Mercedes-Benz GL-Class: Locking the vehicle - Doors - Opening/closing - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Locking the vehicle

If the vehicle can no longer be locked with the SmartKey, you can lock it by taking the following steps.

Close the front-passenger door, the rear door on the front-passenger side and the tailgate.
Open the driver’s door and the rear door on the driver’s side.
Press the locking button on the driver’s door.

The locking knobs in the front-passenger door and in the rear doors drop down.

Press down the locking knobs in the frontpassenger and rear doors manually, if necessary.
Close the driver's door from the outside.
Press down the locking knob of the driver's door by reaching in through the open rear door.

your person and that it has not been left in Make sure that you have the SmartKey on your person and that it has not been left in the vehicle.

Close the rear door on the driver’s side.
Make sure that the doors and the tailgate are locked.

the fuel filler flap is not locked. The antitheft If you lock the vehicle as described above, the fuel filler flap is not locked. The antitheft alarm system is not armed.

    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:

    Loss of Control
    Skidding There are three types of skids that correspond to the vehicle's three control systems: ► Braking Skid — wheels are not rolling. ► Steering or Cornering Skid — too muc ...

    Vehicle data, GL 450
    The data stated here refers specifically to a vehicle with standard equipment. Consult an authorized Mercedes-Benz Center for the data for all vehicle variants and trim levels. ...

    Child safety locks
    If children are to be carried in the rear seat positions, it is recommended that the rear door interior handles are disabled. See 27, USING SEAT BELTS AND CHILD SAFETY LOCKS. ...