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:

    Bulb Replacement
    For the proper type of replacement bulbs, see Replacement Bulbs  . For any bulb-changing procedure not listed in this section, contact your dealer. ...

    SNOW mode
    For driving or starting the vehicle on snowy roads or slippery areas, turn the SNOW mode on. To turn the SNOW mode on, push the SNOW mode switch. The SNOW mode indicator light on the meter ...

    Operating audio player or audio media
    Audio data from various audio devices or media can be played, depending on the equipment installed in the vehicle. ► Switch on COMAND and select the audio device or medium (see the separat ...