Mercedes-Benz GL-Class: Automatic locking feature - Doors - Opening/closing - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Automatic locking feature

The vehicle locks automatically when the ignition is switched on and the wheels of the vehicle are turning at a speed of more than 9 mph (15 km/h).

You could therefore be locked out when:

the vehicle is being pushed.
the vehicle is being towed.
the vehicle is being tested on a dynamometer.

You can switch the automatic locking function on and off using the on-board computer.

    Centrally locking and unlocking thevehicle from the inside
    You can centrally lock or unlock the vehicle from the inside. The central locking/unlocking button does not lock or unlock the fuel filler flap. The buttons are located on both front doors. ...

    Unlocking the driver's door(mechanical key)
    If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be trigge ...

    See also:

    Cleaning the wheels
    Do not use acidic wheel cleaning products to remove brake dust. This could damage wheel bolts and brake components. Do not park the vehicle for an extended period straight after cleaning it, ...

    Gasoline Specifications (U.S. and Canada Only)
    At a minimum, gasoline should meet ASTM specification D 4814 in the United States or CAN/CGSB-3.5 or 3.511 in Canada. Some gasolines contain an octane-enhancing additive called methylcyclopentadieny ...

    When the System Does Not Seem To Work Properly
    Missed alerts can occur under normal circumstances and will increase in wet conditions. The system does not need to be serviced. SBZA is designed to ignore stationary objects; however, the system ma ...