Mercedes-Benz GL-Class: General information - SmartKey - Opening/closing - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: 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.

    Important safety notes
    WARNING   When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle. Do not leave children unsupervised in the ...

    See also:

    Cruise Control Messages
    CRUISE SET TO XXX This message displays whenever the cruise control is set. See Cruise Control  for more information. ...

    Linking intelligent key
    The Climate control system settings can be memorized for each Intelligent Key. For more details, see “Setting memory function” in the “3. Pre-driving checks and adjustments” section. ...

    Hiding display messages
    You can hide some display messages with a low priority. ► Press the , button on the steering wheel to select another display. or ► Press the R reset button on the instrument clus ...