2020 MERCEDES-BENZ C-CLASS SEDAN engine

Te
ch nical data.......................................... 426
No teson tech nica lda ta <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 426
Ve hicle electr onics ...... ..................... ..........4 26
Ve hicle identif ication plate,VIN and
engine number overview .................. .......... 428
Opera tingfluids ............ .................. ............ 430
Ve hicle data... ............................................. 436 Displa
ymessag esand warning/indi‐
cat orlam ps.............. ................................ 439
Displa ymessag es.......................................4 39
Wa rning and indic ator lam ps...................... 487 Inde
x................ ......................................... 503 4
Contents

Pr
otecting theen vir onmen t
Plug- inhybrid: obser vetheno tesin theSupple‐
ment .Ot her wise, youma yfa ilto recogni zedan‐
ge rs.
+ ENV
IRONM ENTALNOTEEnvironme ntal
da ma gedue tooper ating condit ionsand
per sonal driving style The
pollut antemission oftheve hicle is
dir ectl yre lat ed tothewa yyo uoperat eth e
ve hicle.
Oper ateyo ur vehicle inan environment ally
re sponsible mannertohelp protect theen vi‐
ro nment. Plea se obser vethefo llo wing rec‐
omme ndations onope rating cond itions and
pe rsonal driving style.
Oper ating conditions: #
Mak esur eth at thetir epr essur eis cor‐
re ct. #
Donotcar ryanyunn ecessar ywe ight
(e.g. roof lugg agera ck sonce youno
lon gerneed them). #
Adher eto theser vice interva ls.
A regular lyser viced vehicle willcont rib‐
ut eto environmen talpr otect ion. #
Alw aysha ve maint enance workcar ried
out ataqu alif ied spec ialistwo rkshop.
Pe rsonal driving style: #
Donotdepr esstheaccelera torpeda l
when star tin gth eengine. #
Donotwa rm uptheengine whilethe
ve hicle isstatio nary. #
Drive car efu llyand maintain asu itab le
di st anc efrom theve hicle infront. #
Avoid freq uent, sudden acceleration
and braking. #
Chang ege ar ingood timeand useeach
ge ar onlyup to00C3 ofits maximum
engine speed. #
Switc hof fth eengine instatio narytraf‐
fi c, e.g. byusin gth eEC Ostar t/ stop
funct ion. #
Drive fuel-ef ficie ntly .Obs erve theEC O
displa yfo ra fuel -efficie ntdrivi ng style. En
vir onmental issuesandrecomm endations:
It is recomme ndedthat youre -us eor recy cle
mat erials ins tead ofjus tdispo singof them.
The releva nt environme ntal gu ideline sand regu‐
lations servetoprotect theen vironmen tand
mus tbe strictly observe d. Genuine
Mercedes-Benz parts
+ ENVIR
ONMEN TALNO TEEnvironme ntal
da ma gecau sed bynotus ing recy cle d
re condi tionedcom pone nts Dai
mle rAG offers recy cle dre condi tioned
com pone ntsand parts wit hth esame qualit y
as newpar ts.The same entitlemen tfr om the
Limit edWarrant yis valid asforne wpar ts. #
Use recy cle dre condi tionedcom po‐
nents andparts from Daimler AG. Gene
ralno tes 21

The
Oper ator's Manual andMaint enanc eBookle t
ar eim por tant docum ents andshould be kept in
th eve hicle. Ser
vice andvehicl eoper ation Ve
hicl eoper ation outside theUS Aor Cana da When
youar eabr oad withyo ur vehicle, observe
th efo llo wing points:
R service point sor replacemen tpar tsma yno t
be available immediat ely.
R unle aded fuelmayno tbe available forve hi‐
cles withacat alytic converter .Leaded fuel
ma ycause damag eto thecat alytic converter .
R thefuel mayha ve an extreme lylow oct ane
num ber.Un suit able fuelcancause engine
damag e.
Some Mercedes-Benz modelsareav ailable in
Eur ope thro ugh ourEuropean DeliveryPr og ram.
Fo rmor einf ormation, pleaseconsult anauthor‐
ized Mercedes‑B enzservice center,or write to
one ofthefo llo wing address:
in theUS A: Mer
cede s-Benz USA,LLC
Eur opea nDeliv eryDepar tment
One Mercedes-Benz Drive
Sandy Springs, GA30328
in Canada:
Mer cedes-Benz Canada,Inc.
Eur opea nDeliv eryDepar tment
98 Vande rhoof Avenue
To ronto, Ont ario M4G 4C9 Mai
nten anc e Yo
ur cus tomer advisorconf irms theser vice in
th eser vice repor t. Ro
adside Assistan ce The
Mercedes -Benz Roadside Assis tance Pro‐
gr am offers tech nica lhel pin thecase ofa
br eakdo wn.Your calls totheto ll-f reeRo adside
As sis tance Hotline areans weredby our agents
24 hour sa da y,365 days aye ar.
1- 80 0-FO R-MER Cedes (1-800-367-63 72)(US A) 1-8
00-387-0 100(Canada)
Yo ucan find further information inthe
Mer cedes-Ben zRo adside Assis tance Progr am
br oc hu re (US A)orthe"R oadside Assistance"
secti oninthemaint enanc eand warrant yinf or‐
mat ionbook let(Canad a).Youwill find both in
th eve hicle document wallet. Chang
eof address orchang eof ow ner ship In
theev ent ofach ang eof addr ess, please send
us the"No tification ofaddr esschang e"inthe
Ser vice andGuarant eeboo kletor simply callth e
Mer cedes-Ben zCus tomer Assis tance Center
(US A)on theho tline number
1-8 00-FOR-MER Cedes (1-800-367-63 72)or Cus‐
to mer Service (Canada )on 1-800-38 7-0100. We
can then reac hyo uin atim elyfa shion, ifneces‐
sar y.
If yo usell your Mer cedes,pleas elea veall liter a‐
tur ein theve hicle sothat itis available tothe
ne xt ow ner .If yo uha ve pur chased aused vehi‐
cle, please sendusthe"No tice ofPur chase of
Used Car"intheSer vice andGuar anteebookle t
or sim plycall theMer cedes- BenzCustomer Gener
alno tes 23

#
Tounlo ck:tur nth eemer gency keyco unt er-
clo ckwise toposition 0047. #
Toloc k:tur nth eemer gency keyclo ckwise to
position 0047. #
Carefully press theco veront oth eloc kcyli n‐
der until iteng ages and isseat edfirm ly. Tr
unk Openi
ngthetrunk lid &
DANG ER Risk ofexhaus tga spoisoning
Combus tionengines emitpoisonous exhaus t
ga ses suchas carbon monoxide.Exhaus t
ga ses can entertheve hicle interior ifth e
tr unk lid is op en when theengine isrunning ,
esp ecially ifth eve hicle isin mo tion. #
Alw aysswitc hof fth eengine before
opening thetrunk lid. #
Neverdr ive wit hth etrunk lidopen. *
NO
TEDama getothetrunk lidbyobs ta‐
cle sab ove theve hicle The
trunk lidswings upwards when itis
opened. #
Ther efor e, mak esur eth at ther eis suf fi‐
cie ntcle arance above thetrunk lid. Yo
uha ve thefo llo wing options forope ning
the trunk lid: #
Pullth etrunk lidhandle. #
Vehicl eswith HANDS -FREEACCESS: Make
a kic kin gmo vement withyo ur foot belo wthe
bum per(/ page77 ).
Ve hicl eswith trunk lidconve nience closing #
Pull trunk lidremo teoper ating switch1. 74
Opening andclosing

The
immobilizer isaut omaticall yactiv ated when
th eignition isswitc hedoffand deactiv ated when
th eignition isswitc hedon.
When leaving theve hicle, alwaysta ke theSmar t‐
Ke ywit hyo uand lockth eve hicle. Anyone can
st ar tth eengine ifava lid Smar tKey has been left
inside theve hicle.
% Intheeve nttheengine cannotbe star ted
(y et theve hicle ’sbatt eryis ch arge d), the
sy stem isno toper ational. Contactan
aut hor ized Mercedes- BenzCenteror call
1-8 00-FOR-MER Cedes (intheUS A)or
1-8 00-387-0 100(in Canada). ATA
(anti-thef tala rm system) Fu
nction oftheATA system
If th eATA system isarmed, avisual andaudible
alar mistrigg ered inthefo llo wing situat ions:
R When adoor isopen ed
R When thetrunk lidisopened
R When thehood isopened
R When theint erior motion sensor istrigg ered
(/ page91 ) R
When theto w- aw ay alar mistrigg ered
(/ page91 )
The ATAsy stem isarmed automaticall yaf te r
appr oximat elyte nseco ndsinthefo llo wing situa‐
tion s:
R Afterloc king theve hicle withth eSmar tKey
R Afterloc king theve hicle using KEYLES S-GO Indicat
orlam p1 flashes whentheAT Asy stem
is armed.
The ATAsy stem isdeactiv ated aut omatic allyin
th efo llo wing situat ions:
R Afterunloc kingtheve hicle withth eSmar t‐
Ke y
R Afterunloc kingtheve hicle using KEYLES S-
GO
R Afterpr essing thest ar t/ stop butt onwithth e
Smar tKey inthestow agecom partment
(/ page14 3)
% WhentheMer cedes‑ Benzemergency call
sy stem isactiv eand thealar mstay son for
mor eth an 30 sec onds, ames sageis aut o‐
mat icall ysen tto theCus tomer Assis tance
Ce nter (/ page 326) .
% Inthecase ofsevere batt erydisc harging,
th eanti- theftalar msystem isaut omatic ally
deactiv ated tofacil itat eth ene xt engine
st ar t.
Deact ivat ing theATA #
Press theÜ, ßor008B buttononthe
Smar tKey . 90
Openin gand closing

No
teson thecor rect driver' sseat position &
WARNIN GRisk ofinju ryfrom adju sting
th eve hicle settin gswhile theve hicle isin
mo tion
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ions:
R ifyo uadj ustth edr iver's seat, thehead
re stra int ,th esteer ing wheel orthemir ror
while theve hicle isin mo tion
R ifyo ufa sten your seat beltwhile theve hi‐
cle isin mo tion #
Beforest ar tin gth eengine: adjustth e
dr iver's seat, thehead restra int ,th e
st eer ing wheel orthemir rorand fasten
yo ur seat belt. En
sur eth efo llo wing when adjustingst eer ing
wheel 1,seat belt2and driver's seat 3:
R youar esit tin gas faraw ay from thedr iver's
airbag aspossible
R youar esit tin gin an upr ight position
R your thighs areslight lysuppor tedby theseat
cushion R
your legs areno tfull yex tende dand youcan
depr essthepedals proper ly
R thebac kof your head issuppo rted ateye
le ve lby thecent erofthehead restra int
R youcan hold thesteer ing wheel withyo ur
ar ms sligh tly ben t
R youcan moveyour legs freel y
R youcan seeallthedispla yson theins tru‐
ment clusterclea rly
R youha ve agood overview of thetraf fic con‐
di tions
R your seat beltsitssn ug lyag ains tyo ur body
and pass esacr oss thecent erofyour sho ul‐
der and across your hips inthepelvic area Seats
andstow ing 93

Seats
Ad
jus tingthe fron tse at mec hanicall yand
el ec tric all y(w ithou tSe at Co mf ortPa ckag e) &
WARNIN GRisk ofbeco ming trap ped if
th eseats areadjus tedby childr en
Childr encould becom etrapped ifth ey adjus t
th eseats, particular lywhen unattended. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. The
seats canbeadjus tedwhen theignition is
switc hedoff. &
WARNIN GRisk ofbeco ming trap ped
whe nad jus ting theseats
When youadj usta seat ,yo uor other vehicle
occupants couldbecome trapped, e.g.onthe
seat guide rail. #
When adjustingaseat, makesur eth at
no onehas anybody partsinthesw eep
of theseat. Obser
vethesaf etyno teson "Airbags" and"Chil‐
dr en intheve hicle". &
WARNIN GRisk ofacci dent dueto the
dr iver's seat notbeing engaged
If th edr iver's seat isno teng aged, itcould
mo veune xpectedl ywhile theve hicle isin
mo tion.
This could cause youto lose control of the
ve hicle. #
Alw aysmak esur eth at thedr iver's seat
is eng aged bef orest ar tin gth eve hicle. &
WARNIN GRisk ofinju ryfrom adju sting
th eve hicle settin gswhile theve hicle isin
mo tion
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ions:
R ifyo uadj ustth edr iver's seat, thehead
re stra int ,th esteer ing wheel orthemir ror
while theve hicle isin mo tion
R ifyo ufa sten your seat beltwhile theve hi‐
cle isin mo tion #
Beforest ar tin gth eengine: adjustth e
dr iver's seat, thehead restra int ,th e
st eer ing wheel orthemir rorand fasten
yo ur seat belt. &
WARNIN GRisk ofbeco ming trap ped if
th eseat height isadjus tedcar elessl y
If yo uadj ustth eseat height carelessly ,yo u
or other vehicle occupants couldbetrapped
and ther eb yinjur ed. 94
Seatsand stow ing

Ad
jus tingthe fron tse at elec tric all y 1
Headre stra int height
2 Seat backres tinc linat ion
3 Seat height
4 Seat cushio nlengt h
5 Seat cushio ninc linat ion
6 Seat fore -and -aftpos ition #
Save these ttings withth ememor yfunc tion
(/ page10 4). Ad
jus tingthe 4-waylum bar support 1
Raise
2 Soften
3 Lowe r
4 Harden #
Usingbuttons 1to4 ,adjus tth econ tour
of thebac kres tindividuall yto suit your bac k. Head
restra ints Ad
jus tingthe fron tse at head restra ints
mec hanica lly &
WARNIN GRisk ofinju ryfrom adju sting
th eve hicle settin gswhile theve hicle isin
mo tion
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ions:
R ifyo uadj ustth edr iver's seat, thehead
re stra int ,th esteer ing wheel orthemir ror
while theve hicle isin mo tion
R ifyo ufa sten your seat beltwhile theve hi‐
cle isin mo tion #
Beforest ar tin gth eengine: adjustth e
dr iver's seat, thehead restra int ,th e
st eer ing wheel orthemir rorand fasten
yo ur seat belt. Sea
tsand stow ing 97