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:
Safety systems
Problem
Possible causes/consequences and
Solutions
(USA only)
(Canada only)
The red brake system warning lamp comes on while the
engine is running. A warning to ...
Important safety notes
Do not leave the SmartKey in the trunk. You
could otherwise lock yourself out.
WARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey w ...
Notes on care
Regular care of your vehicle is a condition for
retaining the quality in the long term.
Use care products and cleaning agents
recommended and approved by Mercedes-
Benz.
WARNING
Many cleani ...