2018 MERCEDES-BENZ C-CLASS COUPE check engine light

0007
Toswitch on/increase the le vel:press but‐
to n1 repeatedly until the desired ventila‐
tion le vel is set.
Depending on theve ntilation le vel, up to
th re e indicator lamps light up. 0007
Toswitch off/reduce the le vel:press but‐
to n1 repeatedly until the desired ventila‐
tion le vel is set.
If all indicator lamps are off, the seat ventila‐
tion is switched off. Ste
ering wheel Ad
justing the steering wheel manually 000A
WARNING Risk of inju rythro ugh adjust‐
ing vehicle settings while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations:
R ifyo u adjust the driver's seat, the head
re stra ints, thesteering wheel or the mir‐
ro r while theve hicle is in motion R
ifyo ufast enyour seat belt while theve hi‐
cle is in motion 0007
Before starting the engine: adjust the
driver's seat, the head restra ints, the
st eering wheel or the mir ror and fasten
yo ur seat belt. 000A
WARNING Risk of entrapment forch il‐
dren when adjusting thesteering wheel
Children could injure themselves if they
adjust thesteering wheel. 0007
Never lea vechildren unat tended in the
ve hicle. 0007
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tothe digital vehicle
ke y if the "Digital Vehicle Key" function
is activated via Mercedes me connect. 0007
Push release le ver1 down as far as it will
go.
The steering column is unloc ked. 0007
Adjust height 2and di stance 3tothe
st eering wheel. 0007
Push release le ver1 up as far as it will go.
The steering column is loc ked. 0007
Check and make sure that thesteering col‐
umn is loc kedby moving thesteering wheel. Seats and
stowing 107

0007
Push the handle 1ofthe bonn etcatch
up wa rds and lift the bonn etby appr oximately
40 cm. 0007
Toclose: lowe rth e bonn etand let it fall from
a height of appr oximately 20 cm. 0007
Ifth e bonn etcan still be lif ted slightl y,open
th e bonn etagain and close it with a little
more forc e until it engages cor rectly. Engine oil
Che
cking the engine oil le vel using the oil
dip stick 000A
WARNING Risk of bu rns from hot com‐
ponent parts in the engine compartment
Cer tain components in the engine compart‐
ment can be very hot, e.g. the engine, the
ra diator and parts of theex haust sy stem. 0007
Allow the engine tocool down and only
to uch co mponent parts described in the
fo llowing. Re
quirements:
R the engine must ha vean oil dipstic k.If not,
th e engine oil le vel can be checked only with
th e on-board computer (0013 page 397).
Depending on the engine, the oil dipstick may be
ins talled in the engine compartment in dif fere nt
locations.
The waiting time before checking the oil le vel
when the engine is at normal operating temp era‐
ture is five minutes. 0007
Park theve hicle on a le vel sur face. 0007
Pull oil dipstick 1out and wipe off. 0007
Slowly slide oil dipstick 1into the guide
tube tothestop, and take it out again af ter
appr oximately thre e seconds.
R Oil le vel is cor rect: oil le vel is between 2
and 3.
R Oil le velto o low: oil le vel is at 3or
belo w. 396
Maintenance and care

000A
WARNING Risk ofexplosion during
ch arging process and starting assis tance
During thech arging process and starting
assis tance, the battery may release an explo‐
sive gas mixture. 0007
Avoid fire , naked flames, creating
spar ksand smoking. 0007
Make sure that there is suf ficient venti‐
lation du ring thech arging process and
during starting assis tance. 0007
Do not lean over a batter y. 000A
WARNING Risk ofexplosion from a fro‐
zen battery
A dischar ged battery may freeze at temp era‐
tures slightly abo veor below freezing point.
During starting assis tance or battery charg‐
ing, bat tery gas may be released. 0007
Alw aysth aw a frozen bat tery out first
before charging it or per form ing start‐
ing assis tance. If
th e indicator/warning lamps in the instrument
clus ter do not light up at low temp eratures, it is
ve ry likely that the dischar ged battery has fro‐
zen. In this case you may neither jump-s tart the
ve hicle nor charge the batter y.
The service life of a battery that has been
th awe d may be dramatically shor tened. The
st arting characteristics may be impaired, espe‐
cially at low temp eratures.
It is recommended that you ha veathaw ed bat‐
te ry checked at a qualified specialist workshop.
All vehicles
000E NO
TEDama gecaused bynumerous or
ex tended attem ptsto start the engine Nume
rous or extended attem ptsto start the
engine may damage the catalytic con verter
due tonon-combu sted fuel. 0007
Avoid numerous and extended attem pts
to start the engine. Obser
vethefo llowing points during starting
assis tance and when charging the battery:
R Only use undamaged jump lead/charging
cables with a suf ficient cross-section and
insula tedte rm inal clamps.
R Non- insulated parts of thete rm inal clamps
must not come into con tact wi thother me tal
parts while the jump lead/charging cable is
connected tothe battery/jump-s tart connec‐
tion point.
R The jump lead/charging cable must not
come into contact wi thany parts which may
mo vewhen the engine is running.
R Alw ays make sure that nei ther you nor the
battery is elect rostatically charge d.
R Keep away from fire and naked flames.
R Do not lean overth e batter y.
Obser vethe additional following points when
ch arging the battery:
R Only use battery charge rs tested and
appr oved for Mercedes-Benz.
R Read the battery charge r's operating instruc‐
tions before charging the batter y. 422
Breakdown assis tance

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 page194). 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. Displ
aymessa ges and warning/indicator lamps 487

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

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

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