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June 30, 2023 NHTSA CAMPAIGN NUMBER: 23V462000
A loss of drive power can increase the risk of a crash.
NHTSA Campaign Number: 23V462
Manufacturer Mercedes-Benz
USA, LLC
Components ELECTRICAL SYSTEM
Potential Number of Units Affected 8,178
Summary
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 C300 and 2023 AMG C43 vehicles. The transmission wiring harness may be the incorrect length, which can result in harness damage and a loss of drive power.
Remedy
Dealers will inspect and repair the transmission wiring harness routing, as necessary, free of charge. Owner notification letters are expected to be mailed August 29, 2023. Owners may contact MBUSA customer service at 1-800-367-6373.
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
August 4, 2023
2023070015
Inspect Transmission Wiring Harness Routing
This is to notify you of the Safety and Emissions Recall Campaign Launch to inspect the transmission wiring harness routing on 8,178 Model Year (“MY”) 2022-2023 C-Class (206 platform) 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 August 4, 2023.
Issue
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2022-2023 C-Class (206 platform) vehicles with 4MATIC, the length of the transmission wiring harness might not meet current specifications. In this case, the transmission wiring harness could chafe on the front drive shaft, which could potentially damage the wiring harness and result in a loss of vehicle propulsion. This might increase the risk of a crash. If the failure occurs, the driver would be made aware through a warning message (e.g. “Transmission Malfunction Stop”, “Drive Malfunction Stop Restart Vehicle”, “Drive Malfunction Stop Contact Dealer”, or “Service Required Do Not Change Transmission Position”) in the instrument cluster.
What We’re Doing
MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will inspect the transmission wiring harness routing on the affected vehicles and rework it, if necessary.
Parts
The remedy is available and can be performed. The approximate replacement rate of the wiring harness is less than 1%. Do not order parts before inspection is complete.
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.
Notice to California Dealers: As required by 13 CCR 2117, a proof of correction (“POC”) certificate showing that the vehicle has been repaired under this recall must be issued by the dealer, and that such a certificate may be required by California as a condition of vehicle re-registration or operation. Please reference this POC in the attached work instructions. Failure to complete this step may result in fines and penalties and lead to customer dissatisfaction.
Inspect Transmission Wiring Harness Routing
Test Procedure
- Remove rear engine compartment lining (A, Figure 1). For basic information, see AR61.20-P-1105WT.
- Check routing and clearance (B, Figure 2) between the electrical wiring harnesses and the transmission tunnel/drive shaft, and the transfer case for the front axle differential.
The electrical wiring harnesses must not contact the drive shaft or the transfer case for the front axle differential!
a. If the electrical wiring harness is in contact but not damaged: Carry out Work Procedure 1.
b. If the electrical wiring harness is in contact and is damaged: Carry out Work Procedure 2.
c. If the electrical power supply line (3, Figure 3) (Cable cross section 10 mm²) is damaged: Carry out Work Procedure 3 .
d. If the electrical wiring harness is routed correctly:
End measure.
Work Procedure 1
The electrical wiring harness is in contact but not damaged!
- Cut cable tie at first clip (5, Figure 4).
- Adjust length of electrical wiring harnesses between red grommet (1, Figure 4) to first clip (5, Figure 4) as shown. The length must between 90 mm and max. 100 mm. The electrical wiring harnesses may not be in contact!
- Fasten both electrical wiring harnesses to the first clip with a new cable tie (5, Figure 4).
Check whether both electrical wiring harnesses are in contact at a different location. If so, carry out further corrective measures.
The electrical wiring harness may not be in contact at any point!
- Assemble in reverse order.
Work Procedure 2
If the electrical wiring harness is in contact and is damaged.
Carry out the following procedure:
If only the protective hose is slightly damaged:
- Wrap fabric tape around affected area.
- Route the electrical wiring harness (2, Figure 5) correctly as shown.
The electrical wiring harness (2, Figure 5) may not be in contact at any point!
- Assemble in reverse order.
If one or more of the electrical signal lines (cable cross section 0.35 mm² or 0.75 mm²) in the electrical wiring harness (2, Figure 5) are damaged:
- Repair the affected electrical signal line (cable cross section 0.35 mm² or 0.75 mm²) in the electrical wiring harness (2, Figure 5) using a line connector.
For basic information, see AR00.19-P-0100A.
To do this, cut the protective hose and, once repaired, connect the two ends of the protective hose with fabric tape by means of line connectors.
- Route electrical wiring harness (2, Figure 5) correctly as shown.
The electrical wiring harness (2, Figure 5) may not be in contact at any point!
- Assemble in reverse order.
Work Procedure 3
If the electrical power supply line (3, Figures 6 and 7) (cable cross section 10 mm²) is damaged, replace electrical supply line (3, Figures 6 and 7):
Use the following procedure to do this:
- Disconnect ground line of battery of 12 V on-board electrical system. For basic information, see AR54.10-P-0051WT.
- Remove protective metal sheet (4, Figure 6).
- Disconnect electrical power supply line (3, figure 6) from electrical connector.
- Remove front floor covering on the passenger side.
For basic information, see AR68.80-P-0008WT.
- Remove electrical power supply line (3, Figures 6 and 7) with grommet (1, Figures 6 and 7).
- Replace electrical power supply line (3, Figures 6 and 7).
The electrical wiring harness may not be in contact at any point!
- Assemble in reverse order.
Primary Parts Information
| Qty. | Part Name | Part Number |
| As required (1)*** | Fabric tape 25 m roll | A 007 989 07 85 08 |
| As required | Line connector | ** |
| As required | Cable tie | A 000 995 25 94 |
| As required (1)* | Model 206 transmission wiring harness | * |
| As required (1)* | Model 206 transmission wiring harness (Code M254+421+(550/554) +
(M005) | * |
* The required transmission wiring harness can be found in the Xentry parts process under the main group 54 ELECTRICAL EQUIPMENT AND INSTRUMENTS in Picture chart 545 – Picture number 700.
** The required line connector can be found in the Xentry parts process under the main group 54 ELECTRICAL EQUIPMENT AND INSTRUMENTS in Picture chart 019 contacting parts.
*** One 25 m roll of fabric tape is sufficient for at least 10 vehicles.
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 :
In September 2022, MBAG initiated investigations into an individual field report outside the US describing the vehicle’s transmission erroneously shifting into neutral. No crash, personal injury, or third party damages were reported in connection with this field report. The vehicle was inspected and repaired at a local dealership.
Based on the report, MBAG commenced an investigation to determine the root cause of the issue. Together with the local supplier, MBAG evaluated the tolerances of several wiring harnesses and found that the dimension of some transmission wiring harnesses slightly exceeded the specified tolerance range.
In November 2022, MBAG received a field report in the US involving a customer vehicle that triggered the check engine light. Based on this information, MBAG investigated whether the report could relate to the length of the wiring harness.
In February 2023, MBAG expanded its investigation to assess the potential consequences of chafing to the wiring harness on the front drive shaft.
In April 2023, MBAG expanded its investigation further to consider additional field reports to determine the extent of effects caused by chafing of the wiring harness. The analyses also limited the out-of-specification wiring harnesses to specific production batches. Subsequently, MBAG used this information to determine the potentially affected vehicle population equipped with the out-of-specification wiring harnesses.
On June 23, 2023, MBAG determined that a potential safety risk cannot be ruled out and decided to conduct a recall.
MBAG is currently aware of 1 field report in the US received on November 15, 2022. MBAG has not received any reports of crashes, injuries, deaths or property damage associated with this issue.
3 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| MERCEDES-BENZ | AMG C43 | 2023 |
| MERCEDES-BENZ | C300 | 2022-2023 |
6 Associated Documents
Recall Acknowledgement
RCAK-23V462-9228.pdf 645.233KB
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Defect Notice 573 Report
RCLRPT-23V462-3630.PDF 215.811KB
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Manufacturer Notices(to Dealers,etc)
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Remedy Instructions and TSB
RCRIT-23V462-4564.pdf 879.818KB
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Manufacturer Notices(to Dealers,etc)
RCMN-23V462-4292.pdf 929.579KB
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Remedy Instructions and TSB
RCRIT-23V462-8321.pdf 1002.785KB
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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23V-462 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Mercedes-Benz USA, LLC Submission Date : JUN 30, 2023 NHTSA Recall No. : 23V-462 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 : 8,178 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2022-2023 Mercedes-Benz C300 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS Descriptive Information : 8174 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the wiring harness manufactured according to current specifications. Production Dates : JUN 24, 2021 – SEP 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2023-2023 Mercedes-Benz AMG C43 Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS Descriptive Information : 4 Vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the wiring harness manufactured according to current specifications. Production Dates : JUN 24, 2021 – SEP 27, 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”) 2022-2023 C-Class (206 platform) vehicles with 4Matic, the length of the transmission wiring harness might not meet current specifications. FMVSS 1 : NR Part 573 Safety Recall Report 23V-462 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 FMVSS 2 : NR Description of the Safety Risk : In this case, the transmission wiring harness could chafe on the front drive shaft, which could potentially damage the wiring harness in a loss of vehicle propulsion. This might increase the risk of a crash. Description of the Cause : Due to a production deviation at a supplier, the length of a certain batch of wiring harnesses might be outside the specified tolerance range. Identification of Any Warning that can Occur : The driver would not receive advance warning due to the nature of the failure mechanism. If the failure occurs, the driver would be made aware through a warning message (e.g. “Transmission Malfunction Stop”, “Drive Malfunction Stop Restart Vehicle”, “Drive Malfunction Stop Contact Dealer”, and “Service Required Do Not Change Transmission Position”) in the instrument cluster. Involved Components : Component Name 1 : Transmission Electrical Wiring Harness Component Description : Transmission Electrical Wiring Harness Component Part Number : A2065407641 Component Name 2 : Transmission Electrical Wiring Harness Component Description : Transmission Electrical Wiring Harness Component Part Number : A2065407741 Component Name 3 : Transmission Electrical Wiring Harness Component Description : Transmission Electrical Wiring Harness Component Part Number : A2065407744 Component Name 4 : Transmission Electrical Wiring Harness Component Description : Transmission Electrical Wiring Harness Component Part Number : A2065407844 Supplier Identification : Part 573 Safety Recall Report 23V-462 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Component Manufacturer Name : Kromberg and Schubert Botswana Address : Plot 32084 Mahuditlhake Road Gaborone Foreign States Country : Botswana Chronology : In September 2022, MBAG initiated investigations into an individual field report outside the US describing the vehicle’s transmission erroneously shifting into neutral. No crash, personal injury, or third party damages were reported in connection with this field report. The vehicle was inspected and repaired at a local dealership. Based on the report, MBAG commenced an investigation to determine the root cause of the issue. Together with the local supplier, MBAG evaluated the tolerances of several wiring harnesses and found that the dimension of some transmission wiring harnesses slightly exceeded the specified tolerance range. In November 2022, MBAG received a field report in the US involving a customer vehicle that triggered the check engine light. Based on this information, MBAG investigated whether the report could relate to the length of the wiring harness. In February 2023, MBAG expanded its investigation to assess the potential consequences of chafing to the wiring harness on the front drive shaft. In April 2023, MBAG expanded its investigation further to consider additional field reports to determine the extent of effects caused by chafing of the wiring harness. The analyses also limited the out-of-specification wiring harnesses to specific production batches. Subsequently, MBAG used this information to determine the potentially affected vehicle population equipped with the out-of-specification wiring harnesses. On June 23, 2023, MBAG determined that a potential safety risk cannot be ruled out and decided to conduct a recall. MBAG is currently aware of 1 field report in the US received on November 15, 2022. MBAG has not received any reports of crashes, injuries, deaths or property damage associated with this issue. Description of Remedy : Description of Remedy Program : An authorized Mercedes-Benz dealership, will inspect the routing of the transmission wiring harness on the affected vehicles and rework it, if necessary. 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 Transmission wiring harness according to the length of specified tolerance range. Part 573 Safety Recall Report 23V-462 Page 4 The information contained in this report was submitted pursuant to 49 CFR §573 from Recalled Component : Remedy Parts: A2065407641 – Transmission Electrical Wiring Harness A2065407741 – Transmission Electrical Wiring Harness A2065407744 – Transmission Electrical Wiring Harness A2065407844– Transmission Electrical Wiring Harness A007989078508 – Cloth Tape A0009829210 – Line Connector A0009952594 – Cable Ties Identify How/When Recall Condition was Corrected in Production : A change in the production procedure of our supplier ensures that this issue can no longer occur from November 7, 2022 onwards. Recall Schedule : Description of Recall Schedule : Dealers will be notified of the pending voluntary recall campaign on July 7, 2023. Owners will be notified of the voluntary recall campaign before August 29, 2023. A copy of all communications will be provided when available. Planned Dealer Notification Date : JUL 07, 2023 – NR Planned Owner Notification Date : AUG 29, 2023 – NR * NR – Not Reported
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Recall Campaign Initial Notification
DATE: July 7, 2023
Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Com pany One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600 News Channel Update | Vehicle Compliance & Analysis Internal 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 FROM: Gregory Gunther, Senior Manager, Vehicle Compliance and Analysis, Engineering Services RE: Recall Campaign Initial Notification Inspect Transmission Wiring Harness Routing MY22-23 C-Class (206 platform) DATE: July 7, 2023 Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Com pany One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600 News Channel Update | Vehicle Compliance & Analysis Internal Recall Campaign Initial Notification July 7, 2023 Campaign No. : NHTSA ID Campaign Desc. : Inspect Transmission Wiring Harness Routing TBA 23V462 23P2197620 This is to notify you of the new Recall Campaign to inspect the transmission wiring harness routing on 8,178 Model Year (“MY”) 2022-2023 C-Class (206 platform) 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 7, 2023. Background Issue Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2022-2023 C-Class (206 platform) vehicles with 4Matic, the length of the transmission wiring harness might not meet current specifications. In this case, the transmission wiring harness could chafe on the front drive shaft, which could potentially damage the wiring harness and result in a loss of vehicle propulsion. This might increase the risk of a crash. If the failure occurs, the driver would be made aware through a warning message (e.g. “Transmission Malfunction Stop”, “Drive Malfunction Stop Restart Vehicle”, “Drive Malfunction Stop Contact Dealer”, or “Service Required Do Not Change Transmission Position”) in the instrument cluster. What We’re Doing MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will inspect the transmission wiring harness routing on the affected vehicles and rework it, if necessary. Parts Remedy is not available at this time. Vehicles Affected Vehicle Model Year(s) 2022-2023 Vehicle Model C-Class Vehicle Populations Total Recall Population 8,178 Total Vehicles in Dealer Inventory 3 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 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.
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Recall Campaign Launch Notification
DATE: August 4, 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 Internal 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-FORMERCEDES. 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 Inspect Transmission Wiring Harness Routing MY22-23 C-Class (206 platform) DATE: August 4, 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 Internal Recall Campaign Launch Notification August 4, 2023 Campaign No. : NHTSA ID CA DMV Campaign Desc. : Inspect Transmission Wiring Harness 2023070015 23V462 230715 23P5491316 Routing This is to notify you of the Safety and Emissions Recall Campaign Launch to inspect the transmission wiring harness routing on 8,178 Model Year (“MY”) 2022-2023 C-Class (206 platform) 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 August 4, 2023. Background Issue Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2022-2023 C-Class (206 platform) vehicles with 4MATIC, the length of the transmission wiring harness might not meet current specifications. In this case, the transmission wiring harness could chafe on the front drive shaft, which could potentially damage the wiring harness and result in a loss of vehicle propulsion. This might increase the risk of a crash. If the failure occurs, the driver would be made aware through a warning message (e.g. “Transmission Malfunction Stop”, “Drive Malfunction Stop Restart Vehicle”, “Drive Malfunction Stop Contact Dealer”, or “Service Required Do Not Change Transmission Position”) in the instrument cluster. What We’re Doing MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will inspect the transmission wiring harness routing on the affected vehicles and rework it, if necessary. Parts The remedy is available and can be performed. The approximate replacement rate of the wiringing harness is less than 1%. Do not order parts before inspection is complete. Vehicles Affected Vehicle Model Year(s) 2022-2023 Vehicle Model C-Class Vehicle Populations Total Recall Population 8,178 Total Vehicles in Dealer Inventory 3 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. Notice to California Dealers: As required by 13 CCR 2117, a proof of correction (“POC”) certificate showing that the vehicle has been repaired under this recall must be issued by the dealer, and that such a certificate may be required by California as a condition of vehicle re-registration or operation. Please reference this POC in the attached work instructions. Failure to complete this step may result in fines and penalties and lead to customer dissatisfaction. Next Steps/Notes Customer Notification Timeline Customer letters will be mailed on or before August 18, 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. 2023070015, August 2023 TO: ALL MERCEDES-BENZ CENTERS SUBJECT: Model C-Class (206 platform) Model Year 2022-2023 Inspect Transmission Wiring Harness Routing Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2022-2023 C-Class (206 platform) vehicles with 4MATIC, the length of the transmission wiring harness might not meet current specifications. In this case, the transmission wiring harness could chafe on the front drive shaft, which could potentially damage the wiring harness and result in a loss of vehicle propulsion. This might increase the risk of a crash. If the failure occurs, the driver would be made aware through a warning message (e.g. “Transmission Malfunction Stop”, “Drive Malfunction Stop Restart Vehicle”, “Drive Malfunction Stop Contact Dealer”, or “Service Required Do Not Change Transmission Position”) in the instrument cluster. An authorized Mercedes-Benz dealer will inspect the transmission wiring harness routing on the affected vehicles and rework it, 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 8,178 vehicles are affected. Order No. P-RC-2023070015 2 P-RC-2023070015 Inspect Transmission Wiring Harness Routing Test Procedure 1. Remove rear engine compartment lining (A, Figure 1). For basic information, see AR61.20-P-1105WT. Figure 1 2. Check routing and clearance (B, Figure 2) between the electrical wiring harnesses and the transmission tunnel/drive shaft, and the transfer case for the front axle differential. The electrical wiring harnesses must not contact the drive shaft or the transfer case for the front axle differential! Figure 2, condition not OK 3 P-RC-2023070015 a. If the electrical wiring harness is in contact but not damaged: Carry out Work Procedure 1. b. If the electrical wiring harness is in contact and is damaged: Carry out Work Procedure 2. c. If the electrical power supply line (3, Figure 3) (Cable cross section 10 mm²) is damaged: Carry out Work Procedure 3 . d. If the electrical wiring harness is routed correctly: End measure. Figure 3 4 P-RC-2023070015 Work Procedure 1 The electrical wiring harness is in contact but not damaged! 1. Cut cable tie at first clip (5, Figure 4). Figure 4 1. Adjust length of electrical wiring harnesses between red grommet (1, Figure 4) to first clip (5, Figure 4) as shown. The length must between 90 mm and max. 100 mm. The electrical wiring harnesses may not be in contact! 2. Fasten both electrical wiring harnesses to the first clip with a new cable tie (5, Figure 4). Check whether both electrical wiring harnesses are in contact at a different location. If so, carry out further corrective measures. The electrical wiring harness may not be in contact at any point! 3. Assemble in reverse order. Work Procedure 2 If the electrical wiring harness is in contact and is damaged. Carry out the following procedure: If only the protective hose is slightly damaged: 1. Wrap fabric tape around affected area. 2. Route the electrical wiring harness (2, Figure 5) correctly as shown. The electrical wiring harness (2, Figure 5) may not be in contact at any point! 5 P-RC-2023070015 Figure 5 3. Assemble in reverse order. If one or more of the electrical signal lines (cable cross section 0.35 mm² or 0.75 mm²) in the electrical wiring harness (2, Figure 5) are damaged: 1. Repair the affected electrical signal line (cable cross section 0.35 mm² or 0.75 mm²) in the electrical wiring harness (2, Figure 5) using a line connector. For basic information, see AR00.19-P-0100A. To do this, cut the protective hose and, once repaired, connect the two ends of the protective hose with fabric tape by means of line connectors. 2. Route electrical wiring harness (2, Figure 5) correctly as shown. The electrical wiring harness (2, Figure 5) may not be in contact at any point! 3. Assemble in reverse order. 6 P-RC-2023070015 Work Procedure 3 If the electrical power supply line (3, Figures 6 and 7) (cable cross section 10 mm²) is damaged, replace electrical supply line (3, Figures 6 and 7): Figure 6 Figure 7 Use the following procedure to do this: 1. Disconnect ground line of battery of 12 V on-board electrical system. For basic information, see AR54.10-P-0051WT. 2. Remove protective metal sheet (4, Figure 6). 3. Disconnect electrical power supply line (3, figure 6) from electrical connector. 4. Remove front floor covering on the passenger side. For basic information, see AR68.80-P-0008WT. 5. Remove electrical power supply line (3, Figures 6 and 7) with grommet (1, Figures 6 and 7). 6. Replace electrical power supply line (3, Figures 6 and 7). The electrical wiring harness may not be in contact at any point! 7. Assemble in reverse order. __________________________________________________________________________________________________ 7 P-RC-2023070015 Primary Parts Information Qty. Part Name Part Number As required (1)*** Fabric tape 25 m roll A 007 989 07 85 08 As required Line connector ** As required Cable tie A 000 995 25 94 As required (1)* Model 206 transmission wiring harness * As required (1)* Model 206 transmission wiring harness (Code M254+421+(550/554) + (M005) * * The required transmission wiring harness can be found in the Xentry parts process under the main group 54 ELECTRICAL EQUIPMENT AND INSTRUMENTS in Picture chart 545 – Picture number 700. ** The required line connector can be found in the Xentry parts process under the main group 54 ELECTRICAL EQUIPMENT AND INSTRUMENTS in Picture chart 019 contacting parts. *** One 25 m roll of fabric tape is sufficient for at least 10 vehicles. 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. __________________________________________________________________________________________________ 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.) 54 913 16 12-1810 Operations: Check electrical wiring harness in the area of the drive shaft and transfer case Includes: Remove/install rear section of lower engine compartment lining 0.3 12-1811 Operations: Fasten electrical wiring harness with a cable tie (after check) Work Procedure 1 0.1 12-1812 Operations: Wrap affected electrical wiring harness with fabric tape and route correctly (after check) As required. In addition to Work Procedure 1 0.1 12-1813 Operations: Repair affected electrical signal lines using line connector (after check) As required. In addition to Work Procedure 1 ZM 12-1814 Operations: Replace affected electrical power supply line (after check) Models 206.005/007/043/047/087 Includes: Disconnect/install ground line at 12 V battery, remove/install front passenger side floor covering 1.0 12-1814 Operations: Replace affected electrical power supply line (after check) Models 206.055/056/080 Includes: Disconnect/install ground line at 12 V battery, remove/install front passenger side floor covering 0.9 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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Recall Campaign Launch Notification
DATE: August 4, 2023
Revision A 8/18/2023
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 Internal 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-FORMERCEDES. 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 Inspect Transmission Wiring Harness Routing MY22-23 C-Class (206 platform) DATE: August 4, 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 Internal Recall Campaign Launch Notification August 4, 2023 Campaign No. : NHTSA ID CA DMV Campaign Desc. : Inspect Transmission Wiring Harness 2023070015 23V462 230715 23P5491316 Routing This is to notify you of the Safety and Emissions Recall Campaign Launch to inspect the transmission wiring harness routing on 8,178 Model Year (“MY”) 2022-2023 C-Class (206 platform) 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 August 4, 2023. Background Issue Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2022-2023 C-Class (206 platform) vehicles with 4MATIC, the length of the transmission wiring harness might not meet current specifications. In this case, the transmission wiring harness could chafe on the front drive shaft, which could potentially damage the wiring harness and result in a loss of vehicle propulsion. This might increase the risk of a crash. If the failure occurs, the driver would be made aware through a warning message (e.g. “Transmission Malfunction Stop”, “Drive Malfunction Stop Restart Vehicle”, “Drive Malfunction Stop Contact Dealer”, or “Service Required Do Not Change Transmission Position”) in the instrument cluster. What We’re Doing MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will inspect the transmission wiring harness routing on the affected vehicles and rework it, if necessary. Parts The remedy is available and can be performed. The approximate replacement rate of the wiringing harness is less than 1%. Do not order parts before inspection is complete. Vehicles Affected Vehicle Model Year(s) 2022-2023 Vehicle Model C-Class Vehicle Populations Total Recall Population 8,178 Total Vehicles in Dealer Inventory 3 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. Notice to California Dealers: As required by 13 CCR 2117, a proof of correction (“POC”) certificate showing that the vehicle has been repaired under this recall must be issued by the dealer, and that such a certificate may be required by California as a condition of vehicle re-registration or operation. Please reference this POC in the attached work instructions. Failure to complete this step may result in fines and penalties and lead to customer dissatisfaction. Next Steps/Notes Customer Notification Timeline Customer letters will be mailed on or before August 18, 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. 2023070015, August 2023 Revision A 8/18/2023 TO: ALL MERCEDES-BENZ CENTERS SUBJECT: Model C-Class (206 platform) Model Year 2022-2023 Inspect Transmission Wiring Harness Routing Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2022-2023 C-Class (206 platform) vehicles with 4MATIC, the length of the transmission wiring harness might not meet current specifications. In this case, the transmission wiring harness could chafe on the front drive shaft, which could potentially damage the wiring harness and result in a loss of vehicle propulsion. This might increase the risk of a crash. If the failure occurs, the driver would be made aware through a warning message (e.g. “Transmission Malfunction Stop”, “Drive Malfunction Stop Restart Vehicle”, “Drive Malfunction Stop Contact Dealer”, or “Service Required Do Not Change Transmission Position”) in the instrument cluster. An authorized Mercedes-Benz dealer will inspect the transmission wiring harness routing on the affected vehicles and rework it, 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 8,178 vehicles are affected. Order No. P-RC-2023070015 2 P-RC-2023070015 Inspect Transmission Wiring Harness Routing Test Procedure 1. Remove rear engine compartment lining (A, Figure 1). For basic information, see AR61.20-P-1105WT. Figure 1 2. Check routing and clearance (B, Figure 2) between the electrical wiring harnesses and the transmission tunnel/drive shaft, and the transfer case for the front axle differential. The electrical wiring harnesses must not contact the drive shaft or the transfer case for the front axle differential! Figure 2, condition not OK 3 P-RC-2023070015 a. If the electrical wiring harness is in contact but not damaged: Carry out Work Procedure 1. b. If the electrical wiring harness is in contact and is damaged: Carry out Work Procedure 2. c. If the electrical power supply line (3, Figure 3) (Cable cross section 10 mm²) is damaged: Carry out Work Procedure 3 . d. If the electrical wiring harness is routed correctly: End measure. Figure 3 4 P-RC-2023070015 Work Procedure 1 The electrical wiring harness is in contact but not damaged! 1. Cut cable tie at first clip (5, Figure 4). Figure 4 1. Adjust length of electrical wiring harnesses between red grommet (1, Figure 4) to first clip (5, Figure 4) as shown. The length must between 90 mm and max. 100 mm. The electrical wiring harnesses may not be in contact! 2. Fasten both electrical wiring harnesses to the first clip with a new cable tie (5, Figure 4). Check whether both electrical wiring harnesses are in contact at a different location. If so, carry out further corrective measures. The electrical wiring harness may not be in contact at any point! 3. Assemble in reverse order. Work Procedure 2 If the electrical wiring harness is in contact and is damaged. Carry out the following procedure: If only the protective hose is slightly damaged: 1. Wrap fabric tape around affected area. 2. Route the electrical wiring harness (2, Figure 5) correctly as shown. The electrical wiring harness (2, Figure 5) may not be in contact at any point! 5 P-RC-2023070015 Figure 5 3. Assemble in reverse order. If one or more of the electrical signal lines (cable cross section 0.35 mm² or 0.75 mm²) in the electrical wiring harness (2, Figure 5) are damaged: 1. Repair the affected electrical signal line (cable cross section 0.35 mm² or 0.75 mm²) in the electrical wiring harness (2, Figure 5) using a line connector. For basic information, see AR00.19-P-0100A. To do this, cut the protective hose and, once repaired, connect the two ends of the protective hose with fabric tape by means of line connectors. 2. Route electrical wiring harness (2, Figure 5) correctly as shown. The electrical wiring harness (2, Figure 5) may not be in contact at any point! 3. Assemble in reverse order. 6 P-RC-2023070015 Work Procedure 3 If the electrical power supply line (3, Figures 6 and 7) (cable cross section 10 mm²) is damaged, replace electrical supply line (3, Figures 6 and 7): Figure 6 Figure 7 Use the following procedure to do this: 1. Disconnect ground line of battery of 12 V on-board electrical system. For basic information, see AR54.10-P-0051WT. 2. Remove protective metal sheet (4, Figure 6). 3. Disconnect electrical power supply line (3, figure 6) from electrical connector. 4. Remove front floor covering on the passenger side. For basic information, see AR68.80-P-0008WT. 5. Remove electrical power supply line (3, Figures 6 and 7) with grommet (1, Figures 6 and 7). 6. Replace electrical power supply line (3, Figures 6 and 7). The electrical wiring harness may not be in contact at any point! 7. Assemble in reverse order. __________________________________________________________________________________________________ 7 P-RC-2023070015 Primary Parts Information Qty. Part Name Part Number As required (1)*** Fabric tape 25 m roll A 007 989 07 85 08 As required Line connector ** As required Cable tie A 000 995 25 94 As required (1)* Model 206 transmission wiring harness * As required (1)* Model 206 transmission wiring harness (Code M254+421+(550/554) + (M005) * * The required transmission wiring harness can be found in the Xentry parts process under the main group 54 ELECTRICAL EQUIPMENT AND INSTRUMENTS in Picture chart 545 – Picture number 700. ** The required line connector can be found in the Xentry parts process under the main group 54 ELECTRICAL EQUIPMENT AND INSTRUMENTS in Picture chart 019 contacting parts. *** One 25 m roll of fabric tape is sufficient for at least 10 vehicles. 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. __________________________________________________________________________________________________ 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.) 54 913 16 12-1810 Operations: Check electrical wiring harness in the area of the drive shaft and transfer case Includes: Remove/install rear section of lower engine compartment lining 0.3 12-1811 Operations: Fasten electrical wiring harness with a cable tie (after check) Work Procedure 1 0.1 12-1812 Operations: Wrap affected electrical wiring harness with fabric tape and route correctly (after check) As required. In addition to Work Procedure 1 0.1 12-1813 Operations: Repair affected electrical signal lines using line connector (after check) As required. In addition to Work Procedure 1 ZM 12-1814 Operations: Replace affected electrical power supply line (after check) Models 206.005/007/043/047/087 Includes: Disconnect/install ground line at 12 V battery, remove/install front passenger side floor covering 1.0 12-1814 Operations: Replace affected electrical power supply line (after check) Models 206.055/056/080 Includes: Disconnect/install ground line at 12 V battery, remove/install front passenger side floor covering 0.9 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. 8 P-RC-2023070015 The following step applies to California dealers only. Apply Proof of Correction Label (A 000 584 54 13) to area identified in Figure 1. Fill in the blank areas of the label. The campaign number for the California Proof of Correction is unique and must be entered as such (230715), your dealer code, and the date of the repair, using a black permanent marker. Note: Clean bonding surface prior to affixing label. Figure 1 The following step applies to California dealers only. Provide the owner with the completed and signed Proof of Correction Certificate (A 000 584 42 14) (Figure 2), after you scan a completed form and attach to the RO. The recall number for the California Proof of Correction is unique and must be entered as such (230715). Figure 2 California Proof of Correction Parts Information Qty. Part Name Part Number 1 Sheet (CA Dealers Only) A 000 584 42 14 1 Label (CA Dealers Only) A 000 584 54 13 Warranty Information (California dealers please submit under a separate claim) Damage Code Operation Number Description Labor Time (hrs.) 212CA 00 02-0001 Apply Proof of Correction Label and completed Proof of Correction Certificate 0.1
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