engine coolant MERCEDES-BENZ E-CLASS COUPE 2021 Owner's Manual

Ins
trum ent Disp layove rview 1
Speedo meter
The segment son thespeedome terindica te
th est atus esofthefo llo wing systems: cruise
con trol/limit er/Active Dis tance Assist
DIS TRONI C
2 Inde xpo ints
3 Outside temp eratur e 4
Time
5 Area foradd itional values (exa mp le:tach om‐
et er): tach ome ter/na vigation/EC Odisp lay/
consum ption/ G-me ter/dat e
The fuel supp lywil lbe interru pted toprotect
th eengine whenthere dmar kon theta ch ‐
ome ter(o ve rrev ving rang e) isreac hed.
6 Coolan tte mp eratur edispla y Dur
ing normal oper ation, thecoolant tem‐
per atur edisp lay is per mitt edtorise to
24 8°F (120°C).
Ve hicles with48 Von-boar delectr icalsys‐
te m: POWER andCHARGE displ ay(elect rical
dr ive su ppo rtand recup erati on powe rof the
electr icmo tor)
7 Select eddrive pr ogr am Ins
trument Displayand on-boar dcom puter 223

#
Turn cap 1cou nter-cloc kwiseand remo ve
it. #
Addengin eoil. #
Replace cap1and turnit cloc kwise untilit
eng ages. #
Chec kth eoil leve lag ain (/ page27 3). Ch
ecking thecoolant leve l &
WARNIN GRisk ofburnsfrom hotcom‐
ponent partsintheengine compartmen t
Cer tain com pone ntpar tsintheengine com‐
par tmen tcan bevery hot,e.g. theengine,
th ecooler andpartsof theex haus tsy stem. #
Allo wtheengine tocool down and only
to uc hco mp onent partsdescr ibedin
th efo llo wing. &
WARNIN GRisk ofscal ding from hot
cool ant
If yo uopen thecap, youco uld bescalded. #
Letth emo torcool down beforeopening
th ecap. #
When opening thecap, wearprotect ive
gl ove sand safetygl asses . #
Open thecap slowlyto release pres‐
sur e. #
Park theve hicle onaleve lsur face. #
Checkth ecoolant temp eratur edispla yin the
ins trumen tclus ter.
The coolant temp eratur emus tbe inthebo t‐
to m quarterof thete mp eratur edispla y. #
Slowly turncap 1cou nter-clo ckwise to
re lease overpressur e. #
Continue turning cap1count er-cloc kwise
and remo veit.
The coolan tle ve lis cor rect inthefo llo wing
cases :
R Ifth eengine iscold, thecoolant isup to
mar kerbar 2.
R Ifth eengine iswa rm,th ecoolant isup to
0.6 in(1.5 cm) over mar kerbar 2. #
Ifnecessar y,add coolant that has been
appr ovedfo rMer cedes-Benz.
% Further information oncoolant
(/ page343) Maint
enance andcare27
5

Ha
ve thebr ak efluid regular lyreplaced ata
qu alif ied spec ialistwo rkshop.
Onl yuse abr ak efluid appr ovedby Mer cedes-
Benz accor dingtoMB-F reigabe orMB- Appr oval
33 1.0. Co
olan t No
teson coolant
Obser vetheno teson oper ating fluids
(/ page33 9). &
WARNIN G‑Ri sk offire and injuryfrom
ant ifreez e
If ant ifreez ecom esintocon tact with hot
com ponent partsintheengine compart‐
ment ,it ma yignit e. #
Allo wtheengine tocool down before
ad ding anti freeze . #
Makesur eth at no ant ifreez espills out
ne xt to thefiller open ing. #
Thor oughl yclean offan yant ifreeze
fr om com pone ntpar tsbef orest ar tin g
th eve hicle. *
NO
TEDama gecau sed byinc orrect cool ‐
ant #
Onlyus ecool antthat has been pre‐
mix edwithth ere qu ired ant ifreeze pro‐
te ction.
Inf ormati ononcool antisavailable atthefo l‐
lo wing locations:
R IntheMer cedes- BenzSpecif ication sfo r
Oper ating Fluids 310.1
- Athttps: //bevo.mer cedes-b enz.com
- IntheMer cedes- BenzBeVoapp
R Ataqu alif ied spec ialistwo rkshop *
NO
TEOverhea ting athigh outsid ete m‐
per atur es If
an inapp ropr iat ecoolant isused, the
engine cooling system isno tsuf ficie ntlypr o‐
te cted agains tov erheating andcorrosion at
high outside temp eratur es. #
Alw aysuse coolant approvedby
Mer cedes-Ben z. #
Obser vetheins truction sin the
Mer cedes-Ben zSpecif ications forOper‐
ating Fluids310.1. Ha
ve thecoolant regular lyreplaced ataqu alif ied
spec ialistwo rkshop.
Pr opor tionofantifr eezeconcen trat ein the
engine cooling system:
R Aminimum of50% (antifr eezeprotect ion
do wn toappr oximat ely-3 5°F (-37°C))
R Amaxim umof55% (antifreeze protect ion
do wn to-49°F (-45°C))
Co olant capacity Mode
lC apacity
All mode ls 13.7 US qt(13 lite rs) No
teson windshield washer fluid Obser
vetheno teson oper ating fluids
(/ page33 9). Te
ch nica lda ta 34
3

Engine
Displa
ymes sages
Possible causes/conseq uencesand0050 0050
Solutions
To switch engine off,press
and hold Start/S topbut-
ton foratleast 3secon ds
or press 3times. *Y
ouhave pressed thest ar t/ stop butt onwhile theve hicle isin mo tion. #
Information aboutswitchingoffth eengine whiledriving (/page14 1).
00BD Che ckCoola ntLeve lSee
Ope rator'sManua l *T
hecoolant leve lis toolow.
* NO
TEEngi nedama gedue toinsuf ficie ntcool ant #
Avoid long journeys wit hins ufficie ntcool ant. #
Addcoolant (/page27 5). #
Have theengine cooling system checkedat aqu alif ied spec ialistwo rkshop.
ÿ
Coola ntToo HotStop Vehi-
cle Turn Engine Off *T
hecoolant istooho t. #
Pull overand stop theve hicle safely and switc hof fth eengine, paying attent ion toroad and traffic condi tions. &
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. 360
Display mess ages and warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Intheeve ntofafire intheengine compartmen t,ke ep thehood closed andcallthefire ser vice. #
Waitunt ilth eengine hascooled down. #
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
th ecoolant temp eratur edispla yre mains belowthere dmar king.
ÿ *T
hefanmo toris faulty . #
Avoiding highloads ontheengine, drive to thenear estqu alif ied spec ialistwo rkshop. Indoing so,ensur eth at
th ecoolant temp eratur edispla yre mains belowthere dmar king.
00B6
Fuel Level Low *T
hefuel suppl yhas dropped intoth ere ser verang e. #
Refuel .
00B6
Ga sCa pLoose *T
hefuel filler cap isno tclos edcor rectly orthefuel system isleaking. #
Close thefuel filler cap. #
Ifth efuel filler cap wasalr eady proper lyclosed :con sult aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 36
1

Engine
Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
ÿ Coolant warning lam p(red) *T
he redcoolant warning lam pis lit while theengine isrunning .
Po ssible causes:
R The temp eratur esensor ismalfunct ioning
R The coolant leve lis toolow
R The airsuppl yto thera diat orisobs truct ed
R The radiat orfanis faulty
R The engin eco olan tpum pis 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. #
Intheeve ntofafire intheengine compartmen t,ke ep thehood closed andcallthefire ser vice. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions andswitchof fth eengine. Donotcon tinue
dr iving under anycir cums tances. #
Notethemessag eson themultifunc tiondispla y. Dis
play messa gesand warning/ indic ator lam ps 399

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
If th ecoolant temp eratur edispla yis at thelowe rend ofthete mp eratur escale: #
Consult aqu alif ied spec ialistwo rkshop.
If th ecoolant temp eratur edispla yis at theupper endofthete mp eratur escale: #
Exitth eve hicle andkeep asaf edis tance from itunti lth eengine hascooled down. #
Chec kth ecoolant leve l(/ page27 5). #
Makesur 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.
ÿ Coolant warning lam p(yel‐
lo w) *T
he yello wcoolan twa rning lam pis lit while theengine isrunning .
Po ssible causes:
R The temp eratur esensor ismalfunct ioning
R The charge air,tr ans miss ionoilorbat tery cool ingisfaulty #
Avoiding highloads ontheengine, drive to thenear estqu alif ied spec ialistwo rkshop.
00B9
Engine diagnosis warning
lam p *T
he yello wChec kEn gine warning lam pis lit while theengine isrunning .
A ma lfunctio nha soccu rred intheengine, theex haus tsy stem orthefuel system.
The emission limitvalues maybe exc eeded andtheengine 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. 400
Display mess ages and warning/ indic ator lam ps

Consum
ption indicat or
Calling up.............................................. 154
Con venience closing featur e....... ...............80
Con venience opening ..................................7 9
Coolant (engine)
Capacit y.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 343
Ch eckleve l............................................ 275
No tes... .................................................3 43
Co oling
see Clima tecontr ol
Co pyrights
Licen se............................................ ........ 34
Tr ademar ks<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 34
Co rnering light ...........................................1 19
Cr oss Traf fic Aler t..... .................................2 19
Cr osswind Assist
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 171
Cr uise contr ol
Ac tivati ng........... ....................................176
Butt ons<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>........176
Callin gup aspee d.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 176
Dea ctivating............ ...............................176
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>175 Re
quiremen ts.................................. ...... 176
Sel ecting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 176
Se tting aspe <0048004700110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 176
St or ing aspeed... .............................. ..... 176
Sy stem limit ations. ........................... ..... 175
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 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
Da ytime running lampmode
see Daytime running lights Da
ytime running lights
Switc hingon/o ff<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 124
Deact ivat ing theala rm (ATA )<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 86
De ale rship
see Qualified speci alist wo rkshop
Dec laration ofconf ormity
Wi reless vehicle component s.................. 25
Dec orativ efo il(cleaning instructions) .... 279
Def initions (tiresand loading) .................. 321
Des tinat ionentr y
En tering aPOI oraddress <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 243
De tectin ginat tentiv eness
see ATTENTION ASSIST
Diagnos ticsconnec tion.............................. 25
Digit alOper ator's Manua l... ........................ 18
Dingh yto wing
see Tow- bar system
DIRECT SELECT leve r
Eng aging drive po sitio n............ .............156
Eng aging neutr al....... .............................155
Eng aging par kposi tion......... .................155
Eng aging park position automatic ally....1 55 41
6
Inde x

Eng
aging reve rsege ar. .......................... 155
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>154
Disp lay(car e).............................................2 81
Disp lay(MB UXmultim edi asy stem)
Hom escr een.. .......................................2 30
Di spla y(multime diasystem)
Operating. ........ .....................................2 31
Disp lay(on- boardcom puter)
Dis play son themultifunc tiondispla y.... 226
Di spl aymes sage
Ca lling up(on-bo ardcom puter)...... .......348
No tes... ............................................. ....3 48
Di spla ymessag es
00B2 -- -mp h<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 371
ç -- -mp h<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 371
003D 12VBatt erySee Oper ator's
Manual..... .............................................3 85
00D7 48VBatt erySee Oper ator's
Manu al........ .......................................... 386
: ActiveHea dlamps Inoperati ve...... 355
é ATTENTION ASSISTInoper ative... .3 70 é
ATTENTION ASSIST: Take a
Br ea k!<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>........371
: Automatic HeadlampMode
Inoper ative....... ..................................... 354
0027 CheckBr ak eFlui dLe vel............... 369
0026 CheckBr ak ePa ds See Oper a‐
to r's Manua l......... ................................. 370
00BD CheckCoolan tLe velSee Oper‐
at or's Manual ........................................ 360
00B3 CheckEn gine OilAtNe xtRe fu‐
eli ng. ...... ............................................... 393
00B3 CheckEngi neOilLe vel(A dd 1
qu art).................................................... 393
: CheckLef tLo wBeam (exa m‐
ple)....... ................................................. 354
0077 CheckTire s<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 389
00B2 CheckWa sher Fluid... .................. 359
ÿ CoolantTooHo tSt op Vehicle
Tu rn Engi neOff............ ......................... 360 00CE
Current lyUn available Camera
Vi ew Restrict ed<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> .........377
ç Currentl yUna vailable Radar
Sen sorsDir ty.... .....................................3 76
0025 Currentl yUna vailable See
Opera tor's Manua l........ ........................ 380
00E5 Current lyUn available See
Operat or'sMan ual................................3 82
Á Don't Forget Your Key<0011001100110011001100110011001100110011001100110011001100110011
00110011> 353
00CC Drive More Slowly<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 379
00B3 EngineOilLe velCann otBe
Mea sured<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>....395
00B3 Engine OilLevelLo wStop Vehi‐
cle Turn Engi neOff............ ....................394
00B3 EngineOilPr es su re Stop
Switc hOf fEngin e... ...............................3 95
00B3 Engine OilReduce OilLevel.......... 394
0075 Front LeftMalfunction Service
Re quired (exa mp le)...............................3 49 Inde
x41
7

Vo
ice Contr olSy stem
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>232
St artin g... .............................................. 233 W
Wa rning lam ps
see Warning/ indic ator lam ps
Wa rning system
see ATA(anti-t heftal ar m system)
Wa rning triang le
Re mo ving... ........................................... 283
Se tting up..... .........................................2 84
Wa rning/indicat orlam p
0025 ABSwa rning lam p........................4 06
00D4 ActiveBr ak eAssi stwa rning
lam p...................................................... 405
004D Brakesy stem warning lam p
(Canada only)........................................ 404
0027 Brakewa rning lam p(US Aonl y)....4 04
004D Brak es warning lam p(yello w)
(Canada only).................................... .... 403
ÿ Coolant warning lam p(red) .......... 399 ÿ
Coolant warning lam p(yello w).....4 00
0024 Electricpar king brak eindi cator
la mp (red) (Canada only).......................4 02
0049 Electricpar king brak eindi cator
la mp (red) (USAonl y)............................4 02
003D Electricalmalfunction warning
lam p.................................................. .... 401
00B9 Engine diagno siswarning lam p....4 00
00BB ESP®
OFF warning lam p...............4 07
00E5 ESP®
wa rning lam pflashes .......... 406
00E5 ESP®
wa rning lam plight sup ........ 407
00B6 Fuelreser vewarning lam p
fl ashes .............................................. .....4 01
00B6 Fuelreser vewarning lam p
light sup. ................................................ 401
Ù Powe rst eer ing warning lam p
(r ed) ...................................................... 398
00C6 Recup erati ve Brak eSy stem
wa rning lam p(US Aonl y)....................... 403
0075 Restra int system warning lam p.. .. 397 00E9
Seatbeltwarning lam pflashes .... 397
00E9 Seatbeltwarning lam plight s
up. .........................................................3 98
ä Suspe nsionwarning lam p(yel‐
lo w). ...................................................... 405
0024 Theelect ric pa rking brak e(yel‐
lo w) indic ator lam p.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 402
0077 Tire pressur emonit oring sys‐
te m wa rning lam pflashes .....................4 08
0077 Tire pressur emonit oring sys‐
te m wa rning lam plight sup. .................. 409
L Warning lam pfo rdis tance
wa rning func tion. .................................. 405
Wa rning/indicat orlam ps
Ov ervie w.. .............................................3 95
PA SSENGER AIRBAG.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 47
Wa rranty ...................................................... 29
Wa sher fluid
see Windsh ield wa sher fluid
Wa shing byhand (car e)...... ...................... 278 Inde
x439