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:

    Tire tread
    WARNING   Although the applicable federal motor vehicle safety laws consider a tire to be worn when the tread wear indicators (TWI) become visible at approximately 1/16 in (1.6 mm), we r ...

    Power steering fluid
    Check the fluid level in the reservoir. The fluid level should be checked using the HOT range (1 : HOT MAX., 2 : HOT MIN.). at fluid temperatures of 122 to 1768F (50 to 808C) or using the CO ...

    Recommended Fuel
    Use premium unleaded gasoline with a posted octane rating of 91 or higher. You can also use regular unleaded gasoline rated at 87 octane or higher, but the vehicle's acceleration could be slight ...