MERCEDES-BENZ C-CLASS SEDAN 2021 Owner's Manual

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Stop theve hicle inaccor dance withth etra ffic con dition s. #
Chec kth etir epr essur e(/ page336) andthetir es.
0077 Please Correct TirePres-
sure *T
hetirepr essur eis toolow in at leas tone ofthetir es, orthedif fere nce intirepr ess urebe twee nth eindividual
wheels istoogr eat. #
Chec kth etir epr essur eand add air,if neces sary. #
When thetir epr essur eis cor rect, restar tth etir epr essur emonit or(/ page34 1).
0077 Warning TireMalfunct ion *T
hetirepr essur ein one ormor etir es has dropped suddenly .The wheel position willbedispla yed. &
WARNIN GRisk ofan acci dent from drivi ng with aflat tire
R The tires can overheat and bedamag ed.
R The driving charact eristic sas wellas thesteer ing and braking charact eristic sma ybe great lyim pair ed.
Yo uco uld then lose control of theve hicle. #
Donotdr ive wit haflat tire. #
Donotexc eed themaximum permissible driving distance ineme rgency modeand themaximum permissi‐
ble speed withaflat MOE xtend edtire. #
Obse rveth eno teson flat tires. No
tesin theeve ntofaflat tire(/ page31 5). Displ
aymessa gesand warning/ indic ator lam ps 41
9

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Stop theve hicle inaccor dance withth etra ffic con dition s. #
Chec kth etir es.
Tires Overheat ed *A
tle as tone tireisov erheating. Theaffect ed tires aredispl ayed inred. At temp eratur esclose tothelimit value, the
tir es aredisp laye din yello w. &
WARNIN GRisk ofan acci dent from drivi ng with ove rheat edtires
Ov erheat edtires can burst. #
Reduce speed sothat thetir es cool down. Dec
rease Speed *A
tle as tone tireisov erheating. Theaffect ed tires aredispl ayed inred. At temp eratur esclose tothelimit value, the
tir es aredisp laye din yello w. &
WARNIN GRisk ofan acci dent from drivi ng with ove rheat edtires
Ov erheat edtires can burst. #
Reduce speed sothat thetir es cool down. 420
Displa ymessag esand warning/ indic ator lam ps

Ti
re pres sur elo ss wa rning system Displa
ymess ages
Possible causes/conseq uencesand0050 0050
Solutions
Check TirePressure Soon *C
anada only:
The tirepr essur eloss warning system has detected asig nifica ntlos sof press ure. &
WARNIN GRisk ofan acci dent dueto insuf ficie nttirepr ess ure
R The tires can burst.
R The tires can wearexc essiv elyand/or unevenly.
R The driving charact eristic sas wellas thesteer ing and braking maybe greatl yim pair ed.
Yo uco uld then lose control of theve hicle. #
Obser vethere comme ndedtirepr ess ures. #
Adjus tth etir epr essur eif neces sary. #
Stop theve hicle inaccor dance withth etra ffic con dition s. #
Chec kth etir epr essur e(/ page336) andthetir es. #
When thetir epr essur eis cor rect, restar tth etir epr essur eloss warning system (/ page342).
Check TirePressure Then
Restart RunFlatIndic ator *C
anada only:
The tirepr essur eloss warning system gener ated adi spl aymessa geand hasnotbeen restar tedsinc e. #
When thetir epr essur eis cor rect, restar tth etir epr essur eloss warning system (/ page342). Displa
ymessag esand warning/ indic ator lam ps 42
1

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 (/ page305 ).
No teson engine oil(/ page37 2). 422
Displaymessa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
00B3 Check Engine OilLevel
(Add 1quart) *D
ispla ymess ageonl yfo rcer tainengi nes:
The engineoille ve 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(/ page305) .
No teson engine oil(/ page37 2).
00B3 Engine OilRed uce OilLevel *D
ispla ymess ageonl yfo rcer tain engin es:
The engin eoil leve 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. Dis
play messa gesand warning/ indic ator lam ps 423

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(/ page305) . #
Che cktheengine oilleve l.
No teson engine oil(/ page37 2).
00B3 Engi neOilPre ssu reStop
Swi tch OffEngi ne *D
ispla ymess ageonl yfo rcer tainengi nes:
The oilpr ess ureis 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. 42
4
Displa ymessag esand warning/ indic ator lam ps

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. Dis
playmes sagesand warning/ indic ator lam ps 425

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

Occupant
safety Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0075 Re stra int system warning
lam p *T
he redre stra int system warning lam pis lit while theengine isrunning .
The restra int system ismalfunct ioning(/page36). &
WARNIN GRisk ofinju rydue tomalfu nctions inthere stra int system
Com ponen tsinthere stra int system maybe activ ated unint entionally ornotdeplo yas planned inan acciden t. #
Have there stra int system checkedand repair edimmediat elyataqu alif ied spec ialistwo rkshop. #
Drive on car efully . #
Notethemessag eson themultifunc tiondispla y. #
Con sult aqu alif ied spec ialistwo rkshop immediat ely.
00E9
Sea tbel twa rning lam p *T
he redseat beltwarning lam pflashes andanintermit tent wa rning tone sou nds.
or
The redseat beltwarning lam plight sup forsix seconds oncetheengine hasstar ted.
In addition, anintermitt entwarning tone maysou nd.
The redse at beltwa rning lam pflashes andanintermit tent wa rning tone sounds:
The driver or front passeng erhas notfa stened hisorher seat beltwhile theve hicle isin mo tion. #
Fasten your seat belt(/page40 ).
Ther ear eobj ect son thefront passeng erseat. Displa
ymessag esand warning/ indic ator lam ps 42
7

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
Remo vetheobjec tsfrom thefront passeng erseat.
The redse at beltwa rning lam plight sup once theengine hasstar ted:
In addition, anintermitt entwarning tone maysou nd.
The redseat beltwarning lam pre minds thedr iver and front passeng ertofasten their seat belts. #
Fasten your seat belt(/page40 ).
If yo uha ve placed objectson thefront passeng erseat, there dseat beltwarning lam pma yre main lit. Ve
hicl e Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
Ù Po we rst eer ing warning
lam p(red) *T
he redpo we rst eer ing system warning lam pis lit while theengine isrunning .
The powe rassi stanc eor thesteer ing itself ismalfunct ioning. &
WARNIN GRisk ofacci dent ifsteer ing capability isim pair ed
If th esteer ing does notfunc tion asintended, theve hicle's operating safetyis jeopar dized. #
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. #
Notethemessag eson themultifunc tiondispla y. 428
Displa ymessag esand warning/ indic ator lam ps