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:
Important safety notes
The HomeLink® garage door opener
integrated in the rear-view mirror allows you
to operate up to three different door and gate
systems.
Certain garage door drives are
incompatible with the in ...
Resetting triggered NECK-PRO head
restraints
WARNING
For safety reasons, have the NECK-PRO head
restraints checked at an authorized
Mercedes-Benz Center after a rear-end
collision.
WARNING
When pushing back the NECK-PRO head
r ...
Call priority
When service calls are active, e.g. Roadside
Assistance or MB Info calls, an emergency
call can still be initiated. In this case, an
emergency call will take priority and override
all other active ...
