Code times. Labor times are subject to change t be reflected in this document.
**************************************************************************************************************
Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600
News Channel Update
|
Vehicle Compliance & Analysis
IMPORTANT RECALL CAMPAIGN INFORMATION
Please see the attached documents related to the campaign listed above.
Please note that all customer inquiries should be directed to the Customer Assistance Center at 1-800-FOR- MERCEDES.
Sincerely, Gregory Gunther
Senior Manager, Vehicle Compliance & Analysis
TO: Mercedes-Benz Dealer Principals, General Managers, Sales Managers, Service Managers, Parts Managers
RE: Recall Campaign Initial Notification Replace Fuel Pump Delivery Module
MY21-23 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238,
257, 223, 232, 290, 253, 167 and 463 platforms)
FROM: Gregory Gunther, Senior Manager, Vehicle Compliance and Analysis, Engineering Services DATE: July 3, 2023 Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600
News Channel Update
|
Vehicle Compliance & Analysis
Recall Campaign Initial Notification
Campaign No. : NHTSA ID : Campaign Desc. : TBA 23V445 23P2197608
July 3, 2023
Replace Fuel Pump Delivery Module This is to notify you of the new Recall Campaign to replace the fuel pump delivery module on 143,551 Model Year (“MY”) 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms)vehicles. The recall campaign will be visible on the www.NHTSA.gov website and may generate questions from customers. Affected VINs will be flagged in VMI
as “PENDING” on July 3, 2023.
Background
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles, the fuel pump impeller might not meet current specifications in regards to material characteristics. As a Issue What We’re Doing Parts consequence, the impeller might deform and therefore contact the fuel pump housing and result in mechanical resistance on the impeller. In some instances, this could cause the fuel pump to stop operating. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury. Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice a roughly running engine.
MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will replace the fuel pump delivery module on the affected vehicles.
Remedy is not available at this time.
Vehicles Affected Vehicle Model Year(s) Vehicle Model 2021-2023
C-Class, CLS, E-Class, G-Class, GLC, GLE, GLS, GT, S-Class, and SL
Vehicle Populations Total Recall Population
Total Vehicles in Dealer Inventory 143,551
679 Given this notice, it is a violation of Federal law for a dealer to sell or lease any new vehicles in dealer inventory covered by this notification until the vehicle has been repaired. Once the remedy is available, the vehicles will be flagged as “OPEN” and Work Instructions will be available in NetStar VMI and Xentry Portal. Once the repair is complete the vehicle may be sold or leased.
Loaner and demonstrator vehicles may continue to be driven, but must not be retailed until repaired. As a matter of normal service process, please check for other repair measures which might be applicable to the vehicle(s).
Additionally, given this notice, it is a violation of Federal Law for car rental companies to rent new vehicles covered by this notification until the vehicle has been repaired.
Next Steps/Notes
Customer Notification Timeline Customer letters will be mailed on or before August 25, 2023.
AOMS/SOMS AOMs – This recall may generate questions from your dealers. Please forward this notice to your dealers ASAP.
Rental Fleet Partners This recall may affect vehicles in your fleet. Please contact your respective MBUSA fleet
representative for further information and next steps. For repairs, please contact your preferred MBUSA dealer.
Customer Reimbursement Customer reimbursement is not being offered for this campaign.
While we regret any inconvenience this may cause, MBUSA is determined to maintain a high level of vehicle quality and customer satisfaction.
es to the Customer Assistance Center at 1-800-FOR-MERCEDES.
**************************************************************************************************************
Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company
One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600
News Channel Update |
Vehicle Compliance & Analysis
IMPORTANT RECALL CAMPAIGN UPDATE
Please see the attached documents related to the campaign listed above.
Please note that all customer inquiries should be directed to the Customer Assistance Center at 1-800-FOR-
MERCEDES.
Sincerely,
Gregory Gunther
Senior Manager, Vehicle Compliance & Analysis
TO: Mercedes-Benz Dealer Principals, General Managers,
Sales Managers, Service Managers, Parts Managers
FROM: Gregory Gunther, Senior Manager, Vehicle Compliance and Analysis, Engineering Services
RE: Recall Campaign Launch Notification
Replace Fuel Pump Delivery Module – Wave 1 MY21-23 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238,
257, 223, 232, 290, 253, 167 and 463 platforms)
DATE: September 15, 2023 News Channel Update | Vehicle Compliance & Analysis Recall Campaign Launch Notification
Campaign No. : NHTSA ID : Campaign Desc. : 2023070012 23V445 23P4790205 September 15, 2023
Replace Fuel Pump Delivery Module
– Wave 1 This is to notify you of the Recall Campaign Launch to replace the fuel pump delivery module on 53,014 Model Year (“MY”) 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles. The recall campaign will be visible on the www.NHTSA.gov website and may generate questions from customers. Affected VINs will be flagged in VMI as “OPEN” on September 15, 2023.
Background
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles, the fuel pump impeller might not meet current specifications in regards to material characteristics. As a Issue What We’re Doing
Parts consequence, the impeller might deform and then contact the fuel pump housing and result in mechanical resistance on the impeller. In some instances, this could cause the fuel pump to stop operating. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury. Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice a roughly running engine.
MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will replace the fuel pump delivery module on the affected vehicles.
The remedy is available and can be performed..
Vehicles Affected Vehicle Model Year(s) Vehicle Model Total Recall Population
Total Vehicles in Dealer Inventory 2021-2023
C-Class, CLS, E-Class, G-Class, GLC, GLE, GLS, GT, S-Class, and SL
Vehicle Populations
53,014 (Wave 1)
679 Given this notice, it is a violation of Federal law for a dealer to sell or lease any new vehicles in dealer inventory covered by this notification until the vehicle has been repaired. Once the remedy is available, the vehicles will be flagged as “OPEN” and Wo rk Instructions will be available in NetStar VMI and Xentry Portal. Once the repair is complete the vehicle may be sold or leased.
Loaner and demonstrator vehicles may continue to be driven, but must not be retailed until repaired. As a matter of normal se rvice process, please check for other repair measures which might be applicable to the vehicle(s).
Additionally, given this notice, it is a violation of Federal Law for car rental companies to rent new vehicles covered by this notification until the vehicle has been repaired.
Next Steps/Notes
Customer Notification Timeline Customer letters will be mailed on September 29, 2023.
AOMS/SOMS AOMs – This recall may generate questions from your dealers. Please forward this notice to your dealers ASAP.
Rental Fleet Partners This recall may affect vehicles in your fleet. Please contact your respective MBUSA fleet
representative for further information and next steps. For repairs, please contact your preferred MBUSA dealer.
Customer Reimbursement Customer reimbursement is not being offered for this campaign.
While we regret any inconvenience this may cause, MBUSA is determined to maintain a high level of vehicle quality and customer satisfaction.
Please refer all customer inquiries to the Customer Assistance Center at 1-800-FOR-MERCEDES. Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company
One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600 2 Campaign No. 2023070012, September 2023 TO: ALL MERCEDES-BENZ CENTERS SUBJECT: Model Various Models
Model Year 2021-2023 Replace Fuel Pump Delivery Module Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles, the fuel pump impeller might not meet current specifications in regards to material characteristics. As a consequence, the impeller might deform and then contact the fuel pump housing and result in mechanical resistance on the impeller. In some instances, this could cause the fuel pump to stop operating. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury. Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice a roughly running engine. An authorized Mercedes-Benz dealer will replace the fuel pump delivery module on the affected vehicles. Prior to performing this Campaign:
• VMI must be checked before performing campaigns to verify that the campaign is required on a specific vehicle. Always check for any other open campaigns, and perform accordingly.
• Please review the entire Campaign bulletin and follow the repair procedure exactly as described. Approximately 53,014 vehicles are affected. Order No. P-RC-2023070012 2 Replace Fuel Pump Delivery Module Work Procedure The fuel tank may only be filled up to a maximum of 20%.
This corresponds to two lines (A) on the fuel display (Figure 1). Figure 1(shown on model 205) 1. Replace fuel pump.
For basic data, see AR47.20-P-5710*.
* Select the WIS document according to the vehicle model.
No quick test has to be performed. Only for model 167
Contrary to the WIS document (AR88.60-P-2001ME – Remove/install tank filler recess), the
tank filler recess must not be removed. Disconnecting the hose lines at the activated charcoal canister and the sealing bellows on the inside at the tank filler recess is sufficient. P-RC-2023070012 3 Installation: Delivery modules that are delivered without float-and-lever sensor must be modified. (Figure 2-4) Figure 2 (release corresponding connector and disconnect the contacts) Figure 3 (remove lines from routing clip) Figure 4 (using a screwdriver, carefully push float-and-lever
sensor housing away from module housing and at the same time push float-and-lever sensor housing upwards.) 2. Assemble in reverse order. P-RC-2023070012 4 Primary Parts Information If one of the following part numbers (column 1) was determined via the vehicle identification number in the parts process, the delivery module with the item number (column 2) should be ordered and installed!
If, due to the availability of parts, the determined delivery module from column 2 is not available, the part number from column 1 can be ordered.
The difference between the delivery module column 1 (delivery module with float-and-lever sensor) and column 2 (delivery module without float-and-lever sensor) is the delivery condition if supplied with or without float-and-lever sensor.
If a delivery module from column 2 is delivered, proceed as per the operation item “12-1759”.
If the required parts number determined in the XENTRY parts process is not listed in column 1, this must be ordered in accordance with the XENTRY parts process. Column 1
Part number determined via the vehicle identification number in the parts process
* If the part number has 12 digits, the last two digits can be ignored and the part from column 2 must be ordered!
A 167 470 03 94 /*
A 167 470 45 00 /*
A 167 470 69 00 /*
A 205 470 27 02 /*
A 205 470 49 00 /*
A 205 470 85 01 /* Column 2 Order delivery module without float-and-lever sensor and install A 167 470 07 06
A 167 470 06 06
A 167 470 05 06
A 205 470 52 03
A 205 470 51 03
A 205 470 50 03 Qty.
1 Delivery unit in right fuel tank Part Name Part Number
* 1
6
As required As required
1 3
3 O-RING between delivery unit and fuel tank *
Cap bolt, propeller shaft to transfer case *
(model 167)
Cap bolt, propeller shaft to rear axle (model 167) *
Cap bolt, flex disk to rear propeller shaft (model 167) * Bolt and washer assembly, rear axle carrier to rear frame floor assembly * (model 167)
MOUNTING PLATE PARTS KIT propeller shaft to transmission * (model 463)
MOUNTING PLATE PARTS KIT propeller shaft to rear axle (model 463) * * The replacement parts must be determined according to the equipment variant for the vehicle identification number via the parts process in the Xentry Portal. Small parts such as screws, lock nuts, sealing rings, cable ties, fluids, sealant, etc. are not listed in the parts list. The required small parts are taken into account in the budgeting. _ P-RC-2023070012 5
P-RC-2023070012
Note: The following allowable labor operation should be used when submitting a warranty claim for this repair:
Warranty Information Damage Code Operation Number Description Labor Time
47 902 05
12-1754 Replace fuel delivery module
0.7 12-1754 12-1754 12-1754 Model 205, 206, 213, 232, 238, 253, 257, 290
Replace fuel delivery module Model 223
Replace fuel delivery module Model 167
Includes: Remove fuel tank Replace fuel pump (after check) Model 463
Includes: Remove fuel tank
ver sensor at fuel delivery module (after check) 0.8 5.6 4.0
12-1759 Only if fuel pump is delivered without float-and-lever sensor
0.1
02-9736*
02-0725*
02-0727
Operations: Empty, fill fuel tank
Operations: Put fuel tank and fuel in storage; observe accident prevention regulations
Operations: Extract fuel vapors (when working on the fuel system)
ZM ZM 0.1 * The operation items may only be invoiced if the fill level of the fuel tank is above 20%. Note: Always check Xentry Operation Time (XOT) for the current OP-Code times. Labor times are subject to change t be reflected in this document.
**************************************************************************************************************
Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600
News Channel Update
|
Vehicle Compliance & Analysis
IMPORTANT RECALL CAMPAIGN INFORMATION
Please see the attached documents related to the campaign listed above.
Please note that all customer inquiries should be directed to the Customer Assistance Center at 1-800-FOR- MERCEDES.
Sincerely, Gregory Gunther
Senior Manager, Vehicle Compliance & Analysis
TO: Mercedes-Benz Dealer Principals, General Managers, Sales Managers, Service Managers, Parts Managers
RE: Recall Campaign Initial Notification Replace Fuel Pump Delivery Module
MY21-23 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238,
257, 223, 232, 290, 253, 167 and 463 platforms)
FROM: Gregory Gunther, Senior Manager, Vehicle Compliance and Analysis, Engineering Services DATE: July 3, 2023 News Channel Update | Vehicle Compliance & Analysis Recall Campaign Initial Notification
Campaign No. : NHTSA ID : Campaign Desc. : TBA 23V445 23P2197608 July 3, 2023
Replace Fuel Pump Delivery Module This is to notify you of the new Recall Campaign to replace the fuel pump delivery module on 143,551 Model Year (“MY”) 2021-2023 C-Class, E- Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles. The recall campaign will be visible on the www.NHTSA.gov website and may generate questions from customers. Affected VINs will be flagged in VMI as “PENDING” on July 3, 2023.
Background
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles, the fuel pump impeller might not meet current specifications in regards to material characteristics. As a Issue What We’re Doing Parts consequence, the impeller might deform and contact the fuel pump housing and result in mechanical resistance on the impeller. In some instances, this could cause the fuel pump to stop operating. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury. Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice a roughly running engine.
MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will replace the fuel pump delivery module on the affected vehicles.
Remedy is not available at this time.
Vehicles Affected Vehicle Model Year(s) Vehicle Model 2021-2023
C-Class, CLS, E-Class, G-Class, GLC, GLE, GLS, GT, S-Class, and SL
Vehicle Populations Total Recall Population
Total Vehicles in Dealer Inventory 143,551
679 Given this notice, it is a violation of Federal law for a dealer to sell or lease any new vehicles in dealer inventory covered by this notification until the vehicle has been repaired. Once the remedy is available, the vehicles will be flagged as “OPEN” and Work Instructions will be available in NetStar VMI and Xentry Portal. Once the repair is complete the vehicle may be sold or leased.
Loaner and demonstrator vehicles may continue to be driven, but must not be retailed until repaired. As a matter of normal service process, please check for other repair measures which might be applicable to the vehicle(s).
Additionally, given this notice, it is a violation of Federal Law for car rental companies to rent new vehicles covered by this notification until the vehicle has been repaired.
Next Steps/Notes
Customer Notification Timeline Customer letters will be mailed on or before August 25, 2023.
AOMS/SOMS AOMs – This recall may generate questions from your dealers. Please forward this notice to your dealers ASAP.
Rental Fleet Partners This recall may affect vehicles in your fleet. Please contact your respective MBUSA fleet
representative for further information and next steps. For repairs, please contact your preferred MBUSA dealer.
Customer Reimbursement Customer reimbursement is not being offered for this campaign.
While we regret any inconvenience this may cause, MBUSA is determined to maintain a high level of vehicle quality and customer satisfaction.
Please refer all customer inquiries to the Customer Assistance Center at 1-800-FOR-MERCEDES. Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600 Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600
News Channel Update
|
Vehicle Compliance & Analysis
Frequently Asked Questions (FAQ’s)
� What vehicles are included in the recall?
⮚ Model Year (“MY”) 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles.
� Will the recall be rolled out in waves?
⮚ Yes, the campaign will be rolled out in waves. Vehicles in hot regions will be prioritized. � How can I determine if a vehicle is included in the recall?
⮚ VINs will be flagged as “OPEN” in Netstar-VMI under campaign #2023070012. � Will this Recall expire?
⮚ No, recalls do not expire. � Does the vehicle need to be brought to the dealer to have the recall completed?
⮚ Yes. Only an authorized Mercedes-Benz dealer may perform this recall repair. � Which parts should dealers order?
⮚ Refer to NCU part designation based on model. Parts can only be ordered for vehicles in open status in Netstar-VMI. � Why is the VMI “pending” date 1/12/24?
⮚ This date represents the approximate date of last wave for all vehicles launched, based on parts availability from GLC. This date is subject to change. Please monitor Netstar VMI per VIN. � When will dealer CPO vehicles launch?
⮚ All CPO vehicles were included in wave 1 launch and have a remedy available. PO vehicles are combined with all other retailed units. Vehicles in hot regions will be prioritized first. � What about customer vehicles that are still in VMI “pending” status but are down due to the described issue?
⮚ Dealers – Please contact your AOM for further information.
⮚ AOMs – Please submit a request to the recall inbox. Further analysis will be conducted based on wave and parts supply. � Is this a stop drive recall?
⮚ No, customers may continue to drive the vehicle.
**************************************************************************************************************
OMB Control No.: 2127-0004
Part 573 Safety Recall Report 23V-445
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
Mercedes-Benz USA, LLC JUN 26, 2023 NHTSA Recall No. : 23V-445 Manufacturer Recall No. : NR Manufacturer Information :
Manufacturer Name : Mercedes-Benz USA, LLC Address : 13470 International Parkway
Jacksonville FL 32218
Company phone : 1-877-496-3691
Population :
Number of potentially involved : 143,554 Estimated percentage with defect : 99 %
Vehicle Information :
Vehicle 1 : 2021-2023 Mercedes-Benz C300 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 28,628 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2022-2023 Mercedes-Benz CLS450 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 767 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 23V-445 Page 2 Vehicle 3 : 2021-2022 Mercedes-Benz E300 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 3303 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 4 : 2021-2023 Mercedes-Benz E350 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 2177 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 5 : 2022-2023 Mercedes-Benz E450 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 3290 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 6 : 2021-2023 Mercedes-Benz AMG C43 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : NR
Descriptive Information : 488 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 3 Vehicle 7 : 2021-2022 Mercedes-Benz G550 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 2547 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 8 : 2021-2021 Mercedes-Benz AMG C63 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 9 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 9 : 2021-2023 Mercedes-Benz GLC300 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 43257 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 10 : 2021-2023 Mercedes-Benz AMG C63 S Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 33 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 4 Vehicle 11 : 2022-2022 Mercedes-Benz GLE350e Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : HYBRID ELECTRIC
Descriptive Information : 1 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 12 : 2022-2023 Mercedes-Benz AMG E53 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 1,231 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 13 : 2023-2023 Mercedes-Benz AMG E63 S Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 6 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 14 : 2021-2022 Mercedes-Benz GLE450 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 5583 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 5 Vehicle 15 : 2021-2021 Mercedes-Benz GLE580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 122 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 16 : 2021-2023 Mercedes-Benz GLS450 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 14485 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 17 : 2021-2023 Mercedes-Benz AMG G63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 4,549 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 18 : 2021-2023 Mercedes-Benz GLS580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 398 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 6 Vehicle 19 : 2022-2022 Mercedes-Benz AMG G63 4×4 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 47 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 20 : 2021-2023 Mercedes-Benz Maybach GLS600 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 543 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 21 : 2021-2023 Mercedes-Benz AMG GLC43 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 2,493 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 22 : 2021-2023 Mercedes-Benz Maybach S580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 441 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 7 Vehicle 23 : 2022-2023 Mercedes-Benz Maybach S680 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 60 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 24 : 2021-2021 Mercedes-Benz AMG GLC63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 43 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 25 : 2022-2023 Mercedes-Benz S500 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 5297 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 26 : 2021-2023 Mercedes-Benz AMG GLC63 S Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 75 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 8 Vehicle 27 : 2021-2023 Mercedes-Benz S580 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 10100 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 28 : 2021-2022 Mercedes-Benz AMG GLE53 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 5,546 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 29 : 2023-2023 Mercedes-Benz S580e Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 3 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 30 : 2022-2022 Mercedes-Benz AMG GLE63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1 vehicle. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 9 Vehicle 31 : 2022-2023 Mercedes-Benz SL43 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 4 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 32 : 2021-2023 Mercedes-Benz AMG GLE63 S Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1,925 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 33 : 2022-2023 Mercedes-Benz AMG SL63 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 1347 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 34 : 2021-2023 Mercedes-Benz AMG GLS63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1,045 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 10 Vehicle 35 : 2021-2021 Mercedes-Benz AMG GLS63 S Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 27 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 36 : 2022-2023 Mercedes-Benz AMG GT43 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 1,230 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 37 : 2022-2023 Mercedes-Benz AMG GT53 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 1,525 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 38 : 2023-2023 Mercedes-Benz AMG GT63 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 5 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 11 Vehicle 39 : 2023-2023 Mercedes-Benz AMG GT63 S Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 2 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 40 : 2022-2023 Mercedes-Benz AMG SL55 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 921 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect :
Description of the Defect : Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2021-2023 GLE/GLS (167 platform), C-Class (205, 206 platform), E-Class (213 platform), S-Class (223 platform), SL (232 platform), E-Class Coupe/Convertible (238 platform), GLC (253 platform), CLS (257 platform), AMG GT 4-doors Coupe (290 platform) and G-Class (463 platform) vehicles, the fuel pump impeller might not meet current specifications in regards to material characteristics.
FMVSS 1 : NR FMVSS 2 : NR
Description of the Safety Risk : As a consequence, the impeller might deform and therefore come into contact with the fuel pump housing, leading to a mechanical resistance. In some instances, this could lead to a shutdown of the fuel pump. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury.
Description of the Cause : Due to a deviation in the production process of a sub-supplier, certain fuel pump impellers might not meet the material requirements and thus certain batches of fuel delivery modules might not meet the durability requirements. Identification of Any Warning
that can Occur : Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice the engine running rough. The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 12 Involved Components : Component Name 1 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A1674700394 Component Name 2 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A1674704500 Component Name 3 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A1674706900 Component Name 4 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2054702702 Component Name 5 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2054704900 Component Name 6 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2054708501 Component Name 7 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2064700202 The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 13 Component Name 8 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2064704401 Component Name 9 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2064704501 Component Name 10 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2234703301 Component Name 11 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2234709601 Component Name 12 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2324700000 Component Name 13 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A4634705900 Supplier Identification : Component Manufacturer
Name : Hyundam Industrial Co., Ltd.
Address : 29, Yeongni-gil Yeongin-myeon, Asan-si, Chung Cheong Nam-Do Foreign States The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 14 Country : Korea, Democratic People’s Republic of Chronology :
In the beginning of June 2022, MBAG launched initial investigations based on individual field reports from outside the US alleging inconsistent power delivery. MBAG hypothesized that, the function of the fuel pump might have been impaired without having any initial indications in regards to common influencing factors on the field cases in this relation. In July 2022, MBAG began retrieving fuel pumps from affected vehicles in the field and analyzing them in coordination with the supplier. Over the next several months, MBAG conducted analyses of the material together with the supplier, as well as the production processes at the supplier and its sub-suppliers. Through the end of the year, MBAG conducted numerous and varied tests in coordination with its tier one supplier, including fuel swelling behavior, structural damage and notched impact resistance tests. In December 2022, these intensive analyses and tests identified an irregularity in individual raw material batches used for the suspect fuel pump impellers, sourced from a sub-supplier. Based on that determination, in January 2023, MBAG’s supplier of the suspect fuel pump started investigations to identify the potentially affected vehicle population by tracking the material flow within the multi-supplier chain from the raw material sub- supplier up to the fuel pump manufacturer. At the same time, the fuel pump supplier implemented several changes in its production process, including a replacement of the raw material supplier, changing the injection molding process at the injection molding supplier and implementing more quality controls within the supplier chain. Through May 2023, MBAG and its fuel pump supplier conducted further testing and analyses to identify potential influencing factors and determine potential consequences of material and process anomalies at different steps of the production process. Please see chronology supplement attached. Description of Remedy :
Description of Remedy Program : An authorized Mercedes-Benz dealership will replace the fuel delivery
module on the affected vehicles.
Pursuant to 49 C.F.R. § 577.11(e), MBUSA does not plan to provide notice about pre-notice reimbursement to owners since none of the involved vehicles would have been previously subject to the condition described and all remain covered under the new vehicle warranty How Remedy Component Differs from Recalled Component : Fuel pump impellers that meet the material requirements. Fuel DELIVERY UNIT A1674700394
Fuel DELIVERY UNIT A1674704500 Fuel DELIVERY UNIT A1674706900 Fuel DELIVERY UNIT A2054702702 Fuel DELIVERY UNIT A2054704900 Fuel DELIVERY UNIT A2054708501 Fuel DELIVERY UNIT A2064700202 Fuel DELIVERY UNIT A2064704401 Fuel DELIVERY UNIT A2064704501 Fuel DELIVERY UNIT A2234703301 Fuel DELIVERY UNIT A2234709601 Fuel DELIVERY UNIT A2324700000 The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445
Page 15
The information contained in this report was submitted pursuant to 49 CFR §573
Fuel DELIVERY UNIT A4634705900 Identify How/When Recall Condition was Corrected in Production : A change in the production process at suppliers ensures that this issue can no longer occur from May 01, 2023 onwards. Recall Schedule :
Description of Recall Schedule : Authorized Mercedes-Benz dealerships will be notified of the pending
voluntary recall campaign on July 3, 2023. Owners will be notified of the voluntary recall campaign before August 25, 2023. A copy of all communications will be provided when available.
Planned Dealer Notification Date : JUL 03, 2023 – NR Planned Owner Notification Date : AUG 25, 2023 – NR
* NR – Not Reported
**************************************************************************************************************
OMB Control No.: 2127-0004
Part 573 Safety Recall Report 23V-445
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
Mercedes-Benz USA, LLC SEP 19, 2023 NHTSA Recall No. : 23V-445 Manufacturer Recall No. : 2023070012 Manufacturer Information :
Manufacturer Name : Mercedes-Benz USA, LLC Address : 13470 International Parkway
Jacksonville FL 32218
Company phone : 1-877-496-3691
Population :
Number of potentially involved : 143,551 Estimated percentage with defect : 99 %
Vehicle Information :
Vehicle 1 : 2021-2023 Mercedes-Benz C300 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 28,628 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2023-2023 Mercedes-Benz S580e Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : HYBRID ELECTRIC
Descriptive Information : 3 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 23V-445 Page 2 Vehicle 3 : 2021-2023 Mercedes-Benz E350 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 5480 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 4 : 2022-2023 Mercedes-Benz E450 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 3290 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 5 : 2021-2023 Mercedes-Benz AMG C43 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : NR
Descriptive Information : 488 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 6 : 2021-2022 Mercedes-Benz G550 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 2547 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 3 Vehicle 7 : 2021-2021 Mercedes-Benz AMG C63 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 9 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 8 : 2021-2023 Mercedes-Benz GLC300 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 43257 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 9 : 2021-2023 Mercedes-Benz AMG C63 S Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 33 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 10 : 2022-2023 Mercedes-Benz AMG E53 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 1,231 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 4 Vehicle 11 : 2023-2023 Mercedes-Benz AMG E63 S Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 6 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 12 : 2021-2022 Mercedes-Benz GLE450 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 5583 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 13 : 2021-2021 Mercedes-Benz GLE580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 122 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 14 : 2021-2023 Mercedes-Benz GLS450 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 14485 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 5 Vehicle 15 : 2021-2023 Mercedes-Benz AMG G63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 4,549 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 16 : 2021-2023 Mercedes-Benz GLS580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 398 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 17 : 2022-2022 Mercedes-Benz AMG G63 4×4 Squared Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 47 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 18 : 2021-2023 Mercedes-Benz Maybach GLS600 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 543 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 6 Vehicle 19 : 2021-2023 Mercedes-Benz AMG GLC43 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 2,493 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 20 : 2021-2023 Mercedes-Benz Maybach S580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 441 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 21 : 2022-2023 Mercedes-Benz Maybach S680 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 60 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 22 : 2021-2021 Mercedes-Benz AMG GLC63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 43 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 7 Vehicle 23 : 2022-2023 Mercedes-Benz S500 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 5297 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 24 : 2021-2021 Mercedes-Benz AMG GLC63 S Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 74 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 25 : 2021-2023 Mercedes-Benz S580 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 10100 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 26 : 2021-2022 Mercedes-Benz AMG GLE53 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 5,546 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 8 Vehicle 27 : 2022-2022 Mercedes-Benz AMG GLE63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1 vehicle. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 28 : 2023-2023 Mercedes-Benz AMG SL43 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 3 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 29 : 2021-2023 Mercedes-Benz AMG GLE63 S Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1,925 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 30 : 2022-2023 Mercedes-Benz AMG SL63 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 1347 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 9 Vehicle 31 : 2021-2023 Mercedes-Benz AMG GLS63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1,072 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 32 : 2022-2023 Mercedes-Benz AMG GT43 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 1,230 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 33 : 2022-2023 Mercedes-Benz AMG GT53 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 1,525 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 34 : 2023-2023 Mercedes-Benz AMG GT63 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 5 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 10 Vehicle 35 : 2023-2023 Mercedes-Benz AMG GT63 S Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 2 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 36 : 2022-2023 Mercedes-Benz CLS450 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 767 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 37 : 2022-2023 Mercedes-Benz AMG SL55 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 921 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect :
Description of the Defect : Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2021-2023 GLE/GLS (167 platform), C-Class (205, 206 platform), E-Class (213 platform), S-Class (223 platform), SL (232 platform), E-Class Coupe/Convertible (238 platform), GLC (253 platform), CLS (257 platform), AMG GT 4-doors Coupe (290 platform) and G-Class (463 platform) vehicles, the fuel pump impeller might not meet current specifications in regards to material characteristics.
FMVSS 1 : NR The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 11 FMVSS 2 : NR
Description of the Safety Risk : As a consequence, the impeller might deform and therefore come into contact with the fuel pump housing, leading to a mechanical resistance. In some instances, this could lead to a shutdown of the fuel pump. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury.
Description of the Cause : Due to a deviation in the production process of a sub-supplier, certain fuel pump impellers might not meet the material requirements and thus certain batches of fuel delivery modules might not meet the durability requirements. Identification of Any Warning
that can Occur : Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice the engine running rough. Involved Components : Component Name 1 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A1674700394 Component Name 2 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A1674704500 Component Name 3 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A1674706900 Component Name 4 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2054702702 Component Name 5 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2054704900 The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 12 Component Name 6 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2054708501 Component Name 7 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2064700202 Component Name 8 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2064704401 Component Name 9 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2064704501 Component Name 10 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2234703301 Component Name 11 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2234709601 Component Name 12 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2324700000 The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 13 Component Name 13 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A4634705900 Supplier Identification : Component Manufacturer
Name : Hyundam Industrial Co., Ltd.
Address : 29, Yeongni-gil Yeongin-myeon, Asan-si, Chung Cheong Nam-Do Foreign States
Country : Korea, Democratic People’s Republic of Chronology :
In the beginning of June 2022, MBAG launched initial investigations based on individual field reports from outside the US alleging inconsistent power delivery. MBAG hypothesized that, the function of the fuel pump might have been impaired without having any initial indications in regards to common influencing factors on the field cases in this relation. In July 2022, MBAG began retrieving fuel pumps from affected vehicles in the field and analyzing them in coordination with the supplier. Over the next several months, MBAG conducted analyses of the material together with the supplier, as well as the production processes at the supplier and its sub-suppliers. Through the end of the year, MBAG conducted numerous and varied tests in coordination with its tier one supplier, including fuel swelling behavior, structural damage and notched impact resistance tests. In December 2022, these intensive analyses and tests identified an irregularity in individual raw material batches used for the suspect fuel pump impellers, sourced from a sub-supplier. Based on that determination, in January 2023, MBAG’s supplier of the suspect fuel pump started investigations to identify the potentially affected vehicle population by tracking the material flow within the multi-supplier chain from the raw material sub- supplier up to the fuel pump manufacturer. At the same time, the fuel pump supplier implemented several changes in its production process, including a replacement of the raw material supplier, changing the injection molding process at the injection molding supplier and implementing more quality controls within the supplier chain. Through May 2023, MBAG and its fuel pump supplier conducted further testing and analyses to identify potential influencing factors and determine potential consequences of material and process anomalies at different steps of the production process. Please see chronology supplement attached. The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445
Page 14
The information contained in this report was submitted pursuant to 49 CFR §573
Description of Remedy :
Description of Remedy Program : An authorized Mercedes-Benz dealership will replace the fuel delivery
module on the affected vehicles.
Pursuant to 49 C.F.R. § 577.11(e), MBUSA does not plan to provide notice about pre-notice reimbursement to owners since none of the involved vehicles would have been previously subject to the condition described and all remain covered under the new vehicle warranty How Remedy Component Differs from Recalled Component : Fuel pump impellers that meet the material requirements. Fuel DELIVERY UNIT A1674700394
Fuel DELIVERY UNIT A1674704500 Fuel DELIVERY UNIT A1674706900 Fuel DELIVERY UNIT A2054702702 Fuel DELIVERY UNIT A2054704900 Fuel DELIVERY UNIT A2054708501 Fuel DELIVERY UNIT A2064700202 Fuel DELIVERY UNIT A2064704401 Fuel DELIVERY UNIT A2064704501 Fuel DELIVERY UNIT A2234703301 Fuel DELIVERY UNIT A2234709601 Fuel DELIVERY UNIT A2324700000 Fuel DELIVERY UNIT A4634705900 Identify How/When Recall Condition was Corrected in Production : A change in the production process at suppliers ensures that this issue can no longer occur from May 01, 2023 onwards. Recall Schedule :
Description of Recall Schedule : Authorized Mercedes-Benz dealerships will be notified of the pending
voluntary recall campaign on July 3, 2023. Owners were notified of the voluntary recall campaign on August 18, 2023. A copy of all communications will be provided when available.
Planned Dealer Notification Date : JUL 03, 2023 – NR Planned Owner Notification Date : AUG 18, 2023 – NR
* NR – Not Reported
**************************************************************************************************************
OMB Control No.: 2127-0004
Part 573 Safety Recall Report 23V-445
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
Mercedes-Benz USA, LLC JUN 28, 2023 NHTSA Recall No. : 23V-445 Manufacturer Recall No. : NR Manufacturer Information :
Manufacturer Name : Mercedes-Benz USA, LLC Address : 13470 International Parkway
Jacksonville FL 32218
Company phone : 1-877-496-3691
Population :
Number of potentially involved : 143,551 Estimated percentage with defect : 99 %
Vehicle Information :
Vehicle 1 : 2021-2023 Mercedes-Benz C300 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 28,628 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2022-2023 Mercedes-Benz AMG SL55 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 921 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 23V-445 Page 2 Vehicle 3 : 2021-2023 Mercedes-Benz E350 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 5480 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 4 : 2022-2023 Mercedes-Benz E450 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 3290 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 5 : 2021-2023 Mercedes-Benz AMG C43 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : NR
Descriptive Information : 488 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 6 : 2021-2022 Mercedes-Benz G550 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 2547 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 3 Vehicle 7 : 2021-2021 Mercedes-Benz AMG C63 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 9 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 8 : 2021-2023 Mercedes-Benz GLC300 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 43257 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 9 : 2021-2023 Mercedes-Benz AMG C63 S Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 33 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 10 : 2022-2023 Mercedes-Benz AMG E53 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 1,231 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 4 Vehicle 11 : 2023-2023 Mercedes-Benz AMG E63 S Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 6 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 12 : 2021-2022 Mercedes-Benz GLE450 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 5583 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 13 : 2021-2021 Mercedes-Benz GLE580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 122 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 14 : 2021-2023 Mercedes-Benz GLS450 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 14485 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 5 Vehicle 15 : 2021-2023 Mercedes-Benz AMG G63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 4,549 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 16 : 2021-2023 Mercedes-Benz GLS580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 398 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 17 : 2022-2022 Mercedes-Benz AMG G63 4×4 Squared Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 47 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 18 : 2021-2023 Mercedes-Benz Maybach GLS600 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 543 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 6 Vehicle 19 : 2021-2023 Mercedes-Benz AMG GLC43 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 2,493 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 20 : 2021-2023 Mercedes-Benz Maybach S580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 441 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 21 : 2022-2023 Mercedes-Benz Maybach S680 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 60 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 22 : 2021-2021 Mercedes-Benz AMG GLC63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 43 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 7 Vehicle 23 : 2022-2023 Mercedes-Benz S500 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 5297 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 24 : 2021-2021 Mercedes-Benz AMG GLC63 S Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 74 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 25 : 2021-2023 Mercedes-Benz S580 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 10100 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 26 : 2021-2022 Mercedes-Benz AMG GLE53 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 5,546 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 8 Vehicle 27 : 2022-2022 Mercedes-Benz AMG GLE63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1 vehicle. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 28 : 2023-2023 Mercedes-Benz AMG SL43 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 3 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 29 : 2021-2023 Mercedes-Benz AMG GLE63 S Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1,925 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 30 : 2022-2023 Mercedes-Benz AMG SL63 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 1347 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 9 Vehicle 31 : 2021-2023 Mercedes-Benz AMG GLS63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1,072 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 32 : 2022-2023 Mercedes-Benz AMG GT43 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 1,230 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 33 : 2022-2023 Mercedes-Benz AMG GT53 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 1,525 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 34 : 2023-2023 Mercedes-Benz AMG GT63 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 5 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 10 Vehicle 35 : 2023-2023 Mercedes-Benz AMG GT63 S Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 2 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 36 : 2022-2023 Mercedes-Benz CLS450 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 767 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 37 : 2023-2023 Mercedes-Benz S580e Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : HYBRID ELECTRIC
Descriptive Information : 3 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect :
Description of the Defect : Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2021-2023 GLE/GLS (167 platform), C-Class (205, 206 platform), E-Class (213 platform), S-Class (223 platform), SL (232 platform), E-Class Coupe/Convertible (238 platform), GLC (253 platform), CLS (257 platform), AMG GT 4-doors Coupe (290 platform) and G-Class (463 platform) vehicles, the fuel pump impeller might not meet current specifications in regards to material characteristics.
FMVSS 1 : NR The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 11 FMVSS 2 : NR
Description of the Safety Risk : As a consequence, the impeller might deform and therefore come into contact with the fuel pump housing, leading to a mechanical resistance. In some instances, this could lead to a shutdown of the fuel pump. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury.
Description of the Cause : Due to a deviation in the production process of a sub-supplier, certain fuel pump impellers might not meet the material requirements and thus certain batches of fuel delivery modules might not meet the durability requirements. Identification of Any Warning
that can Occur : Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice the engine running rough. Involved Components : Component Name 1 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A1674700394 Component Name 2 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A1674704500 Component Name 3 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A1674706900 Component Name 4 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2054702702 Component Name 5 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2054704900 The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 12 Component Name 6 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2054708501 Component Name 7 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2064700202 Component Name 8 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2064704401 Component Name 9 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2064704501 Component Name 10 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2234703301 Component Name 11 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2234709601 Component Name 12 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2324700000 The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 13 Component Name 13 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A4634705900 Supplier Identification : Component Manufacturer
Name : Hyundam Industrial Co., Ltd.
Address : 29, Yeongni-gil Yeongin-myeon, Asan-si, Chung Cheong Nam-Do Foreign States
Country : Korea, Democratic People’s Republic of Chronology :
In the beginning of June 2022, MBAG launched initial investigations based on individual field reports from outside the US alleging inconsistent power delivery. MBAG hypothesized that, the function of the fuel pump might have been impaired without having any initial indications in regards to common influencing factors on the field cases in this relation. In July 2022, MBAG began retrieving fuel pumps from affected vehicles in the field and analyzing them in coordination with the supplier. Over the next several months, MBAG conducted analyses of the material together with the supplier, as well as the production processes at the supplier and its sub-suppliers. Through the end of the year, MBAG conducted numerous and varied tests in coordination with its tier one supplier, including fuel swelling behavior, structural damage and notched impact resistance tests. In December 2022, these intensive analyses and tests identified an irregularity in individual raw material batches used for the suspect fuel pump impellers, sourced from a sub-supplier. Based on that determination, in January 2023, MBAG’s supplier of the suspect fuel pump started investigations to identify the potentially affected vehicle population by tracking the material flow within the multi-supplier chain from the raw material sub- supplier up to the fuel pump manufacturer. At the same time, the fuel pump supplier implemented several changes in its production process, including a replacement of the raw material supplier, changing the injection molding process at the injection molding supplier and implementing more quality controls within the supplier chain. Through May 2023, MBAG and its fuel pump supplier conducted further testing and analyses to identify potential influencing factors and determine potential consequences of material and process anomalies at different steps of the production process. Please see chronology supplement attached. The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445
Page 14
The information contained in this report was submitted pursuant to 49 CFR §573
Description of Remedy :
Description of Remedy Program : An authorized Mercedes-Benz dealership will replace the fuel delivery
module on the affected vehicles.
Pursuant to 49 C.F.R. § 577.11(e), MBUSA does not plan to provide notice about pre-notice reimbursement to owners since none of the involved vehicles would have been previously subject to the condition described and all remain covered under the new vehicle warranty How Remedy Component Differs from Recalled Component : Fuel pump impellers that meet the material requirements. Fuel DELIVERY UNIT A1674700394
Fuel DELIVERY UNIT A1674704500 Fuel DELIVERY UNIT A1674706900 Fuel DELIVERY UNIT A2054702702 Fuel DELIVERY UNIT A2054704900 Fuel DELIVERY UNIT A2054708501 Fuel DELIVERY UNIT A2064700202 Fuel DELIVERY UNIT A2064704401 Fuel DELIVERY UNIT A2064704501 Fuel DELIVERY UNIT A2234703301 Fuel DELIVERY UNIT A2234709601 Fuel DELIVERY UNIT A2324700000 Fuel DELIVERY UNIT A4634705900 Identify How/When Recall Condition was Corrected in Production : A change in the production process at suppliers ensures that this issue can no longer occur from May 01, 2023 onwards. Recall Schedule :
Description of Recall Schedule : Authorized Mercedes-Benz dealerships will be notified of the pending
voluntary recall campaign on July 3, 2023. Owners will be notified of the voluntary recall campaign before August 25, 2023. A copy of all communications will be provided when available.
Planned Dealer Notification Date : JUL 03, 2023 – NR Planned Owner Notification Date : AUG 25, 2023 – NR
* NR – Not Reported
**************************************************************************************************************
OMB Control No.: 2127-0004
Part 573 Safety Recall Report 23V-445
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
Mercedes-Benz USA, LLC JUN 27, 2023 NHTSA Recall No. : 23V-445 Manufacturer Recall No. : NR Manufacturer Information :
Manufacturer Name : Mercedes-Benz USA, LLC Address : 13470 International Parkway
Jacksonville FL 32218
Company phone : 1-877-496-3691
Population :
Number of potentially involved : 143,554 Estimated percentage with defect : 99 %
Vehicle Information :
Vehicle 1 : 2021-2023 Mercedes-Benz C300 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 28,628 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2022-2023 Mercedes-Benz CLS450 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 767 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 23V-445 Page 2 Vehicle 3 : 2021-2023 Mercedes-Benz E350 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 5480 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 4 : 2022-2023 Mercedes-Benz E450 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 3290 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 5 : 2021-2023 Mercedes-Benz AMG C43 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : NR
Descriptive Information : 488 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 6 : 2021-2022 Mercedes-Benz G550 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 2547 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 3 Vehicle 7 : 2021-2021 Mercedes-Benz AMG C63 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 9 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 8 : 2021-2023 Mercedes-Benz GLC300 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 43257 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 9 : 2021-2023 Mercedes-Benz AMG C63 S Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 33 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 10 : 2022-2022 Mercedes-Benz GLE350e Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : HYBRID ELECTRIC
Descriptive Information : 1 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 4 Vehicle 11 : 2022-2023 Mercedes-Benz AMG E53 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 1,231 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 12 : 2023-2023 Mercedes-Benz AMG E63 S Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 6 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 13 : 2021-2022 Mercedes-Benz GLE450 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 5583 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 14 : 2021-2021 Mercedes-Benz GLE580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 122 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 5 Vehicle 15 : 2021-2023 Mercedes-Benz GLS450 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 14485 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 16 : 2021-2023 Mercedes-Benz AMG G63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 4,549 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 17 : 2021-2023 Mercedes-Benz GLS580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 398 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 18 : 2022-2022 Mercedes-Benz AMG G63 4×4 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 47 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 6 Vehicle 19 : 2021-2023 Mercedes-Benz Maybach GLS600 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 543 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 20 : 2021-2023 Mercedes-Benz AMG GLC43 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 2,493 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 21 : 2021-2023 Mercedes-Benz Maybach S580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 441 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 22 : 2022-2023 Mercedes-Benz Maybach S680 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 60 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 7 Vehicle 23 : 2021-2021 Mercedes-Benz AMG GLC63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 43 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 24 : 2022-2023 Mercedes-Benz S500 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 5297 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 25 : 2021-2023 Mercedes-Benz AMG GLC63 S Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 75 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 26 : 2021-2023 Mercedes-Benz S580 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 10100 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 8 Vehicle 27 : 2021-2022 Mercedes-Benz AMG GLE53 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 5,546 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 28 : 2023-2023 Mercedes-Benz S580e Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 3 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 29 : 2022-2022 Mercedes-Benz AMG GLE63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1 vehicle. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 30 : 2022-2023 Mercedes-Benz SL43 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 4 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 9 Vehicle 31 : 2021-2023 Mercedes-Benz AMG GLE63 S Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1,925 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 32 : 2022-2023 Mercedes-Benz AMG SL63 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 1347 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 33 : 2021-2023 Mercedes-Benz AMG GLS63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1,045 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 34 : 2021-2021 Mercedes-Benz AMG GLS63 S Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 27 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 10 Vehicle 35 : 2022-2023 Mercedes-Benz AMG GT43 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 1,230 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 36 : 2022-2023 Mercedes-Benz AMG GT53 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 1,525 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 37 : 2023-2023 Mercedes-Benz AMG GT63 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 5 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 38 : 2023-2023 Mercedes-Benz AMG GT63 S Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 2 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 11 Vehicle 39 : 2022-2023 Mercedes-Benz AMG SL55 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 921 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect :
Description of the Defect : Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2021-2023 GLE/GLS (167 platform), C-Class (205, 206 platform), E-Class (213 platform), S-Class (223 platform), SL (232 platform), E-Class Coupe/Convertible (238 platform), GLC (253 platform), CLS (257 platform), AMG GT 4-doors Coupe (290 platform) and G-Class (463 platform) vehicles, the fuel pump impeller might not meet current specifications in regards to material characteristics.
FMVSS 1 : NR FMVSS 2 : NR
Description of the Safety Risk : As a consequence, the impeller might deform and therefore come into contact with the fuel pump housing, leading to a mechanical resistance. In some instances, this could lead to a shutdown of the fuel pump. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury.
Description of the Cause : Due to a deviation in the production process of a sub-supplier, certain fuel pump impellers might not meet the material requirements and thus certain batches of fuel delivery modules might not meet the durability requirements. Identification of Any Warning
that can Occur : Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice the engine running rough. Involved Components : Component Name 1 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A1674700394 The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 12 Component Name 2 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A1674704500 Component Name 3 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A1674706900 Component Name 4 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2054702702 Component Name 5 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2054704900 Component Name 6 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2054708501 Component Name 7 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2064700202 Component Name 8 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2064704401 The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 13 Component Name 9 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2064704501 Component Name 10 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2234703301 Component Name 11 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2234709601 Component Name 12 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2324700000 Component Name 13 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A4634705900 Supplier Identification : Component Manufacturer
Name : Hyundam Industrial Co., Ltd.
Address : 29, Yeongni-gil Yeongin-myeon, Asan-si, Chung Cheong Nam-Do Foreign States
Country : Korea, Democratic People’s Republic of Chronology :
In the beginning of June 2022, MBAG launched initial investigations based on individual field reports from The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 14 outside the US alleging inconsistent power delivery. MBAG hypothesized that, the function of the fuel pump might have been impaired without having any initial indications in regards to common influencing factors on the field cases in this relation. In July 2022, MBAG began retrieving fuel pumps from affected vehicles in the field and analyzing them in coordination with the supplier. Over the next several months, MBAG conducted analyses of the material together with the supplier, as well as the production processes at the supplier and its sub-suppliers. Through the end of the year, MBAG conducted numerous and varied tests in coordination with its tier one supplier, including fuel swelling behavior, structural damage and notched impact resistance tests. In December 2022, these intensive analyses and tests identified an irregularity in individual raw material batches used for the suspect fuel pump impellers, sourced from a sub-supplier. Based on that determination, in January 2023, MBAG’s supplier of the suspect fuel pump started investigations to identify the potentially affected vehicle population by tracking the material flow within the multi-supplier chain from the raw material sub- supplier up to the fuel pump manufacturer. At the same time, the fuel pump supplier implemented several changes in its production process, including a replacement of the raw material supplier, changing the injection molding process at the injection molding supplier and implementing more quality controls within the supplier chain. Through May 2023, MBAG and its fuel pump supplier conducted further testing and analyses to identify potential influencing factors and determine potential consequences of material and process anomalies at different steps of the production process. Please see chronology supplement attached. Description of Remedy :
Description of Remedy Program : An authorized Mercedes-Benz dealership will replace the fuel delivery
module on the affected vehicles.
Pursuant to 49 C.F.R. § 577.11(e), MBUSA does not plan to provide notice about pre-notice reimbursement to owners since none of the involved vehicles would have been previously subject to the condition described and all remain covered under the new vehicle warranty How Remedy Component Differs from Recalled Component : Fuel pump impellers that meet the material requirements. Fuel DELIVERY UNIT A1674700394
Fuel DELIVERY UNIT A1674704500 Fuel DELIVERY UNIT A1674706900 Fuel DELIVERY UNIT A2054702702 Fuel DELIVERY UNIT A2054704900 Fuel DELIVERY UNIT A2054708501 Fuel DELIVERY UNIT A2064700202 Fuel DELIVERY UNIT A2064704401 Fuel DELIVERY UNIT A2064704501 Fuel DELIVERY UNIT A2234703301 Fuel DELIVERY UNIT A2234709601 Fuel DELIVERY UNIT A2324700000 Fuel DELIVERY UNIT A4634705900 Identify How/When Recall Condition was Corrected in Production : A change in the production process at suppliers ensures that this issue can no longer occur from May 01, 2023 onwards. The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445
Page 15
The information contained in this report was submitted pursuant to 49 CFR §573
Recall Schedule :
Description of Recall Schedule : Authorized Mercedes-Benz dealerships will be notified of the pending
voluntary recall campaign on July 3, 2023. Owners will be notified of the voluntary recall campaign before August 25, 2023. A copy of all communications will be provided when available.
Planned Dealer Notification Date : JUL 03, 2023 – NR Planned Owner Notification Date : AUG 25, 2023 – NR
* NR – Not Reported
**************************************************************************************************************
OMB Control No.: 2127-0004
Part 573 Safety Recall Report 23V-445
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
Mercedes-Benz USA, LLC DEC 29, 2023 NHTSA Recall No. : 23V-445 Manufacturer Recall No. : 2023070012 Manufacturer Information :
Manufacturer Name : Mercedes-Benz USA, LLC Address : 13470 International Parkway
Jacksonville FL 32218
Company phone : 1-877-496-3691
Population :
Number of potentially involved : 143,551 Estimated percentage with defect : 100 %
Vehicle Information :
Vehicle 1 : 2021-2023 Mercedes-Benz C300 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 28,628 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2022-2023 Mercedes-Benz AMG SL55 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 921 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 23V-445 Page 2 Vehicle 3 : 2021-2023 Mercedes-Benz E350 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 5,480 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 4 : 2022-2023 Mercedes-Benz E450 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 3,290 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 5 : 2021-2023 Mercedes-Benz AMG C43 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 488 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 6 : 2021-2023 Mercedes-Benz G550 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 2,547 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 3 Vehicle 7 : 2021-2021 Mercedes-Benz AMG C63 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 9 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 8 : 2021-2023 Mercedes-Benz GLC300 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 43,257 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 9 : 2021-2023 Mercedes-Benz AMG C63 S Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 33 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 10 : 2021-2023 Mercedes-Benz AMG E53 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 1,231 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 4 Vehicle 11 : 2023-2023 Mercedes-Benz AMG E63 S Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 6 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 12 : 2021-2023 Mercedes-Benz GLE450 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 5583 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 13 : 2021-2021 Mercedes-Benz GLE580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 122 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 14 : 2021-2023 Mercedes-Benz GLS450 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 14485 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 5 Vehicle 15 : 2021-2023 Mercedes-Benz AMG G63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 4,549 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 16 : 2021-2023 Mercedes-Benz GLS580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 398 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 17 : 2022-2022 Mercedes-Benz AMG G63 4×4 Squared Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 47 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 18 : 2021-2023 Mercedes-Benz Maybach GLS600 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 543 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 6 Vehicle 19 : 2021-2023 Mercedes-Benz AMG GLC43 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 2,493 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 20 : 2021-2023 Mercedes-Benz Maybach S580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 481 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 21 : 2022-2023 Mercedes-Benz Maybach S680 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 60 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 22 : 2021-2021 Mercedes-Benz AMG GLC63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 43 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 7 Vehicle 23 : 2022-2023 Mercedes-Benz S500 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 5297 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 24 : 2021-2021 Mercedes-Benz AMG GLC63 S Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 74 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 25 : 2021-2023 Mercedes-Benz S580 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 10100 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 26 : 2021-2023 Mercedes-Benz AMG GLE53 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 5,546 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 8 Vehicle 27 : 2022-2022 Mercedes-Benz AMG GLE63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1 vehicle. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 28 : 2023-2023 Mercedes-Benz AMG SL43 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 4 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 29 : 2021-2023 Mercedes-Benz AMG GLE63 S Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1,925 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 30 : 2022-2023 Mercedes-Benz AMG SL63 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 1347 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2023
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 9 Vehicle 31 : 2021-2023 Mercedes-Benz AMG GLS63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1,072 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 32 : 2022-2023 Mercedes-Benz AMG GT43 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 1,230 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 33 : 2022-2023 Mercedes-Benz AMG GT53 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 1525 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 34 : 2023-2023 Mercedes-Benz AMG GT63 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 5 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 10 Vehicle 35 : 2023-2023 Mercedes-Benz AMG GT63 S Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 2 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 36 : 2022-2023 Mercedes-Benz CLS450 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 767 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 37 : 2023-2023 Mercedes-Benz S580e Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : HYBRID ELECTRIC
Descriptive Information : 3 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect :
Description of the Defect : Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2021-2023 GLE/GLS (167 platform), C-Class (205, 206 platform), E-Class (213 platform), S-Class (223 platform), SL (232 platform), E-Class Coupe/Convertible (238 platform), GLC (253, 254 platform), CLS (257 platform), AMG GT 4-doors Coupe (290 platform) and G-Class (463 platform) vehicles, the fuel pump impeller might not meet current specifications in regards to material characteristics.
FMVSS 1 : NR The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 11 FMVSS 2 : NR
Description of the Safety Risk : As a consequence, the impeller might deform and therefore come into contact with the fuel pump housing, leading to a mechanical resistance. In some instances, this could lead to a shutdown of the fuel pump. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury.
Description of the Cause : Due to a deviation in the production process of a sub-supplier, certain fuel pump impellers might not meet the material requirements and thus certain batches of fuel delivery modules might not meet the durability requirements. Identification of Any Warning
that can Occur : Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice the engine running rough. Involved Components : Component Name 1 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A1674700394 Component Name 2 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A1674704500 Component Name 3 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A1674706900 Component Name 4 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2054702702 Component Name 5 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2054704900 The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 12 Component Name 6 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2054708501 Component Name 7 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2064700202 Component Name 8 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2064704401 Component Name 9 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2064704501 Component Name 10 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2234703301 Component Name 11 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2234709601 Component Name 12 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2324700000 The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 13 Component Name 13 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A4634705900 Component Name 14 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2544702300 Supplier Identification : Component Manufacturer
Name : Hyundam Industrial Co., Ltd.
Address : 29, Yeongni-gil Yeongin-myeon, Asan-si, Chung Cheong Nam-Do Foreign States
Country : Korea, Democratic People’s Republic of Chronology :
In the beginning of June 2022, MBAG launched initial investigations based on individual field reports from outside the US alleging inconsistent power delivery. MBAG hypothesized that, the function of the fuel pump might have been impaired without having any initial indications in regards to common influencing factors on the field cases in this relation. In July 2022, MBAG began retrieving fuel pumps from affected vehicles in the field and analyzing them in coordination with the supplier. Over the next several months, MBAG conducted analyses of the material together with the supplier, as well as the production processes at the supplier and its sub-suppliers. Through the end of the year, MBAG conducted numerous and varied tests in coordination with its tier one supplier, including fuel swelling behavior, structural damage and notched impact resistance tests. In December 2022, these intensive analyses and tests identified an irregularity in individual raw material batches used for the suspect fuel pump impellers, sourced from a sub-supplier. Based on that determination, in January 2023, MBAG’s supplier of the suspect fuel pump started investigations to identify the potentially affected vehicle population by tracking the material flow within the multi-supplier chain from the raw material sub- supplier up to the fuel pump manufacturer. At the same time, the fuel pump supplier implemented several changes in its production process, including a replacement of the raw material supplier, changing the injection molding process at the injection molding supplier and implementing more quality controls within the supplier chain. Through May 2023, MBAG and its fuel pump supplier conducted further testing and analyses to identify potential influencing factors and determine potential consequences of material and process anomalies at different steps of the production process. Please see updated chronology supplement attached. The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445
Page 14
The information contained in this report was submitted pursuant to 49 CFR §573
Description of Remedy :
Description of Remedy Program : An authorized Mercedes-Benz dealership will replace the fuel delivery
module on the affected vehicles.
Pursuant to 49 C.F.R. § 577.11(e), MBUSA does not plan to provide notice about pre-notice reimbursement to owners since none of the involved vehicles would have been previously subject to the condition described and all remain covered under the new vehicle warranty How Remedy Component Differs from Recalled Component : Fuel pump impellers that meet the material requirements. Fuel DELIVERY UNIT A1674700394
Fuel DELIVERY UNIT A1674704500 Fuel DELIVERY UNIT A1674706900 Fuel DELIVERY UNIT A2054702702 Fuel DELIVERY UNIT A2054704900 Fuel DELIVERY UNIT A2054708501 Fuel DELIVERY UNIT A2064700202 Fuel DELIVERY UNIT A2064704401 Fuel DELIVERY UNIT A2064704501 Fuel DELIVERY UNIT A2234703301 Fuel DELIVERY UNIT A2234709601 Fuel DELIVERY UNIT A2324700000 Fuel DELIVERY UNIT A4634705900 Fuel DELIVERY UNIT A2544702300 Identify How/When Recall Condition was Corrected in Production : A change in the production process at suppliers ensures that this issue can no longer occur from April 03, 2023 onwards. Recall Schedule :
Description of Recall Schedule : Authorized Mercedes-Benz dealerships will be notified of the pending
voluntary recall campaign on July 3, 2023 and on December 21, 2023 for the additional vehicles. Owners were notified of the voluntary recall campaign on August 18, 2023.Owners for the additional VINs will be notified of the voluntary recall campaign before February 13, 2024.
A copy of all communications will be provided when available.
Planned Dealer Notification Date : JUL 03, 2023 – NR Planned Owner Notification Date : AUG 18, 2023 – NR
* NR – Not Reported
**************************************************************************************************************
OMB Control No.: 2127-0004
Part 573 Safety Recall Report 23V-445
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
Mercedes-Benz USA, LLC AUG 18, 2023 NHTSA Recall No. : 23V-445 Manufacturer Recall No. : NR Manufacturer Information :
Manufacturer Name : Mercedes-Benz USA, LLC Address : 13470 International Parkway
Jacksonville FL 32218
Company phone : 1-877-496-3691
Population :
Number of potentially involved : 143,551 Estimated percentage with defect : 99 %
Vehicle Information :
Vehicle 1 : 2021-2023 Mercedes-Benz C300 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 28,628 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2022-2023 Mercedes-Benz AMG SL55 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 921 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 23V-445 Page 2 Vehicle 3 : 2021-2023 Mercedes-Benz E350 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 5480 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 4 : 2022-2023 Mercedes-Benz E450 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 3290 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 5 : 2021-2023 Mercedes-Benz AMG C43 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : NR
Descriptive Information : 488 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 6 : 2021-2022 Mercedes-Benz G550 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 2547 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 3 Vehicle 7 : 2021-2021 Mercedes-Benz AMG C63 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 9 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 8 : 2021-2023 Mercedes-Benz GLC300 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 43257 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 9 : 2021-2023 Mercedes-Benz AMG C63 S Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 33 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 10 : 2022-2023 Mercedes-Benz AMG E53 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 1,231 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 4 Vehicle 11 : 2023-2023 Mercedes-Benz AMG E63 S Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 6 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 12 : 2021-2022 Mercedes-Benz GLE450 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 5583 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 13 : 2021-2021 Mercedes-Benz GLE580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 122 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 14 : 2021-2023 Mercedes-Benz GLS450 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 14485 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 5 Vehicle 15 : 2021-2023 Mercedes-Benz AMG G63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 4,549 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 16 : 2021-2023 Mercedes-Benz GLS580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 398 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 17 : 2022-2022 Mercedes-Benz AMG G63 4×4 Squared Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 47 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 18 : 2021-2023 Mercedes-Benz Maybach GLS600 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 543 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 6 Vehicle 19 : 2021-2023 Mercedes-Benz AMG GLC43 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 2,493 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 20 : 2021-2023 Mercedes-Benz Maybach S580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 441 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 21 : 2022-2023 Mercedes-Benz Maybach S680 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 60 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 22 : 2021-2021 Mercedes-Benz AMG GLC63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 43 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 7 Vehicle 23 : 2022-2023 Mercedes-Benz S500 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 5297 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 24 : 2021-2021 Mercedes-Benz AMG GLC63 S Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 74 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 25 : 2021-2023 Mercedes-Benz S580 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 10100 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 26 : 2021-2022 Mercedes-Benz AMG GLE53 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 5,546 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 8 Vehicle 27 : 2022-2022 Mercedes-Benz AMG GLE63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1 vehicle. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 28 : 2023-2023 Mercedes-Benz AMG SL43 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 3 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 29 : 2021-2023 Mercedes-Benz AMG GLE63 S Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1,925 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 30 : 2022-2023 Mercedes-Benz AMG SL63 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 1347 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 9 Vehicle 31 : 2021-2023 Mercedes-Benz AMG GLS63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1,072 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 32 : 2022-2023 Mercedes-Benz AMG GT43 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 1,230 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 33 : 2022-2023 Mercedes-Benz AMG GT53 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 1,525 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 34 : 2023-2023 Mercedes-Benz AMG GT63 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 5 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 10 Vehicle 35 : 2023-2023 Mercedes-Benz AMG GT63 S Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 2 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 36 : 2022-2023 Mercedes-Benz CLS450 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 767 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 37 : 2023-2023 Mercedes-Benz S580e Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : HYBRID ELECTRIC
Descriptive Information : 3 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect :
Description of the Defect : Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2021-2023 GLE/GLS (167 platform), C-Class (205, 206 platform), E-Class (213 platform), S-Class (223 platform), SL (232 platform), E-Class Coupe/Convertible (238 platform), GLC (253 platform), CLS (257 platform), AMG GT 4-doors Coupe (290 platform) and G-Class (463 platform) vehicles, the fuel pump impeller might not meet current specifications in regards to material characteristics.
FMVSS 1 : NR The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 11 FMVSS 2 : NR
Description of the Safety Risk : As a consequence, the impeller might deform and therefore come into contact with the fuel pump housing, leading to a mechanical resistance. In some instances, this could lead to a shutdown of the fuel pump. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury.
Description of the Cause : Due to a deviation in the production process of a sub-supplier, certain fuel pump impellers might not meet the material requirements and thus certain batches of fuel delivery modules might not meet the durability requirements. Identification of Any Warning
that can Occur : Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice the engine running rough. Involved Components : Component Name 1 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A1674700394 Component Name 2 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A1674704500 Component Name 3 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A1674706900 Component Name 4 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2054702702 Component Name 5 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2054704900 The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 12 Component Name 6 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2054708501 Component Name 7 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2064700202 Component Name 8 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2064704401 Component Name 9 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2064704501 Component Name 10 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2234703301 Component Name 11 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2234709601 Component Name 12 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2324700000 The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 13 Component Name 13 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A4634705900 Supplier Identification : Component Manufacturer
Name : Hyundam Industrial Co., Ltd.
Address : 29, Yeongni-gil Yeongin-myeon, Asan-si, Chung Cheong Nam-Do Foreign States
Country : Korea, Democratic People’s Republic of Chronology :
In the beginning of June 2022, MBAG launched initial investigations based on individual field reports from outside the US alleging inconsistent power delivery. MBAG hypothesized that, the function of the fuel pump might have been impaired without having any initial indications in regards to common influencing factors on the field cases in this relation. In July 2022, MBAG began retrieving fuel pumps from affected vehicles in the field and analyzing them in coordination with the supplier. Over the next several months, MBAG conducted analyses of the material together with the supplier, as well as the production processes at the supplier and its sub-suppliers. Through the end of the year, MBAG conducted numerous and varied tests in coordination with its tier one supplier, including fuel swelling behavior, structural damage and notched impact resistance tests. In December 2022, these intensive analyses and tests identified an irregularity in individual raw material batches used for the suspect fuel pump impellers, sourced from a sub-supplier. Based on that determination, in January 2023, MBAG’s supplier of the suspect fuel pump started investigations to identify the potentially affected vehicle population by tracking the material flow within the multi-supplier chain from the raw material sub- supplier up to the fuel pump manufacturer. At the same time, the fuel pump supplier implemented several changes in its production process, including a replacement of the raw material supplier, changing the injection molding process at the injection molding supplier and implementing more quality controls within the supplier chain. Through May 2023, MBAG and its fuel pump supplier conducted further testing and analyses to identify potential influencing factors and determine potential consequences of material and process anomalies at different steps of the production process. Please see chronology supplement attached. The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445
Page 14
The information contained in this report was submitted pursuant to 49 CFR §573
Description of Remedy :
Description of Remedy Program : An authorized Mercedes-Benz dealership will replace the fuel delivery
module on the affected vehicles.
Pursuant to 49 C.F.R. § 577.11(e), MBUSA does not plan to provide notice about pre-notice reimbursement to owners since none of the involved vehicles would have been previously subject to the condition described and all remain covered under the new vehicle warranty How Remedy Component Differs from Recalled Component : Fuel pump impellers that meet the material requirements. Fuel DELIVERY UNIT A1674700394
Fuel DELIVERY UNIT A1674704500 Fuel DELIVERY UNIT A1674706900 Fuel DELIVERY UNIT A2054702702 Fuel DELIVERY UNIT A2054704900 Fuel DELIVERY UNIT A2054708501 Fuel DELIVERY UNIT A2064700202 Fuel DELIVERY UNIT A2064704401 Fuel DELIVERY UNIT A2064704501 Fuel DELIVERY UNIT A2234703301 Fuel DELIVERY UNIT A2234709601 Fuel DELIVERY UNIT A2324700000 Fuel DELIVERY UNIT A4634705900 Identify How/When Recall Condition was Corrected in Production : A change in the production process at suppliers ensures that this issue can no longer occur from May 01, 2023 onwards. Recall Schedule :
Description of Recall Schedule : Authorized Mercedes-Benz dealerships will be notified of the pending
voluntary recall campaign on July 3, 2023. Owners were notified of the voluntary recall campaign on August 18, 2023. A copy of all communications will be provided when available.
Planned Dealer Notification Date : JUL 03, 2023 – NR Planned Owner Notification Date : AUG 18, 2023 – NR
* NR – Not Reported
**************************************************************************************************************
Recall Campaign Launch Notification
Replace Fuel Pump Delivery Module – Wave 4
DATE: December 29, 2023
Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company
One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600
News Channel Update |
Vehicle Compliance & Analysis
IMPORTANT RECALL CAMPAIGN UPDATE
Please see the attached documents related to the campaign listed above.
Please note that all customer inquiries should be directed to the Customer Assistance Center at 1-800-FOR-MERCEDES.
Sincerely,
Gregory Gunther
Senior Manager, Vehicle Compliance & Analysis
TO: Mercedes-Benz Dealer Principals, General Managers,
Sales Managers, Service Managers, Parts Managers
FROM: Gregory Gunther, Senior Manager, Vehicle Compliance and Analysis, Engineering Services
RE: Recall Campaign Launch Notification
Replace Fuel Pump Delivery Module – Wave 4 MY21-23 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238,
257, 223, 232, 290, 253, 167 and 463 platforms)
DATE: December 29, 2023 News Channel Update | Vehicle Compliance & Analysis
Recall Campaign Launch Notification December 29, 2023
Campaign No. : NHTSA ID : Campaign Desc. : Replace Fuel Pump Delivery 2023070012 23V445 23P4790205 Module – Wave 4 This is to notify you of the Recall Campaign Launch to replace the fuel pump delivery module on 138,993 Model Year (“MY”) 2021-2023 C- Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles. The recall campaign will be visible on the www.NHTSA.gov website and may generate questions from customers. Vehicles for Wave 1 were flagged in VMI as “OPEN” on September 15, 2023. An additional 29,640 vehicles for Wave 2 were flagged as “OPEN” on October 27, 2023. An additional 30,775 vehicles for Wave 3 were flagged as “OPEN” on November 17, 2023. An additional 25,564 vehicles for Wave 4 will be flagged as “OPEN” on December 29, 2023.
Background
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles, the fuel pump impeller might not meet current specifications in regard to material characteristics. As a Issue What We’re Doing
Parts consequence, the impeller might deform and then contact the fuel pump housing and result in mechanical resistance on the impeller. In some instances, this could cause the fuel pump to stop operating. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury. Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice a roughly running engine.
MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will replace the fuel pump delivery module on the affected vehicles.
The remedy is available and can be performed.
Vehicles Affected Vehicle Model Year(s) Vehicle Model Total Recall Population
Total Vehicles in Dealer Inventory 2021-2023
C-Class, CLS, E-Class, G-Class, GLC, GLE, GLS, GT, S-Class, and SL
Vehicle Populations
53,014 (Wave 1) + 29,640 (Wave 2) + 30,775 (Wave 3) + 25,564 (Wave 4)
679 Given this notice, it is a violation of Federal law for a dealer to sell or lease any new vehicles in dealer inventory covered by this notification until the vehicle has been repaired. Once the remedy is available, the vehicles will be flagged as “OPEN” and Work Instructions will be available in NetStar VMI and Xentry Portal. Once the repair is complete, the vehicle may be sold or leased.
Loaner and demonstrator vehicles may continue to be driven, but must not be retailed until repaired. As a matter of normal service process, please check for other repair measures which might be applicable to the vehicle(s).
Additionally, given this notice, it is a violation of Federal Law for car rental companies to rent new vehicles covered by this notification until the vehicle has been repaired.
Next Steps/Notes
Customer letters for Wave 1 were mailed on September 29, 2023. Customer Notification Timeline AOMS/SOMS
Rental Fleet Partners Customer Reimbursement Customer letters for Wave 2 were mailed on November 10, 2023. Customer letters for Wave 3 were mailed on December 1, 2023.
Customer letters for Wave 4 will be mailed on approximately January 12, 2023.
AOMs – This recall may generate questions from your dealers. Please forward this notice to your dealers ASAP.
This recall may affect vehicles in your fleet. Please contact your respective MBUSA fleet representative for further information and next steps. For repairs, please contact your preferred MBUSA dealer.
Customer reimbursement is not being offered for this campaign. While we regret any inconvenience this may cause, MBUSA is determined to maintain a high level of vehicle quality and customer satisfaction. Please refer all customer inquiries to the Customer Assistance Center at 1-800-FOR-MERCEDES. Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company
One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600 2 Campaign No. 2023070012, September 2023 Revision B 01/26/2024 TO: ALL MERCEDES-BENZ CENTERS SUBJECT: Model Various Models
Model Year 2021-2023 Replace Fuel Pump Delivery Module Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles, the fuel pump impeller might not meet current specifications in regards to material characteristics. As a consequence, the impeller might deform and then contact the fuel pump housing and result in mechanical resistance on the impeller. In some instances, this could cause the fuel pump to stop operating. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury. Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice a roughly running engine. An authorized Mercedes-Benz dealer will replace the fuel pump delivery module on the affected vehicles. Prior to performing this Campaign:
• VMI must be checked before performing campaigns to verify that the campaign is required on a specific vehicle. Always check for any other open campaigns, and perform accordingly.
• Please review the entire Campaign bulletin and follow the repair procedure exactly as described. Approximately 138,993 vehicles are affected. Order No. P-RC-2023070012 2 Replace Fuel Pump Delivery Module Work Procedure The fuel tank may only be filled up to a maximum of 20%. This corresponds to two lines (A) on the fuel display (Figure 1). Figure 1(shown on model 205) P-RC-2023070012 3 1. Replace fuel pump.
For basic data, see AR47.20-P-5710*.
* Select the WIS document according to the vehicle model.
No quick test has to be performed.
Only model 206, 232: Note on disassembly of suction jet pump drive line quick connector.
The procedure step 1-3 should only be performed when the quick disconnect is not working (Figure 2). Figure 2 Only for model 167
Contrary to the WIS document (AR88.60-P-2001ME – Remove/install tank filler recess), the
tank filler recess must not be removed. Disconnecting the hose lines at the activated charcoal canister and the sealing bellows on the inside at the tank filler recess is sufficient. P-RC-2023070012 4 Installation: Delivery modules that are delivered without float-and-lever sensor must be modified. (Figure 3-5) Figure 3 (release corresponding connector and disconnect the contacts) Figure 4 (remove lines from routing clip) Figure 5 (using a screwdriver, carefully push float-and-lever
sensor housing away from module housing and at the same time push float-and-lever sensor housing upwards.) 2. Assemble in reverse order. P-RC-2023070012 5 Primary Parts Information If one of the following part numbers (column 1) was determined via the vehicle identification number in the parts process, the delivery module with the item number (column 2) should be ordered and installed!
If, due to the availability of parts, the determined delivery module from column 2 is not available, the part number from column 1 can be ordered.
The difference between the delivery module column 1 (delivery module with float-and-lever sensor) and column 2 (delivery module without float-and-lever sensor) is the delivery condition if supplied with or without float-and-lever sensor.
If a delivery module from column 2 is delivered, proceed as per the operation item “12-1759”.
If the required parts number determined in the XENTRY parts process is not listed in column 1, this must be ordered in accordance with the XENTRY parts process. Column 1
Part number determined via the vehicle identification number in the parts process
* If the part number has 12 digits, the last two digits can be ignored and the part from column 2 must be ordered!
A 167 470 03 94 /*
A 167 470 45 00 /*
A 167 470 69 00 /*
A 205 470 27 02 /*
A 205 470 49 00 /*
A 205 470 85 01 /* Column 2 Order delivery module without float-and-lever sensor and install A 167 470 07 06
A 167 470 06 06
A 167 470 05 06
A 205 470 52 03
A 205 470 51 03
A 205 470 50 03 The fuel pump locking ring is not required to be replaced and will not be covered under warranty. Qty.
1 Delivery unit in right fuel tank Part Name Part Number
* 1
6
As required As required
1 3
3 O-RING between delivery unit and fuel tank *
Cap bolt, propeller shaft to transfer case *
(model 167)
Cap bolt, propeller shaft to rear axle (model 167) *
Cap bolt, flex disk to rear propeller shaft (model 167) * Bolt and washer assembly, rear axle carrier to rear frame floor assembly * (model 167)
MOUNTING PLATE PARTS KIT propeller shaft to transmission * (model 463)
MOUNTING PLATE PARTS KIT propeller shaft to rear axle (model 463) * * The replacement parts must be determined according to the equipment variant for the vehicle identification number via the parts process in the Xentry Portal. Small parts such as screws, lock nuts, sealing rings, cable ties, fluids, sealant, etc. are not listed in the parts list. The required small parts are taken into account in the budgeting. P-RC-2023070012 6
P-RC-2023070012
Note: The following allowable labor operation should be used when submitting a warranty claim for this repair:
Warranty Information Damage Code Operation Number Description Labor Time (hrs.)
47 902 05
12-1754 Replace fuel delivery module
0.7 12-1754 12-1754 12-1754 12-1947 Model 205, 206, 213, 232, 238, 253, 257, 290
Replace fuel delivery module Model 223
Replace fuel delivery module Model 167
Includes: Remove fuel tank Replace fuel pump (after check) Model 463
Includes: Remove fuel tank
Extra work for: Remove fuel tank for vehicles with code M036 (ONLY 167 model) 0.8 5.6 4.0 1.3 r sensor at fuel delivery module (after check)
12-1759 Only if fuel pump is delivered without float-and-lever sensor 0.1
02-9736*
02-0725*
02-0727
Operations: Empty, fill fuel tank
Operations: Put fuel tank and fuel in storage; observe accident prevention regulations
Operations: Extract fuel vapors (when working on the fuel system)
ZM ZM 0.1 * The operation items may only be invoiced if the fill level of the fuel tank is above 20%. Note: Always check Xentry Operation Time (XOT) for the current OP-Code times. Labor times are subject to change ot be reflected in this document.
**************************************************************************************************************
January, 2024
This notice applies to your vehicle, VIN:
Replace Fuel Pump Delivery Module
MBUSA ID: 2023070012, NHTSA Recall ID: 23V445
• The remedy is now available for your vehicle.
• Schedule an appointment with your aut horized
Mercedes-Benz dealer as soon as possible,
• This repair will be provided FREE of charge,
Dear Mercedes-Benz Owner:
This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act.
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has decided that a defect which relates to
motor vehicle safety exists in certain model year (“MY”) 2021 – 2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE,
GLS and G-Class vehicles. Our records indicate that your vehicle is included in the affected population.
~
What is the issue?
The fuel pump impeller might not meet current specifications in regards to its material characteristics. As a
consequence, the impeller might deform and therefore contact the fuel pump housing and result in
mechanical resistance on the impeller.This could cause the fuel pump to stop operating. As a result, the
vehicle could lose drive power, which could increase the risk of crash or injury. Before the fuel pump is
switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster
and might notice a roughly running engine.
What will your Mercedes-Benz Dealer do?
An authorized Mercedes-Benz dealer will replace the fuel pump delivery module. This vehicle repair will
be provided at no cost to you. While the repair t ime can be between 1 to 6 hours, your dealer can
provide you with a better estimate of the overall time for this visit. As a matter of normal service process,
an authorized Mercedes-Benz dealer will also check for other repair measures that might be applicable to
your vehicle, which may increase the required working time. You will not be charged for other services or
repairs unless so requested.
Steps to take.
• Find your nearest authorized Mercedes-Benz dealer at mbusa.com/ recall to schedule your recall
repair.
• Please mention you are scheduling an appointment for Mercedes-Benz Recall Campaign 2023070012.
• You may be asked for your VIN, which for your conven ience is located at the top of this letter.
We apologize for any inconvenience this may have caused and look forward to taking care of this important safety recall
immediately.
Sincerely,
Mercedes-Benz USA
What if I no longer own or drive the vehicle or would like to update my contact information?
In the event you need to update your contact information or have updates concerning the vehicle,
please visit mbusa.com/recall (or scan the QR Code to the left) and submit your VIN using the VIN
recall lookup tool and fill out the “Recall Contact Information” section on the website. If possible,
• please provide any contact information of the current owner/driver so we can contact them.
Additional Information for Owners:
A VIN-based recall lookup tool is available at mbusa.com/ recall, which can be used to check whether a vehicle has been
subject to a safety recall, or had the remedy performed. Should you have any questions or encounter any difficulty
regarding this Recall Campaign, please contact an authorized Mercedes-Benz dealer.
Should an authorized Mercedes-Benz dealer be unable to address your concerns please contact us at 1-(800) FORMERCEDES
( 1-800-367-6372). We are always happy to hear from you.
If this is a leased vehicle and the lessor and registered owner receive this notice, please forward this information by first
class mail to the lessee within 10 business days to comply with Federal Regulations.
If an authorized Mercedes-Benz dealer for any reason is unable to remedy the situation without charge, or within a
reasonable amount of time, Pursuant to law 49 U.S.C. Chapter 301, you may submit a complaint to the Administrator,
National Highway Traffic Safety Administration, 1200 New Jersey Avenue, S.E., Washington, D.C. 20590 or call the tollfree
Auto Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9 153); or go to https://www.safercar.gov.
**************************************************************************************************************
Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company
One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600
News Channel Update | Vehicle Compliance & Analysis
IMPORTANT RECALL CAMPAIGN UPDATE
Please see the attached documents related to the campaign listed above.
Please note that all customer inquiries should be directed to the Customer Assistance Center at 1-800-FOR-MERCEDES.
Sincerely,
Gregory Gunther
Senior Manager, Vehicle Compliance & Analysis
TO: Mercedes-Benz Dealer Principals, General Managers, Sales Managers, Service Managers, Parts Managers
FROM: Gregory Gunther, Senior Manager, Vehicle Compliance and Analysis, Engineering Services
RE: Recall Campaign Launch Notification
Replace Fuel Pump Delivery Module – Wave 4
MY21-23 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms)
DATE: December 29, 2023
Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company
One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600
News Channel Update | Vehicle Compliance & Analysis
Recall Campaign Launch Notification December 29, 2023
Campaign No. :
NHTSA ID :
Campaign Desc. :
Replace Fuel Pump Delivery
Module – Wave 4
2023070012
23V445
23P4790205
This is to notify you of the Recall Campaign Launch to replace the fuel pump delivery module on 138,993 Model Year (“MY”) 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles. The recall campaign will be visible on the www.NHTSA.gov website and may generate questions from customers. Vehicles for Wave 1 were flagged in VMI as “OPEN” on September 15, 2023. An additional 29,640 vehicles for Wave 2 were flagged as “OPEN” on October 27, 2023. An additional 30,775 vehicles for Wave 3 were flagged as “OPEN” on November 17, 2023. An additional 25,564 vehicles for Wave 4 will be flagged as “OPEN” on December 29, 2023.
Background
Issue
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles, the fuel pump impeller might not meet current specifications in regard to material characteristics. As a consequence, the impeller might deform and then contact the fuel pump housing and result in mechanical resistance on the impeller. In some instances, this could cause the fuel pump to stop operating. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury. Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice a roughly running engine.
What We’re Doing
MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will replace the fuel pump delivery module on the affected vehicles. Parts The remedy is available and can be performed.
Vehicles Affected
Vehicle Model Year(s)
2021-2023
Vehicle Model
C-Class, CLS, E-Class, G-Class, GLC, GLE, GLS, GT, S-Class, and SL
Vehicle Populations
Total Recall Population
53,014 (Wave 1) + 29,640 (Wave 2) + 30,775 (Wave 3) + 25,564 (Wave 4)
Total Vehicles in Dealer Inventory
679
Given this notice, it is a violation of Federal law for a dealer to sell or lease any new vehicles in dealer inventory covered by this notification until the vehicle has been repaired. Once the remedy is available, the vehicles will be flagged as “OPEN” and Work Instructions will be available in NetStar VMI and Xentry Portal. Once the repair is complete, the vehicle may be sold or leased.
Loaner and demonstrator vehicles may continue to be driven, but must not be retailed until repaired. As a matter of normal service process, please check for other repair measures which might be applicable to the vehicle(s).
Additionally, given this notice, it is a violation of Federal Law for car rental companies to rent new vehicles covered by this notification until the vehicle has been repaired.
Next Steps/Notes
Customer Notification Timeline
Customer letters for Wave 1 were mailed on September 29, 2023.
Customer letters for Wave 2 were mailed on November 10, 2023.
Customer letters for Wave 3 were mailed on December 1, 2023.
Customer letters for Wave 4 will be mailed on approximately January 12, 2023.
AOMS/SOMS
AOMs – This recall may generate questions from your dealers. Please forward this notice to your dealers ASAP.
Rental Fleet Partners
This recall may affect vehicles in your fleet. Please contact your respective MBUSA fleet representative for further information and next steps. For repairs, please contact your preferred MBUSA dealer.
Customer Reimbursement
Customer reimbursement is not being offered for this campaign.
While we regret any inconvenience this may cause, MBUSA is determined to maintain a high level of vehicle quality and customer satisfaction. Please refer all customer inquiries to the Customer Assistance Center at 1-800-FOR-MERCEDES.
2
Campaign No. 2023070012, September 2023 Revision B 01/26/2024
TO: ALL MERCEDES-BENZ CENTERS
SUBJECT: Model Various Models
Model Year 2021-2023
Replace Fuel Pump Delivery Module
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-2023 C-Class, E-Class, CLS, S-Class, SL, GT, GLC, GLE, GLS and G-Class (205/206, 213/238, 257, 223, 232, 290, 253, 167 and 463 platforms) vehicles, the fuel pump impeller might not meet current specifications in regards to material characteristics. As a consequence, the impeller might deform and then contact the fuel pump housing and result in mechanical resistance on the impeller. In some instances, this could cause the fuel pump to stop operating. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury. Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice a roughly running engine. An authorized Mercedes-Benz dealer will replace the fuel pump delivery module on the affected vehicles.
Prior to performing this Campaign:
•VMI must be checked before performing campaigns to verify that the campaign is required ona specific vehicle. Always check for any other open campaigns, and perform accordingly.
•Please review the entire Campaign bulletin and follow the repair procedure exactly asdescribed.
Approximately 138,993 vehicles are affected.
Order No. P-RC-2023070012
2
P-RC-2023070012
Replace Fuel Pump Delivery Module
Work Procedure
The fuel tank may only be filled up to a maximum of 20%.
This corresponds to two lines (A) on the fuel display (Figure 1).
Figure 1(shown on model 205)
3
P-RC-2023070012
1. Replace fuel pump.
For basic data, see AR47.20-P-5710*. * Select the WIS document according to the vehicle model.
No quick test has to be performed.
Only model 206, 232: Note on disassembly of suction jet pump drive line quick connector.
The procedure step 1-3 should only be performed when the quick disconnect is not working (Figure 2).
Figure 2
Only for model 167
Contrary to the WIS document (AR88.60-P-2001ME – Remove/install tank filler recess), the
tank filler recess must not be removed. Disconnecting the hose lines at the activated charcoal canister and the sealing bellows on the inside at the tank filler recess is sufficient.
4
P-RC-2023070012
Installation:
Delivery modules that are delivered without float-and-lever sensor must be modified. (Figure 3-5)
Figure 3 (release corresponding connector and disconnect the contacts)
Figure 4 (remove lines from routing clip) Figure 5 (using a screwdriver, carefully push float-and-lever sensor housing away from module housing and at the same time push float-and-lever sensor housing upwards.)
2. Assemble in reverse order.
__________________________________________________________________________________________________
5
P-RC-2023070012
Primary Parts Information
If one of the following part numbers (column 1) was determined via the vehicle identification number in the parts process, the delivery module with the item number (column 2) should be ordered and installed!
If, due to the availability of parts, the determined delivery module from column 2 is not available, the part number from column 1 can be ordered.
The difference between the delivery module column 1 (delivery module with float-and-lever sensor) and column 2 (delivery module without float-and-lever sensor) is the delivery condition if supplied with or without float-and-lever sensor.
If a delivery module from column 2 is delivered, proceed as per the operation item “12-1759”.
If the required parts number determined in the XENTRY parts process is not listed in column 1, this must be ordered in accordance with the XENTRY parts process.
Column 1
Column 2
Part number determined via the vehicle identification number in the parts process
* If the part number has 12 digits, the last two digits can be ignored and the part from column 2 must be ordered!
Order delivery module without float-and-lever sensor and install
A 167 470 03 94 /*
A 167 470 07 06
A 167 470 45 00 /*
A 167 470 06 06
A 167 470 69 00 /*
A 167 470 05 06
A 205 470 27 02 /*
A 205 470 52 03
A 205 470 49 00 /*
A 205 470 51 03
A 205 470 85 01 /*
A 205 470 50 03
The fuel pump locking ring is not required to be replaced and will not be covered under warranty.
Qty. Part Name Part Number
1
Delivery unit in right fuel tank
*
1
O-RING between delivery unit and fuel tank
*
6
Cap bolt, propeller shaft to transfer case
(model 167)
*
As required
Cap bolt, propeller shaft to rear axle (model 167)
*
As required
Cap bolt, flex disk to rear propeller shaft (model 167)
*
1
Bolt and washer assembly, rear axle carrier to rear frame floor assembly
(model 167)
*
3
MOUNTING PLATE PARTS KIT propeller shaft to transmission
(model 463)
*
3
MOUNTING PLATE PARTS KIT propeller shaft to rear axle (model 463)
*
* The replacement parts must be determined according to the equipment variant for the vehicle identification number via the parts process in the Xentry Portal.
Small parts such as screws, lock nuts, sealing rings, cable ties, fluids, sealant, etc. are not listed in the parts list. The required small parts are taken into account in the budgeting.
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6
P-RC-2023070012
Note: The following allowable labor operation should be used when submitting a warranty claim for this repair:
Warranty Information
Damage Code Operation Number Description Labor Time (hrs.)
47 902 05
12-1754
Replace fuel delivery module
Model 205, 206, 213, 232, 238, 253, 257, 290
0.7
12-1754
Replace fuel delivery module
Model 223
0.8
12-1754
Replace fuel delivery module
Model 167
Includes: Remove fuel tank
5.6
12-1754
Replace fuel pump (after check)
Model 463
Includes: Remove fuel tank
4.0 12-1947 Extra work for: Remove fuel tank for vehicles with code M036 (ONLY 167 model) 1.3
12-1759
Modify float-and-lever sensor at fuel delivery module (after check)
Only if fuel pump is delivered without float-and-lever sensor
0.1
02-9736*
Operations: Empty, fill fuel tank
ZM
02-0725*
Operations: Put fuel tank and fuel in storage; observe accident prevention regulations
ZM
02-0727
Operations: Extract fuel vapors (when working on the fuel system)
0.1
* The operation items may only be invoiced if the fill level of the fuel tank is above 20%.
Note: Always check Xentry Operation Time (XOT) for the current OP-Code times. Labor times are subject to change and updates may not be reflected in this document.
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OMB Control No.: 2127-0004
Part 573 Safety Recall Report 23V-445
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
Mercedes-Benz USA, LLC JAN 19, 2024 NHTSA Recall No. : 23V-445 Manufacturer Recall No. : 2023070012 Manufacturer Information :
Manufacturer Name : Mercedes-Benz USA, LLC Address : 13470 International Parkway
Jacksonville FL 32218
Company phone : 1-877-496-3691
Population :
Number of potentially involved : 143,551 Estimated percentage with defect : 100 %
Vehicle Information :
Vehicle 1 : 2021-2023 Mercedes-Benz C300 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 28,628 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2023-2023 Mercedes-Benz S580e Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : HYBRID ELECTRIC
Descriptive Information : 3 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 23V-445 Page 2 Vehicle 3 : 2021-2023 Mercedes-Benz E350 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 5,480 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 4 : 2022-2023 Mercedes-Benz E450 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 3,290 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 5 : 2021-2023 Mercedes-Benz AMG C43 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 488 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 6 : 2021-2023 Mercedes-Benz G550 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 2,547 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements.
Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 3 Vehicle 7 : 2021-2021 Mercedes-Benz AMG C63 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 9 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 8 : 2021-2023 Mercedes-Benz GLC300 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 43,257 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 9 : 2021-2023 Mercedes-Benz AMG C63 S Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 33 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 10 : 2021-2023 Mercedes-Benz AMG E53 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 1,231 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 4 Vehicle 11 : 2023-2023 Mercedes-Benz AMG E63 S Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 6 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 12 : 2021-2023 Mercedes-Benz GLE450 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 5583 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 13 : 2021-2021 Mercedes-Benz GLE580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 122 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 14 : 2021-2023 Mercedes-Benz GLS450 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 14485 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 5 Vehicle 15 : 2021-2023 Mercedes-Benz AMG G63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 4,549 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 16 : 2021-2023 Mercedes-Benz GLS580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 398 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 17 : 2022-2022 Mercedes-Benz AMG G63 4×4 Squared Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 47 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 18 : 2021-2023 Mercedes-Benz Maybach GLS600 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 543 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 6 Vehicle 19 : 2021-2023 Mercedes-Benz AMG GLC43 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 2,493 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 20 : 2021-2023 Mercedes-Benz Maybach S580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 481 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 21 : 2022-2023 Mercedes-Benz Maybach S680 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 60 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 22 : 2021-2021 Mercedes-Benz AMG GLC63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 43 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 7 Vehicle 23 : 2022-2023 Mercedes-Benz S500 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 5297 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 24 : 2021-2021 Mercedes-Benz AMG GLC63 S Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 74 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 25 : 2021-2023 Mercedes-Benz S580 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 10100 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 26 : 2021-2023 Mercedes-Benz AMG GLE53 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 5,546 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 8 Vehicle 27 : 2022-2022 Mercedes-Benz AMG GLE63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1 vehicle. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 28 : 2023-2023 Mercedes-Benz AMG SL43 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 4 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 29 : 2021-2023 Mercedes-Benz AMG GLE63 S Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1,925 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 30 : 2022-2023 Mercedes-Benz AMG SL63 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 1347 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2023
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 9 Vehicle 31 : 2021-2023 Mercedes-Benz AMG GLS63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1,072 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 32 : 2022-2023 Mercedes-Benz AMG GT43 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 1,230 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 33 : 2022-2023 Mercedes-Benz AMG GT53 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 1525 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 34 : 2023-2023 Mercedes-Benz AMG GT63 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 5 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 10 Vehicle 35 : 2023-2023 Mercedes-Benz AMG GT63 S Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 2 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 36 : 2022-2023 Mercedes-Benz CLS450 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS
Descriptive Information : 767 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 37 : 2022-2023 Mercedes-Benz AMG SL55 Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS
Descriptive Information : 921 vehicles. The recall population was determined through production records.
Vehicles outside of the recall population have the installed fuel pump impellers that meet the material requirements. Production Dates : JUN 01, 2021 – NOV 30, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect :
Description of the Defect : Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2021-2023 GLE/GLS (167 platform), C-Class (205, 206 platform), E-Class (213 platform), S-Class (223 platform), SL (232 platform), E-Class Coupe/Convertible (238 platform), GLC (253, 254 platform), CLS (257 platform), AMG GT 4-doors Coupe (290 platform) and G-Class (463 platform) vehicles, the fuel pump impeller might not meet current specifications in regards to material characteristics.
FMVSS 1 : NR The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 11 FMVSS 2 : NR
Description of the Safety Risk : As a consequence, the impeller might deform and therefore come into contact with the fuel pump housing, leading to a mechanical resistance. In some instances, this could lead to a shutdown of the fuel pump. As a result, the vehicle could lose propulsion, which could increase the risk of crash or injury.
Description of the Cause : Due to a deviation in the production process of a sub-supplier, certain fuel pump impellers might not meet the material requirements and thus certain batches of fuel delivery modules might not meet the durability requirements. Identification of Any Warning
that can Occur : Before the fuel pump is switched off, the driver may be made aware of a malfunction by a warning message in the instrument cluster and might notice the engine running rough. Involved Components : Component Name 1 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A1674700394 Component Name 2 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A1674704500 Component Name 3 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A1674706900 Component Name 4 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2054702702 Component Name 5 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2054704900 The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 12 Component Name 6 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2054708501 Component Name 7 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2064700202 Component Name 8 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2064704401 Component Name 9 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2064704501 Component Name 10 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2234703301 Component Name 11 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2234709601 Component Name 12 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2324700000 The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445 Page 13 Component Name 13 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A4634705900 Component Name 14 : Fuel Delivery Unit Component Description : Fuel Delivery Unit Component Part Number : A2544702300 Supplier Identification : Component Manufacturer
Name : Hyundam Industrial Co., Ltd.
Address : 29, Yeongni-gil Yeongin-myeon, Asan-si, Chung Cheong Nam-Do Foreign States
Country : Korea, Democratic People’s Republic of Chronology :
In the beginning of June 2022, MBAG launched initial investigations based on individual field reports from outside the US alleging inconsistent power delivery. MBAG hypothesized that, the function of the fuel pump might have been impaired without having any initial indications in regards to common influencing factors on the field cases in this relation. In July 2022, MBAG began retrieving fuel pumps from affected vehicles in the field and analyzing them in coordination with the supplier. Over the next several months, MBAG conducted analyses of the material together with the supplier, as well as the production processes at the supplier and its sub-suppliers. Through the end of the year, MBAG conducted numerous and varied tests in coordination with its tier one supplier, including fuel swelling behavior, structural damage and notched impact resistance tests. In December 2022, these intensive analyses and tests identified an irregularity in individual raw material batches used for the suspect fuel pump impellers, sourced from a sub-supplier. Based on that determination, in January 2023, MBAG’s supplier of the suspect fuel pump started investigations to identify the potentially affected vehicle population by tracking the material flow within the multi-supplier chain from the raw material sub- supplier up to the fuel pump manufacturer. At the same time, the fuel pump supplier implemented several changes in its production process, including a replacement of the raw material supplier, changing the injection molding process at the injection molding supplier and implementing more quality controls within the supplier chain. Through May 2023, MBAG and its fuel pump supplier conducted further testing and analyses to identify potential influencing factors and determine potential consequences of material and process anomalies at different steps of the production process. Please see updated chronology supplement attached. The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-445
Page 14
The information contained in this report was submitted pursuant to 49 CFR §573
Description of Remedy :
Description of Remedy Program : An authorized Mercedes-Benz dealership will replace the fuel delivery
module on the affected vehicles.
Pursuant to 49 C.F.R. § 577.11(e), MBUSA does not plan to provide notice about pre-notice reimbursement to owners since none of the involved vehicles would have been previously subject to the condition described and all remain covered under the new vehicle warranty How Remedy Component Differs from Recalled Component : Fuel pump impellers that meet the material requirements. Fuel DELIVERY UNIT A1674700394
Fuel DELIVERY UNIT A1674704500 Fuel DELIVERY UNIT A1674706900 Fuel DELIVERY UNIT A2054702702 Fuel DELIVERY UNIT A2054704900 Fuel DELIVERY UNIT A2054708501 Fuel DELIVERY UNIT A2064700202 Fuel DELIVERY UNIT A2064704401 Fuel DELIVERY UNIT A2064704501 Fuel DELIVERY UNIT A2234703301 Fuel DELIVERY UNIT A2234709601 Fuel DELIVERY UNIT A2324700000 Fuel DELIVERY UNIT A4634705900 Fuel DELIVERY UNIT A2544702300 Identify How/When Recall Condition was Corrected in Production : A change in the production process at suppliers ensures that this issue can no longer occur from April 03, 2023 onwards. Recall Schedule :
Description of Recall Schedule : Authorized Mercedes-Benz dealerships will be notified of the pending
voluntary recall campaign on July 3, 2023 and on December 21, 2023 for the additional vehicles. Owners were notified of the voluntary recall campaign on August 18, 2023.Owners for the additional VINs will be notified of the voluntary recall campaign before April 12, 2024.
A copy of all communications will be provided when available.
Planned Dealer Notification Date : JUL 03, 2023 – NR Planned Owner Notification Date : AUG 18, 2023 – NR
* NR – Not Reported
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SEOCONTENT-END
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