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:
Charging the battery
WARNING
Never charge a battery still installed in the vehicle unless
a battery charger unit approved by Mercedes-Benz is being used. Gases may escape
during charging and cause explosions tha ...
Important safety notes
WARNING
Severe conditions (e.g. strong air pollution) may require replacement of the
filter before
its scheduled replacement interval. A clogged
filter will reduce the air volume to t ...
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 ...
