Problems with the cooling with air dehumidification function
When you press the 
button, the
indicator lamp in the button flashes three
times or remains off. You can no longer switch
on the cooling with air dehumidification
function.
Consult a qualified specialist
workshop.
See also:
Cockpit
Cockpit
...
Warning and indicator lamps
1 ABS
2 The lamp lights up briefly,
but has no function.
3 Brakes (USA only)
4 ESP®
5 Distance warning signal
On vehicles without
DISTRONIC, the lamp lights
up briefly but has no
functi ...
Activating the rear view camera
Make sure that the SmartKey is
in position 2 in the ignition lock.
Make sure that the "rear view
camera" function is selected in COMAND (see the separate operating instructions
for ...