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:

    Fuel grade
    Only refuel with ULTRA-LOW SULFUR DIESEL FUEL (ULSD, 15 ppm SULFUR MAXIMUM). Using other diesel fuels could result in increased wear and damage to the engine and/or exhaust system. Never r ...

    Downloading destinations in COMAND
    Information on the components and operating principles of COMAND can be found in the separate COMAND operating instructions. You can only use the Destination Download function if the vehi ...

    Position of the steering wheel when theEASY-ENTRY/EXIT feature is active
    The steering wheel swings upwards when you: • remove the SmartKey from the ignition lock • open the driver's door and KEYLESS-GO is in position 1 • open the driver's door and the SmartKey is ...