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.

► Firmly turn the mechanical key
counterclockwise
as far as it will go to position
1 and hold it in this position.
► Pull the door handle quickly.
The locking knob pops up.
The door is unlocked.
► Turn the mechanical key back and remove
it.
► Pull the door handle again.
► Insert the mechanical key into the
SmartKey.
See also:
NECK-PRO luxury head restraints
If you have difficulty resetting the NECKPRO
luxury head restraints, have this work
carried out at a qualified specialist
workshop, e.g. an authorized Mercedes-
Benz Center.
► Remove res ...
Drive sensibly – save fuel
Observe the following tips to save fuel:
The tires should always be inflated to the recommended tire pressure.
Remove unnecessary loads.
Remove roof racks when they are not needed.
Warm ...
Menu overview
The number of menus shown depends on the optional equipment in the vehicle.
The Audio and Tel menus differ slightly in vehicles with an audio system and
vehicles with COMAND. The examples given ...
