General notes

If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged.

replace it if necessary. Check the battery in the SmartKey and replace it if necessary.
mechanical key. Unlock the driver's door using the mechanical key.
Lock the vehicle.
contacts checked at a qualified specialist Have the starter battery and the battery contacts checked at a qualified specialist workshop.

If the SmartKey is faulty, contact Roadside Assistance or a qualified specialist workshop.

    See also:

    Lap evaluation
    This function is only available if you have stored at least two laps and have stopped the RACETIMER. •► Press on the steering wheel to select the AMG menu. •► Press the button re ...

    Even more effective brake discs and brake booster
    The brake system helps to reduce the unsprung masses through the use of floating (four- and six-cylinder models) or fixed front callipers with housings in aluminium or aluminium composite design a ...

    Position of the steering wheel for driving
    The steering wheel is moved to the last selected position when: the driver's door is closed. you insert the SmartKey into the ignition lock. or you press the Start/Stop button once on ve ...