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.
SmartKey positions
0 To remove the SmartKey
1 Power supply for some consumers, such
as the windshield wipers
2 Ignition (power supply for all consumers)
and drive position
3 To start the engine
As soon as the ig ...
Fuses
Important safety notes
WARNING
Only use fuses that have been approved for
Mercedes-Benz vehicles and that have the
correct fuse rating for the systems
concerned. Do not attempt to repair or brid ...
Safety
Seat belts
Safety systems
...