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. ...

Windshield/headlamp cleaning system
WARNING Washer solvent/antifreeze is highly flammable. Do not spill washer solvent/ antifreeze on hot engine parts, because it may ignite and burn. You could be seriously burned. Use MB Summe ...

Storing and maintaining the currentspeed
You can store the current speed if you are driving faster than 20 mph (30 km/h). ► Accelerate the vehicle to the desired speed. ► Briefly press the cruise control lever up 1 or down ...