2021 MERCEDES-BENZ C CLASS coolant

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions &
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. 392
Displa ymessag esand warning/ indic ator lam ps

Indi
catorand warning lam ps:
0075 Re
stra int system (/ page42 7)
00E9 Seat
belt(/page42 7)
Ù Powe rst eer ing (/ page428)
ÿ Coolanttemp eratur e(/ page429)
00B9 Chec
kEn gine (/page429)
003D Elect
rical mal functi on(/ page 429)
00B6 Re
ser vefuel withfuel filler flap loca‐
tio nind icat or(/ page42 9)
0049 US
A:elec tric par kingbr ak e(red)
(/ page43 2)
0024 Canada:
electric par kingbr ak e(red)
(/ page43 2)
0024 Ele
ctric pa rking brak e(yello w)
(/ page432)
00C6 US
A:Recup erati ve Brak eSy stem
(/ page432)
004D Canada:
brak es (yello w)
(/ page432)
0027 US
A:brak es (red) (/ page432)
004D Canada:
brak es (red) (/ page432) L
Distance warning (/ page435)
ä AIRMA TIC(/ page435)
ä DYNA MIC BODY CONTR OL
(/ page435)
0025 ABS
(/page436)
00E5 ESP®
(/ page436)
00BB ESP®
OFF (/page436)
0077 Ti
re pressur emonit oring system
(/ page438)
0060 Pa
rking lam ps(/ page11 4)
0058 Lo
wbe am (/ page11 4)
0057 Hi
gh beam (/ pag e11 5)
003E003D Tu
rn signal lights(/page11 5)
005E Re
ar foglam p(/ page11 4) 426
Displaymessa 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 429

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(/ page306) . #
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. 430
Displa ymessag esand warning/ indic ator lam ps

Do
wnl oading (from mob ile ph one )........ 263
Im por <0057004C0051004A001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 264
Im por ting (ove rview). ........................ .... 264
Inf ormatio n....................................... .....2 63
Maki ngacall.......... ...............................265
Na me form at......................................... 264
Op tions.................................................2 65
St or ing.... ..............................................2 65
Co ntr oller
Oper <00440057004C0051004A00110011001100110011001100110011001100110011
00110011> .................................. 214
Con venience closing featur e....... ...............79
Con venience opening ..................................7 8
Coolant (engine)
Capacit y.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 374
Chec kleve l............................................ 306
No tes... ............................................. ..... 374
Cooling see Climat econ trol
Cop yright s
Lic ens e............................................ ........ 34
Tr ademar ks<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 34
Co rnering light ...........................................1 17
Cr oss Traf fic Aler t..................................... 204 Cr
osswind Assist
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 161
Cr uise contr ol
Ac tivati ng........... ................................. ..166
Butt ons<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>..........166
Callin gup aspee d.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 166
Dea ctivating............. .............................166
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011>165
Re quiremen ts:.......................................1 66
Selecti ng........ ................................... .... 166
Se tting aspe <0048004700110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 166
St or ing aspeed... .............................. ....1 66
Sy stem limit ations. ........................... ..... 165
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> 226
Im por ting/e xporting<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 226Dat
apr otection rights
Dat ast or ag e... ......................................... 32
Data storage
Dat apr otect ion rights ............................. 32
Elect ronic contr oluni ts<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ...29
Onl ine service s.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 32
Ve hicle. ................................................... 29
Dat e
Se ttin gth etime anddateaut omati‐
call y.... ................................................... 222
Da ytim eru nning lampmode
see Daytime running lights
Da ytime running lights
Switc hingon/o ff<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 118
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) .... 310
Def initions (tiresand loading) ................. 352
Des tinat ion
Editin gint ermediat edes tinat ions.... ...... 237 Inde
x44
7

Edi
ting thepr ev ious destination s........... 247
Ext ernal ............ .....................................247
Sa ving (current vehicle position)... ......... 247
Sa ving asglobal favo rite <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 247
St or ing amap position. .......................... 247
Des tinat ion entry
Ent ering a3 wo rdaddr ess............... ...... 238
En tering aPOI oraddress <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 232
Ent ering anintermed iate des tination.... 236
En tering geo-coor dinates..... ................. 238
Select ingacont act.... ........................ ... 237
Select ingaPOI.. .................................... 235
Select ingfrom themap.... ..................... 238
Select ingprev ious destination s.............2 35
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............ .............145
Eng aging neutr al....... .............................144
Eng aging park position .......................... 145 Eng
aging park position automatic ally....1 45
Eng aging reve rsege ar. ...................... .... 144
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011>143
Disp lay(car e).............................................3 12
Disp lay(m ult imedi asy stem)
Se ttings. .......................................... ...... 221
Displa y(on-boa rdcom puter)
Dis play son themultifunc tiondispla y.... 209
Di spl aymes sage
Ca lling up(on-bo ardcom puter)..... ........ 379
No tes... ............................................. ..... 379
Disp laymes sages
00B2 ---mp h<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 402
ç ---mp h<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 402
003D 12VBatt erySee Oper ator's
Manual..... .............................................. 415
: ActiveHea dlamps Inoperati ve...... 386
é ATTENTION ASSISTInoper ative... .4 01
é ATTENTION ASSIST: Take a
Br ea k!<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>........402 :
Automatic HeadlampMode
Inoper ative....... ..................................... 385
0027 CheckBr ak eFlui dLe vel............... 400
0026 CheckBr ak ePa ds See Oper a‐
to r's Manua l......... ................................. 401
00BD CheckCool antLevelSee Oper‐
at or's Manual ........................................ 391
00B3 CheckEn gine OilAtNe xtRe fu‐
eli ng. ...... ............................................... 422
00B3 CheckEngi neOilLe vel(A dd 1
qu art).................................................... 423
: CheckLef tLo wBeam (exa m‐
ple)....... ................................................. 385
0077 CheckTire s<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 418
00B2 CheckWa sher Fluid... .................. 390
ÿ CoolantTooHo tSt op Vehicle
Tu rn Engi neOff............ ..........................391
0025 Current lyUn available See
Operat or'sMan ual................................. 410 44
8
Inde x

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... ............................................ 314
Se tting up<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 315
Wa rning/indicat orlam p
0025 ABSwa rning lam p........................4 36
004D Brak esy stem warning lam p
(Canada only)........................................ 434
0027 Brakewa rning lam p(US Aonl y)....4 34
004D Brak es warning lam p(yello w)
(Canada only).................................... .... 433
ÿ Coolant warning lam p..................4 29
0024 Electricpar king brak eindi cator
la mp (red) (Canada only).......................4 32
0049 Electricpar king brak eindi cator
la mp (red) (USAonl y)............................4 32 003D
Electricalmalfunction warning
lam p.................................................. .... 431
00B9 Engine diagno siswarning lam p....4 30
00BB ESP®
OFF warning lam p...............4 37
00E5 ESP®
wa rning lam p......................4 36
00B6 Fuelreser vewarning lam p.. .........4 31
Ù Powe rst eer ing warning lam p
(r ed).. .................................................... 428
00C6 Recup erati ve Brak eSy stem
wa rning lam p(US Aonl y)................... .... 433
0075 Restra int system warning lam p.. .. 427
00E9 Seatbeltwarning lam p................4 27
ä Suspens ion wa rning lam p(yel‐
lo w). ...................................................... 435
0024 Theelect ric pa rking brak e(yel‐
lo w) indic ator lam p................................4 32
0077 Tire pressur emonit oring sys‐
te m wa rning lam p............................. .....4 38
L Warning lam pfo rdis tance
wa rning func tion. .............................. .... 435 Wa
rning/indicat orlam ps
Ov ervie w............................................... 425
PA SSENGER AIRBAG.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 46
Wa rranty ...................................................... 29
Wa sher fluid
see Windsh ield wa sher fluid
Wa shing byhand (care)........... ................. 309
Wa terta nk
see Air-water duct
We ather information ................................. 255
what3w ords
Des tinatio nentr ywit ha3 wo rd
addr ess................................................. 238
Wh eel chang e
Lo we ring theve hicle. ............................3 63
Mou nting ane wwhe el...... .................... 362
Re mo ving awhee l........ ......................... 362
Re mo ving/ins talling hubcaps ...............3 59
Whee lro tat ion ...........................................3 58
Whee ls
Ca re<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 311
Chan ginghub caps ................................ 359
Chec king............................................... 335 In
de x 47
3