General information

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.

Check the battery in the SmartKey and replace it if necessary.
Unlock the driver's door using the mechanical key.
Lock the vehicle.
Have the starter battery and battery contacts checked at an authorized Mercedes-Benz Center.

If the SmartKey is faulty, contact Roadside Assistance or an authorized Mercedes-Benz Center.

    See also:

    Calling up a stored setting
    •► Press and hold the relevant storage position button 1, 2 or 3 until the seat, steering wheel and exterior mirrors are in the stored position. The setting procedure is interrupted as ...

    Cleaning the rear view camera
    – Use clear water and a soft cloth to clean camera lens 1. Do not clean the camera lens and the area around the rear view camera with a power washer. ...

    Driving with DISTRONIC PLUS
    Pulling away – If the vehicle in front pulls away: remove your foot from the brake pedal. – Briefly pull the cruise control lever towards you. or – Accelerate briefly. Your vehicle pulls away ...