Please bear the following in mind
At the onset of winter, have your vehicle winterproofed at a qualified specialist workshop, e.g. at an authorized Mercedes- Benz Center.
Observe the notes in the "Changing a wheel" section
See also:
The windshield wipers are obstructed
Leaves or snow, for example, may be
obstructing the windshield wiper movement.
The wiper motor has been deactivated.
- For safety reasons, you should remove the
SmartKey from the ignition lock.
...
Side impact air bags
WARNING
The pressure sensors for side impact air bag
control are located in the doors. Do not
modify any components of the doors or door
trim panels including, for example, the
addition o ...
High-beam flasher
•► To switch on: turn the SmartKey in the
ignition lock to position 1 or 2 or start the
engine.
•► Pull the combination switch in the direction
of arrow 3. ...