See also:

Rear window defroster
Activating/deactivating WARNING   Any accumulation of snow and ice should be removed from the rear window before driving. Visibility could otherwise be impaired, endangering you and o ...

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. ...

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" se ...