Calling up the compass
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:
Mercedes-Benz M-Class Owners Manual
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Rear-view mirror
Rear-view mirror (manual anti-glare)
► anti-glare mode: flick anti-glare
switch 1 forwards or back. ...
Overhead control panel
1 Switches the lefthand
reading lamp on/off
2 Switches the rear
interior lighting on/off
3 Switches the
automatic interior lighting
control on/off
4 Switches the front
interior lighti ...