February 14, 2020 NHTSA CAMPAIGN NUMBER: 20V090000
Deactivation of the vehicle stability control system or anti-lock brakes may increase the risk of a crash.
NHTSA Campaign Number: 20V090
Manufacturer Mercedes-Benz USA, LLC.
Potential Number of Units Affected 6,517
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019-2020 G550 4MATIC and G63 AMG 4MATIC vehicles. An electrical resistor within the differential locking module may malfunction, interrupting communication between the control unit and the differential locking actuator, possibly resulting in the deactivation of the Electronic Stability Program (ESP) and Anti-lock Brake System (ABS) while driving.
MBUSA will notify owners, and dealers will inspect the differential locking modules and replace them as necessary, free of charge. The recall is expected to begin April 14, 2020. Owners may contact MBUSA customer service at 1-800-367-6372.
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.safercar.gov.
|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
Differential Locking System
|DATE: February 21, 2020|
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-FORMERCEDES.
Department Manager, Vehicle Compliance & Analysis
|Campaign No. :||NHTSA ID||Campaign Desc. :||Differential Locking System|
|This is to notify you of a new Recall Campaign regarding the control unit of the differential locking module in 6,517 Model Year (“MY”) 20192020 G-Class (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 February 21, 2020.|
|Issue||Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2019-2020 G-Class vehicles (463 platform), the control unit of the differential locking module might not meet current production specifications. The electrical contact of a specific resistor might be impaired due to sulfur fumes originating from the axle oil. If the resistor is impaired, the electrical currents calculated with this resistor would have a higher value than what actually exists. As a result, the communication between the control unit and the locking actuator will shut down and the differential locking status might no longer be reliably determined. According to the specified system strategy for locked differentials, both ESP and ABS systems would be deactivated. This could increase the risk of a crash under certain operating conditions. The customer will be made aware of the issue by an ABS and ESP message in the instrument cluster.|
|What We’re Doing||MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will check the differential locking modules on the affected vehicles and replace them, if necessary.|
|Parts||A remedy is not yet available. An additional notification will be sent once a remedy is available.|
|Vehicle Model Year(s)||2019-2020|
|Total Recall Population||6,517|
|Total Vehicles in Dealer Inventory||13|
|Given this notice, it is a violation of Federal law for a dealer to sell or lease any new MY19-20 G-Class vehicles in dealer inventory covered by this notification until the vehicle has been remedied or until NHTSA approves the petition for inconsequential noncompliance. Once the remedy is available, the vehicles may be removed from this recall population.
Loaner and demonstrator vehicles may continue to be driven, but must not be retailed until repaired.
Additionally, given this notice, it is a violation of Federal Law for car rental companies to rent MY19-20 G-Class vehicles covered by this notification until the vehicle has been repaired.
|Customer Notification Timeline||Customer letter mailing timelines are pending.|
|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.|
|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.|
4 Affected Products
|MERCEDES BENZ||AMG G63||2019-2020|
3 Associated Documents
Manufacturer Notices(to Dealers,etc) – Recall Campaign Initial Notification – Differential Locking System MY19-20 463(G-Class)
Defect Notice 573 Report
Latest Recalls Documents
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Last update on 2020-03-30 / Affiliate links / Images from Amazon Product Advertising API
Last update on 2020-03-30 / Affiliate links / Images from Amazon Product Advertising API