— If the fault persists, go to a qualified work-
shop.
Trailer turn signal indicator lamp
The indicator lamp flashes green.
The indicator lamp goes out if a trailer turn
signal or all trailer lights stop working.
— Check the lighting and change the appro-
priate bulb as required → page 295.
— If the fault persists, go to a qualified work-
shop.
Exterior drive lighting not working
The indicator lamp lights up yellow.
Vehicle lighting not working partially or com-
pletely.
— Check the lighting and change the appro-
priate bulb as required → page 295.
— If the fault persists, go to a qualified work-
shop.
Fault in rain and light sensor
The indicator lamp lights up yellow.
In the light switch position
, the vehicle
lighting is not switched on or off automati-
cally.
— Switch the ignition off and on.
— If the fault persists, go to a qualified work-
shop.
Dynamic cornering light
In vehicles with driving profile selection, the
selected driving profile can affect the swivel-
ling motion of the lights.
A corresponding display appears in the in-
strument cluster if there is a dynamic corner-
ing light fault. Go to a qualified workshop.
Touch panels do not react as expected
Moisture, dirt, grease etc. can restrict func-
tioning of the touch panel. Make sure that
the touch panels are always clean and dry.
Interior lighting
Instrument and switch light-
ing
The brightness of the instrument and switch
lighting and the basic brightness level of the
Head-up Display can be adjusted in the vehi-
cle settings in the Infotainment system
→ page 31.
The brightness setting is automatically adjus-
ted to the changing ambient light conditions
in the vehicle.
When the automatic headlights function
is switched on, a sensor will switch the dip-
ped beam and the lighting in the instruments
and switches on and off automatically de-
pending on the ambient brightness level.
Interior and reading lights,
background lighting
Fig. 90 In the roof console: touch-sensitive
reading lights.
Touch the corresponding symbol:
Switch interior lights on or off or dim
lights.
Function switched off: the interior
lights are switched on automatically
when the vehicle is unlocked, a door
is opened or the ignition is switched
off.
Interior lighting
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