Page 436 of 497
Display messages
Possible causes/consequences and M
MSolutions
& inoperative See Owner's
Man. *T
hestationary heater is temp orarily malfunctioning. #
When theve hicle is on a le vel sur face and the engine has cooled down, make up tofour attem ptsto switch on
th est ationary heater, waiting se veral minutes between each attem pt. #
Ifth est ationary heater does not swit chon, consult a qualified specialist workshop.
M *T
he bonnet is open. &
WARNING Risk of accident due todriving with the engine bonn etunlo cked
An unloc ked engine bonn etmay open up when theve hicle is in motion and block your vie w. #
Never unlock the engine bonn etwhen driving. #
Before every trip, ensure that the engine bonn etis loc ked. #
Pull over and stop theve hicle safely as soon as possible. #
Close the bonn et.
C *A
t least one door is open. #
Close all doors. Displ
aymessa ges and warning/indicator lamps 433
Page 437 of 497
Display messages
Possible causes/consequences and M
MSolutions
N *T
he boot lid is open. &
WARNING Risk ofexhaust gas poisoning
Combustion engines emit poisonous exhaust gases such as carbon monoxide. Exhaust gases can enter the
ve hicle interior if the boot lid is open when the engine is running, especially if theve hicle is in motion. #
Alw ays switch off the engine before opening the boot lid. #
Never drive with the boot lid open. #
Close the boot lid.
_ Rear left seat backrest not
locked (exa mp le) *T
he cor responding seat backrest of there ar ben chseat is not engaged. #
Foldthe cor responding seat backrest back until it engages.
¥
Top up washer fluid *T
hewasher fluid le vel in thewa sher fluid reser voir has dropped below the minimum. #
Top up thewa sher fluid . 434
Display messages and warning/indicator lamps
Page 438 of 497
Lights
Display messages
Possible causes/consequences and M
MSolutions
b Left dipped beam (exa mp le) *T
he cor responding light source is defective. #
Consult a qualified specialist workshop.
or #
Check whe ther you are permit tedto replace the light source yourself .
% LED light bulbs: the display message forth e cor responding lamp appears only when allthe light-emitting diodes
in the lamp ha vefailed.
b Active Light System inoper-
ative *T
he active headlamp s arefaulty. #
Consult a qualified specialist workshop.
b Intelligent Light System
inoperative *T
he Intelligent Light Sy stem is faulty. The lighting sy stem continues tofunction properly without the functions of
th e Intelligent Light Sy stem. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 435
Page 439 of 497
Display messages
Possible causes/consequences and M
MSolutions
b Malfunction See Owner's
Manual *T
heexterior lighting is faulty. #
Consult a qualified specialist workshop.
Ve hicles with a trailer hitch: a fuse may haveblown. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Check the fuses and replace them if necessary .
b AUTO lights inoperative *T
he light sensor is faulty. #
Consult a qualified specialist workshop.
b Switch off lights *Y
ou are leaving theve hicle and the lights are still switched on. #
Turn the light switch totheà position.
b Switch on headlamps *Y
ou are driving without dipped-beam headlamps. #
Turn the light switch totheL orà position.
Adaptive Highbeam Assist
Plus inoperative *A
daptive Highbeam Assist Plus is faulty. #
Consult a qualified specialist workshop. 436
Display messages and warning/indicator lamps
Page 440 of 497

Display messages
Possible causes/consequences and M
MSolutions
Adaptive Highbeam Assist
Plus currently unavailable
See Owner's Manual *A
daptive Highbeam Assist Plus is temp orarily una vailable.
The sy stem borders ha vebeen reached (→ page134). #
Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again. The Adaptive Highbeam
Assist Plus available again display message appears.
Adaptive Highbeam Assist
Plus Camera view restric-
ted See Owner's Manual *T
he camera view is restricted. Possible causes:
R dirt on the windscreen in the camera's field of vision
R heavy rain, snow or fog
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable.
Once the cause of the problem is no longer present, driving sy stems and driving saf ety sy stems will become availa‐
ble again.
If th e display message does not disappear: #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Clean the windscreen.
Adaptive Highbeam Assist
inoperative *A
daptive Highbeam Assist is malfunctioning. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 437
Page 441 of 497

Display messages
Possible causes/consequences and M
MSolutions
Adaptive Highbeam Assist
currently unavailable See
Owner's Manual *A
daptive Highbeam Assist is temp orarily una vailable.
The sy stem borders ha vebeen reached (→ page132). #
Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again. The Adaptive Highbeam
Assist available again display message appears.
Adaptive Highbeam Assist
Camera view restricted
See Owner's Manual *T
he camera view is restricted. Possible causes:
R dirt on the windscreen in the camera's field of vision
R heavy rain, snow or fog
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable.
Once the cause of the problem is no longer present, driving sy stems and driving saf ety sy stems will become availa‐
ble again.
If th e display message does not disappear: #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Clean the windscreen. Wa
rning and indicator lamps Overview of
warning and indicator lamps Some sy
stems per form a self-test when the igni‐
tion is switched on. Some warning and indicator lamps may briefly light up or
flash. This behav‐
iour is non-critical. These warning and indicator
lamps indicate a malfunction only if they light up
or flash af terth e engine is star ted or during a
journe y. 438
Display messages and warning/indicator lamps
Page 442 of 497

Instrument display (standard)
Instrument display in
the widescreen cockpit Prog
ressive setting in the widescreen cock‐
pit If
yo u select the progressive display setting in
ve hicles with a widescreen cockpit, the positions
of the indicator lamps on the instrument display
ch ange.
Wa rning and indicator lamps:
L Dipped beam (→
page127)
T St
anding lights (→ page127)
K Main beam (→
page129)
#! Tu
rn signal light (→ page129)
R Re
ar fog lights (→ page127) ü
Seat belt is not
fastened
(→ page 446)
J Brakes (red) (→
page 440)
J Brakes (yell
ow) (→ page 440)
! ABS malfunction (→
page 440)
à AIR
BODY CONTROL malfunction
(→ page 447)
à DY
NA MIC BODY CONTROL malfunc‐
tion (→ page447)
÷ ESP®
(→ page 440)
å ESP®
OFF (→ page 440)
! Electric pa
rking brake (→ page440)
Ð St
eering assis tance malfunction
(→ page 449)
# Electrical
fault (→ page 451)
6 Re
stra int sy stem (→ page440)
; Engine diagnostics (→
page 451)
8 Fu
elreser vewith fuel filler flap loca‐
tion indicator (→ page 451)
? Coolant
too hot/cold (→ page 451)
· Dis
tance warning (→ page447) Displ
aymessa ges and warning/indicator lamps 439
Page 443 of 497
%
Preglow
h Ty
re pressure monitoring sy stem
(→ page 454) j
Tr
ailer hit chis not operational or is
swivelling (→ page449) Sa
fet y sy stems Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
J Brake sy stem warning lamp
(yellow) The
yellow brake sy stem warning lamp is lit while the engine is running. &
WARNING Risk of an accident due toa brake sy stem malfunction
If th e brake sy stem is malfunctioning, braking characteristics may be impaired. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. #
Adjust your speed and continue todrive carefull y,leaving a suitable dis tance totheve hicle in front. #
Ifth e multifunction display sho wsa display message, please obse rveth is. #
Consult a qualified specialist workshop. 440
Displaymessa ges and warning/indicator lamps