Locking the vehicle (mechanical key)
If the vehicle can no longer be locked with the SmartKey, use the mechanical key.
- Open the driver's door.
- Close the front-passenger door, the rear doors and the tailgate.
- Press the locking button ().
- Check whether the locking knobs on the front-passenger door and the rear doors are still visible. Press down the locking knobs by hand, if necessary.
- Close the driver's door.
- Take the mechanical key out of the SmartKey ().
- Insert the mechanical key into the lock of the driver's door as far as it will go.

- Turn the mechanical key clockwise as far as it will go to position 1.
- Turn the mechanical key back and remove it.
- Make sure that the doors and the tailgate are locked.
- Insert the mechanical key into the SmartKey.
If you lock the vehicle as described above, the fuel filler flap is not locked.
The antitheft alarm system is not armed.
See also:
Engine oil
Vehicles with a diesel particle filter:
If the vehicle is mostly driven for short
distances, it is possible that malfunctions
may occur during the automatic cleaning of
the diesel particle fil ...
Checking tire pressure electronically
Make sure that the SmartKey is in position
2 in the ignition lock.
Press the or
button on the
steering wheel to select the Service
menu.
Press the or
button to select
Tire Pressure. ...
Turn signals
Turn signals
1 High-beam headlamps
2 Right turn signal
3 High-beam flasher
4 Left turn signal
To indicate briefly:
press the combination
switch briefly to the pressure point in the
direc ...
