See also:

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. ...

Headlamp cleaning system
The headlamps are cleaned automatically if the "Wipe with washer fluid" function is operated ten times while the lights are on and the engine is running ...

Uniform Tire Quality Grading Standards
A uniform standard to grade the quality of tires with regards to tread quality, tire traction and temperature characteristics. Ratings are determined by tire manufacturers using U.S. government ...