Locking the vehicle

If the vehicle can no longer be locked with the SmartKey, you can lock it by taking the following steps. If the central locking in the vehicle is malfunctioning, you cannot lock the trunk.

rear doors. Press down the locking knobs on the open rear doors.
Close the rear doors.
Open the front-passenger door.
Close the driver's door and the trunk lid.
door inside the vehicle. Press down the locking knob of the driver's door inside the vehicle.
front-passenger door. Press down the locking knob of the open front-passenger 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 front-passenger door.
locked. Make sure that the doors and the trunk 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.

    See also:

    Operation
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    Cleaning the steering wheel and gear or selector lever
    Thoroughly wipe with a damp cloth or use leather care agents that have been recommended and approved by Mercedes-Benz. ...

    Resetting the side windows
    If a side window can no longer be closed fully, you must reset it. - Close all the doors. - Turn the SmartKey to position 1 or 2 in the ignition lock. - Pull the corresponding switch on the doo ...