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:
Adjusting the head restraint height(second and third row of seats)
Outer seat head restraints in the second row of
seats
Outer seat head restraints in the third row of seats
► If the head restraint is fully lowered,
it is
necessary to press release ...
Adjusting the head restraint height electrically
To adjust the head restraint height: slide the switch for head restraint
adjustment () up or down in the direction of the arrow.
...
Setting the side air vents
- To open/close: turn thumbwheel 3 up or
down. ...