The defect
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.
The risk
Deactivation of the vehicle stability control system or anti-lock brakes may increase the risk of a crash.
The remedy
MBUSA will notify owners, and dealers will inspect the differential locking modules and replace them as necessary, free of charge. The recall began August 21, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020070005.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Mercedes-Benz AMG G63 | 2019, 2020 |
| Mercedes-Benz G 550 | 2019, 2020 |
Components: ELECTRONIC STABILITY CONTROL (ESC) | SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP | POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Mercedes-Benz AMG G63 | 2019 | 1 | 8 |
| Mercedes-Benz AMG G63 | 2020 | 0 | 7 |
| Mercedes-Benz G 550 | 2019 | 5 | 12 |
| Mercedes-Benz G 550 | 2020 | 2 | 8 |
Other electronic stability control (esc) recalls in 2020
10 of the 782 recall campaigns reported to NHTSA in 2020 concerned the electronic stability control (esc); Mercedes-Benz USA, LLC. filed 199 campaigns in all.
| 20V739000 25 Nov 2020 | PACCAR Incorporated |
| 20V732000 24 Nov 2020 | Bugatti |
| 20V406000 14 Jul 2020 | Daimler Coaches North America |
| 20V395000 6 Jul 2020 | Mercedes-Benz USA, LLC. |
| 20V303000 27 May 2020 | Thor Motor Coach |
| 20V209000 9 Apr 2020 | Forest River, Inc. |
| 20V210000 9 Apr 2020 | Forest River, Inc. |
| 20V199000 6 Apr 2020 | PACCAR Incorporated |
NHTSA recalls (public domain) · all recalls of 2020