Rear Axle Differential Housing May Break – 2022-2023 Mercedes-Benz AMG G63

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December 15, 2023 NHTSA CAMPAIGN NUMBER: 23V851000

Rear Axle Differential Housing May Break

Oil leaking onto the roadway may cause a road hazard for following traffic. Rear axle failure can result in a sudden loss of handling or drive power. Either of these conditions can increase the risk of a crash.

 

NHTSA Campaign Number: 23V851

Manufacturer Mercedes-Benz USA, LLC

Components POWER TRAIN

Potential Number of Units Affected 588

 

Summary

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 AMG G63 special edition 4×4² (squared) vehicles. The rear axle differential housing may develop cracks, possibly resulting in oil leaking onto the roadway or axle failure.

 

Remedy

Owners are advised not to drive their vehicles until the repair has been performed. Towing to an authorized Mercedes-Benz dealer may be necessary. The remedy is currently under development. Interim owner notification letters explaining the safety risk were mailed January 19, 2024. A second notice will be sent once remedy parts become available. Owners may contact MBUSA customer service at 1-800-367-6372.

 

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

 


February 16, 2024

SUMMARY OF NCU UPDATES

1. Update to FAQ #2

2. Update to FAQ #6

TBA

Rear Axle Differential Housing

This is to notify you of a new STOP DRIVE Recall Campaign regarding the rear axle differential housing on 590 Model Year (“MY”) 2022-2023 AMG G63 4×4 squared (463 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 December 20, 2023. An additional two VINs flagged in VMI as “PENDING” on January 20, 2024.

 

Issue

Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY2022-2023 AMG G63 (463 platform) special edition 4×4² (squared) vehicles, the rear axle differential housing might not meet the strength requirements. Cracks in the rear axle differential housing might occur during vehicle operation, which may lead to differential oil leaking onto the roadway. In this case, a risk of a crash for following vehicle traffic may be increased. Further, fracturing of the housing cannot be ruled out and could lead to an interruption of the power transmission on the rear axle, in which a loss of wheel guidance and a loss of propulsion without warning cannot be ruled out. In this case, the risk of a crash or injury could be increased.

 

What We’re Doing

MBUSA will conduct a voluntary recall. The remedy is currently under analysis.  As a precautionary measure, towing to an authorized Mercedes-Benz dealer may be necessary until a remedy is completed.  Vehicle owners will be informed by the MBUSA Customer Assistance Center (CAC) to stop driving their vehicles immediately. The CAC can assist owners to contact their preferred authorized Mercedes-Benz dealer to make arrangements for a loaner vehicle and/or towing, which, if needed, will be provided at no cost.

 

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 MY22-23 AMG G63 4×4 squared (463 platform)  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.

Until the inspection/remedy is completed, affected vehicle owners will be instructed by the MBUSA Customer Assistance Center (CAC) to stop driving their vehicles and will assist to make arrangements with their preferred authorized Mercedes-Benz dealer to have the vehicle towed for inspection.

 

Customer Notification Timeline

Vehicle owners will be informed by the MBUSA CAC starting as early as December 20th to stop driving their vehicles.  Customers will also receive a head unit pop-up message informing them of this STOP DRIVE recall, and to contact their preferred dealer or the CAC for mobility and other options. Customer letters will be mailed on January 19, 2024.

 


FAQs

Can the customer continue to drive their vehicle?

This is a STOP DRIVE recall, and customer safety is our highest priority. MBUSA advises customers to stop driving their vehicle until the remedy is performed. Vehicle owners will be informed by the MBUSA Customer Assistance Center (CAC) starting December 20, 2023, to stop driving their vehicles. Customers will also receive an in-vehicle Head-Unit notification to stop driving their vehicle starting December 29, 2023. The Head-Unit messaging will continue to appear until the vehicle’s remedy has been completed. Customers will be notified by first class mail on January 19, 2024, to stop driving their vehicle.

 

Will the Dealer provide a loaner vehicle?

  • In efforts to support dealers during this STOP DRIVE Recall, temporary Courtesy Vehicle Program (CVP) slots may be provided on an as-needed basis. Once a customer has contacted the dealer for loaner vehicle support, please contact the CVP team for additional steps.
  • Short-Term Mobility Option – Rental Vehicles, Ride-Share, Personal Transportation and Vehicle Transport to/from the Dealer: Dealers should submit a claim using damage code 35600 01 and enter the

corresponding amount on the sublet line. Rental vehicles are limited to a maximum of 60 days, and up to $250.00 per day, during which time transactions for repurchase or trade assist – (Reference “Goodwill considerations for Recall Campaign – Recall Axle Differential Housing”) are being executed. Supporting documentation for mobility expenses must be attached to the claim. All sublet claims are subject to review by MBUSA.

 

Customers are advised not to drive their vehicle; will towing be offered?

Towing will be offered free of charge and can be arranged by the dealer, or by calling 1-855-853-9454 for assistance.

 

Media articles state customers of the affected vehicles should stop driving their vehicle; what should they do?

A VIN-based recall lookup tool on the MBUSA.com website offers a search feature that will indicate whether a vehicle has been subject to a safety recall. See https://www.mbusa.com/en/recall for more details. If the vehicle status is listed as “Pending” or “Open”, the vehicle MUST NOT be driven until the repair is performed.

 

The customer received a letter but no longer owns the vehicle. How can they update ownership information?

Customers should be directed to the MBUSA recall website at https://www.mbusa.com/en/recall, where they can enter their VIN and update their contact information, or by calling 1-855-853-9454 for assistance.

 

How do dealers submit for other limited customer and vehicle mobility solutions to and from the dealer, including ride sharing, public transportation and vehicle transport?

Dealer should submit a claim using damage code 35600 01 and enter the corresponding amount on the sublet line. Supporting documentation for mobility expenses to and from the dealer (ride sharing, public transportation and vehicle transport) must be attached to the claim. All sublet claims are subject to review by MBUSA.

Vehicle onsite storage:  * Valid until the recall campaign is marked as “Open”. *

  • Dealer should submit a claim once every 30 days
  • Claim amount is limited to $250/30 days.

 

The customer wishes to keep driving the vehicle and refuses the repair. How do I handle this situation? Customer safety is our top priority at Mercedes-Benz. If the customer insists on driving the vehicle despite the warnings associated with a “STOP DRIVE” recall, the following language MUST be added to the Repair Order and initialed by the customer:

______ (Initial Here) ASSUMPTION OF RISK FOR REMOVAL OF VEHICLE. I understand that my vehicle is subject to a “STOP DRIVE” recall and that continuing to drive my vehicle involves inherent risks and dangers of accidents, property loss or damage, and serious personal injury to me and others, as well as potential financial losses. I have carefully considered the extent of the risks involved, and I voluntarily and freely choose to assume these risks.

 

The customer wishes to keep driving the vehicle and is refusing to initial the “Assumption of Risk” on the Repair Order. How do I handle this situation?

Please follow the same protocol used at your dealer when a customer refuse services. Make a notation on the RO that “customer refuses to initial the Assumption of Risk.” A customer signature must be recorded on the RO.

 


Chronology :

In November 2023, MBAG launched initial investigations based on an internal test showing traces of fracturing on the housing of the rear axle transmission. Immediately, detailed analyses of the failure mechanism and root cause were started together with the supplier. Those analyses are still ongoing. Subsequently, a plant campaign was initiated in order to address all vehicles still accessible by MBAG. In parallel an additional customer complaint from the field (Outside USA) which might be related to the issue was identified. No third-party damages or personal injuries were reported in this relation.

In addition, possible consequences for the vehicles in the field were analyzed along with the determination of the potentially affected vehicles in the field.

On December 08, 2023, MBAG determined that a potential safety risk cannot be ruled out and decided to conduct a recall.

MBUSA contacted the agency on December 15, 2023 to inform NHTSA of the safety recall, stop drive instructions, and that communications with owners would start as soon as possible.

MBAG is aware of one customer complaint from the field in the USA. MBAG is not aware of any cases of third-party damages, injuries or fatalities in this relation in the USA.

 


2 Affected Products

Vehicle

MAKE MODEL YEAR
MERCEDES-BENZ AMG G63 2022-2023

 


13 Associated Documents

Recall Acknowledgement

RCAK-23V851-4582.pdf 786.176KB

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Defect Notice 573 Report

RCLRPT-23V851-5040.PDF 215.536KB

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Recall 573 Report – 12/18/2023

RCLRPT-23V851-2136.PDF 215.533KB

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Manufacturer Notices(to Dealers,etc)

RCMN-23V851-1856.pdf 189.983KB

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Manufacturer Notices(to Dealers,etc)

RCMN-23V851-4302.pdf 190.837KB

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Recall 573 Report – December 18, 2023

RCLRPT-23V851-3780.PDF 215.533KB

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SMS Notification

RMISC-23V851-3682.pdf 136.157KB

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ISSUED Interim Owner Notification Letter(Part 577)

RIONL-23V851-0760.pdf 393.231KB

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Recall 573 Report – 01/23/2024

RCLRPT-23V851-8692.PDF 215.918KB

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Recall 573 Report – 01/19/2024

RCLRPT-23V851-2521.PDF 215.59KB

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Manufacturer Notices(to Dealers,etc)

RCMN-23V851-0339.pdf 191.204KB

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ISSUED Interim Owner Notification Letter(Part 577)

RIONL-23V851-6155.pdf 287.014KB

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ISSUED Interim Owner Notification Letter(Part 577)

RIONL-23V851-4114.pdf 287.014KB

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Latest Recalls Documents

For the Latest and Most recent Recall Information Visit the link below…

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=23V851&docType=RCL

 


 

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