check engine MERCEDES-BENZ C-CLASS COUPE 2018 Owner's Manual

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

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions 0007
Have there stra int sy stem checked and repaired 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 immediatel y.Seat belt
Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
0076 Seat belt warning lamp
lights up The
red seat belt warning lamp will light up once the engine has star ted.
In addition, a warning tone may sound.
The seat belt warning lamp reminds the driver and front passenger tofast entheir seat belts. 0007
Fasten your seat belt (0013 page37).
If yo u ha veplaced objects on the front passenger seat, the seat belt warning lamp may remain lit.
0076 Seat belt warning lamp
fl ashes The
red seat belt warning lamp flashes and an intermit tent wa rning tone sounds.
The driver or front passenger has not fastened their seat belt while theve hicle is in motion. 0007
Fasten your seat belt(0013 page37).
There are objects on the front passenger seat. 0007
Remo vethe objects from the front passenger seat. 536
Display messages and warning/indicator lamps

Engine
Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
00B9 Engine diagnosis warning
lamp The
yellow engine diagno stics warning lamp is lit while the engine is running.
A malfunction has occu rred in the engine, theex haust sy stem or the fuel sy stem.
The emissions limit value may ha vebeen exceeded and the engine may be running in eme rgency operation mode. 0007
Have theve hicle checked as soon as possible at a qualified specialist workshop.
Ve hicles with a diesel engine: the fuel tank may ha vebeen run dr y. 0007
Start the engine thre eto four times af terre fuelling.
If th eye llow engine diagnosis warning lamp goes out, emer gency operation mode is cancelled. The vehicle need not
be checked.
003D Elect rical fault warning
lamp The
red elect rical fault warning lamp is lit.
There is a fault in the electrics. 0007
Obser vethe messages on the multifunction displa y.
00B6
Fu elreser ve wa rning lamp The
yellow fuel reser vewarning lamp is lit while the engine is running.
The fuel supply has dropped into there ser verange. 0007
Refuel. 538
Displaymessa ges and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
or 0007
Exit theve hicle and keep a safe dis tance from it until the engine has cooled down. 0007
Check the coolant le vel (0013 page 399). 0007
Make sure that the air supply tothera diator is not obstructed. 0007
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that the
coolant temp erature display remains below 120 °C. Ty
res Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
0077 Ty re pressure monitoring
sy stem warning lamp lights
up The
yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
The tyre pressure monitoring sy stem has de tected tyre pressure loss in at least one of the tyres. 000A
WARNING Risk of an accident due toinsuf ficient tyre pressure
Ty res with insuf ficient tyre pressure pose thefo llowing risks:
R The tyres may bur st, especially as the load and vehicle speed increase.
R The tyres may wearexc essively and/or une venly, which may greatly impair tyre traction.
R ‑ The driving characteristics, steering and braking may be greatly impaired. 540
Displaymessa ges and warning/indicator lamps

Importing (o
verview) ............................ 341
Information .......................................... 340
Making a call ...................................... .342
Na me form at ...................................... .341
Options ................................................ 342
St oring ................................................ 342
Controller Operating ............................................ 285
Con venience closing ................................. 87
Con venience opening ................................ 86
Coolant (engine) Check le vel .......................................... 399
No tes .................................................. 469
Cooling see Climate control
Co pyright .................................................... 31
Cornering light ........................................ .130
Cross Traf fic Alert .................................. .237
Crosswind Assist Function/no tes ................................... 19 3
Cruise control .......................................... 200
Ac tivating ............................................ 202 Buttons ................................................ 202
Calling up a speed ............................... 202
Deactivating ........................................ 202
Fu nction .............................................. 200
Re quirements ...................................... 202
Selecting ............................................ .202
Setting a speed ................................... 202
St oring a speed ................................... 202
Sy stem limitations ...............................2 00
Cup holder Rear ben chseat ................................... 121
Cup holder in the centre console
In stalling/removing ............................ .120
ins talling/ removing (auto matic
transmission) ....................................... 11 9 D
Damage de tection (pa rked vehicle) .......187
Dashboa rd
see Cockpit
Dashboard lighting see Instrument lighting
Data acquisition Vehicle .................................................. 29 Data import/export
................................ 298
Fu nction/no tes ................................... 298
Importing/exporting ........................... 299
Data storage
Electronic control units ........................ .29
Online services ...................................... 30
Ve hicle .................................................. 29
Date Setting the time and date automati‐
cally ..................................................... 293
Deactivating the alarm (A TA).................... 94
Deale rship
see Qualified speciali stwo rkshop
Declaration of conformity Electromagnetic compatibility ............... 25
Jack .......................................................25
TIREFIT kit ............................................. 26
Wi reless vehicle components ................25
Decorative foil (cleaning instructions)
.................................................................. .404
DeNO x agent
see AdBlue ® 552
Index

Au
xilia rybattery malfunction .............. 509
0044Before starting the engine, turn
th esteering wheel. ...............................5 11
Blind Spot Assi stcur rently una vaila‐
ble See Owner's Manual ...................... 489
Blind Spot Assist inope rative ............... 490
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual ...4 93
Brake immediate ly............................... 475
Cann otstart engine See Owner's
Manual ................................................ 501
00AFChan gekey bat teries ...................5 18
004D Check brake fluid le vel................ 480
Check brake pads See Owner's Man‐
ual ...................................................... .488
00B2Che ckeng. oil le v.when next
re fuelling ............................................. 505
00CAChe cktrailer hitch lo ck(white
display message) .................................5 20Che
cktyre pressu resth en restart
Ru n Flat Indicator ................................. 516
0077 Check tyre(s) .............................. .514
003A Clean the fuel filter .................... .499
Clutch overheated Avoid pulling away
fo r XX:XX mins ..................................... 51 0
00AC Coolant Stop vehicle Switch
engine off ............................................ 501
Cruise contro l and Limiter inope ra‐
tive ...................................................... 496
Cruise control inope rative ................... 496
Cruise control off ................................ 496
0025cu rrently unavailable See Own‐
er's Manual .......................................... 481
00E5cur rently una vailable See Own‐
er's Manual .......................................... 475
Dep ress clutch fully tostart engine .....5 10
00B3 Engine oil le vel cannot be
measured ............................................ 503
00B2Engine oil le velRe duce oil le vel...5 03 00B2Engine oil le
velSt op vehicle
Switch engine off ................................ 504
00B2Engine oil pressure Stop Switch
off engine ............................................ 504
Fa ult Drive at max. 80 km/h ...............493
0075Fr ont left malfunction Consult
wo rkshop (Example) ............................4 86
006FFr ont left seat backrest not
loc ked (Example) .................................5 22
Fr ont-passenger airbag disabled See
Owner's Manual ..................................4 85
Fr ont-passenger airbag enabled See
Owner's Manual ..................................4 84
003B inope rative Battery low ............... 525
003Binoperati veRefuel vehicle ........... 525
003Binoperative See Owner's Man. ....525
0025inoperative See Owner's Man‐
ual ....................................................... 482
00E5inoperative See Owner's Man‐
ual ....................................................... 483 Index
555

Risk of
vehicle rolling Driver door
open and transmission not in P ............511
Ru n Flat Indicator inope rative .............. 517
003D See Owner's Manual ................... 498
Speed limit (winter tyres) XXX km/h ... 497
00CCSt eering malfunction Incre ased
ph ysical ef fort See Owner's Manual .... 523
00CCSt eering malfunction See Own‐
er's Manual .......................................... 511
00CC Steering malfunction Stop
immediately See Owner's Manual .......522
St op vehicle Lea veengine running
Wa itTransmission cooling ...................508
003DSt opvehicle Lea veengine run‐
ning ..................................................... 499
003DSt opvehicle See Owner's Man‐
ual .......................................................5 00
00CCSt opvehicle Vehicle too low ........ 493
çsuspended ..................................4 95
0049Switch off lights .......................... 526 0049Switch on headla
mps.................. 526
To shift out of P or N,depress brake
and start engine .................................. 509
00C8To p upAdBlue Perf.re duced in
XXX miles See Owner's Manual ...........508
00C8 Top up AdBlue Perf.re duced:
XXX km/h Nostart in XXX km .............507
To p up coolant See Owner ’sManual ... 499
00B2To p upwasher fluid .................... .524
Tr af fic Sign Assi stCamera view
re stricted See Owner's Manual ........... 492
Tr af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ...................... 491
Tr af fic Sign Assi stinope rative ............. 491
00CATr ailer coupling extending… .........519
Tr ansmission Malfunction Stop ........... 508
0024Tu rnon the ignition torelease
th e parking brake ................................. 476
0077 Tyre press. monitor cur rently
una vailable .......................................... .515 0077
Tyre press. monitor inoperative
No wheel sensors ................................ 51 5
0077 Tyre press. monitor inoperative ...515
Ty re pressure Check tyres ....................512
Ty re(s) ove rheated ...............................5 16
00CC Vehicle rising Please wait............ 489
00CCVe hiclerising ...............................4 92
0077Wa rning tyre defect .....................513
0077 Wheel sensor(s) missing ..............51 5
Wi thout changing gear, consult work‐
shop ....................................................5 09
Display on the windscreen
see Head-up display
Distance control see Active Dis tance Assi stDISTRONIC
Di stance recorder
see Trip dis tance
DI STRO NIC
see Active Dis tance Assi stDISTRONIC
Door Additional door lock .............................. 75 Index
557

St
arting (mobile phone) ...................... .154
St arting (Remo teOnline) ..................... 15 6
St arting (s tart/s top button) ................ 15 3
St arting assis tance .............................. 423
Switching off (s tart/s top button) .........1 78
Engine bonnet Function (active bonnet) ...................... 393
Opening/closing ................................. 394
Re setting (active bonnet) .................... 393
Engine data Displaying ............................................ 16 5
Engine electronics Notes ................................................... 457
Engine number ........................................4 59
Engine oil ................................................. 397
Ad ditives .............................................. 467
Capacity .............................................. 468
Checking the oil le vel using the oil
dipstick ............................................... 396
Checking the oil le vel using the on-
board computer ................................... 397
MB-Fr eigabe or MB-Appr oval .............. .468
Quality ................................................. 468
To pping up ...........................................3 97Entering
characters
Fu nction/no tes ................................... 290
On theto uchpad ................................ .292
Using the controller ............................. 291
EQ Boost Glide mode .......................................... 171
Operating saf ety .................................... 23
ERA-G LONA SS test mode
St arting/ending .................................. .357
ESC (Electronic Stability Control)
see ESP ®
(Electronic Stability Prog ram)
ESP ®
Crosswind Assist ................................. 19 3
Tr ailer stabilisation .............................. 19 3
ESP ®
(Electronic Stability Prog ram) ...... 19 0
Ac tivating/deactivating ...................... .193
Fu nction/no tes ................................... 19 0
EU general operating permit number ....459
Exterior lighting Care .................................................... 406
Ex terior lighting
see Lights External device
Locking (child saf ety lock) .................. .298 F
Fa tigue de tection
see ATTENTION ASSIST
Fa ult message
see Displ aymessa ge
Favo urites
Ad ding .................................................2 88
Calling up ............................................ 288
Deleting ............................................... 289
Moving ................................................ 288
Overview ............................................. 287
Re naming ............................................ 288
Fi ll le vel
Ad Blue ®
............................................... 260
Fi lling station sear ch
St arting automatic sear ch................... 310
Switching au tomatic sear chon/off ..... 316
Using automatic sear ch....................... 316
Fi re extinguisher ...................................... 412
Firs t-aid kit (soft sided) ...........................411560
Index