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:

    Safety & Reliability
    As of this writing, the Insurance Institute for Highway Safety had not yet crash-tested the GL-Class. The nine standard airbags include three-row side curtain airbags, a driver's knee airbag and s ...

    Xenon bulbs
    If your vehicle is equipped with Xenon bulbs, you can recognize this by the following: the cone of light from the Xenon bulbs moves from the top to the bottom and back again when you start the ...

    Vehicle identification plate with vehicle identification number (VIN) and paint code number
      Open the driver's door. You will see vehicle identification plate 1. Example: vehicle identification plate (USA only) 2 VIN 3 Paint code Example: vehicle identification plate (Canada ...