If the vehicle can no longer be centrally locked with the SmartKey, use the mechanical key.
► Close the front-passenger door, the rear doors and the tailgate.
► Press the locking button .
► Make sure that the locking knobs on the doors are still visible. Press down the locking knobs by hand, if necessary.
► Close the driver's door from the outside.
► 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.
Engine
...
Fuse box in the engine compartment
Make sure that no moisture can enter the
fuse box when the cover is open.
When closing the cover, make sure that it
is lying correctly on the fuse box. Moisture
seeping in or dirt could otherwise ...
Roadside Assistance
The Mercedes-Benz Roadside Assistance
Program offers technical help in the event of
a breakdown. Calls to the toll-free Roadside
Assistance Hotline are answered by our
agents 24 hours a day, 365 d ...