Opening the DEF filler cap
The filler neck for DEF is behind the fuel filler flap.
The fuel filler flap is unlocked or locked automatically when you open or close the vehicle with the SmartKey or with KEYLESSGO.

- Switch off the ignition.
- Press the fuel filler flap in the direction of
arrow 1.
The fuel filler flap swings up.
- Turn blue DEF filler cap 2
counterclockwise and remove it.
DEF filler cap 2 is secured with a plastic
strap.
See also:
Setting the time
Select Vehicle in the main function bar by
turning the COMAND controller and
press to confirm.
Select System by turning the
COMAND controller and press to
confirm.
Select Time by ...
Compass
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.
•► Press button 3 briefly.
The compass ...
Crash-responsive emergency lighting
The interior lighting is activated automatically
if the vehicle is involved in an accident.
•► To switch off the crash-responsive
emergency lighting: press the hazard
warning lamp button. ...
