Calling up the compass
The compass shows which direction the vehicle is currently traveling in: N, NE, E, SE, S, SW, W or NW.

To obtain a correct display in rear-view mirror 1, the compass must be calibrated and the magnetic field zone must be set.
See also:
Snow chains
For safety reasons, Mercedes-Benz
recommends that you only use snow chains
that have been specially approved for your
vehicle by Mercedes-Benz, or are of a
corresponding standard of quality.
...
Important safety notes
Observe the "Important safety
notes"
section.
ABS regulates brake pressure in such a way
that the wheels do not lock when you brake.
This allows you to continue steering the
vehic ...
Cleaning the display
Before cleaning the display, make sure that it is switched off and has
cooled down.
Clean the display surface using a commercially-available microfiber cloth
and TFT/LCD display cleaner.
...
