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March 17, 2023 NHTSA CAMPAIGN NUMBER: 23V177000
Water Intrusion from AC Drain Hose May Cause Short
Water intrusion into the foot wells may cause corrosion and/or short circuits to electrical components, increasing the risk of fire. In addition, the emergency call (eCall) feature may be disabled and the doors may not unlock, increasing the risk of injury. Also, the engine may not start or may enter a limp-home mode, increasing the risk of a crash.
NHTSA Campaign Number: 23V177
Manufacturer Mercedes-Benz USA, LLC
Components VISIBILITY
Potential Number of Units Affected 61,450
Summary
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2021 GLE350, GLE450, GLS450, GLS580, 2021 AMG GLE53, AMG GLE63, Maybach GLS600, AMG GLS63, and 2020 GLE580 vehicles. The air conditioner drain hoses may have been incorrectly installed, causing water to drain into the passenger compartment.
Remedy
Dealers will inspect and reinstall the air conditioner drain hoses, as necessary, free of charge. Owner notification letters were mailed April 28, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of recall numbers 21V-288 and 19V-587. MBUSA’s numbers for this recall are 2023030014 and 2023030015.
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
April 6, 2023
2023030014
2023030015
Check Installation of Air Conditioning Drain Hoses
This is to notify you of a Recall Campaign Launch to check the installation of the air conditioning drain hoses on 61,450 Model Year (“MY”) 2020-2021 GLE and GLS (167 platform) vehicles. The recall campaign will be visible on the www.safercar.gov website and may generate questions from customers. Affected VINs will be flagged in VMI as “OPEN” on April 6, 2023.
Issue
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2020-2021 GLE and GLS (167 platform) vehicles, the air conditioning drain hoses might be incorrectly installed in the vehicle. In this case, condensation water from the air conditioning might enter the passenger compartment. If a significant volume of condensation water enters the driver and passenger side footwells, it is possible that corrosion and/or short circuits to the electrical components installed in this area could occur, which could increase the risk of fire. In addition, the performance of other features of the vehicle could be affected. For example, the automatic emergency call (eCall) might not be available, the vehicle might not be able to be unlocked and/or started; and the engine limp-home mode might be activated during driving. The impact on these features could increase the potential risk of injury or a crash. The customer might observe wet carpets in the front footwells, and fogged windows.
What We’re Doing
MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealership will check the air conditioning drain hoses and correct their installation, if necessary.
Parts
Remedy is not available at this time.
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 Xentry. 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.
Check condensation drain hose at right and left of air conditioning system, rework if necessary
Check/test procedure A
- Release floor covering in footwell on driver’s side and front passenger side and check condensation drain hose at right and left of air conditioning system (Figure 1).
The condensation drain hose must be installed without creases, in proper contact, and inserted correctly on the heater box or tunnel (C, Figure 1).
The cutout (B, Figure 1) must be positioned correctly on the fitting of the heater box. There must not be any visible or noticeable traces of water.
a. Condensation drain hose not fastened correctly, or traces of water present: Carry out check/test procedure B.
b. Condensation drain hose fastened correctly, with no visible or noticeable traces of water: End measure.
Check/test procedure B
- Remove front floor covering and covers above the electrical assemblies in the footwell of the incorrectly mounted drain hose.(Figure 2)
Remove corresponding driver’s seat and/or front passenger seat.
For basic data on removing the front floor covering on the front passenger side, see AR68.80-P-0008ME. For basic data on removing the front floor covering on the driver’s side, see AR68.80-P-0007ME.
- Check accessible electrical connections for moisture/water and/or corrosion.
a. Condensation drain hose not fastened correctly and minor traces of water present: Carry out work procedure A.
b. Condensation drain hose not fastened correctly and major traces of water present: Carry out work procedure B.
Work procedure A
- In case of slight dampness and no visible traces of corrosion: dry out footwell, electrical connectors, and floor covering.
- Mount drain hose for condensation correctly.
The condensation drain hose must be installed without creases, in proper contact, and inserted correctly on the heater box or tunnel (C, Figure 1).
The cutout (B, Figure 1) must be positioned correctly on the fitting of the heater box.
- Assemble in reverse order.
Work procedure B
- In the case of heavy water entry or if the floor recesses are filled with water, all damaged relevant parts must be replaced.
- Mount drain hose for condensation correctly.
The condensation drain hose must be installed without creases, in proper contact, and inserted correctly on the heater box or tunnel (C, Figure 1).
The cutout (B, Figure 1) must be positioned correctly on the fitting of the heater box.
- Assemble in reverse order.
Chronology :
In August 2021, MBAG began an initial investigation of field reports from GLE and GLS vehicles (167 platform) describing varying instances in which customers described water ingress into the passenger compartment. These subject vehicles were produced outside the production date range of the prior recall measures 19V587 and 21V288.
Between September and December 2021, MBAG examined the affected vehicles and reviewed production records, seeking to identify a cause of the reported issues. In parallel, MBAG reviewed the production facility and relevant vehicle assembly processes, seeking potential factors that might lead to the observed issues with the affected vehicles.
In February 2022, MBAG commenced a further investigation based on the results and findings of its review and updated field reports and analyses. From March to May 2022, MBAG conducted a detailed analysis of field data and reviewed related production records, and a plant rework campaign was issued based on the then-assumed failure mechanism. From June 2022 onwards, further cases that occurred in the field required re-evaluation of the failure mechanism and influencing factors. These intensive analyses that were conducted together with the vehicle assembly plant continued throughout the year 2022, while the field situation was constantly monitored and new information was continuously included in the analysis process. In February 2023, final alignments regarding failure mechanism, influencing factors and definition of potentially affected vehicles were conducted. It was determined that condensation water from the air condition might enter the passenger compartment due to incorrect installation of the drain hoses during vehicle assembly. On March 10, 2023, MBAG determined that a potential safety risk cannot be ruled out and decided to conduct a recall. MBAG is currently aware of 58 field reports in the U.S. received from August 12, 2019 to January 3, 2023. MBAG is not aware of any reported crashes, injuries.
13 Affected Products
Vehicles
MAKE | MODEL | YEAR |
MERCEDES-BENZ | AMG GLE53 | 2021 |
MERCEDES-BENZ | AMG GLE63 | 2021 |
MERCEDES-BENZ | AMG GLS63 | 2021 |
MERCEDES-BENZ | GLE350 | 2020-2021 |
MERCEDES-BENZ | GLE450 | 2020-2021 |
MERCEDES-BENZ | GLE580 | 2020 |
MERCEDES-BENZ | GLS450 | 2020-2021 |
MERCEDES-BENZ | GLS580 | 2020-2021 |
MERCEDES-BENZ | MAYBACH GLS600 | 2021 |
13 Associated Documents
Defect Notice 573 Report
RCLRPT-23V177-7084.PDF 218.708KB
Recall Acknowledgement
RCAK-23V177-1045.pdf 645.497KB
Manufacturer Notices(to Dealers,etc)
RCMN-23V177-0422.pdf 289.017KB
Recall 573 Report – April 4, 2023
RCLRPT-23V177-6690.PDF 218.715KB
Remedy Instructions and TSB
RCRIT-23V177-7857.pdf 429.306KB
Remedy Instructions and TSB
RCRIT-23V177-3850.pdf 428.467KB
Manufacturer Notices(to Dealers,etc)
RCMN-23V177-8769.pdf 681.858KB
Manufacturer Notices(to Dealers,etc)
RCMN-23V177-3542.pdf 681.633KB
Recall 573 Report – May 1, 2023
RCLRPT-23V177-2368.PDF 218.717KB
ISSUED Owner Notification Letter(Part 577)
RCONL-23V177-9001.pdf 348.534KB
Recall Quarterly Report #1, 2023-2
RCLQRT-23V177-8508.PDF 211.153KB
Recall Quarterly Report #2, 2023-3
RCLQRT-23V177-1978.PDF 211.394KB
Recall Quarterly Report #3, 2023-4
RCLQRT-23V177-8777.PDF 211.486KB
Latest Recalls Documents
For the Latest and Most Recent Recalls Information Visit the link below…
https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=23V177&docType=RCL
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SEOCONTENT-START
April, 2023
Thi: notiee applies to your vehiele, VIN:
ln:peet Installation of Air Conditioning Drain Ho:e:
MBUSA ID: 2023030014 & 2023001 s, NHTSA Reeall ID: 23V177
• Remedy parts are now available for your vehicle.
• Schedule an appointment w ith your authorized
Mercedes-Benz dealership as soon as possible.
• This repair w ill be provided FREE of charge.
Dear Mercedes-Benz Owner:
This notice is being 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 2020- 2021 GLE and GLS vehicles. Our records indicate that your vehicle is included
in the affected population.
~
What i: the i::ue?
In certain MY 2020-2021 GLE-Class and GLS-Class vehicles, the air conditioning drain hoses might be
incorrectly installed in the vehicle. In this case, condensation water from the air conditioning might enter the
passenger compartment. If a significant volume of condensation water enters the driver and passenger side
footwells, it is possible that corrosion and/ or short circuits to the electrical components installed in this area
could occur, which could increase the risk of fire. In addit ion, the performance of other features of the vehicle
could be affected. For example, the automatic emergency call (eCall) might not be available, the vehicle might
not be able to be unlocked and/ or started; and the engine limp-home mode might be activated during driving.
The impact on these features could increase the risk of injury or a crash. Vehicle occupants might observe wet
carpets in the front footwells, and fogged windows.
What will your Mercedes-Benz Dealership do?
An authorized Mercedes-Benz dealership will inspect and reinstall the air condit ioning drain hoses, if necessary.
This vehiele repair will be provided at no eost to you. While the minimum repair time can be less than one
hour, your dealership can provide you with a better estimate of the overall time for this service visit. As a
matter of normal service process, an authorized Mercedes-Benz dealer will also check for other repair
measures which might be applicable to your vehicle and this may increase the required working t ime. You will
not be charged for other service or repairs unless so requested.
Steps to take.
• Find your nearest authorized Mercedes-Benz dealership at mbusa.eom/ reeall to schedule your recall repair.
• Please mention you are scheduling an appointment for Mercedes-Benz Recall Campaign 2023030014 or
2023030015.
• 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?
In the event you no longer own or drive this vehicle, please visit mbusa.com/ recalls to update your information by submitting
your VIN using our VIN recall lookup tool and fill ing out the “No longer Own” 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 dealership.
Should an authorized Mercedes-Benz dealership 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 t ime, 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.
Reimbursement to Customers for Repairs Performed Prior to Recall
If you have already paid to have this recall condit ion corrected you may be eligible to receive reimbursement. Requests for
reimbursement may include parts, labor, fees and taxes. Reimbursement may be limited to the amount the repair would have
cost if completed by an authorized Mercedes-Benz dealer. The following documentation must be presented to your dealer for
reimbursement.
Original or clear copy of all receipts, invoices and/ or repair orders that show:
• The name and address of the person who paid for the repair.
• The Vehicle Identification Number (VIN) of the vehicle that was repaired.
• What problem occurred, what repair was done, when it was done and who repaired it.
• The total cost of the repair expense that is being claimed.
• Proof of payment of repair (copy of front and back of cancelled check, or copy of credit card receipt).
• Reimbursement will be made by check from your dealer.
Please speak with your dealer concerning this matter. Thank you for your cooperation.
**************************************************************************************************************
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
Department Manager, Vehicle Compliance & Analysis
TO: Mercedes-Benz Dealer Principals, General Managers, Sales Managers, Service Managers, Parts Managers
FROM: Gregory Gunther, Department Manager, Vehicle Compliance and Analysis, Engineering Services
RE: Recall Campaign Launch Notification
Check Installation of Air Conditioning Drain Hoses
MY20-21 GLE, GLS (167 platform)
DATE: April 6, 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 April 6, 2023
Campaign No. :
NHTSA ID
Campaign Desc. :
Check Installation of Air Conditioning Drain Hoses
2023030014
2023030015
23V177
23P8392005
22P8391109
This is to notify you of a Recall Campaign Launch to check the installation of the air conditioning drain hoses on 61,450 Model Year (“MY”) 2020-2021 GLE and GLS (167 platform) vehicles. The recall campaign will be visible on the www.safercar.gov website and may generate questions from customers. Affected VINs will be flagged in VMI as “OPEN” on April 6, 2023.
Background
Issue
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2020-2021 GLE and GLS (167 platform) vehicles, the air conditioning drain hoses might be incorrectly installed in the vehicle. In this case, condensation water from the air conditioning might enter the passenger compartment. If a significant volume of condensation water enters the driver and passenger side footwells, it is possible that corrosion and/or short circuits to the electrical components installed in this area could occur, which could increase the risk of fire. In addition, the performance of other features of the vehicle could be affected. For example, the automatic emergency call (eCall) might not be available, the vehicle might not be able to be unlocked and/or started; and the engine limp-home mode might be activated during driving. The impact on these features could increase the potential risk of injury or a crash. The customer might observe wet carpets in the front footwells, and fogged windows.
What We’re Doing
MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealership will check the air conditioning drain hoses and correct their installation, if necessary. Parts Remedy is not available at this time.
Vehicles Affected
Vehicle Model Year(s)
2020-2021
Vehicle Model
GLE, GLS
Vehicle Populations
Total Recall Population
61,450
Total Vehicles in Dealer Inventory
0
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 Xentry. 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 April 28, 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 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.
Campaign No. 2023030014, April 2023
TO: ALL MERCEDES-BENZ CENTERS
SUBJECT: Model GLE and GLS (167 platform)
Model Year 2020-2021
Check Installation of Air Conditioning Drain Hoses
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2020-2021 GLE and GLS (167 platform) vehicles, the air conditioning drain hoses might be incorrectly installed in the vehicle. In this case, condensation water from the air conditioning might enter the passenger compartment. If a significant volume of condensation water enters the driver and passenger side footwells, it is possible that corrosion and/or short circuits to the electrical components installed in this area could occur, which could increase the risk of fire. In addition, the performance of other features of the vehicle could be affected. For example, the automatic emergency call (eCall) might not be available, the vehicle might not be able to be unlocked and/or started, and the engine limp-home mode might be activated during driving. The impact on these features could increase the potential risk of injury or a crash. The customer might observe wet carpets in the front footwells, and fogged windows. An authorized Mercedes-Benz dealership will check the air conditioning drain hoses and correct their installation, if necessary.
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 58,539 vehicles are affected.
Order No. P-RC-2023030014
This bulletin has been created and maintained in accordance with MBUSA-SLP S423QH001, Document and Data Control, and MBUSA-SLP S424HH001, Control of Quality Records.
2
P-RC-2023030014
Check condensation drain hose at right and left of air conditioning system, rework if necessary
Check/test procedure A
1. Release floor covering in footwell on driver’s side and front passenger side and check condensation drain hose at right and left of air conditioning system (Figure 1).
The condensation drain hose must be installed without creases, in proper contact, and inserted correctly on the heater box or tunnel (C, Figure 1).
The cutout (B, Figure 1) must be positioned correctly on the fitting of the heater box.
There must not be any visible or noticeable traces of water.
a. Condensation drain hose not fastened correctly, or traces of water present: Carry out check/test procedure B. b. Condensation drain hose fastened correctly, with no visible or noticeable traces of water: End measure.
3
P-RC-2023030014
Check/test procedure B
1. Remove front floor covering and covers above the electrical assemblies in the footwell of the incorrectly mounted drain hose.(Figure 2)
Remove corresponding driver’s seat and/or front passenger seat.
For basic data on removing the front floor covering on the front passenger side, see AR68.80-P-0008ME.
For basic data on removing the front floor covering on the driver’s side, see AR68.80-P-0007ME.
Figure 2
2. Check accessible electrical connections for moisture/water and/or corrosion. a. Condensation drain hose not fastened correctly and minor traces of water present: Carry out work procedure A. b. Condensation drain hose not fastened correctly and major traces of water present: Carry out work procedure B.
4
P-RC-2023030014
Work procedure A
1. In case of slight dampness and no visible traces of corrosion: dry out footwell, electrical connectors, and floor covering.
2. Mount drain hose for condensation correctly.
The condensation drain hose must be installed without creases, in proper contact, and inserted correctly on the heater box or tunnel (C, Figure 1).
The cutout (B, Figure 1) must be positioned correctly on the fitting of the heater box.
3. Assemble in reverse order.
Work procedure B
1. In the case of heavy water entry or if the floor recesses are filled with water, all damaged relevant parts must be replaced.
2. Mount drain hose for condensation correctly.
The condensation drain hose must be installed without creases, in proper contact, and inserted correctly on the heater box or tunnel (C, Figure 1).
The cutout (B, Figure 1) must be positioned correctly on the fitting of the heater box.
3. Assemble in reverse order.
__________________________________________________________________________________________________
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.)
83 920 05
12-1664
Check condensation drain hose at right and left of air conditioning system
0.1
12-1665*
Expose footwell (after check)
Includes: Fasten condensation drain hose correctly
1.3
12-1666*
Dry footwell (footwell exposed)
ZM
12-1667
Replace affected parts (footwell exposed)
ZM
* The operation item is to be repeated as often as necessary.
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.
**************************************************************************************************************
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
Department Manager, Vehicle Compliance & Analysis
TO: Mercedes-Benz Dealer Principals, General Managers, Sales Managers, Service Managers, Parts Managers
FROM: Gregory Gunther, Department Manager, Vehicle Compliance and Analysis, Engineering Services
RE: Recall Campaign Launch Notification
Check Installation of Air Conditioning Drain Hoses
MY20-21 GLE, GLS (167 platform)
DATE: April 6, 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 April 6, 2023
Campaign No. :
NHTSA ID
Campaign Desc. :
Check Installation of Air Conditioning Drain Hoses
2023030014
2023030015
23V177
23P8392005
22P8391109
This is to notify you of a Recall Campaign Launch to check the installation of the air conditioning drain hoses on 61,450 Model Year (“MY”) 2020-2021 GLE and GLS (167 platform) vehicles. The recall campaign will be visible on the www.safercar.gov website and may generate questions from customers. Affected VINs will be flagged in VMI as “OPEN” on April 6, 2023.
Background
Issue
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2020-2021 GLE and GLS (167 platform) vehicles, the air conditioning drain hoses might be incorrectly installed in the vehicle. In this case, condensation water from the air conditioning might enter the passenger compartment. If a significant volume of condensation water enters the driver and passenger side footwells, it is possible that corrosion and/or short circuits to the electrical components installed in this area could occur, which could increase the risk of fire. In addition, the performance of other features of the vehicle could be affected. For example, the automatic emergency call (eCall) might not be available, the vehicle might not be able to be unlocked and/or started; and the engine limp-home mode might be activated during driving. The impact on these features could increase the potential risk of injury or a crash. The customer might observe wet carpets in the front footwells, and fogged windows.
What We’re Doing
MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealership will check the air conditioning drain hoses and correct their installation, if necessary. Parts Remedy is not available at this time.
Vehicles Affected
Vehicle Model Year(s)
2020-2021
Vehicle Model
GLE, GLS
Vehicle Populations
Total Recall Population
61,450
Total Vehicles in Dealer Inventory
0
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 Xentry. 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 April 28, 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 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.
Campaign No. 2023030015, April 2023
TO: ALL MERCEDES-BENZ CENTERS
SUBJECT: Model GLE and GLS (167 platform)
Model Year 2020
Check Installation of Air Conditioning Drain Hoses
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2020 GLE and GLS (167 platform) vehicles, the air conditioning drain hoses might be incorrectly installed in the vehicle. In this case, condensation water from the air conditioning might enter the passenger compartment. If a significant volume of condensation water enters the driver and passenger side footwells, it is possible that corrosion and/or short circuits to the electrical components installed in this area could occur, which could increase the risk of fire. In addition, the performance of other features of the vehicle could be affected. For example, the automatic emergency call (eCall) might not be available, the vehicle might not be able to be unlocked and/or started, and the engine limp-home mode might be activated during driving. The impact on these features could increase the potential risk of injury or a crash. The customer might observe wet carpets in the front footwells, and fogged windows. An authorized Mercedes-Benz dealership will check the air conditioning drain hoses and correct their installation, if necessary.
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 2,911 vehicles are affected.
Order No. P-RC-2023030015
This bulletin has been created and maintained in accordance with MBUSA-SLP S423QH001, Document and Data Control, and MBUSA-SLP S424HH001, Control of Quality Records.
2
P-RC-2023030015
Check condensation drain hose at right and left of air conditioning system, rework if necessary
Check/test procedure A
1. Release floor covering in footwell on driver’s side and front passenger side and check condensation drain hose at right and left of air conditioning system (Figure 1).
The condensation drain hose must be installed without creases, in proper contact, and inserted correctly on the heater box or tunnel (C, Figure 1).
The cutout (B, Figure 1) must be positioned correctly on the fitting of the heater box.
There must not be any visible or noticeable traces of water.
a. Condensation drain hose not fastened correctly, or traces of water present: Carry out check/test procedure B. b. Condensation drain hose fastened correctly, with no visible or noticeable traces of water: End measure.
3
P-RC-2023030015
Check/test procedure B
1. Remove front floor covering and covers above the electrical assemblies in the footwell of the incorrectly mounted drain hose. (Figure 2)
Remove corresponding driver’s seat and/or front passenger seat.
For basic data on removing the front floor covering on the front passenger side, see AR68.80-P-0008ME.
For basic data on removing the front floor covering on the driver’s side, see AR68.80-P-0007ME.
Figure 2
2. Check accessible electrical connections for moisture/water and/or corrosion. a. Condensation drain hose not fastened correctly and minor traces of water present: Carry out work procedure A. b. Condensation drain hose not fastened correctly and major traces of water present: Carry out work procedure B. Work procedure A
1. In case of slight dampness and no visible traces of corrosion: dry out footwell, electrical connectors, and floor covering.
2. Mount drain hose for condensation correctly.
The condensation drain hose must be installed without creases, in proper contact, and inserted correctly on the heater box or tunnel (C, Figure 1).
The cutout (B, Figure 1) must be positioned correctly on the fitting of the heater box.
3. Assemble in reverse order.
4
P-RC-2023030015
Work procedure B
1. In the case of heavy water entry or if the floor recesses are filled with water, all damaged relevant parts must be replaced.
2. Mount drain hose for condensation correctly.
The condensation drain hose must be installed without creases, in proper contact, and inserted correctly on the heater box or tunnel (C, Figure 1).
The cutout (B, Figure 1) must be positioned correctly on the fitting of the heater box.
3. Assemble in reverse order.
__________________________________________________________________________________________________
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.)
83 911 09
12-1668
Check condensation drain hose at right and left of air conditioning system
0.1
12-1669*
Expose footwell (after check)
Includes: Fasten condensation drain hose correctly
1.3
12-1670*
Dry footwell (footwell exposed)
ZM
12-1671
Replace affected parts (footwell exposed)
ZM
* The operation item is to be repeated as often as necessary.
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.
**************************************************************************************************************
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
Department Manager, Vehicle Compliance & Analysis
TO: Mercedes-Benz Dealer Principals, General Managers, Sales Managers, Service Managers, Parts Managers
FROM: Gregory Gunther, Department Manager, Vehicle Compliance and Analysis, Engineering Services
RE: Recall Campaign Initial Notification
Check Installation of Air Conditioning Drain Hoses
MY20-21 GLE, GLS (167 platform)
DATE: March 24, 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 March 24, 2023
Campaign No. :
NHTSA ID
Campaign Desc. :
Check Installation of Air Conditioning Drain Hoses
TBD
23V177
23P2197590
23P2197592
This is to notify you of the new Recall Campaign to check the installation of the air conditioning drain hoses on 61,450 Model Year (“MY”) 2020-2021 GLE and GLS (167 platform) vehicles. The recall campaign will be visible on the www.safercar.gov website and may generate questions from customers. Affected VINs will be flagged in VMI as “PENDING” on March 24, 2023.
Background
Issue
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2020-2021 GLE and GLS (167 platform) vehicles, the air conditioning drain hoses might be incorrectly installed in the vehicle. In this case, condensation water from the air conditioning might enter the passenger compartment. If a significant volume of condensation water enters the driver and passenger side footwells, it is possible that corrosion and/or short circuits to the electrical components installed in this area could occur, which could increase the risk of fire. In addition, the performance of other features of the vehicle could be affected. For example, the automatic emergency call (eCall) might not be available, the vehicle might not be able to be unlocked and/or started; and the engine limp-home mode might be activated during driving. The impact on these features could increase the potential risk of injury or a crash. The customer might observe wet carpets in the front footwells, and fogged windows.
What We’re Doing
MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will check the air conditioning drain hoses and correct their installation, if necessary. Parts Remedy is not available at this time.
Vehicles Affected
Vehicle Model Year(s)
2020-2021
Vehicle Model
GLE, GLS
Vehicle Populations
Total Recall Population
61,450
Total Vehicles in Dealer Inventory
0
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 Star TekInfo. 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 May 16, 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 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.
**************************************************************************************************************
OMB Control No.: 2127-0004
Part 573 Safety Recall Report 23V-177
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
Mercedes-Benz USA, LLC MAR 17, 2023 NHTSA Recall No. : 23V-177 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 : 61,450 Estimated percentage with defect : 100 %
Vehicle Information :
Vehicle 1 : 2020-2021 Mercedes-Benz GLE 350 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 35,176 vehicles. The recall population was determined through production records.
Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2020-2021 Mercedes-Benz GLE 450 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 4,975 Vehicles. The recall population was determined through production records. Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 23V-177 Page 2 Vehicle 3 : 2021-2021 Mercedes-Benz AMG GLE 53 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1,525 Vehicle. The recall population was determined through production records. Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 4 : 2020-2020 Mercedes-Benz GLE 580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 998 vehicles. The recall population was determined through production records. Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 5 : 2021-2021 Mercedes-Benz AMG GLE 63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 54 vehicles. The recall population was determined through production records. Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 6 : 2020-2021 Mercedes-Benz GLS 450 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 16,949 vehicles. The recall population was determined through production records.
Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
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-177 Page 3 Vehicle 7 : 2020-2021 Mercedes-Benz GLS 580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1,741 vehicles. The recall population was determined through production records. Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 8 : 2021-2021 Mercedes-Benz Maybach GLS 600 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 3 vehicles. The recall population was determined through production records.
Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 9 : 2021-2021 Mercedes-Benz AMG GLS 63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 29 vehicles. The recall population was determined through production records. Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect :
Description of the Defect : Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Bez vehicles, has determined that on certain Model Year (“MY”) 2020-2021 GLE and GLS vehicles (167 platform), the air conditioning drain hoses might be incorrectly installed in the vehicle. In this case, condensation water from the air conditioning might enter the passenger compartment.
FMVSS 1 : NR FMVSS 2 : NR
Description of the Safety Risk : If a significant volume of condensation water enters the driver and passenger side footwells, it might cause corrosion and/or short circuits to the electrical components installed in this area, which could increase the risk of fire. In The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-177 Page 4 addition, the performance of other features of the vehicle could be affected. For example, the automatic emergency call (eCall) might not be available, the vehicle might not be able to be unlocked and/or started; and the engine limp- home mode might be activated during driving, which could increase the risk of injury or a crash.
Description of the Cause : Due to a deviation in the assembly process, the air conditioning drain hoses might not have been installed according to current production specifications. As a result, the tightness of the connection cannot be ensured. Identification of Any Warning
that can Occur : When the issue occurs, the customer might observe wet carpets in the front footwells and fogged windows. Involved Components : Component Name 1 : A/C drain hose Component Description : A/C drain hose Component Part Number : A1678323600 Supplier Identification : Component Manufacturer
Name : MBAG Address : NR
NR
Country : NR Chronology :
In August 2021, MBAG began an initial investigation of field reports from GLE and GLS vehicles (167 platform) describing varying instances in which customers described water ingress into the passenger compartment.
These subject vehicles were produced outside the production date range of the prior recall measures 19V587 and 21V288.
Between September and December 2021, MBAG examined the affected vehicles and reviewed production records, seeking to identify a cause of the reported issues. In parallel, MBAG reviewed the production facility and relevant vehicle assembly processes, seeking potential factors that might lead to the observed issues with the affected vehicles.
In February 2022, MBAG commenced a further investigation based on the results and findings of its review and updated field reports and analyses. From March to May 2022, MBAG conducted a detailed analysis of field data and reviewed related production records, and a plant rework campaign was issued based on the then-assumed The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-177
Page 5
The information contained in this report was submitted pursuant to 49 CFR §573
failure mechanism. From June 2022 onwards, further cases that occurred in the field required re-evaluation of the failure mechanism and influencing factors. These intensive analyses that were conducted together with the vehicle assembly plant continued throughout the year 2022, while the field situation was constantly monitored and new information was continuously included in the analysis process. In February 2023, final alignments regarding failure mechanism, influencing factors and definition of potentially affected vehicles were conducted. It was determined that condensation water from the air condition might enter the passenger compartment due to incorrect installation of the drain hoses during vehicle assembly.On March 10, 2023, MBAG determined that a potential safety risk cannot be ruled out and decided to conduct a recall. MBAG is currently aware of 58 field reports in the U.S. received from August 12, 2019 to January 3, 2023. MBAG is not aware of any reported crashes, injuries.
Description of Remedy :
Description of Remedy Program : An authorized Mercedes-Benz dealership will check the air conditioning
drain hoses and correct their installation, if necessary.
Pursuant to 49 C.F.R. § 577.11, MBUSA plans to provide notice about pre- notice reimbursement to owners since some of the involved vehicles could have been previously subject to the condition described.
How Remedy Component Differs from Recalled Component :
Air conditioning drain hoses installed according to current production specifications.
Remedy Part:
A 167 832 36 00 – A/C drain hose Identify How/When Recall Condition was Corrected in Production : A change in the production process due to the introduction of special checks and documentation during the installation of the A/C drain hoses ensured that this issue would not occur after February 3, 2021. Dedicated training for production personnel were made mandatory and implemented accordingly. Recall Schedule :
Description of Recall Schedule : Dealers will be notified of the pending voluntary recall campaign on
March 24, 2023. Owners will be notified of the voluntary
recall campaign on or before May 16, 2023. A copy of all communications will be provided when available.
Planned Dealer Notification Date : MAR 24, 2023 – NR Planned Owner Notification Date : MAY 16, 2023 – NR
* NR – Not Reported
**************************************************************************************************************
OMB Control No.: 2127-0004
Part 573 Safety Recall Report 23V-177
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
Mercedes-Benz USA, LLC APR 04, 2023 NHTSA Recall No. : 23V-177 Manufacturer Recall No. : 2023030014 & 15 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 : 61,450 Estimated percentage with defect : 100 %
Vehicle Information :
Vehicle 1 : 2020-2021 Mercedes-Benz GLE 350 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 35,176 vehicles. The recall population was determined through production records.
Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2020-2021 Mercedes-Benz GLE 450 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 4,975 Vehicles. The recall population was determined through production records. Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 23V-177 Page 2 Vehicle 3 : 2021-2021 Mercedes-Benz AMG GLE 53 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1,525 Vehicle. The recall population was determined through production records. Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 4 : 2020-2020 Mercedes-Benz GLE 580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 998 vehicles. The recall population was determined through production records. Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 5 : 2021-2021 Mercedes-Benz AMG GLE 63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 54 vehicles. The recall population was determined through production records. Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 6 : 2020-2021 Mercedes-Benz GLS 450 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 16,949 vehicles. The recall population was determined through production records.
Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
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-177 Page 3 Vehicle 7 : 2020-2021 Mercedes-Benz GLS 580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1,741 vehicles. The recall population was determined through production records. Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 8 : 2021-2021 Mercedes-Benz Maybach GLS 600 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 3 vehicles. The recall population was determined through production records.
Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 9 : 2021-2021 Mercedes-Benz AMG GLS 63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 29 vehicles. The recall population was determined through production records. Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect :
Description of the Defect : Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Bez vehicles, has determined that on certain Model Year (“MY”) 2020-2021 GLE and GLS vehicles (167 platform), the air conditioning drain hoses might be incorrectly installed in the vehicle. In this case, condensation water from the air conditioning might enter the passenger compartment.
FMVSS 1 : NR FMVSS 2 : NR
Description of the Safety Risk : If a significant volume of condensation water enters the driver and passenger side footwells, it might cause corrosion and/or short circuits to the electrical components installed in this area, which could increase the risk of fire. In The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-177 Page 4 addition, the performance of other features of the vehicle could be affected. For example, the automatic emergency call (eCall) might not be available, the vehicle might not be able to be unlocked and/or started; and the engine limp- home mode might be activated during driving, which could increase the risk of injury or a crash.
Description of the Cause : Due to a deviation in the assembly process, the air conditioning drain hoses might not have been installed according to current production specifications. As a result, the tightness of the connection cannot be ensured. Identification of Any Warning
that can Occur : When the issue occurs, the customer might observe wet carpets in the front footwells and fogged windows. Involved Components : Component Name 1 : A/C drain hose Component Description : A/C drain hose Component Part Number : A1678323600 Supplier Identification : Component Manufacturer
Name : MBAG Address : NR
NR
Country : NR Chronology :
In August 2021, MBAG began an initial investigation of field reports from GLE and GLS vehicles (167 platform) describing varying instances in which customers described water ingress into the passenger compartment.
These subject vehicles were produced outside the production date range of the prior recall measures 19V587 and 21V288.
Between September and December 2021, MBAG examined the affected vehicles and reviewed production records, seeking to identify a cause of the reported issues. In parallel, MBAG reviewed the production facility and relevant vehicle assembly processes, seeking potential factors that might lead to the observed issues with the affected vehicles.
In February 2022, MBAG commenced a further investigation based on the results and findings of its review and updated field reports and analyses. From March to May 2022, MBAG conducted a detailed analysis of field data and reviewed related production records, and a plant rework campaign was issued based on the then-assumed The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-177
Page 5
The information contained in this report was submitted pursuant to 49 CFR §573
failure mechanism. From June 2022 onwards, further cases that occurred in the field required re-evaluation of the failure mechanism and influencing factors. These intensive analyses that were conducted together with the vehicle assembly plant continued throughout the year 2022, while the field situation was constantly monitored and new information was continuously included in the analysis process. In February 2023, final alignments regarding failure mechanism, influencing factors and definition of potentially affected vehicles were conducted. It was determined that condensation water from the air condition might enter the passenger compartment due to incorrect installation of the drain hoses during vehicle assembly.On March 10, 2023, MBAG determined that a potential safety risk cannot be ruled out and decided to conduct a recall. MBAG is currently aware of 58 field reports in the U.S. received from August 12, 2019 to January 3, 2023. MBAG is not aware of any reported crashes, injuries.
Description of Remedy :
Description of Remedy Program : An authorized Mercedes-Benz dealership will check the air conditioning
drain hoses and correct their installation, if necessary.
Pursuant to 49 C.F.R. § 577.11, MBUSA plans to provide notice about pre- notice reimbursement to owners since some of the involved vehicles could have been previously subject to the condition described.
How Remedy Component Differs from Recalled Component :
Air conditioning drain hoses installed according to current production specifications.
Remedy Part:
A 167 832 36 00 – A/C drain hose Identify How/When Recall Condition was Corrected in Production : A change in the production process due to the introduction of special checks and documentation during the installation of the A/C drain hoses ensured that this issue would not occur after February 3, 2021. Dedicated training for production personnel were made mandatory and implemented accordingly. Recall Schedule :
Description of Recall Schedule : Dealers will be notified of the pending voluntary recall campaign on
March 24, 2023. Owners will be notified of the voluntary
recall campaign on or before May 16, 2023. A copy of all communications will be provided when available.
Planned Dealer Notification Date : MAR 24, 2023 – NR Planned Owner Notification Date : MAY 16, 2023 – NR
* NR – Not Reported
**************************************************************************************************************
OMB Control No.: 2127-0004
Part 573 Safety Recall Report 23V-177
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
Mercedes-Benz USA, LLC MAY 01, 2023 NHTSA Recall No. : 23V-177 Manufacturer Recall No. : 2023030014 & 15 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 : 61,450 Estimated percentage with defect : 100 %
Vehicle Information :
Vehicle 1 : 2020-2021 Mercedes-Benz GLE 350 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 35,176 vehicles. The recall population was determined through production records.
Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2020-2021 Mercedes-Benz GLE 450 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 4,975 Vehicles. The recall population was determined through production records. Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 23V-177 Page 2 Vehicle 3 : 2021-2021 Mercedes-Benz AMG GLE 53 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1,525 Vehicle. The recall population was determined through production records. Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 4 : 2020-2020 Mercedes-Benz GLE 580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 998 vehicles. The recall population was determined through production records. Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 5 : 2021-2021 Mercedes-Benz AMG GLS 63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 29 vehicles. The recall population was determined through production records. Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 6 : 2020-2021 Mercedes-Benz GLS 450 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 16,949 vehicles. The recall population was determined through production records.
Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
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-177 Page 3 Vehicle 7 : 2020-2021 Mercedes-Benz GLS 580 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 1,741 vehicles. The recall population was determined through production records. Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 8 : 2021-2021 Mercedes-Benz Maybach GLS 600 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 3 vehicles. The recall population was determined through production records.
Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 9 : 2021-2021 Mercedes-Benz AMG GLE 63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : 54 vehicles. The recall population was determined through production records. Vehicles outside the specified recall population have air conditioning drain hoses installed according to current production specifications.
Production Dates : NOV 01, 2018 – NOV 30, 2020
VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect :
Description of the Defect : Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Bez vehicles, has determined that on certain Model Year (“MY”) 2020-2021 GLE and GLS vehicles (167 platform), the air conditioning drain hoses might be incorrectly installed in the vehicle. In this case, condensation water from the air conditioning might enter the passenger compartment.
FMVSS 1 : NR FMVSS 2 : NR
Description of the Safety Risk : If a significant volume of condensation water enters the driver and passenger side footwells, it might cause corrosion and/or short circuits to the electrical components installed in this area, which could increase the risk of fire. In The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-177 Page 4 addition, the performance of other features of the vehicle could be affected. For example, the automatic emergency call (eCall) might not be available, the vehicle might not be able to be unlocked and/or started; and the engine limp- home mode might be activated during driving, which could increase the risk of injury or a crash.
Description of the Cause : Due to a deviation in the assembly process, the air conditioning drain hoses might not have been installed according to current production specifications. As a result, the tightness of the connection cannot be ensured. Identification of Any Warning
that can Occur : When the issue occurs, the customer might observe wet carpets in the front footwells and fogged windows. Involved Components : Component Name 1 : A/C drain hose Component Description : A/C drain hose Component Part Number : A1678323600 Supplier Identification : Component Manufacturer
Name : MBAG Address : NR
NR
Country : NR Chronology :
In August 2021, MBAG began an initial investigation of field reports from GLE and GLS vehicles (167 platform) describing varying instances in which customers described water ingress into the passenger compartment.
These subject vehicles were produced outside the production date range of the prior recall measures 19V587 and 21V288.
Between September and December 2021, MBAG examined the affected vehicles and reviewed production records, seeking to identify a cause of the reported issues. In parallel, MBAG reviewed the production facility and relevant vehicle assembly processes, seeking potential factors that might lead to the observed issues with the affected vehicles.
In February 2022, MBAG commenced a further investigation based on the results and findings of its review and updated field reports and analyses. From March to May 2022, MBAG conducted a detailed analysis of field data and reviewed related production records, and a plant rework campaign was issued based on the then-assumed The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-177
Page 5
The information contained in this report was submitted pursuant to 49 CFR §573
failure mechanism. From June 2022 onwards, further cases that occurred in the field required re-evaluation of the failure mechanism and influencing factors. These intensive analyses that were conducted together with the vehicle assembly plant continued throughout the year 2022, while the field situation was constantly monitored and new information was continuously included in the analysis process. In February 2023, final alignments regarding failure mechanism, influencing factors and definition of potentially affected vehicles were conducted. It was determined that condensation water from the air condition might enter the passenger compartment due to incorrect installation of the drain hoses during vehicle assembly.On March 10, 2023, MBAG determined that a potential safety risk cannot be ruled out and decided to conduct a recall. MBAG is currently aware of 58 field reports in the U.S. received from August 12, 2019 to January 3, 2023. MBAG is not aware of any reported crashes, injuries.
Description of Remedy :
Description of Remedy Program : An authorized Mercedes-Benz dealership will check the air conditioning
drain hoses and correct their installation, if necessary.
Pursuant to 49 C.F.R. § 577.11, MBUSA plans to provide notice about pre- notice reimbursement to owners since some of the involved vehicles could have been previously subject to the condition described.
How Remedy Component Differs from Recalled Component :
Air conditioning drain hoses installed according to current production specifications.
Remedy Part:
A 167 832 36 00 – A/C drain hose Identify How/When Recall Condition was Corrected in Production : A change in the production process due to the introduction of special checks and documentation during the installation of the A/C drain hoses ensured that this issue would not occur after February 3, 2021. Dedicated training for production personnel were made mandatory and implemented accordingly. Recall Schedule :
Description of Recall Schedule : Dealers will be notified of the pending voluntary recall campaign on
March 24, 2023. Owners were notified of the voluntary recall campaign on or before April 28, 2023. A copy of all communications will be provided when available.
Planned Dealer Notification Date : MAR 24, 2023 – NR Planned Owner Notification Date : APR 28, 2023 – NR
* NR – Not Reported
SEOCONTENT-END