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:

    Wheels and Trim—Aluminum or Chrome
    Use a soft, clean cloth with mild soap and water to clean the wheels. After rinsing thoroughly with clean water, dry with a soft, clean towel. A wax may then be applied. Keep the wheels clean using ...

    Add-On Electrical Equipment
    Notice: Do not add anything electrical to the vehicle unless you check with your dealer first. Some electrical equipment can damage the vehicle and the damage would not be covered by the vehicle' ...

    Setting DSR
    With the DSR speed function, you can set the speed of DSR (the speed for driving downhill) to a value between 3 mph (Canada: 4 km/h) and 10 mph (Canada: 18 km/h). The adjustments are made in 1-mp ...