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.

    See also:

    Electronic helpers: the new assistance systems in the Mercedes-Benz C-Class
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    Activating/deactivating
    - Turn the SmartKey to position 2 in the ignition lock. - To switch on: press the button. The indicator lamp in the button lights up. Airflow and air distribution are set to automatic mode ...

    Important safety notes
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