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:
Range of the sensors
General notes
The sensors must be free of dirt, ice and
slush; otherwise they may not function
correctly. Clean the sensors regularly, taking
care not to scratch or damage them
Side view, Se ...
Adjusting the rear seat head restraint angle
Adjust the head restraints so that they are as close as possible to your head.
You can only adjust the two outer head restraints.
X Pull or push the top of the head restraint until it is in the de ...
Important safety notes
WARNING
For reasons of safety, have the NECK-PRO
head restraints/NECK-PRO luxury head
restraints checked at an authorized
Mercedes-Benz Center after a rear-end
collision.
WARNING
When p ...
