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.

SmartKey and 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.
mechanical key. Lock the vehicle using the mechanical key.
battery contacts checked at a qualified specialist workshop. 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:

    Displaying the range and current fuel consumption
    Press the or button on the steering wheel to select the Trip menu. Press the or to select the current fuel consumption and the approximate range. The approximate range that can be ...

    Setting the map to the vehicle position, intermediate stop or destination position
    Centering the map on the vehicle position To show the menu: press the COMAND controller. Select Position in the navigation system menu bar by sliding and turning the COMAND controller a ...

    Instruction labels for tires and loads
    WARNING Do not overload the tires by exceeding the specified load limit as indicated on the Tire and Loading Information placard on the driver's door B-pillar. Overloading the tires can ove ...