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
! A license agreement must exist in order
to activate the mbrace service. Ensure that
your system is activated and ready for use,
and press the MB Info call button
to
register. If any of th ...
Deactivating/activating PARKTRONIC
1 To deactivate/activate PARKTRONIC
2 Indicator lamp
If indicator lamp 2 lights up, PARKTRONIC is
deactivated.
PARKTRONIC is automatically activated
when you turn the SmartKey to position ...
General information
The electric parking brake performs a
function test at regular intervals while the
engine is switched off. The sounds that can
be heard while this is occurring are normal.
WARNING
When l ...
