2018 MERCEDES-BENZ C-CLASS COUPE Owners Manual

Lights
Display messages
Possible causes/consequences and 0050
0050Solutions
0049 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. 0007
Consult a qualified specialist workshop.
0049 Switch off lights *Y
ou are leaving theve hicle and the lights are still switched on. 0007
Turn the light switch tothe0058 position.
0049 Switch on headlamps *Y
ou are driving without lo w-beam headlamps. 0007
Turn the light switch tothe0058 or0058 position.
0049
Automatic driving lights
inoperative *T
he light sensor is faulty. 0007
Consult a qualified specialist workshop. 526
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
0049 Left dipped beam (Example)*T
he cor responding light source is defective. 0007
Drive on carefully. 0007
Consult a qualified specialist workshop immediatel y.
0009 LED light bulbs: the display message forth e cor responding lamp appears only when allthe light-emitting diodes
in the lamp ha vefailed.
0049 Active Light System inoper-
ative *T
he active headlamp s arefaulty. 0007
Consult a qualified specialist workshop.
0049 Malfunction See Owner's
Manual *T
heexterior lighting is faulty. 0007
Consult a qualified specialist workshop.
Ve hicles with a trailer hitch: a fuse may haveblown. 0007
Pull over and stop theve hicle, paying attention toroad and traf fic conditions. 0007
Check the fuses and replace them if necessary (0013 page 430).
Adaptive Highbeam Assist
inoperative *A
daptive Highbeam Assist is malfunctioning. 0007
Consult a qualified specialist workshop.
*A daptive Highbeam Assist is temp orarily una vailable.
The sy stem limits ha vebeen reached (0013 page131). Displ
aymessa ges and warning/indicator lamps 527

Display messages
Possible causes/consequences and 0050
0050Solutions
Adaptive Highbeam Assist
currently unavailable See
Owner's Manual 0007
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 be available
again.
If th e display message does not disappear: 0007
Pull over and stop theve hicle, paying attention toroad and traf fic conditions. 0007
Clean the windscreen.
Adaptive Highbeam Assist
Plus inoperative *A
daptive Highbeam Assist Plus is faulty. 0007
Consult a qualified specialist workshop.
Adaptive Highbeam Assist
Plus currently unavailable
See Owner's Manual *A
daptive Highbeam Assist Plus is temp orarily una vailable.
The sy stem limits ha vebeen reached (0013 page132). 0007
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.528
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
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 be available
again.
If th e display message does not disappear: 0007
Pull over and stop theve hicle, paying attention toroad and traf fic conditions. 0007
Clean the windscreen. Wa
rning and indicator lamps Overview of
warning and indicator lamps Some sy
stems will per form a self-test when the
ignition is switched on. Some warning and indi‐
cator lamps may brief lylight up or flash. This
behaviour is non-critical. These warning and indi‐
cator lamps indicate a malfunction only if they
light up or flash af terth e engine has been star‐
te d or during a journe y. Displ
aymessa ges and warning/indicator lamps 529

Instrument display (standard)
Instrument display in
the widescreen cockpit Wa
rning and indicator lamps:
0058 Low beam (0013
page126)
0060 St
anding lights (0013 page126)
0057 High beam (0013
page128)
003E003D Tu
rn signal indicator
(0013 page128)
005E Re
ar fog light (0013 page126)
0075 Re
stra int sy stem (0013 page 531)
00E9 Seat belt not
fastened
(0013 page 536)
004D Brakes (yellow) (0013
page 531)
004D Brakes (red) (0013
page 531)
0024 Elect
ric pa rking brake (yellow)
(0013 page 531)
0024 Electric parking brake (red)
(0013
page 531)
0025 ABS malfunction (0013
page 531)
00E5 ESP®
(0013 page 531)
00BB ESP®
OFF (0013 page 531) L
Distance warning (0013 page 537)
00CC Po
we r-assis tedsteering malfunction
(0013 page542)
00CC AIRMATIC malfunction
(0013 page 537)
00CC DY
NA MIC BODY CONTROL malfunc‐
tion (0013 page 537)
00B9 Engine diagnostics (0013
page 538)
0028 Preglow
003D Electrical
fault( 0013 page 538)
00B6 Fu
elreser vewith fuel filler flap loca‐
tion indicator (0013 page 538)
00AC Coolant
too hot/cold
(0013 page 538)
0077 Ty
re pressure monitor
(0013 page540)
00CA Tr
ailer hit chis not operational or is
swivelling(0013 page542) 530
Displaymessa ges and warning/indicator lamps

Saf
ety sy stems Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
004D Brake sy stem warning lamp
(red) The
red brake sy stem warning lamp is lit while the engine is running.
Po ssible causes:
R The brake forc e boosting is malfunctioning and the braking characteristics may be af fected.
R The reis insuf ficient brake fluid in the brake fluid reser voir. 000A
WARNING Risk of accident and inju ryif brake forc e boosting is malfunctioning
If brake forc e boosting is malfunctioning, increased brake pedal forc e may be necessary for braking. The braking
ch aracteristics may be impaired. The braking dis tance can increase in eme rgency braking situations. 0007
Stop in a safe location immediately. Do not continue driving! 0007
Consult a qualified specialist workshop. 000A
WARNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid le vel is too lo w,the braking ef fect and the braking characteristics may be impaired. 0007
Stop theve hicle as soon as possible, paying attention toroad and traf fic conditions. Do not continue driving. 0007
Consult a qualified specialist workshop. 0007
Do not top up the brake fluid. Display messages and
warning/indicator lamps 531

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions 0007
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do not
continue driving under any circums tances. 0007
Obser vethe messages on the multifunction displa y. 0007
Consult a qualified specialist workshop.
0025 ABS warning lamp The
yellow ABS warning lamp is lit while the engine is running.
ABS is malfunctioning.
If th ere is an additional warning tone, EBD is malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be malfunctioning. 000A
WARNING Thereisrisk of skidding if EBD or ABS is malfunctioning
If EBD or ABS is malfunctioning, the wheels could lock when braking
The steering capability and braking characteristics are thus se verely impaired. The braking dis tance may increase in
an emergency braking situation. In addition, other driving saf ety sy stems are switched off. 0007
Drive on carefull y. 0007
Have the brake sy stem checked immediately at a qualified specialist workshop. 0007
Drive on carefully. 0007
Obser vethe messages on the multifunction displa y. 0007
Consult a qualified specialist workshop. 532
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
0024 Re d indicator lamp, elect ric
parking brake applied
0024
Ye llow elect ric pa rking
brake indicator lamp is mal‐
functioning The
red elect ric pa rking brake indicator lamp flashes or is lit. The yellow indicator lamp is also lit if the electric parking
brake malfunctions. 0007
Obser vethe messages on the multifunction displa y.
004D
Brake sy stem warning lamp
(yellow) The
yellow brake sy stem warning lamp is lit while the engine is running. 000A
WARNING Risk of an accident due toa brake sy stem malfunction
If th e brake sy stem is malfunctioning, braking characteristics may be impaired. 0007
Drive on carefull y. 0007
Have the brake sy stem checked immediately at a qualified specialist workshop. 0007
Adjust your speed and continue todrive carefull y,leaving a suitable dis tance totheve hicle in front. 0007
Ifth e multifunction display sho wsa display message, please obse rveth is. Display messages and
warning/indicator lamps 533