2018 MERCEDES-BENZ C-CLASS CABRIOLET warning light

Display messages
Possible causes/consequences and 0050
0050Solutions 0007
Consult a qualified specialist workshop immediatel y.
Active Brake Assist Func-
tions currently limited See
Owner's Manual *
Ve hicles with the Driving Assistance Package: Active Brake Assi stwith cross-traf fic function, Evasi veSteering
Assist or PRE‑SAFE ®
PLUS are temp orarily una vailable or only partially available.
Ve hicles without the Driving Assistance pa ckage: Active Brake Assi stistemp orarily una vailable.
The ambient conditions are outside the sy stem limits (0013 page189). 0007
Drive on.
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again. 0007
Ifth e display message does not disappear, stop theve hicle while paying attention toroad and traf fic conditions
and restart the engine.
0075
Restraint sys. malfunction
Consult workshop *T
herestra int sy stem is faulty (0013 page 33). 000A
WARNING Risk of inju ryor fata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or
might not be triggered at all in theeve nt of an accident. This may af fect the seat belt tensioner or airbag, for
ex ample. 0007
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. De
tection of a restra int sy stem fault:
R The restra int sy stem warning lamp 0075does not light up when the ignition is switched on.
R The restra int sy stem warning lamp 0075lights up continuously or repeatedly during a journe y.484
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions 0007
Tocontinue your journe y,shift the transmission toposition 005Bor005E.
Only select Park (P) when
vehicle is stationary *
The transmission can only be shif tedto position 005Dwhen theve hicle is stationar y.
Risk of vehicle rolling
Driver door open and trans-
mission not in P *
The driver's door is not fully closed and the transmission is in position 005E,005Cor005B. 0007
Shift the transmission toposition 005Dwhen you park theve hicle.
Apply brake to select R *
You ha vetried toswitch totransmission position 005E. 0007
Dep ress the brake pedal. 0007
Shift the transmission toposition 005E.
0044 Before starting the engine,
turn the steering wheel. *
Ve hicles with manual transmissions: the electric steering lock was unable tounlo ck th esteering. 0007
Switch off the ignition. 0007
Tounlo ckthesteering, mo vethesteering wheel slightly tothe left and right. 0007
Switch the ignition back on.
00CC Steering malfunction See
Owner's Manual *
Ve hicles with manual transmissions: the electric steering lock is malfunctioning. The steering may be loc kedby
th e electric steering loc k. 508
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
0059 While stationary, apply the
brakes before operating
the soft top. *T
hevehicle is stationary and you try toopen or close the soft top. 0007
Depress the brake pedal. 0007
Push or pull the soft top switch again until the soft top is fully open or closed.
0058 Close boot separator *T
he boot separator is open. 0007
Close the boot separator. 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. Display messages and
warning/indicator lamps 523

Display messages
Possible causes/consequences and 0050
0050Solutions
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.
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. 524
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
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 428).
Adaptive Highbeam Assist
inoperative *A
daptive Highbeam Assist is malfunctioning. 0007
Consult a qualified specialist workshop.
Adaptive Highbeam Assist
currently unavailable See
Owner's Manual *A
daptive Highbeam Assist 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 available again display message appears.
*T he camera view is restricted. Possible causes:
R dirt on the windscreen in the camera's field of vision Display messages and
warning/indicator lamps 525

Display messages
Possible causes/consequences and 0050
0050Solutions
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. Instrument display (standard) Instrument display in
the widescreen cockpit Wa
rning and indicator lamps:
0058 Low beam (0013
page127)
0060 St
anding lights (0013 page127) Displ
aymessa ges and warning/indicator lamps 527

0057
High beam (0013
page 129)
003E003D Tu
rn signal indicator
(0013 page129)
005E Re
ar fog light (0013 page127)
0075 Re
stra int sy stem (0013 page 528)
00E9 Seat belt not
fastened
(0013 page 534)
004D Brakes (yellow) (0013
page 528)
004D Brakes (red) (0013
page 528)
0024 Elect
ric pa rking brake (yellow)
(0013 page 528)
0024 Electric parking brake (red)
(0013
page 528) 0025
ABS malfunction (0013
page 528)
00E5 ESP®
(0013 page 528)
00BB ESP®
OFF (0013 page 528)
L Distance warning (0013 page 534)
00CC Po
we r-assis tedsteering malfunction
(0013 page 539)
00CC AIRMATIC malfunction
(0013
page 534)
00CC DY
NA MIC BODY CONTROL malfunc‐
tion (0013 page 534)
00B9 Engine diagnostics (0013
page 535)
0028 Preglow 003D
Electrical
fault( 0013 page 535)
00B6 Fu
elreser vewith fuel filler flap loca‐
tion indicator (0013 page 535)
00AC Coolant
too hot/cold
(0013 page 535)
0077 Ty
re pressure monitor
(0013 page 538)
00CA Tr
ailer hit chis not operational or is
swivelling(0013 page 539)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. 528
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
00E5 ESP ®
wa rning lamp lights
up The
yellow ESP ®
wa rning lamp is lit while the engine is running.
ESP ®
is malfunctioning
Other driving sy stems and driving saf ety sy stems may also be malfunctioning. 000A
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabilisation. In addition, other driving saf ety sy stems are
switched off. 0007
Drive on carefull y. 0007
Have ESP ®
ch ecked at a qualified specialist workshop. 0007
Drive on carefully. 0007
Obser vethe messages on the multifunction displa y. 0007
Consult a qualified specialist workshop.
00BB ESP ®
OFF warning lamp The
yellow ESP ®
OFF warning lamp is lit while the engine is running.
ESP ®
is deacti vated. 000A
WARNING Risk of skidding when driving wi thESP ®
deacti vated
If ESP ®
is deactivated, ESP ®
cannot car ryout vehicle stabilisation. The availability of fur ther driving saf ety sy stems
is also limited. 532
Display messages and warning/indicator lamps