See also:

Problems with the SmartKey
Problem Possible causes/consequences and Solutions You cannot lock or unlock the vehicle using the SmartKey. The SmartKey battery is discharged or nearly discharged. ...

Towing the vehicle with the rear axle raised
Only possible on vehicles without 4MATIC. When towing your vehicle with the rear axle raised, it is important that you observe the safety instructions. The ignition must be switched off if ...

ADAPTIVE BRAKE
ADAPTIVE BRAKE enhances braking safety and offers increased braking comfort. In addition to the braking function, ADAPTIVE BRAKE also has the HOLD function and hill start assist. For further ...