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:
Starting procedure with the SmartKey
- To start a gasoline engine: turn the
SmartKey to position 3 in the ignition lock
and release it as soon as the
engine is running.
- To start a diesel engine: turn the
SmartKey to position 2 ...
Windshield washer system and
headlamp cleaning system
The washer fluid reservoir is used for both the
windshield washer system and the headlamp
cleaning system.
Vehicle components and their service
products must match. You should,
therefore, on ...
Controlled compression and rebound: the multi-link independent suspension
The series-production launch of the Mercedes-Benz 190 in 1983 also marked the
beginning of the multi-link independent suspension's career. In many respects
this is a feature that remains without p ...
