2020 MERCEDES-BENZ C-CLASS SEDAN roof

Symbols
........................................................ 5 At
agl ance ....................................................6
Coc kpit ....... ..................... ..................... ..........6
Wa rning and indic ator lam ps(sta nda rd).......1 0
Indicat orand warning lam ps(Wide‐
scr een Cockpit)................................ ............ 12
Ov erhead controlpanel ................................ 14
Doo rcontr olpa nel and seatad jus tment .......16
Emerg enciesand brea kdo wns ............ .......... 18 Digita
lOp erator' sMa nua l......................... 20
Callin gup theDigit alOper ator's Manual ...... 20 Gener
alno tes... .......................................... 21
Pr otect ing theen vironmen t... ......... .............. 21
Genui neMer cedes-Ben zpar ts........ .............. 21
Oper ator's Manual ........................................2 2
Ser vice andvehicle operation ......................2 3
Oper ating safety.......... .................................2 4
Decl arati on ofconf ormity forwireless
ve hicle component s... ..................................2 5
Dia gno stics con nection .................. .............. 26 Qualif
iedspec ialistwo rkshop ....................... 26
Cor rect useof theve hicle ............................. 27
Pr oblems withyo ur vehicle ............... ............ 27
Re por tingsaf etydef ects ...............................2 7
Limit edWarrant y.......................................... 28
QR cod efo rre scue card... ............... .............2 8
Dat ast or ag e... ..............................................2 8
Cop yright ...................................................... 31 Occupant
safety.... .....................................33
Re stra int system .............................. .............3 3
Sea tbel ts<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 35
Airb ags<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 40
PR E-S AFE ®
sy stem ....................................... 47
Saf ely transp orting childr enintheve hi‐
cle ...... ..........................................................4 9
No teson pets intheve hicle ............ .............6 4 Opening
andclosing .................................. 65
Smar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 65
Door s<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 70
Tr unk ................................................ .............7 4
Sid ewi ndo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 79
Sli ding sunroof <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 83Ro
ller sun blinds ...........................................8 8
Anti-t heftpr otect ion .....................................8 9 Seats
andstowing ..................................... 93
No teson thecor rect driver's seatpos i‐
tion <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011>.......93
Sea ts<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011>....94
St eer ing wheel ............................................ 101
Eas yentr yand exitfeatur e.........................1 03
Oper ating thememor yfunc tion .................. 104
St ow agear eas ............................................ 105
Cup holder.................................................. 114
Ashtr ayand cigarette light er.......................1 15
Soc kets ........... ............................................ 117
Wi reless chargin gof themobile phone
and connect ionwithth eex terior ant enna ...118
Ins talling/ remo ving thefloor mats .............1 20 Lig
htand visibility ....... .............................12 1
Ext eriorlighti ng............. ..............................121
Int erior ligh ting ........................................... 126
Wi ndsh ield wipe rand windsh ield wa sher
sy stem ........................................................ 127
Mir rors <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 129 2
Contents

1
Sun visors →
132
2 003D Switches thelef t-hand readin glam p
on /of f →
126
3 0033 Switches automatic interior ligh ting con‐
tr ol on/of f →
126
4 SOS button →
321
5 004A Switches thefront interior lighting
on/ off →
126
6 0042 Switches there ar interior light ing
on /of f →
126 7
003D Switches theright-h andreadin glam p
on /of f →
126
8 mebutt on →
321
9 Eyeg las ses com partment →
107
A 0057 Opens/closes thepanor amaroof wit h
po we rtilt/sli dingpanel →
83
Opens/clos esthero ller sunblin ds →
83
B Inside rear vie wmir ror →
130 At
aglanc e– Ov erhead control pane l15

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

*
NO
TEImpairment oftheoper ating effi‐
cie ncy ofthere stra int systems from
ins talling accessor ypar tsor from repair s
or we lding Air
bags andEmerge ncy Tensi oni ng Device s,
as wellas con trol unit sand sensorsfo rth e
re stra int systems, maybe installed inthefo l‐
lo wing areas ofyour vehicle:
R Door s
R Door pillars
R Doo rsi lls
R Sea ts
R Cockpit
R Instrument cluster
R Cen terconsole
R Lateral roof frame #
Donotins tallacc essor ypar tssuc has
audio systems inthese areas. #
Donotcar ryout repair sor we lding. #
Have afte rm arke tins tallation ofacc es‐
sor ies carried out ataqu alif ied spec ial‐
is two rkshop. Yo
uco uld jeopar dizeth eoper ating safetyof your
ve hicle ifyo uuse parts,tir es and wheel sas well
as acc essor iesreleva nt tosaf etywhic hha ve not
be en approve dby Mer cedes-Ben z.Saf ety-re le‐
va nt systems, e.g.thebr ak esy stem, maymal‐
func tion.Onl yuse Mercedes- BenzGenuine Parts
or par tsof equal qualit y.Onl yuse tires, wheels
and accessor iesthat have been specif ically
appr ovedfo ryo ur vehicle model.
Mer cedes-Ben zGenuine Parts ar esubject to
st rict qualit ycon trol. Eac hpar thas been spe‐
ciall yde veloped, manufactured orselec tedfo r
Mer cedes-Ben zve hicles andfine-tu nedforth em.
Ther efor e, onl yMer cedes- BenzGenuine Parts
should beused.
Mor eth an 300,0 00 differe nt Mer cedes-Be nz
Ge nui ne Parts ar eav ailable forMer cedes-Benz
model s.
All author ized Mercedes-B enzCent ersmaint ain
a supply ofMer cedes-B enzGenuine Parts fo r nece
ssaryser vice andrepair work.In addition,
st ra tegically locatedpar tsdeliv erycent erspr o‐
vide forqu ick and reliable partsser vice .
Alw aysspecify theve hicle identif ication number
(VIN) (/page428) when order ing Mer cedes-
Benz Genuine Parts. Oper
ator's Manual
This Oper ator's Manual describesallmodels and
all standar dand optio nal equipme ntavailable for
yo ur vehicle atthetime ofthis Opera tor's Man‐
ua lgoing topress. Countr y-specif icdif fere nces
ar epo ssi ble. No tethat your vehicle mayno tbe
eq uipped withall featur esdesc ribed. Thisisalso
th ecase forsy stems andfunc tionsre leva nt to
saf ety. Ther efor e, theeq uipment onyour vehicle
ma ydif ferfr om that inthedescr iption sand illus‐
tra tion s.
The original purchase agreement foryo ur vehicle
cont ains alis tof all ofthesy stems inyour vehi‐
cle.
Should youha ve anyqu estion scon cerning
eq uipment andoper ation, please consult an
aut hor ized Mercedes- BenzCenter. 22
Gener alno tes

R
Vehicl eswith sliding sunroof:Clo sing the
sliding sunroof.
R Vehicl eswith memor yfuncti on:Moving
th efront passeng erseat toamor efa vo rable
seat position .
R Vehicl eswith multico ntour seat :Incr eas‐
ing theair pressur ein theseat sidebolsters
of theseat backres t.
R PRE-S AFE®
Sound: prov ided that themulti‐
media system isswitc hedon,gener ates a
br iefnoi sesigna lto stimulat eth einnat epr o‐
te ctiv emec hanism ofaper son's hearing.
* NO
TEDama gecau sed byobject sin the
fo ot we llor behin dth eseat The
automatic adjustmentof theseat posi‐
tion mayre sult indamag eto theseat and/or
th eobjec t. #
Stow object sin asuit able place. Re
versing thePRE- SAFE®
sy stem mea sures If
an acc iden tdid notocc ur,th epr e-em ptive
measur esthat we retake nar ere ve rsed.
Yo uwill need toper form certainse ttings your‐
self . #
Ifth eseat beltpre-t ension ingisno tre duced,
mo vetheseat backres tbac kslightl y.
The locking mechanism releases. Fu
nction ofPRE-S AFE®
PL US (anticipat ory
occupant protection plus) PRE-
SAFE®
PL US can detect cer tain im pact s,
par ticular lyan imm inentrear impact ,and take
pr e-em ptive measur estoprotect theve hicle
occupants. Thesemeasur escanno tnecessar ily
pr eve ntan imm inentimpact.
PR E-S AFE ®
PL US can implem entthefo llo wing
measur esindepe ndently of eac hot her :
R Tight ening theseat belts onthedr iver's seat
and front passeng erseat.
R Increasin gbr ak epr essur ewhen theve hicle
is statio nary.This brak eapplication iscan‐ celed
automaticall ywhen theve hicle pulls
aw ay.
If an accident didnotoccur ,th epr e-em ptive
measur esthat we retake nar ere ve rsed.
Sy stem limit s
The system will notinitiat ean yaction inthefo l‐
lo wing situat ions:
R when backingup
The system will notinitiat ean ybr aking applica‐
tion inthefo llo wing situat ions:
R whils tdr ivin g
or
R when entering orexitin gapar kingspace
while using ActivePa rking Assist 48
Occupant safety

#
Tointerru pt aut omatic operation :pr ess or
pul lth e0062 buttonagain.
When theve hicle isswitc hedoff,th eside win‐
do ws can continu ebei ng ope rated.
The func tion isavailable forar ound five minut es
or until afront door isopened .
Au tomatic reve rsing funct ionoftheside win‐
do ws
If an object blocksaside windowduring the
clos ingproces s,theside windo wopens again
aut omaticall y.The automatic reve rsing func tion
is onl yan aid and isno ta subs titutefo ryo ur
att entiven ess . #
Dur ing theclosing process, makesur eth at
no body partsarein theclosing area. &
WARNIN GRisk ofbeco ming trap ped
des pite ther ebeing reve rsing protect ion
on theside windo w
The reve rsing func tion does notre act :
R Tosof t,light andthin obje cts, e.g. fing ers
R Dur ing rese ttin g This
means that there ve rsefunc tion cann ot
pr ev ent someon efrom becomin gtrapped in
th ese situation s. #
When closing, makesur eth at no body
par tsarein theclosing area. #
Ifsomeon ebecomes trapped, press the
0062 buttontoopen theside windo w
ag ain. Con
venience opening (ventilating theve hicl e
bef orest ar ting ajour ney) &
WARNIN GRisk ofentr apment when
ope ning asid ewi ndo w
Whe nope ning asid ewi ndo w,par tsof the
body could bedraw nin or become trap pe d
be twee nth eside windo wand windo wframe. #
When opening ,mak esur eth at nobody
is touc hin gth eside windo w. #
Release thebutt onimmediat elyif
somebody becomestrapped. #
Press and hold theÜ buttononthe
Smar tKey .
The follo wing functionsar eper form ed:
R The vehicle isunloc ked
R The side windo wsareopen ed.
R The slidin gsun roof isopened.
R The panor amicsliding sunroofisopened.
R The seat ventil ation ofthedr iver's seat is
switc hedon.
% Ifth ero ller sunblin dsofthepanor amicslid‐
ing sunr oofareclosed, thero ller sunblin ds
ar eopen edfirs t. #
Tointerru pt con venience opening: release
th eÜ button. #
Tocont inue convenience opening: press
and hold theÜ buttonagain. Openin
gand closing 81

Con
venience closing (closing theve hicl e
fr om outside ) &
WARNIN GRisk ofentr apment caused by
inadv ertent con venie nce closing
Whe nth econ venie nce closing featur eis
oper ating,par tsof thebody could become
tr apped intheclosing area oftheside win‐
do wand thesliding sunroof. #
Obser vethecom pleteclos ingproce‐
du re when usingconvenie nce closing. #
Whe nclo sing, makesur eth at no body
par tsarein theclosing area. #
Press and hold theß buttononthe
Smar tKey .
The follo wing functionsar eper form ed:
R The vehicle isloc ked. R
The side windo wsareclo sed.
R The slidin gsun roof isclosed.
R The panor amicsliding sunroofisclosed. #
Tointerru pt con venience closing: release
th eß button. #
Toclose thero ller sunblind s:press and
hold theß buttonagain.
% Con venie nce closing can also be operated
wi th KEYLESS- GO(/ page70). Pr
oble mswith theside windo ws &
WARNIN GRisk ofbeco ming trap ped or
fa ta lly injured ifre ve rsing protect ion is
no tactiv ated
If yo uclo seaside windowagain imm ediat ely
af te rit has been blocked, theside windo w
will close withincr eased ormaximum forc e.
The reve rsing featur ewill then notbe activ e.
Pa rts of thebody could become trapped in
th eclosing area inthepr ocess. #
Mak esur eth at no par tsof thebody are
in theclosing area. #
Tostop theclosing process, release the
butt onorpress thebutt onagain tore-
open theside windo w. Pr
oblem
Possible causes/conseq uencesand0050 0050
Solutions
A side windo wcann otbe closed and
yo ucan notsee thecause. #
Chec kto see whether anyobjec tsarein thewindo wguide. #
Adjus tth eside windo ws. 82
Openin gand closing

Pr
oblem
Possible causes/conseq uencesand0050 0050
Solutions
Ad jus tingthe side windo ws
If aside windo wisobs truct eddur ing closing andreopens again immediat ely: #
Immediat elyaf te rth is, pull thecor responding buttonagain until theside windo whas closed, andhold
th ebutt onforat lea stone moresecond (re-adjus tment).
The side windo wisclosed without theaut omatic reve rsing func tion.
If th eside windo wisobs truct edagain and reopens again immediat ely: #
Immediat elyaf te rth is, pull thecor responding buttonagain until theside windo whas closed, andhold
th ebutt onforat lea stone moresecond (follo w-up adjustm ent).
The side windowisclos edwithout theaut omatic reve rsing func tion.
The side windo wscanno tbe ope ned or
clos edusing thecon venie nce openi ng
fe atur e. The
SmartK ey batt eryis disc hargedor near lydisc harged. #
Chec kth ebatt eryusing thebatt erych ecklam pand replace ifnec essar y(/ page67 ). Sliding
sunroof Opening
andclosing theslidi ngsunr oof %
The term "slidin gsun roof" also refers to the
panor amaroof wit hpo we rtilt/sli dingpanel . &
WARNIN GRisk ofbeco ming trap ped
whi leope ning andclosingthesliding
sunr oof
Dur ing opening andclosing, partsof the
body could getcaught inthesw eep ofthe
sliding sunroof. #
When opening orclosing, makesur e
th at no body partsarein thesw eep. #
Release thebutt onimmediat elyif
somebody becomestrapped.
or Openin
gand closing 83