2021 MERCEDES-BENZ C-CLASS SEDAN fuel

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ENV
IRONM ENTALNOTEEnvironme ntal
po lluti on dueto disposing ofoper ating
fl uids inano n-en viron men tally responsi‐
ble manner Oper
ating fluids include thefo llo wing:
R fuels
R exhaus tga saf te rtre atm entaddit ives, e.g.
DE F
R lubr ican ts
In cor rect dispo salofope rating fluids can
caus eco nsider able damag eto theen viron‐
ment . #
Dispose ofoper ating fluids inan envi‐
ro nment ally responsible manner. Oper
ating fluids include thefo llo wing:
R Fuels
R Lubricant s
R Coolant
R Brak efluid
R Windsh ield wa sher fluid R
Climat eco ntro lsy stem refrig er ant
Only useprodu ctsapp rove dby Mer cedes-Ben z.
Damag ecaused bytheuse ofproducts that have
no tbe en approve dis no tco veredby the
Mer cedes-Ben zwa rrant yor good willgestur es.
The oper atingfluids approvedby Mer cedes-Ben z
can beidentif iedbythefo llo wing inscript ions on
th econ tainer :
R MB- Freig abe (e.g. MB-Freig abe 229. 51)
R MB- Appr oval (e. g.MB- Approva l229 .51)
Fu rther information onappr ovedoper ating flu‐
ids:
R intheMer cedes- BenzSpecif ication sfo r
Oper ating Fluids byent ering thedesignation
- athtt ps:/ /bevo.mercedes-b enz.com
- intheMer cedes- BenzBeVoapp
R ataqu alif ied spec ialistwo rkshop &
WARNIN GRisk offire or explosion from
fuel
Fu els arehighly flammab le. #
Fire,open flames ,smo kingand creat ion
of spar ksmus tbe avo ided. #
Swit choffth eignition and,ifav ailable,
th est atio naryheat er,bef oreand while
re fuel ingtheve hicle. &
WARNIN GRisk ofinju ryfrom fuels
Fu els arepoisonous andhazar dous toyour
healt h. #
Donotsw allo wfuel orletit co me into
co ntact withsk in, eyes orclo thing. #
Donotinhale fuelvapor . #
Keep childr enaway from fuel. #
Keep door sand windo wsclos edduring
th ere fuel ingprocess.
If yo uor other people comeintocont actwith
fuel, obser vethefo llo wing: #
Imm ediat elyrinse fuelof fyo ur skin wit h
soap andwater. #
Iffuel comes intocont actwithyo ur
ey es, immediat elyrinse them thor‐ 37
0
Tech nica lda ta

oughl
ywit hclean water.Seek medical
att entio nimm ediately . #
Ifyo usw allo wfuel, seek medicalatten‐
tio nimm ediat ely. Do notind uce vomit‐
ing. #
Cha ngeimmedi ately out ofclo thing that
has com eint ocon tact with fuel . Fle
xible -fuel vehicles canberefuel edwithth e
fo llo wing fueltypes:
R Unleaded premium grade gasoline
R E85 fuel
R Amixtur eof E85 fuelandunleade dpr emium
gr ade gasoline
Fle xible-fuel vehicles canbeidentif iedbythe
Et ha nol uptoE85 sticke ron theinside ofthe
fuel filler flap.
De pen dingon thecount ry,th efuels youcan use
in your vehicle maydif ferfr om theinf ormation in
th eOper ator's Manual. Thefuels that have been
appr oved foryo ur vehicle canbefound onthe
ins truct ion label ontheinside ofthefuel filler
fl ap. Fu
el No
teson fuel grades forve hicl eswith aga s‐
oline engine
Obser vetheno teson oper ating fluids
(/ page36 9).
* NO
TEDama gecau sed bythewr ong fuel Ev
en small amounts ofthewr ong fuelcould
re sult indamag eto thefuel system, the
engine andtheemission control system. #
Onlyre fuel withlow- sulfur gasoline.
This fuelmaycont ainupto10%ethanol by
vo lume. Your vehicle issuit able foruse with
E1 0fuel .
Ne verre fuel withone ofthefo llo wing fuels:
R Dies el
R Gasoline withmor eth an 10%ethanol by
vo lume, e.g.E15, E8 5,E100
R Gasoline withmor eth an 3% methano lby
vo lume, e.g.M15,M30 ,M85 ,M1 00
R Gasoline withadditiv escon tainin gme tal If
yo uha ve acc iden tally re fuel edwithth e
wr ong fuel: #
donotswit chtheignition on. #
Consult aqu alif ied spec ialistwo rkshop. If
th eav ailable fuelisno tsuf ficie ntly low in sul‐
fur ,th is can produce unpleasant odors.
Onl yre fuel withfuel that has atleas tth eoct ane
number specifiedintheinf ormation labelinthe
fuel filler flap (/ page14 8).
If yo uwa ntmaxim umengine output:onl y
re fuel withunle adedpr emiu mgrade gasoline
wit han oct ane number ofat leas t91 AKI/
95 RON.
As ate mp orarymeasur e,ifth ere comme nded
fue lis no tav ailable, youma yalso refuel with
unle adedre gular gasoline withat leas t87 AKI/
91 RON.Thisma yre duce engineoutput and
incr ease fuelconsum ption.
Ne verre fuel using gasoline withan eve nlowe r
RO N. Te
ch nica lda ta 37
1

*
NO
TEPrema ture wearthro ugh unleaded
re gular gasoline Un
leade dre gular gasoline cancause the
engine towe armor equ ickl yand impair lon‐
ge vity and perform anc e.
If unle aded premium grade gasoline is
una vailable andyouha ve torefuel using
unle adedre gular gasoline: #
Onlyfill th efuel tank tohalf fullwith
unleaded regular gasoline andrefill as
soon aspossible withunleaded pre‐
mium grade gasoline. #
Donotdr ive at themaximum design
speed. #
Avoid sudden accelerationengine
speeds over3000 rpm. Fu
rther information onfuel isavailable atthefo l‐
lo wing locations:
R ataga sst atio n
R ataqu alif ied spec ialistwo rkshop
R onthehtt ps:/ /www .mbusa.c om(USAonl y) No
teson add itivesingasoline
Obser vetheno teson oper ating fluids
(/ page36 9).
* NO
TEDama gefrom use ofunsu itabl e
add itives Ev
en smal lamou ntsofthewr ong additiv e
ma ylead tomalfu nctions occurring. #
Only addcle ani ng additiv es recomme n‐
ded byMer cedes-Ben zto thefuel. Mer
cedes- Benzrecomme ndsthat youuse
br and -name fuels withaddit ives.
In som eco unt ries, thefuel available mayno t
ha ve suf ficie ntadditiv es. Residue could buildup
in thefuel injec tionsystem asare sult. Inthis
case, incon sult ation withan aut hor ized
Mer cedes -Benz Cent er,mix thefuel withth e
cle ani ng additiv ere comme ndedbyMer cedes-
Benz .Obser vetheno tesand mixing ratio sind i‐
cat edon theta nk . Ta
nk cont entand reser vefuel
Capacity Model
Total cap acity
Al lmo dels 17.4 gal(66. 0liter s) Model
ofwhic hre ser ve
fuel
All model s1 .8gal(7 .0 liter s) Engine
oil No
teson engine oil
Obser vetheno teson oper ating fluids
(/ page36 9). 37
2
Tech nica lda ta

*
NO
TEEngi nedama gecau sed byan
inc orrect oil filt er ,inc orrect oil oraddi‐
tiv es #
Donotus eengi neoilsor oil filt er sot her
th an those whic hmee tth especif ica‐
tion sneces saryfo rth epr escr ibed
ser vice interva ls. #
Donotalt er theengine oiloroil filt er in
or der toachie velong erchang eint erva ls
th an presc ribed. #
Donotuse additiv es. #
Have theengine oilchang edafte rth e
pr escr ibed interva ls. Mer
cedes -Benz recomme ndsthat youha ve the
oil chang ecar ried out ataqu alif ied spec ialist
wo rkshop.
Quality andcapacity ofengine oil
MB-F reigabe orMB- Appr oval Gasol
ineeng inesE ngineoilspecif ica‐
tions
All models 229.51,229 .52,
229 .61
229 .71* *
Re comme ndedforlo we stpossible fuelcon‐
sum ption (lowe stSA Evis cos ityclassineach
case ;obs erve possible restrictions ofthe
appr ovedSA Evis cos ityclasse s).
To achie vethelowe stpossible fuelconsum ption,
it is recomme ndedtouse theengine oilspecif i‐
cation smar kedin theta ble forth elowe stSA E
viscosi tyclass .Po ssible restrictions ofthe
appr ovedSA Evis cos ityclasse smu stbe
obser ved.
The follo wing values referto an oilchang e,
inc ludin gth eoil filt er . Re
plac eme ntamoun t Mode
lR eplacement
am ount
C 30 07 .0US qt(6.6 lite rs)
C 30 04MA TIC 6.3US qt(6.0liter s) No
teson brak efluid Obser
vetheno teson oper ating fluids
(/ page36 9). &
WARNIN GRisk ofan acci dent dueto
va por pockets form ing inthebr ak esy s‐
te m
The brak efluid constantly absor bsmoi stur e
fr om theair .This lowe rstheboiling pointof
th ebr ak efluid. Ifth eboiling pointistoolow,
va por pockets ma yfo rm inthebr ak esy stem
when thebr ak es areapplied hard.
This causes thebr aking effect to be
im pair ed. Te
ch nica lda ta 37
3

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
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. Tr
ansmis sion Di
spla ymessag es
Possible causes/conseq uencesand0050 0050
Solutions
Only Shift to'P' when Vehi-
cle isStationary *
Itis possible toselect thepar kposition 005Donlyif th eve hicle isstatio nary. #
Tostop, depr essthebr ak epedal. #
Shif tth etra nsmiss iontopar kposition 005Dwhen theve hicle isstatio nary.
App lyBra ketoShi ftfrom
'P' *
Yo uha ve attem pte dto shif tth etra nsmiss ionout ofpar kposition 005Dand intoano ther tra nsmiss ionposition . #
Depr essthebr ak epedal. #
Select transmiss ionposition 005B,005Eorneutr al005C. Displa
ymessag esand warning/ indic ator lam ps 393

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

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