2021 MERCEDES-BENZ C-CLASS COUPE engine

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00C6 Re cup erati ve Brak eSy stem
wa rning lam p(US Aonl y)
004D
Brak eswarning lam p(yel‐
lo w) (Canada only) *
The yello w00C6 warning lam p(US Aonl y)or theye llo w004D brak es warning lam p(Canada only)islit while the
engine isrunning . &
WARNIN GRisk ofan acci dent dueto abr ak esy stem malfunct ion
If th ebr ak esy stem ismalfunct ioning,braking charact eristic sma ybe impair ed. #
Drive on car efull y. #
Have thebr ak esy stem checkedimmediat elyat aqu alif ied spec ialistwo rkshop. #
Adjus tyo ur spee dand drive on car efull y,lea vingasuit able distance totheve hicle infront. #
Ifth emultifunc tiondispla ysho wsadispla ymes sage,obse rveit. #
Consult aqu alif ied spec ialistwo rkshop. 456
Displa ymessag esand warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0027 Br ak ewa rning lam p(US A
onl y)
004D Br ak esy stem warning lam p
(Canada only) *T
he redbr ak esy stem warning lam pis lit while theengine isrunning .
Po ssible causes:
R The brak efo rc eboos tingismalfunct ioningandthebr aking charact eristic sma ybe affect ed.
R The reisinsuf ficie ntbrak efluid inthebr ak efluid reser voir. #
Notethemessag eson themultifunc tiondispla y. &
WARNIN GRisk ofacci dent andinjuryifbr ak efo rc eboos tingismalfunct ioning
If br ak efo rc eboos tingismalfunct ioning,increased brak epedal forc ema ybe neces saryfo rbr aking. Thebraking
ch aract eristic sma ybe impair ed.The brakin gdis tance canincrease ineme rgency braki ng situa tions. #
Stop inasaf elocation immediat ely.Do notcont inue driving. #
Consult aqu alif ied spec ialistwo rkshop. &
WARNIN GRisk ofan acci dent dueto low brak efluid leve l
If th ebr ak efluid leve lis toolow, thebr aking effect and thebr aking charact eristic sma ybe impair ed. #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions.Do
no tcontinu edr ivi ng und eranycir cums tances. #
Consu ltaqu alif ied spec ialistwo rkshop. #
Donotadd brak efluid. Dis
playmes sagesand warning/ indic ator lam ps 45
7

Dr
ivin gsaf etysy stems Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0025 ABS warning lam p *T
he yello wAB Swa rning lam pis lit while theengine isrunning .
ABS isma lfunctio ning.
If th er eis an additional warning tone, EBD isma lfunctio ning.
Ot her drivi ng systems anddriving safetysy stems mayalso bemalfunct ioning. #
Notethemessag eson themultifunc tiondispla y. &
WARNIN GThe reisarisk ofskidding ifEBD orABS ismalfunctioning
The wheels mayloc kdur ing braking.
The steer ability andbraking charact eristic sar ehea vilyim pair edand thebr aking distan cema yincr ease. Inaddi‐
tion, other driving safetysy stems areswitc hedoff. #
Drive on car efull y. #
Have thebr ak esy stem checkedimmediat elyat aqu alif ied spec ialistwo rkshop. 00E5
ESP ®
wa rning lam p *
The yello wES P®
wa rning lam pflashes whiletheve hicle isin mo tion.
or
The yello wES P®
wa rning lam pis lit while theengine isrunning .
The yello wESP ®
wa rning lam pflashes whiletheve hicl eis in mo tion:
One ormor ewhee lshas reac hed itsgrip limit (/page15 7). Dis
play messa gesand warning/ indic ator lam ps 459

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
Adaptyo ur drivin gst yle to suit thero ad and weather condition s.
Th eye llo wESP warning lam p®
islit while theengine isrunning.
ES P®
is malfunct ioning.
Ot her driving systems anddriving safetysy stems (e.g. BAS)ma yal so be mal functi oning. #
Notethemessag eson themultifunc tiondispla y. &
WARNIN GRisk ofskid ding ifESP ®
is mal functi oning
If ESP ®
is mal functi oning,ESP ®
canno tcar ryout vehicle stabiliz ation.Inaddit ion,ot her driving safetysy stems
ar eswitc hedoff. #
Drive on car efull y. #
Have ESP ®
ch eckedat aqu alif ied spec ialistwo rkshop. 00BB
ESP ®
OFF warning lam p *
The yello wES P®
OFF warning lam pis lit while theengine isrunning .
ESP ®
is de acti vated.
Ot her driving systems anddriving safetysy stems mayalso beinoper ative. &
WARNIN GRisk ofskid ding whe ndr ivi ng with ESP ®
de acti vated
ESP ®
do es notact tostabiliz eth eve hicle. Theavailabilit yof fur ther driving safetysy stems isalso limited. #
Drive on car efull y. 460
Displa ymessag esand warning/ indic ator lam ps

Ac
tiveLa ne Chang eAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 173
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>170
Sy stem limits. ........................................1 70
Ad aptiv ecr uise contr ol
see ActiveDis tance AssistDIS TRONI C
Ad aptiv eHighb eamAssist
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>115
Swi tching on/of f.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 116
Ad diti ves
Engi neoil.... ............ ...............................394
Fu el....................................................... 394
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 20
Bur mes ter®
sur round soun dsy stem.. ....3 19
Ad jus tingthe bass,mid- rang eand
tr eble
Bur mes ter®
sur round soun dsy stem ...... 319 Ad
jus tingthe mid- rang e,treble and
bass
Burmes ter®
sur round soun dsy stem ...... 319
Ad jus tingthe sound focus
Bur mes ter®
sur round soun dsy stem ...... 319
Ad jus tingtreb le,mid- rang eand bass
se ttings
Ad vanced soundsystem.. ......................3 20
Bur mes ter®
sur round soun dsy stem ...... 319
ADS PLUS damp ing system
see AIRMA TIC
Ad vanced sound system
Ad jus ting thebalance/f ader............ ..... 320
Ad jus ting treb le,mid -rang eand bass
se tting s.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 320
Ca lling upthesound menu.................... 320
Inf ormation.. .................................... ...... 319
Swi tching volume adjustment on/ off... .3 20
Af ter-sales service center
see ASSYSTPL US
Air bag
Re duced protect ion.. ...............................4 4 Air
distribut ion
Se tting. .................................................. 124
Air freshen ersystem
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
Ad jus ting (front) ............ .........................127
Ad jus ting (rea r)............. .........................127
Air vents
see Airvents
Ai r-condi tioningsystem
see Climat econ trol
Air -recir cula tion mode..............................1 25
Air -water duct
Ke eping free... ....................................... 328
Airbag Activati on........... .....................................36
Fr ont airbag (driver ,fr ont passeng er)......42 46
4
Inde x

At
tention assistant
see ATTENTION ASSIST
Au dio mode
Ac tivati ng med iamod e................ .......... 301
Co nnecti ngUSB devic es........... ............302
Cop yrights. ............................................301
Inf ormatio n............ ............................ ....299
Inser ting/r emoving anSD card............. 301
Med iasea rch.. .................................. .....3 06
Ov ervie w.... ....... .............. ..................... .302
Pa use and playbac kfun ction .................3 03
Selecti ngatrac k............ ..................... ..303
Selecti ngplayba ckoptions .................... 303
Tr ac klis t................................................ 303
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 ........... .................113
Au tomatic engine star t(E CO star t/
sto pfunc tion)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ....136 Au
tomatic engine sto p(E CO star t/
sto pfunc tion)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ....136
Au tomatic fron tpass engerfr on tair‐
bag shutoff
Fu nctio nof theaut omatic front
passeng erfront airbag shutoff........... ..... 45
PA SSENGER AIRBAGind icat orlam p....... 47
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........... ..............123
Au tomatic trans mis sion
DIR ECT SELEC Tleve r..... .................... .... 140
Dr ive pr ogr am disp la<005C001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ....139
Dr ive pr ogr am<0056001100110011001100110011001100110011001100110011001100110011
001100110011> ....................138
DY NA MIC SELE CTswitc h...................... 138
Eng aging drive po sitio n............ ............. 142
Eng aging neu tral ............. ....................... 141
Eng aging park position .................... ...... 142
Eng aging reve rsege ar. ...................... .....1 41
Kic kdo wn..... ..........................................144
Manual gearshif ting... ............................1 43 St
eer ing wheel paddle shifters.............. 143
Tr ans miss ionposit iondispla y................ 140
Tr ans miss ionposit ions.......................... 140
Au tomatic trans mis sion (problem)
se eTr ans miss ion(problem ) B
Ba ghook .................................................... 105
BA S(Br akeAssis tSy stem). ...................... 157
Batt ery
Smar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 65
Batt ery
see Battery(v ehi cle)
Batt ery(v ehi cle)
Ch <00440055004A004C0051004A0011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 346
Ch arging (Remo teOnline). ..................... 131
No tes... .................................................3 43
No tes(s ta rting assis tance and
ch argin g)............................................... 344
Re placing .............................................. 348
St artin gassis tance <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ........346
Bel t
see Seatbe lt 46
6
Inde x

Con
venience opening ..................................7 7
Coolant (engine)
Capacit y.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 396
Ch eckleve l............................................ 327
No tes... ............................................. ....3 96
Co oling
see Clima tecontr ol
Co pyrights
Licen se............................................ ........ 34
Tr ademar ks<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 34
Co rnering light ...........................................1 15
Cr oss Traf fic Aler t..................................... 203
Cr osswind Assist
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 158
Cr uise contr ol
Ac tivati ng........... ...................................163
Butt ons<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>........163
Callin gup aspee d.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 163
Dea ctivating............ ..............................163
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>162
Re quiremen ts:.......................................1 63
Selecti ng........ .............. ......................... 163
Se tting aspe <0048004700110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 163 St
or ing aspeed... .............................. ....1 63
Sy stem limit ations. ........................... ..... 162
Cus tomer Assist ance Center (CAC )........... 28
Cus tomer Relat ions Depar tment. .............. 28 D
Dashboa rd
see Cockpit
Data acquisition
Ve hicle. ............................................. ...... 29
Data impor t/expor t
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 241
Im por ting/e xporting........ ...................... 241
Data protection rights
Dat ast or ag e... ......................................... 32
Data storage
Dat apr otect ion rights ........................ ..... 32
Elect ronic contr oluni ts<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> .29
Online services...... ..................................3 2
Ve hicle. ............................................. ...... 29
Dat e
Se ttin gth etime anddateaut omati‐
call y.... ................................................... 235 Da
ytim eru nning lampmode
see Daytime running lights
Da ytime running lights
Switc hingon/o ff<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 116
Deact ivat ing theala rm (ATA )<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 84
Deale rship
see Qualified speci alist wo rkshop
Dec laration ofconf ormity
Wi reless vehicle component s.................. 25
Dec orativ efo il(cleaning instructions) .... 331
Def initions (tiresand loading ).. ................ 374
Des tinat ion
Ed iting intermed iatedes tinat ions.......... 252
Ed iting thepr ev ious destination s..........2 63
Ext ernal ....... .......................................... 263
Sa ving (current vehicle position)... ........ 262
Sa ving asglobal favo rite <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 263
St or ing amap position. .........................2 63
De stinat ionentr y
En tering a3 wo rdaddr ess..................... 253
En tering aPOI oraddress <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 248
Ent ering anintermed iate des tination.... 252
En tering geo-coor dinates..... ................. 253 47
0
Inde x

Sel
ecting acont act<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 253
Sel ecting aPOI <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 251
Sel ecting from themap.... ..................... 254
Select ingprev ious destination s.............2 50
De tectin ginat tentiv eness
see ATTENTION ASSIST
Diagnos ticsconnec tion.............................. 26
Digit alOper ator's Manua l... ....................... 20
Dingh yto wing
see Tow- bar system
DIRECT SELECT leve r
Eng aging drive po sitio n............ .............142
Eng aging neutr al....... .............................141
Eng aging park position .......................... 142
Eng aging park position automatic ally....1 42
Eng aging reve rsege ar. ...........................1 41
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>140
Disp lay(car e).............................................3 33
Di spla y(multime diasystem)
Se ttings. .......................................... ...... 234
Displa y(on-boa rdcom puter)
Dis play son themultifunc tiondispla y.... 208 Di
spl aymes sage
Ca lling up(on-bo ardcom puter)..... ........ 401
No tes... ............................................. ..... 401
Displa ymessag es
00B2 ---mp h<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 424
ç ---mp h<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 424
003D 12VBatt erySee Oper ator's
Manual..... .............................................4 38
: ActiveHea dlamps Inoperati ve...... 408
é ATTENTION ASSISTInoper ative... .4 23
é ATTENTION ASSIST: Take a
Br ea k!<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>........424
: Automatic HeadlampMode
Inoper ative....... ..................................... 407
0027 CheckBr ak eFlui dLe vel............... 422
0026 CheckBr ak ePa ds See Oper a‐
to r's Manua l......... ................................. 423
00BD CheckCool antLevelSee Oper‐
at or's Manual .........................................4 13
00B3 CheckEn gin eOil AtNe xtRe fu‐
eli ng. ...... ............................................... 445 00B3
CheckEn gin eOil Level(A dd 1
qu art).................................................... 446
: CheckLef tLo wBeam (exa mp le).. 407
0077 CheckTire s<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 441
00B2 CheckWa sher Fluid... ...................4 13
ÿ Coolan tTo oHo tSt op Vehicle
Tu rn Engi neOff............ ..........................414
0025 Currentl yUna vailable See
Opera tor's Manua l........ ........................ 433
00E5 Current lyUn available See
Operat or'sMan ual................................4 34
Á Don't Forget Your Key<0011001100110011001100110011001100110011001100110011001100110011
00110011> 406
00CC Drive More Slowly<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 432
00B3 Engine OilLevelCann otBe
Mea sured<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>....448
00B3 EngineOilLe velLo wStop Vehi‐
cle Turn Engi neOff............ ....................446
00B3 EngineOilPr es su re Stop
Switc hOf fEngin e... ...............................4 47
00B3 EngineOilRe duce OilLevel.......... 446 Inde
x47
1