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.

The antitheft alarm system is not armed. If you lock the vehicle as described above, the fuel filler flap is not locked. The antitheft alarm system is not armed.

    See also:

    Tailgate emergency release
    If the tailgate can no longer be opened from outside the vehicle, use the emergency release on inside of the tailgate. - Take the mechanical key out of the SmartKey. To open the tailgate compl ...

    Turn signal lamp (halogen headlamps)
    Due to their location, have the bulbs in the left-hand headlamp changed at a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center. •► Switch off the lights. •► ...

    Overview of transmission positions
    Example: selector lever P Park position with selector lever lock R Reverse gear N Neutral D Drive ...