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:
Hazard warning lamps
Hazard warning lamps
The hazard warning lamps automatically switch on if:
• an air bag is deployed.
• the vehicle is slowed down severely from a speed of over 45 mph (70 km/h) and
comes to a ha ...
Additives in gasoline
One of the main problems of poor fuel quality
is the forming of deposits that are created
during the gasoline combustion process.
Mercedes-Benz recommends that you use
fuel brands that have the ...
Service and literature
Your vehicle is covered under the terms of the
warranties printed in the Service and
Warranty Information booklet. Your
authorized Mercedes-Benz Center will
exchange or repair any defective pa ...
