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.

•► Check the battery in the SmartKey and replace it if necessary.

•► Unlock the driver's door using the mechanical key.

•► Lock the vehicle using the mechanical key.

•► 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:

    Fast forward/rewind
    Slide and hold the COMAND controller until the desired position has been reached. You see the navigation menu. ...

    Tailgate emergency release
    If the tailgate can no longer be opened from outside the vehicle, use the emergency release on inside of the tailgate. - Take the mechanical key out of the SmartKey. To open the tailgate compl ...

    SRS warning lamp
    SRS functions are checked regularly when you switch on the ignition and when the engine is running. Therefore, malfunctions can be detected in good time. The SRS warning lamp in the instrume ...