light MERCEDES-BENZ C CLASS 2021 Owners Manual

Fi
rs tle tter( s)1 1:
R Without :passeng ervehicle tires accor dingto
Eur opeanma nuf actu ring standar ds.
R "P": passe nger vehicle tires accor dingtoUS
manuf acturingstandar ds.
R "LT": light truc ktir es acc ordin gto US manu‐
fa ctur ingstandar ds.
R "T": com pact emer gency sparewheels with
high tirepr essur eth at areon lydesigned for
te mp orar yuse inan emer gency .
As pec tra tio 3 3:
Ra tio betwee ntir ehe ight and tirewidthin pe r‐
cent (tire height divided bytirewi dth).
Tir eco de 4 4
(tire type ):
R "R"ra dial tire
R "D": bias plytire
R "B": bias beltedtires
R "ZR": radial tirewit hamaximum speedabove
14 9mp h(2 40 km/h) (optional) Rim
diame ter5 5:
The diam eter ofthebead seat(notth ediame ter
of therim flang e).The rim dia me teris specif ied
in inc hes (in).
Load-be aring inde x6 6:
Numer icalcode that spec ifies themaximum
load-bear ingcapacity ofatir e(e.g. "91" cor re‐
sponds to1356 lbs (615 kg)).
The load-bear ingcapacity ofthetir emus tbe at
leas thalf thegr oss axle weight rating ofyour
ve hicle. Donotove rload thetir es by exc eeding
th especif iedload limit.
See also:
R Maximum permissible loadontheTire and
Loadi ngInfo rm atio nplacar d(/ page34 3)
R Max imum tireload (/page34 9)
R Load index
Speed ratin g7 7:
Spe cifiesth eappr oved maximum speedofthe
tir e. %
Anelectr onicsp ee dlimi terpr eve nts your
ve hicle from exceeding aspeed of130mp h
(2 10 km/h) .
Ma kesur eth at your tires have there qu ired
speed rating .Yo ucan obtain informat iononthe
re qu ired speed rating from anauthor ized
Mer cedes-B enzCent er.
Summ ertires Inde
xS peedra tin g
Qu pto 100mp h(1 60 km/h)
Ru pto 106mp h(170 km/h)
Su pto 112mp h(1 80 km/h)
Tu pto 118mp h(1 90 km/h)
Hu pto 130mp h(210 km/h)
Vu pto 149mp h(2 40 km/h)
Wu pto 168mp h(2 70 km/h)
Yu pto 186mp h(3 00 km/h) Whee
lsand tires 35
1

Inde
xS peedra tin g
ZR ...Y 1
upto186mp h(3 00 km/h)
ZR ...(..Y) 1
over18 6mp h(3 00 km/h)
ZR 1
over14 9mp h(2 40 km/h) R
Specifying thespeed rating asthe"ZR" index
in tirecode 4isop tion alfortir es up to
18 6mp h(3 00 km/h) .
R Ifyo ur tireco de 4 includes "ZR"andther e
is no speed rating 7,find outwh atthemax‐
imum speed isfrom thetir emanuf acturer.
R Ifload-bear inginde x6 and speed rating 7
ar ein brac kets, themaximum speedrating of
yo ur tireis abo ve186mp h(300 km/h). To
fi nd outth emaximum speed,askthetir e
manuf acturer. All-w
eather tires and wint ertires Inde
xS peedra tin g
Q M+S 2
upto100mp h(1 60 km/h)
T M+S 2
upto118mp h(190 km/h)
H M+S 2
upto130mp h(210 km/h)
V M+S 2
upto149mp h(2 40 km/h) Wi
nter tires bear the004D snowflak esymbol
and fulfillthere qu iremen tsof theRu bber Manu‐
fa ctur ersAssoci ation (RMA) andtheRu bber
Assoc iation ofCanada (RAC)rega rding thetir e
tra ction onsno w.
Load index8 8:
R Nospec ificat ion given: standar dload (SL)
tir e
R "XL" or"Ex tra Load": extra load tireor rein‐
fo rc ed tire
R "Light Load": lightloadtire R
"C", "D", "E":aload rang eth at depen dson
th emaximum loadthat thetir ecan carryata
cer tain pressur e Def
inition ofterm sfo rtir es and loadin g
Ti re stru ctu reand charact eristics :descr ibes
th enumber oflaye rs or thenumber ofrubber -
coat edbelts inthetir econ tact surface and the
tir ewa ll.These aremade ofsteel, nylon, poly‐
es terand other materials.
Bar: metric unit fortir epr essu re.
14 .5038 pounds persquar einc h(p si) and
10 0kilop ascal(kP a)istheeq uiv alent ofone bar.
DO T(Depar tment ofTranspo rtation ):DO T-
mar kedtir es fulf illthere qu iremen tsof the
US Depar tment ofTrans portatio n.
Av erag ewe ight oftheve hicl eoc cupants: the
num berof vehicle occupants forwhi chtheve hi‐
cle isdesigned, multiplied by150lb (68 kg).
1 "ZR" stat ed inthetir ecode.
2 Or "M+S004D" forwint ertires. 352
Wheel sand tires

No
teson windshield washer fluid Obser
vetheno teson oper ating fluids
(/ page36 9). &
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
(/ page36 9). *
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 37
5

Light
s Displa
ymess ages
Possible causes/conseq uencesand0050 0050
Solutions
: Check LeftLow
Beam (exa mp le) *T
hecor responding lightsourceisdef ectiv e. #
Drive on car efully . #
Visit aqu alif ied spec ialistwo rkshop immediat ely.
% LED lightsour ces: thedispla ymessag efo rth ecor responding lightappea rsonl ywhen allthelight- emitt ing
diodes inthelight arefa ulty .
: Malf unctionSee Oper a-
to r’s Man ual *T
heexterior lighting ismalfunct ioning. #
Consult aqu alif ied spec ialistwo rkshop.
: Automatic HeadlampMode
Inoperative *T
helight sensor ismalfunctionin g. #
Consult aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 385

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
: Act ive Headlamps Inopera-
tive *T
heactiv eheadla mpsar emalfunctioning. #
Consult aqu alif ied spec ialistwo rkshop.
: Switch OnHeadla mps *Y
ouaredr iving without low- beam headlam ps. #
Turn thelight switc hto the0058 or0058 position .
:
Switc hOff Lights *Y
ouarelea ving theve hicle andthelights arest ill switc hedon. #
Turn thelight switc hto the0058 position .
: Int ell. Light System Inoper-
ative *T
heIntellig entLight System ismalfunct ioning.Thelighting system continues tofunction proper lywit hout thefunc ‐
tion sof theInt ellig entLight System. #
Consult aqu alif ied spec ialistwo rkshop. 386
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

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