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:
Important safety notes
If a tire pressure monitor system is installed,
the vehicle's wheels have sensors that
monitor the tire pressures in all four tires. The
tire pressure monitor warns you when the
pressure drops in ...
Display design
Your COMAND display features optimized
designs for operation during daytime and
night-time hours. You can customize the
design to suit your personal preferences by
manually selecting day or ni ...
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 up t ...
