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Mercedes-Benz SLK300 Recall 16V211: Vehicle May Roll Away After Power Loss While Driving

NHTSA campaign 16V211, reported April 13, 2016, 223 vehicles potentially affected.

What this recall means for you

The backup power supply for the ignition switch may not be properly connected. If the main battery loses power while the car is moving, the transmission cannot be shifted to Park and the electric parking brake cannot be applied. The only way to hold the vehicle is to keep the brake pedal pressed.

The danger is that as soon as the driver tries to exit, the vehicle may roll, which increases the risk of injury. Owners should have their vehicle checked by an authorized Mercedes-Benz dealer; the ignition switch wiring will be corrected and a software update installed at no cost. Owners can also contact Mercedes-Benz USA customer service at 1-800-367-6372, and should check their VIN for any 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 16V211Mercedes-Benz USA, LLC.
Component
ELECTRICAL SYSTEM:WIRING
Problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2016 SLK300 vehicles manufactured June 2, 2015 to July 14, 2015 and equipped with a nine-speed automatic transmission. The backup power supply for the ignition switch in the affected vehicles may not have been properly connected. As a result, if the vehicle is being driven and there is a loss of power from the main vehicle battery, the transmission cannot be shifted to "Park" nor can the electric parking brake be applied.
Risk
In this situation, without the backup power supply, the only way to keep the vehicle from moving is to press the brake pedal. As soon as the driver attempts to exit the vehicle, the vehicle may roll, increasing the risk of injury.
Remedy
MBUSA will notify owners, and dealers will correct the ignition switch wiring and perform a software update, free of charge. The recall began on May 9, 2016. 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 SLK3002016