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" section.
See also:
MOExtended tires (tires with run-flat properties)
MOExtended tires (tires with run-flat
properties) allow you to continue driving your
vehicle even if one or more tires are entirely
deflated.
MOExtended tires may only be used in
conjunction ...
The windshield wipers are obstructed
Leaves or snow, for example, may be
obstructing the windshield wiper movement.
The wiper motor has been deactivated.
For safety reasons, you should
remove the SmartKey from the ignition lock.
...
Displays and controls
1 Speedometer with
segments
2 Adjusts the instrument
cluster lighting: dimmer
3 Reset button
4 Adjusts the instrument
cluster lighting: brighter
5 Tachometer
6 Fuel gauge
7 Multifunction ...