Unlocking the driver's door (mechanical key)
If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be triggered.
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
counterclockwise to position 1.
The door is unlocked.
Turn the mechanical key back and
remove it.
Insert the mechanical key into the
SmartKey.
See also:
Folding the exterior mirrors in or out
automatically
This function is only available in vehicles for
Canada.
If the "Fold in mirrors when locking" function
is activated in the on-board computer
- the exterior mirrors fold in automa ...
Electronic helpers: the new assistance systems in the Mercedes-Benz C-Class
Adaptive Highbeam Assist. When vehicles are detected ahead of or approaching
the vehicle, this system automatically dips the beams and adjusts the range of
the headlamps appropriate to the distanc ...
Exterior mirror out of position
If an exterior mirror has been pushed out of position, proceed as follows:
Vehicles without electrically folding exterior mirrors: move the exterior
mirror into the correct position manually.
...
