Setting the air vents

See also:

Making adjustments in 5 mph (Canada: 10 km/h) increments
•► Briefly press the cruise control lever beyond the pressure point, up 1 for a higher speed or down 2 for a lower speed. The last speed stored is increased or reduced. ...

Tread wear
The tread wear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified U.S. government course. For example, a tire graded 150 would ...

Cleaning the headliner and carpets
•► Roof lining: use soft brushes or dry shampoo if it is particularly dirty. •► Carpets: use carpet and textile cleaners that have been approved and recommended by Mercedes-Benz. ...