2021 MERCEDES-BENZ C-CLASS CABRIOLET coolant

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
00B2 Check Washer Fluid *T
hewasher fluid leve lin thewa sher fluid reser voirhas dropped belowtheminimum. #
Addwa sher fluid (/ page32 2). Engine
Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
To switch engine off,press
and hold Start/S topbut-
ton foratleast 3secs. or
press 3times. *Y
ouhave pressed thest ar t/ stop butt onwhile theve hicle isin mo tion. #
Information aboutswitchingoffth eengine whiledriving (/page12 5).
00BD
Che ckCoo lant Level See
Opera tor'sManu al *T
hecoolant leve lis toolow.
* NO
TEEngi nedama gedue toinsuf ficie ntcool ant #
Avoid long journeys wit hins ufficie ntcool ant. #
Addcoolant (/page322 ). #
Have theengine cooling system checkedat aqu alif ied spec ialistwo rkshop. 41
2
Display messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
ÿ Coolant TooHotStop Vehi-
cle Turn Engine Off *T
hecoolant istooho t. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions andswitchof fth eengine. &
WARNIN GRisk ofburnswhen opening thehood
If yo uopen thehood when theengine hasoverheat edorwhen ther eis afire intheengine compartmen t,th e
fo llo wing situat ionsmayocc ur:
R Youco uld come intoco ntact withho tga ses.
R Youco uld come intoco ntact withot her hot,escaping operating fluids. #
Beforeopen ingthehood, allowtheove rheat edengine tocool down. #
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. Displa
ymessag esand warning/ indic ator lam ps 41
3

Indi
catorand warning lam ps:
0075 Re
stra int system (/ page44 9)
00E9 Seat
belt(/ page44 9)
Ù Powe rst eer ing (/ page450)
ÿ Coolanttemp eratur e(/ page45 1)
00B9 Chec
kEn gine (/page45 1)
003D Elect
rical mal functi on(/ page 451)
00B6 Re
ser vefuel withfuel filler flap loca‐
tio nind icat or(/ page45 1)
0049 US
A:elec tric par kingbr ak e(red)
(/ page45 4)
0024 Canada:
electric par kingbr ak e(red)
(/ page45 4)
0024 Ele
ctric pa rking brak e(yello w)
(/ page45 4)
00C6 US
A:Recup erati ve Brak eSy stem
(/ page45 4)
004D Canada:
brak es (yello w)
(/ page45 4)
0027 US
A:brak es (red) (/ page45 4)
004D Canada:
brak es (red) (/ page45 4) L
Distance warning (/ page45 7)
ä AIRMA TIC(/ page45 7)
ä DYNA MIC BODY CONTR OL
(/ page45 7)
0025 ABS
(/page458)
00E5 ESP®
(/ page458)
00BB ESP®
OFF (/page458)
0077 Ti
re pressur emonit oring system
(/ page460)
0060 Pa
rking lam ps(/ page10 8)
0058 Lo
wbe am (/ page10 8)
0057 Hi
gh beam (/ pag e10 9)
003E003D Tu
rn signal lights(/page10 9)
005E Re
ar foglam p(/ page10 8) 44
8
Dis play messa gesand warning/ indic ator lam ps

Engine
Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
ÿ Coolant warning lam p *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 coolan tpum pis faulty
If th er eis an additional warning tone, thecoolant temp eratur ehas exceeded themaximum permissible temp eratur e. &
WARNIN GRisk ofburnswhen opening thehood
If yo uopen thehood when theengine hasoverheat edorwhen ther eis afire intheengine compartmen t,th e
fo llo wing situat ionsmayocc ur:
R Youco uld come intoco ntact withho tga ses.
R Youco uld come intoco ntact withot her hot,escaping operating fluids. #
Beforeopen ingthehood, allowtheove rheat edengine tocool down. #
Intheeve ntofafire intheengine compartmen t,ke ep thehood closed andcallthefire ser vice. Displa
ymessag esand warning/ indic ator lam ps 45
1

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
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.
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(/ page322) . #
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.
00B9 En gine 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. #
Have theve hicle checkedas soon aspossible ataqu alif ied spec ialistwo rkshop. 452
Displa ymessag esand warning/ indic ator lam ps

Con
venience opening ..................................8 0
Coolant (engine)
Capacit y.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 394
Ch eckleve l............................................ 322
No tes... .................................................3 93
Co oling
see Clima tecontr ol
Co pyrights
Licen se.................................................... 34
Tr ademar ks<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 34
Co rnering light ...........................................1 11
Cr oss Traf fic Aler t..................................... 198
Cr osswind Assist
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 153
Cr uise contr ol
Ac tivati ng........... ................................. ..158
Butt ons<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>........158
Callin gup aspee d.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 158
Dea ctivating............ ..............................158
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>157
Re quiremen ts:.......................................1 58
Selecti ng........ ................................... .... 158
Se tting aspe <0048004700110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 158 St
or ing aspeed... .............................. ....1 58
Sy stem limit ations. ........................... ..... 157
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
0011001100110011> 236
Im por ting/e xporting<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 236
Dat apr otection 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.... ................................................... 230 Da
ytim eru nning lampmode
see Daytime running lights
Da ytime running lights
Switc hingon/o ff<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 112
Deact ivat ing theala rm (ATA )<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 83
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) .... 326
Def initions (tiresand loading ).. ................ 371
Des tinat ion
Ed iting intermed iatedes tinat ions.......... 247
Edi ting thepr ev ious destination s..........2 58
Ext ernal ....... .......................................... 258
Sa ving (current vehicle position)... ........ 257
Sa ving asglobal favo rite <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 258
St or ing amap position. .........................2 58
De stinat ionentr y
En tering a3 wo rdaddr ess..................... 248
Ent ering aPOI oraddress...... ................243
Ent ering anintermed iate des tination.... .247
Ent ering geo-coor dinates..... .................. 248 Inde
x469

Sel
ecting acont act<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 248
Sel ecting aPOI <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 246
Sel ecting from themap.... ..................... 249
Sel ecting prev ious destination s.............2 45
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............ .............138
Eng aging neutr al....... .............................137
Eng aging park position .......................... 138
Eng aging park position automatic ally....1 38
Eng aging reve rsege ar. .......................... 137
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>136
Disp lay(car e)............ .................................3 30
Di spla y(multime diasystem)
Se ttings. .......................................... ...... 229
Displa y(on-boa rdcom puter)
Dis play son themultifunc tiondispla y.... 203 Di
spl aymes sage
Ca lling up(on-bo ardcom puter)..... ........ 398
No tes... ............................................. ....3 98
Di spla ymessag es
00B2 ---mp h<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 423
ç ---mp h<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 423
003D 12VBatt erySee Oper ator's
Manual..... .............................................4 37
0059 12VBatt erySee Oper ator's
Manual..... .............................................4 05
: ActiveHea dlamps Inoperati ve...... 407
é ATTENTION ASSISTInoper ative... .4 22
é ATTENTION ASSIST: Take a
Br ea k!<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>.........423
: Automatic HeadlampMode
Inoper ative....... ..................................... 406
0027 CheckBr ak eFlui dLe vel............... 421
0026 CheckBr ak ePa ds See Oper a‐
to r's Manua l......... ................................. 422
00BD CheckCool antLevelSee Oper‐
at or's Manual .........................................4 12 00B3
CheckEn gin eOil AtNe xtRe fu‐
eli ng. ...... ............................................... 444
00B3 CheckEn gin eOil Level(A dd 1
qu art).................................................... 445
: CheckLef tLo wBeam (exa m‐
ple)....... ................................................. 406
0077 CheckTire s<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 440
00B2 CheckWa sher Fluid... ...................4 12
0059 Convertible TopLo we ring............. 404
0059 Convertible TopOper ation Pos‐
sible to37 mph<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 404
ÿ Coolant TooHo tSt op Vehicle
Tu rn Engi neOff............ ..........................413
0025 Currentl yUna vailable See
Opera tor's Manua l........ ........................ 432
00E5 Current lyUn available See
Operat or'sMan ual................................4 33
Á Don't Forget Your Key<0011001100110011001100110011001100110011001100110011001100110011
00110011> 403
00CC Drive More Slowly<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 431 47
0
Inde x

Ve
hicl eoper ation
Outsi detheUS Aor Canada.. ...................2 3
Ve hicl eto ol kit
TIRE FITkit............................................. 336
To wing eye... .................................... ..... 350
Ve ntilat ing
Con venie nce openi ng<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .....80
Ve ntilat ion
see Climat econt rol
Ve nts
see Airvents
Vi deo mode
Ac tivati ng........... ................................. ..298
Ac tivati ng/d eactiv ating full-scr een
mod e............... ................................. .....300
Ov ervie w............. ................................. .300
Se ttings .............. ................................... 301
VIN Identif icationplate<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 387
Sea <0057001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 387
Wi ndsh ie<004F004700110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ......387
Vi sion
Re mo ving condensatio nfrom the
windo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 121 Vo
ice comm andtypes(Voice Contr ol
Sy stem). .....................................................2 07
Vo ice Contr olSy stem
App licat ionspec ific voice com mand s.... 207
Au dible helpfunctions...........................2 08
Gl oba lvo ice com mand s.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 207
Im prov ing speec hqu alit y................. .....2 08
Langu agese tting. ............................ ...... 207
Medi apla yervo ice com mand s............... 214
Messag evo ice com mand s.....................2 16
Multifunction steer ing wheel (operat‐
ing).. ................................................ ...... 206
Na vig ation voice com mand s.................. 210
Oper ablefunctions. ........................... ....2 07
Oper ating safety.. .................................. 206
Ra dio voice com mand s.................... ...... 213
Swi tchvo ice com mand s................... .....2 08
Te lephon evo ice con trols. ...................... 213
Te xt mes sage voice com mand s........ .....2 16
Ty pes ofvoice com mand s................ .....2 07
Ve hicle voice com mand s.................. .....2 17
Vo ice prom pting. .............................. .....2 07
Vo ice contr olsystem
see Voice Cont rolSy stem 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... ........................................... 333
Se tting up..... .........................................3 34
Wa rning/indicat orlam p
0025 ABSwa rning lam p........................4 58
004D Brak esy stem warning lam p
(Canada only)........................................ 456
0027 Brakewa rning lam p(US Aonl y)....4 56
004D Brak es warning lam p(yello w)
(Canada only)........................................ 455
ÿ Coolant warning lam p.. .................4 51
0024 Electricpa rking brak eindic ator
lam p(red) (Canada only).......................4 54
0049 Electricpa rking brak eindic ator
lam p(red) (USAonl y)............................4 54 Inde
x495