Setting the airflow
You can set the airflow separately for the driver’s and front-passenger side.
Select left airflow 3 or right airflow 5 by
turning 
the COMAND controller and
press 
to confirm.
To adjust the airflow: slide
or turn
the COMAND controller.
To confirm the selection: press
the
COMAND controller.
See also:
Manual interior lighting control
To switch the front interior lighting on/ off: press the
button.
To switch the rear interior lighting on/ off: press the
button.
To switch the reading lamps on/off: press the
button.
...
Traction
Traction is the result of friction between the
tires and the road surface. ...
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"
sec ...