engine MERCEDES-BENZ C-CLASS COUPE 2020 Owners Manual

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0075 Re stra int system warning
lam p The
redre stra int system warning lam pis lit while theengine isrunning .
*Th ere stra int system ismalfunct ioning(/page34). &
WARNIN GRisk ofinju rydue tomalfu nctions inthere stra int system
If th ere stra int system ismalfunct ioning,restra int system com ponen tsma ybe trigg ered unint entionall yor ma y
no tdeplo yas intended during anacciden t.This mayaf fect theEmer gency Tensi oni ng Device sor airba gs, for
ex am ple. #
Have there stra int system checkedand repair edimmediat elyataqu alif ied spec ialistwo rkshop. #
Drive on car efully . #
Notethemessag eson themultifunc tiondispla y. #
Visit aqu alif ied spec ialistwo rkshop immediat ely. 488
Displa ymessag esand warning/ indic ator lam ps

Seat
belts Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0076 Seat beltwarning lam p
light sup The
redseat beltwarning lam pwill light upforsix seconds oncetheengine hasstar ted.
In addition, awa rning tone maysou nd.
*T he seat beltwarning lam pre minds thedr iver and front passeng ertofasten their seat belts. #
Fasten your seat belt(/page39 ).
If yo uha ve placed objectson thefront passeng erseat, theseat beltwarning lam pma yre main lit.
0076 Seat beltwarning lam p
fl ashes The
redseat beltwarning lam pflashes andanintermit tent wa rning tone sou nds.
*T he driver or front passeng erhas notfa stened their seat beltwhile theve hicle isin mo tion. #
Fasten your seat belt(/ page39 ).
*T her ear eobject son thefront passeng erseat. #
Remo vetheobjec tsfrom thefront passeng erseat. Displa
ymessag esand warning/ indic ator lam ps 489

Engine
Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00B9 En gine diagnosis warning
lam p The
yello wChec kEn gine warning lam pis lit while theengine isrunning .
*A malfunctio nha soccu rred intheengine, theex haus tsy stem orthefuel system.
The emission limitvalues maybe exceed edand theengine maybe inemer gency mod e.
In som est at es, legalrequ iremen tsstipulat eth at youmus timm ediat elyco nsult aqu alif ied spec ialistwo rkshop as
soon astheye llo wChec kEn gine warning lam plight sup. #
Have theve hicle checkedas soon aspossible ataqu alif ied spec ialistwo rkshop.
003D Electr icalmalfunction warn‐
ing lam p The
redelect rical mal functi onwarning lam pis lit.
*T her eis amalfunction intheelectr ics. #
Obser vethemessag eson themultifunc tiondispla y.
00B6
Fu elreser vewarning lam p The
yello wfuel reser vewarning lam pis lit while theengine isrunning .
*T he fuel supply hasdropped intoth ere ser verang e. #
Refuel . Displ
aymessa gesand warning/ indic ator lam ps 49
1

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00B6 Fu elreser vewarning lam p The
yello wfuel reser vewarning lam plight sup while drivin g.
*Ther ehas been pressur eloss inthefuel system. Thefuel filler cap isno tclos edcor rectly orthefuel system isleak‐
ing. #
Close thefuel filler cap.
If th efuel filler cap hasalready been closedcor rectl y: #
Visit aqu alif ied spec ialistwo rkshop.
00AC Coola ntwa rning lam p The
redcoolant warning lam pis lit while theengine isrunning .
*P oss ible cau ses are:
R The temp eratur esensor ismalfunct ioning
R The coolant leve lis toolow
R The airsupply tothera diat orisobs truct ed
R The radiat orfanis faulty
If th er eis an additional warning tone, thecoolant temp eratur ehas exceeded themaximum permissible temp eratur e. &
WARNIN GDang erofburnswhen opening thehood
If yo uopen thehood when theengine hasoverheat edordur ing afire intheengine compartmen t,yo uco uld
co me intoco ntact withho tga ses orother escaping operating fluids. #
Beforeopen ingthehood, allowtheengine tocool down. 492
Display mess ages and warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
Intheeve ntofafire intheengine compartmen t,ke ep thehood closed andcallthefire ser vice. #
Pull overand stop theve hicle safely and switc hof fth eengine, paying attent ion toroad and traffic condi tions.Do
no tcontinu edr ivi ng und eranycir cums tances. #
Obs erve themessag eson themultifunc tiondispla y.
If th ecoolant temp eratur edispla yis at thelowe rend ofthete mp eratur escale: #
Consult aqu alif ied spec ialistwo rkshop.
or #
Exit theve hicle andkeep asaf edis tance from itunti lth eengine hascooled down. #
Chec kth ecoolant leve l(/ page355) . #
Mak esur eth at theair supply tothera diat orisno tobs truct ed. #
Avoiding highloads ontheengine, drive to thenear estqu alif ied spec ialistwo rkshop. Indoing so,ensur eth at the
cool anttemp eratur edispla yre mains belowthere dar ea. Displa
ymessag esand warning/ indic ator lam ps 493

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0077 Ti re pressur emonit oring
sy stem warning lam p
fl ashes The
yello wtirepr essur emon itor ing system warning lam p(pr essur eloss/ malfun ction) flashes forapp roxima tely one
minut eand then remains lit.
*The tirepr essu remonit oring system isdef ective. &
WARNIN GThe reisarisk ofan accident ifth etir epr essur emonit oring system ismalfunct ioning
If th etir epr essur emonit oring system ismalfunct ioning,itis no table toissue awa rning ifth er eis pressur eloss
in one ormor eof thetir es.
Un der inflated tires ma y,forex am ple, impair thedr iving, steer ing and braking charact eristic s. #
Have thetir epr essur emonit oring system checkedat aqu alif ied spec ialistwo rkshop. #
Visit aqu alif ied spec ialistwo rkshop. Ve
hicl e Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
Ù Wa rning lam pfo relectr ic
po we rst eer ing The
redelect ric po we rst eer ing warning lam pis lit while theengine isrunning .
*Th epo we r-assis tedsteer ing orthesteer ing itself ismalfunct ioning. &
WARNIN GRisk ofacci dent ifsteer ing capability isim pair ed
If th esteer ing does notfunc tion asintended, theve hicle's operating safetyis jeopar dized. Di
spla ymes sagesand warning/ indic ator lam ps 495

Ac
tiv eSpe edLimit Assist <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 181
Dis play <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 181
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>181
Ac tiv eSte ering Assis t.............................1 83
Ac tivati ng/d eactiv ating ........... ............185
Ac tiveEmerg encyStop Assis t.............1 87
Ac tiveLa ne Chang eAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011> 185
Dis play sin theIns trument Display...... 188
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 183
Sy stem limit ations ........................... ....1 83
Ad aptiv ecr uise contr ol
see ActiveDis tance AssistDIS TRONI C
Ad aptiv eHighb eamAssist
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>120
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 121
Ad diti onalvalue rang e
Se tting displa ycont ent ........................ 225
Ad diti ves.................................................. 426
En gine oil............................................ 426
Fu el ...... ............................................... 426
Ad diti ves(engine oil)
see Additiv es Ad
diti ves(fuel)
see Fuel
Ad dres sbo ok
see Contacts
Ad jus tingthe balanc e/fader
Ad vanced soundsystem ......................3 48
Bur mes ter®
sur round soun dsy stem ....3 47
Ad jus tingthe sound focus
Bur mes ter®
sur round soun dsy stem ....3 47
Ad jus tingtreb le,mid- rang eand bass
se ttings
Ad vanced soundsystem ......................3 47
Bur mes ter®
sur round soun dsy stem ....3 47
ADS PLUS damp ing system
see AIRMA TIC
Ad vanced sound system
Ac tivati ng/d eactiv ating automatic
vo lume adjustment .............................. 348
Ad jus ting thebalance/f ader............ ... 348
Ad jus ting treb le,mid -rang eand bass
se tting s............. ..................................347
Ca lling upthesound menu .................. 347
Inf ormation .................................... ...... 347 Af
ter-sales service center
see ASSYSTPL US
Air bag
Re duced protect ion ...............................4 3
Air cond itioning system
see Climat econ trol
Air distribut ion
Se tting .................................................1 30
Air freshe nersystem
see Perfume atomiz er
Air inle t
see Air-water duct
Air pressu re
see Tire pressur e
Air suspension
see AIRMA TIC
Air vents ................................................... 133
Ad jus ting (front) ............ ...................... 133
Ad jus ting (rea r) ............ ........................ 134
Air vents
see Airvents
Ai r-re cir cula tion mode............................ 131 498
Index

Re
gular maint enance work <0011001100110011001100110011001100110011001100110011001100110011
00110011> 349
Spec ialser vice requ iremen ts.............. 349
ATA (anti-thef tala rm system) .................. 86
Ac tivati ng/d eactiv ating theint erior
mo tion sensor ....................................... 88
Ar ming/ disarming theto w- aw ay
alar m.................... .......................... .......8 8
Dea ctivating thealar m.......................... 87
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 86
Fu nctio nof theint erior motion sensor ..88
The tow- aw ay alar mfun ction .................8 7
AT TENTI ONASSIST <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 211, 212
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>211
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 212
Sy stem limit ations ........................... ....2 11
At tention assistant
see ATTENTION ASSIST
Au dio mode
Ac tivati ng med iamod e........... .............329
Co nnecti ngUSB devic es ........... .......... 330
Co pyrights ...........................................3 29
Inf ormatio n....... .............. ..................... 327
Inser ting/r emoving anSD card....... ....329
Medi asea rch ................................. ...... 334 Ov
ervie w .......................................... ... 330
Pa use and playbac kfun ction ...............3 31
Sel ecting atrac k <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 331
Sel ecting play bac kop tion s............ ...... 331
Tr ac klis t.............................................. 331
Au thorized Mercedes- BenzCenter
see Qualif iedspec ialistwo rkshop
Au thorized workshop
see Qualif iedspecialis two rkshop
Au tomatic distanc eco ntr ol
se eAc tiveDis tance AssistDIS TRONI C
Au tomatic drivin glights ........... ............ ...118
Au tomatic engine star t(E CO star t/
sto pfunc tion) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> .......143
Au tomatic engine sto p(E CO star t/
sto pfunc tion) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> .......143
Au tomatic fron tpass engerfr on tair‐
bag shutoff <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 44,45
Fu nctio nof theaut omatic front
passeng erfront airbag shutoff......... ..... 44
PA SSENGER AIRBAGind icat orlam p.....4 5 Au
tomatic fron tpass engerfr on tair‐
bag shutoff
see Automatic front pass engerfront
airb agshut off
Au tomatic mirrorfo lding function
Ac tivati ng/d eactiv ating ........... ............128
Au tomatic trans mis sion
DIR ECT SELEC Tleve r..... ......................147
Dr ive pr ogr am disp lay ............ ..............146
Dr ive pr ogr ams............ ........................ 145
DY NA MIC SELE CTswitc h.................... 145
Eng aging drive po sitio n............ ........... 149
Eng aging neu tral ............ ...................... 148
Eng aging park position ........................ 148
Eng aging reve rsege ar .........................1 48
Kic kdo wn ....... ......................................150
Manual gearshif ting.............................1 49
St eer ing wheel paddle shifters ............ 149
Tr ans miss ionposit iondispla y.............. 147
Tr ans miss ionposit ions........................ 147
Au tomatic trans mis sion (problem)
se eTr ans miss ion(problem ) 500
Inde x

Com
puter
see On-boar dcom puter
Conne ctingthepa rcel ne t...................... 107
Connect ionstatus
Displ aying ............................................ 323
Ov ervie w .............................................3 23
Co nne ctivi ty
Switc hingtransmi ssionof theve hicle
position on/off.................................... 261
Cont acts ................................................... 306
Call ingup ....................................... ..... 307
Dele ting .......................................... ..... 308
Do wnloading (from mobile phone) ...... 306
Im por ting ............ ........................... ...... 307
Im por ting (ove rview) ............................ 307
Inf ormatio n.................................... ...... 306
Makin gacall .......................................3 08
Na me form at .......................................3 07
Op tions ............... ........................... ...... 308
St or ing ................................................ 308
Contr oller
Oper ating ............ ................................ 252
Con venience closing featur e....... ............. 80 Co
nvenience opening................................ 79
Coolant (engine)
Chec kleve l.......................................... 355
Fillin gcapac ity.................................... 429
No tes .................................................. 428
Cool ing
see Clima tecontr ol
Co pyright
Tr ademar ks<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 31
Cop yright s
Lic ens e.................................................. 31
Cor nering light function .......................... 120
Cr oss Traf fic Aler t.................................... 210
Cr osswind Assist
Fu nctio n/no tes ................................... 169
Cr uise contr ol.......................................... 175
Butt ons <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>........176
Callin gup aspee d...............................1 76
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>175
Re quiremen ts:.....................................1 76
Sel ecting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 176
Se tting aspe ed <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 176
St or ing aspeed .............................. ...... 176 Swi
tching off<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 176
Swi tching on<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 176
Sy stem limit ations ...............................1 75
Cup holder
Re ar ben chseat ................................... 110
Cup holderinthecent erconsole
In stallin g/remo ving(aut omat ic
transm ission).......................................1 10
Cus tomer Assist ance Center (CAC ).........2 7
Cus tomer Relat ions Depar tment .............2 7 D
Dam agede tection (parked vehicl e)...... .163
Dashb oard
see Cockpit
Dashb oardlig hting
see Instrument clusterlig hting
Dat aacq uisiti on
Ve hicle .................................................. 28
Data impor t/expor t................................ 265
Fu nctio n/no tes ................................... 265
Im por ting/e xporting ........................... 266 50
4
Inde x

0049
ActiveHea dlamps Inoperati ve .... 480
é ATTENTION ASSISTInoper ative
... ..........................................................4 49
é ATTENTION ASSIST: Take a
Br ea k! <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>........449
0049 Automatic HeadlampMode
Inoper ative..... ..... ................................ 479
0027 CheckBr ak eFluid Level.............4 43
00BD CheckCoolan tLe velSee Oper‐
at or's Manual ...... ................................ 459
00B3 CheckEn gine OilAtNe xtRe fu‐
eli ng ...... .............................................. 463
00B3 CheckEngi neOilLe vel(A dd 1
qu art) .................................................. 463
0049 CheckLef tLo wBeam (Exam‐
ple) ................ ...................................... 479
0077 CheckTire s ................................. 471
00B2 CheckWa sher Fluid .................... 478
00AC Coolan tTo oHo tSt op Vehicle
Tu rn Engi neOff............ ........................ 459 0025
Current lyUn available See
Operat or'sMan ual...............................4 34
00E5 Current lyUn available See
Operat or'sMan ual...............................4 35
Á Don't Forget Your Key.................4 75
00B3 EngineOilLe velCann otBe
Mea sured <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>...465
00B3 Engine OilLevelLo wStop Vehi‐
cle Turn Engi neOff............ ............. .....464
00B3 EngineOilPr ess ureSt op
Switc hOf fEngin e................................ 465
00B3 EngineOil Reduce OilLevel........ 464
0075 Front LeftMalfunction Service
Re quired (exa mp le) .............................4 44
006F Front LeftSeat Backres tNo t
Lo cked (Exam ple) ................................ 478
00B6 FuelLevelLo w ............................ 462
00B6 GasCap Loose ...........................4 62
0025 Inoper ativeSee Oper ator's
Manu al....... ......................................... 435 00E5
Inoper ativeSee Oper ator's
Manu al....... ......................................... 436
007A Inoper ativeSee Oper ator's
Manu al....... ......................................... 437
0053 Inoper ative....... .......................... 448
0049 Intell. Light System Inoperativ e
... ..........................................................4 80
Á KeyNo tDe tected (red displ ay
messa ge).............................................4 74
Á KeyNo tDe tected (whit edis‐
pl ay messa ge)...................................... 474
0075 LeftSide Curtain Air bag Mal‐
func tion Service Required (Exam ple) ...4 45
¢ Lowe ring <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ............450
ä Malfunctio nDr ive at Ma x.50
mp h..................................................... 451
0049 Malfunction SeeOper ator ’s
Manual ................................................ 479
Á ObtainaNe wKe y.......................4 73
ç Off..............................................4 57 506
Index