2021 MERCEDES-BENZ C-CLASS COUPE engine oil

No
teson windshield washer fluid Obser
vetheno teson oper ating fluids
(/ page39 1). &
WARNIN G‑Ri sk offire and injuryfrom
wind shieldwa sher concen trat e
Wi ndsh ield wa sher concen trat eis highly
fl ammab le.Itcoul dign ite if it com esinto
con tact with hotengine component partsor
th eex haus tsy stem. #
Mak esur eth at no wind shieldwa sher
concen trat espills outnext to thefiller
open ing. *
NO
TEDama getotheex terior lighting
due touns uitable windshieldwa sher fluid Uns
uitable windshieldwa sher fluid maydam‐
ag eth eplas ticsur face oftheex terior light‐
ing. #
Onlyuse windshield washer fluid whic h
is also suitable foruse onplastic sur fa‐
ces, e.g.MBSumm erFitor MB Winter‐
Fit. *
NO
TEBlocked spr aynozzl escau sed by
mixing windshieldwa sher fluids #
Donotmix MBSum merFitand MBWin‐
te rFit withot her windshield washer flu‐
ids. Do
notuse distilled orde- ionizedwa ter.Ot her‐
wise, thefill le ve lsen sor maybe trigg ered erro ‐
neou sly.
Re comme ndedwindsh ield wa sher fluid:
R Abo vefreezing point:e.g. MBSummerFi t
R Belo wfreezing point:e.g. MBWinterFi t
Fo rth ecor rect mixi ngratio ,re ferto theinf orma‐
tion ontheantif reeze container .
Mix washer fluid withwind shieldwa sher fluid all
ye ar round . Re
frig er ant No
teson refrig er ant
Obser vetheno teson oper ating fluids
(/ page39 1). *
NO
TEDama gedue toinc orrect refrig er‐
ant If
anon-appr ovedre frig er ant isuse d,thecli‐
mat econ trol system maybe damag ed. #
USA:use onlyR‑1 34a refrig er ant. #
Canada: useonlyR‑1 234yf refrig er ant. *
NO
TEDama getotheclimat econ trol
sy stem due toinc orrect refrig er ant com‐
pr essor oil #
Onlyuse refrig er ant com pressor oilthat
has been approvedby Mer cedes-Ben z. #
Donotmix theappr ovedre frig er ant
com pressor oilwithadif fere nt refrig er‐
ant com pressor oil. Wo
rkon theclimat econ trol system maybe car‐
ri ed out onlyby aqu alif ied spec ialistwo rkshop.
All appli cable regulations, aswellas SAEstand‐
ar dJ63 9,mus tbe adher edto.
The information labelforth eclimat econ trol sys‐
te m rega rding there frig er ant type andthere frig‐ Te
ch nica lda ta 39
7

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Run FlatIndicat orInopera-
tive *C
anada only:
The tirepr essur eloss warning system ismalfunct ioning. #
Consult aqu alif ied spec ialistwo rkshop. Engine
oil Displa
ymessag es
Possible causes/conseq uencesand0050 0050
Solutions
00B3 Check Engine OilAtNext
Refueling *T
heengine oilleve lhas dropped totheminimum leve l.
* NO
TEEngi nedama gecau sed bydriving withinsuf ficie ntengi neoil #
Avoid long journeys wit hins ufficie ntengi neoil. #
Checkth eengine oilleve lwhen next refuel ing.
Ad dengin eoil (/ page326 ).
No teson engine oil(/ page39 4). Displa
ymessag esand warning/ indic ator lam ps 44
5

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
00B3 Check Engine OilLevel
(Add 1quart) *D
ispla ymess ageonl yfo rcer tain engin es:
The engin eoil leve lhas dropped totheminimum leve l.
* NO
TEEngi nedama gecau sed bydriving withinsuf ficie ntengi neoil #
Avoid long journeys wit hins ufficie ntengi neoil. #
Whe nne xt refuel ing, add 1.1 US qt(1l)of engine oil(/ page326) .
No teson engine oil(/ page39 4).
00B3
Engine OilRedu ceOil Level *D
ispla ymess ageonl yfo rcer tainengi nes:
The engineoille ve lis toohigh.
* NO
TEEngi nedama gecau sed bydriving withexc ess engine oil #
Avoid long journeys wit hex cess engineoil. #
Consul ta qu alif ied spec ialistwo rkshop immediat elyand have theengine oilleve lre duced.
00B3 En gine OilLevel LowStop
Vehicle TurnEngine Off *D
ispla ymess ageonl yfo rcer tainengi nes:
The engineoille ve lis toolow. 44
6
Dis play messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
* NO
TEEngi nedama gecau sed bydriving withinsuf ficie ntengi neoil #
Avoid long journeys wit hins ufficie ntengi neoil. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions.Do notcontinu edr ivi ng und eranycir‐
cums tances. #
Swi tchof fth eengine. #
Add1.1 US qt(1l)of engine oil(/ page326) . #
Che cktheengine oilleve l.
No teson engine oil(/ page39 4).
00B3
Engine OilPressure Stop
Switch OffEngine *D
ispla ymess ageonl yfo rcer tain engin es:
The oilpressur eis toolow.
* NO
TEEngi nedama gecau sed bydriving withinsuf ficie ntoil press ure #
Avoid driving withinsuf ficie ntoil press ure. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions.Do notcontinu edr ivi ng und eranycir‐
cums tances. #
Consu ltaqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 44
7

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
00B3 En gine OilLevel Cannot Be
Measured *T
heelectr icalconn ection totheoil leve lsen sor has been interru pte dor theoil leve lsen sor isfaulty . #
Con sult aqu alif ied spec ialistwo rkshop. Wa
rning and indicat orlam ps Ov
ervie wof indicat orand warning lam ps Som
esy stems willperform aself -tes twhen the
ignit ionisswitc hedon.Som eindic ator and
wa rning lam psma ybr ief lylight uporflash. This
beha viorisno n-cr itical. Thes eind icat orand
wa rning lam psindic ateamalfun ction onlyif th ey
light uporflash afte rth eengine hasbeen star‐
te dor dur ing ajour ney. Ins
trum ent displa y(s tand ard) Wi
des cree nco ckpit instrumen tdispl ay Dep
endingonthedispla yse tting, theposition s
of theindicat orlam pson theins trument display
ma ydif ferfr om theex am ple shown. 44
8
Dis play messa gesand 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
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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

Electr
icpa rking brak e
Appl ying automat ically.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 151
App lying orreleasing manuall y.............. 152
Emerg encybraki ng............ ....................153
Re leasing automat ically.<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 152
Electr onicStabil ityProg ram
see ESP®
(Electr onicStabilit yPr og ram)
Emer gency
Fir st-ai dkit (softsided)...... ...................3 36
Ov ervie wof thehelp functions........ ........ 18
Re flect ive saf etyve st<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 335
Re mo ving thewa rning triang le.............. 335
Se tting upthewa rning triang le............. 336
Emer gency braking ................................... 153
Emer gency braking
see BAS(Br akeAssi stSystem)
Emer gency engine star t....... .................... 353
Emer gency key
Loc king adoor ................................... ..... 69
Un loc kin gadoor. .... ................................ 69
Emer gency oper ation mode
St artin gth eve hicle ...............................1 30 Emer
gency release
Tr unk lid(from inside) ...................... ........ 75
Emer gency spar ewheel
No tes... ............................................. ....3 86
Emer gency Tensioning Devices
Ac tivati on........... .....................................36
ENE RGIZIN GCOMF ORT
Ov ervie wof programs ...........................2 45
St artin gth epr ogr am.... .........................2 46
Eng ine
EC Ostar t/ stop funct ion.................. ...... 136
Engi nenum ber......... ............. ................390
St artin g(eme rgency operation mode).. .130
St artin g(R emo teOnline).... ............... ....1 31
St artin g(sta rt/s topbutt on).............. .... 129
St artin gassis tance <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ......346
Swi tching off(s ta rt/s topbutt on)...... .....1 47
Engine data
Dis playing ........................................ ...... 140
Engine number.......................................... 390
Engine oil
Ad ditiv es.......................................... .....3 94
Capaci ty............................................ .... 395 Chec
kingth eoil leve lusing theoil
dips tick.... ..............................................3 24
Chec kingth eoil leve lusing theon-
boar dcom puter.. ................................... 325
MB- Freig abe orMB- Appr oval.. ...............3 95
Qua lity.......... ......................................... 395
To pping up............................................. 326
Ent ering charact ers
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 232
On theto uc hpad.. .................................2 34
ESC (Elec troni cSt abil ityContr ol)
see ESP®
(Electr onicStabilit yPr og ram)
ESP ®
Cr osswi ndAssis t...................................1 58
ESP ®
(E lec troni cSt abil ityProg ram)
Ac tivati ng/d eactiv ating........... ..............158
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 157
Ext erior light ing
see Ligh ts
Ext erior light ing(car e)..............................3 32
Ext erior mir rors
Anti-g lare mode (automatic)......... ......... 121
Au tomatic mirrorfo lding function. .........1 23 47
6
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