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Mercedes-Benz AMG G65 Recall 18V457: Software Error Can Destabilize Vehicle in Reverse, Risking Rollover

NHTSA campaign 18V457, reported July 10, 2018, 20 vehicles potentially affected.

What this recall means for you

Certain 2017 G65 AMG vehicles may have incorrect reverse speed limitation software. When the vehicle is in reverse and traveling faster than 16 mph, abrupt steering changes can cause it to become unstable.

An unstable vehicle in reverse can roll over, which increases the risk of injury to occupants. Owners should be aware of this risk, especially when backing up at speed.

The remedy is free. Mercedes-Benz USA will notify affected owners, and authorized dealers will update the engine control unit (ECU) software at no cost. Owners can contact Mercedes-Benz USA customer service at 1-800-367-6372, and should check their VIN for open recalls.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 18V457Mercedes-Benz USA, LLC.
Component
ELECTRICAL SYSTEM:SOFTWARE; VEHICLE SPEED CONTROL
Problem
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2017 Mercedes-Benz G65 AMG vehicles. These vehicles may be equipped with the incorrect reverse speed limitation software. While in reverse, any abrupt changes in steering while exceeding 16 MPH may cause the vehicle to become unstable.
Risk
An unstable vehicle in reverse gear can lead to a vehicle rollover, increasing the risk of injury.
Remedy
MBUSA will notify owners, and dealers will update the engine control unit (ECU) software, free of charge. The recall began August 3, 2018. 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.safercar.gov.

Affected vehicles

Mercedes-Benz AMG G652017