2021 MERCEDES-BENZ C-CLASS CABRIOLET wheel

Symbols
........................................................ 5 At
agl ance ....................................................6
Coc kpit ....... ..................... ..................... ..........6
Indica torand warning lam ps(stan dar d)........ 10
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 ....................... 27
Cor rect useof theve hicle ............................. 27
No tesfo rper sons withelectr onicmedi‐
cal aids..... ........................................ ............ 27
Pr oblems withyo ur vehicle ............... ............ 28
Re por tingsaf etydef ects ...............................2 8
Limit edWarrant y.......................................... 29
QR cod efo rre scue card... ............... .............2 9
Dat ast or ag e... ..............................................2 9
Cop yright ...................................................... 34 Occup
antsafety.... .....................................35
Re stra int system .............................. .............3 5
Sea tbel ts<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 37
Airb ags<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011><0011001100110011001100110011001100110011001100110011001100110011
0011> 42
Ro llbar .........................................................4 9
PRE-S AFE®
sy stem ....................................... 50
Saf elytranspor tingchildr enintheve hi‐
cle ...... ........................................................... 51
No teson pets intheve hicle ............ .............6 2 Opening
andclosing .................................. 63
Smar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 63
Door s<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 67Tr
unk ............................................................ 70
So fttop........................................................ 72
Sid ewi ndo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 78
Anti-t heftpr otect ion .....................................8 2 Seats
andstowing ..................................... 84
No teson thecor rect driver's seatpos i‐
tion <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011>.......84
Sea ts<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 85
St eer ing wheel ..............................................9 4
Eas yentr yand exitfeatur e...........................9 6
Memor yfunct ion.......................................... 97
St ow agear eas .............................................. 98
Soc kets ........... ............................................ 104
Wi reless chargin gof themobile phone
and connect ionwithth eex terior ant enna ..104
Ins talling/ remo ving thefloor mats .............1 06 Lig
htand visibility ....... ............................ 108
Ext eriorlighti ng............. .............................108
Int erior ligh ting ............................................ 113
Wi ndsh ield wipe rand windsh ield wa sher
sy stem ........................................................ 114
Mir rors <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 116 2
Contents

Clim
atecontr ol......................................... 12 0
Ov ervie wof climat econt rolsy stems ..........1 20
Oper ating theclimat econ trol system ......... 120 Dr
ivin gand parking ................................. 124
Dr iving ............ ............ ........................ ........124
DY NA MIC SELE CTswitc h... ............... ..........1 34
Au tomatic transmiss ion.................... .......... 136
Fu nctio nof the4MA TIC.............................. 140
Re fuel ing...... ............................................... 141
Pa rking .......................................................1 43
Dr iving anddriving safetysy stems .............1 50
Ve hicle towing instruct ions .........................1 99 Ins
trument Displa yand on-b oard
co mp uter ...... ............................................200
No teson theins trument displayand on-
boar dcom puter.............................. ............ 200
Ins trument displayove rview ............ ...........2 01
Ov ervie wof butt ons onthesteer ing
wheel .................. ........................................2 02
Oper ating theon- boar dcom puter.............. 202
Ov ervie wof displa yson themultifunc ‐
tion displa y... ..............................................2 03 Head
-upDispl ay<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 203 Vo
ice Contr olSy stem .............................. 206
No teson oper ating safety.......................... 206
Ope ratio n........... ................................. .......206
Usi ngtheVo ice Cont rolSy stem effec‐
tiv ely <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011>...208
Essenti alvoice com mand s.........................2 08 Multimedi
asy stem .................................. 220
Ov ervie wand oper ation .................. ............ 220
Sy stem settings .............................. ............ 229
Fit &Healt hy<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 240
Na vig ation .......................................... ........242
Te lephon e........................................ ...........2 67
Online andInterne tfunctions ..................... 291
Media ......................................................... 294
Ra dio .......................................................... 306
Sound .........................................................3 13 Maint
enanc eand care...... ....................... 316
ASS YSTPL US service interva ldispla y.........3 16
Engi necompar tment............. ............. .........317 Clean
ingand care.......................................3 23 Br
eakdo wnassi stance ............................ 333
Emer gency <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011>.333
Flat tire....... ................................................ 334
Batt ery(v ehi cle) ....... ................................... 341
To w star tin gor towing away <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 346
Ele ctrica lfus es<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 351 Whe
elsand tires <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 354
No teson noise orunusua lhandling char‐
act eristic s...................................................3 54
No teson regular lyinspect ingwheels and
tir es ............................................................ 354
No teson sno wch ains ................................ 355
Ti re pressur e.............................................. 355
Loading theve hicle .................................... 362
Ti re labeling ................................................ 366
Def inition ofterm sfo rtir es and loading ..... 371
Chan gingawheel ........................................ 374
Emerg encysparewh eel............ ..................383 Co
ntents 3

1
Steer ing wheel gearshif tpaddles →
139
2 Comb inationswit ch →
109
3 Instrument display →
201
4 DIRECT SELECT leve r →
136
5 Media display →
220
6 Glovebox →
101
7 Start/ stop butt on →
125
8 Climat eco ntro lsy stems →
120
9 Calls upthemain functionsof themultimedia
sy stem →
224
A Hazar dwa rning light system →
110
B PASSENGER AIRBAGind icat orlam ps →
47
C Stor ag ecom partmen t →
101
D Controller forvo lume andswitc hingsound
on/ off →
220
E Swit ches themultimedia system on/ off →
220
F Extends/ retracts theseat beltextende r →
40 G
Ope nsand closes thesof tto p →
72
H Activates and deacti vatesAIR CAP →
75
I Opens thestow agecom partment →
101
J Opens andcloses theside windo ws →
78
K ECO star t/ stop funct ion →
133
L ActivePa rking Assist →
195
M Setstheve hicle leve l →
183
N DYNA MIC SELE CTswitc h →
135
O Touc hpad →
221
P Control pan elforth emultimedia system →
202
Q Adjus tsthesteer ing wheel electrically →
95
Switc hesthesteer ing wheel heateron/ off →
95
R Contr olpanel:
On- boar dcom puter →
202
Cr uise control →
158
Ac tiveDis tance AssistDIS TRONI C →
162
S Diagno stics con nection →
26 At
aglanc e– Coc kpit 7

*
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- BenzGenuineP arts
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 zGenuineP arts aresubject to
st rict qualit yins pec tions.Eac hpar thas been
spec iallyde veloped, manufactured orselec ted
fo rMer cedes-Benz vehicles andadap tedto
th em. Ther efor e, onl yMer cedes- BenzGenuine‐
Pa rts should beused.
Mor eth an 300,0 00 differe nt Mer cedes-Be nz
Ge nui neP arts areav ailable forMer cedes-Benz
model s.
All author ized Mercedes-B enzCent ersmaint ain
a supply ofMer cedes-B enzGenuineP arts for 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) (/page38 7) when order ing Mer cedes-
Benz GenuineP arts. 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

*
NO
TEDama getotheve hicle duetodriv‐
ing toofast and due toimpact sto the
ve hicle underbody orsuspension compo‐
nent s In
thefo llo wing situat ions,in par ticular ,th er e
is arisk ofdamag eto theve hicle:
R The vehicle becomes grounded, e.g.ona
high curb oran unpavedro ad
R The vehicle isdriven toofa st over an
obs tacle ,e.g. acurb ,spe edbump orpot‐
hole
R Ahea vyobject strike sth eunderbody or
suspension componen ts
In situation ssuc has these, damag eto the
body ,underbody ,suspension componen ts,
wheels ortires ma yno tbe visible. Compo‐
nen tsdamag edinthis wa ycan unexpec tedly
fa ilor ,in thecase ofan acciden t,ma yno lon‐
ge rabso rbthere sulting forc eas intended.
If th eunderbody panelingisdamag ed,flam‐
mable materials suchas lea ves, grass or
twigs cancollect between theunderbody and th
eunderbody paneling.Thesematerials may
ignit eif th ey come intocont actwith hot
par tsof theex haus tsy stem. #
Have theve hicle checkedand repair ed
immediat elyat aqu alif ied spec ialist
wo rkshop.
or #
Ifdr iving safetyis im pair edwhile con‐
ti nui ng your jour ne y,pull over and stop
th eve hicle immediat ely, while paying
att ent ion toroad and traffic condi tions,
and cont actaqu alif ied spec ialistwo rk‐
shop. Dec
laration ofconf ormity forwi reless vehi‐
cle comp onent s
US A:"Radio based devic es ofthis vehicle com‐
ply withPa rt15 oftheFCC Rules. Opera tionis
subje ctto thefo llo wing twocon dition s:1) These
de vice sma yno tcause harmful interfere nce, and
2) The sedevice smu stacc eptan yint erfere nce
re cei ved, includin gint erfere nce that ma ycaus e
unde sired oper ation.Chan gesor modif ications no
tex pressl yappr ovedby thepar tyresponsible
fo rcom pliance could void theuser's author ityto
oper ateth eeq uipment. "
Canada :"This vehicle contains license-e xemp t
tr ans mitter( s)/r ece iver( s)that com plywit hInno ‐
va tio n,Scie nceand Econo micDe velopmen tCan‐
ada ’sRSS (s).Operatio nis subj ectto thefo llo w‐
ing twocon dition s:(1) These device sma yno t
cause interfere nce, and(2)The sedevice smu st
acc eptan yint erfere nce, including interfere nce
th at ma ycaus eunde sired oper ationof the
de vice. "
US A:"W ireless chargin gsy stem formobil ede vi‐
ces (mode l:WMI2 Wireless Mobile Inte rface) :
th is de vice complies withPa rt18 oftheFCC
Ru les."
The name andaddr essofthepar tyresponsible
is:
peik eracus ticGmbH
Max-Planc k-St r.28-32
61 38 1Fr iedr ichsdor f
Ger man y Gener
alno tes 25

tio
nin their respectiv eoper ating instructions.
This information isalso available online and,
depen dingon theve hicle equipment, digitally.
Pe rsonal data
Ev eryve hicle isidentif iedbyauniq uevehicle
identif ication number .Depending onthecoun‐
tr y, this vehicle identif ication number canbe
used by,fo rex am ple, government alau thor ities
to determ ine theidentit yof theow ner .The reare
ot her possibili tiestouse dataco llec tedfrom the
ve hicle toident ifytheow ner ordriver ,su ch as
th elicense platenumber .
Ther efor e, dat age ner ated orproce ssedby con‐
tr ol uni tsma ybe attr ibut ab leto aper son or,
unde rcer tain con dition s,becom eatt ribut able to
a per son .De pen dingon whic hve hicle dataar e
av ailable, itma ybe poss ibletomak einf erences
abou t,forex am ple, your drivin gbeha vior,yo ur
loc atio n,your routeor your use pattern s.
Leg alrequ irement sre ga rding thedisclos ure
of data
If leg allyre qu ired todo so, manuf acturersar e, in
individual cases,legallyoblig edtoprov ide gov‐
er nm ent alent ities ,upon requ estand tothe ex
tent requ ired, datast or ed bythemanuf ac‐
tur er.Fo rex am ple, this ma ybe thecase during
th einve stigation ofacr imin aloffense.
Go vernment alentities areth emselv es,inindivid‐
ual cases andwithin theapplicable legalframe‐
wo rk,aut hor ized toread out datafrom theve hi‐
cle. Inthecase ofan acciden t,inf ormation that
can help withan inve stigation can,th er efor e, be
ta ke nfrom theairbag control unit, forex am ple.
Oper ational data intheve hicl e
This isdat are ga rding theoper ation oftheve hi‐
cle, whic hha ve been processed bycontr oluni ts.
Thi sincl udes thefo llo wing data,forex am ple:
R Vehicle status informat ionsuchas thespeed,
longitudin alacceler ation,lateral accelera ‐
tion ,number ofwheel revo lution sor thefa s‐
te ned seatbe lts displ ay
R Ambi entcond itions, such astemp eratur e,
ra in sen sor ordis tance sens or
Ge ner ally,th euse ofthese datais temp orar y;
th ey will notbe stor ed beyond theper iod of
oper ation andwillonlybe processed within the
ve hicle itself. Controlunits oftencont ain da ta memor
iesforve hicle keys,fo rex am ple. Their
use permitsth ete mp orar yor per manent docu‐
ment ation oftech nica linf orma tionab ou tth e
ve hicle's operating stat e, com ponent loads,
main tenance requ iremen tsand tech nica leve nts
or ma lfunctio ns.
Dep endingontheve hicle equipment, thefo llo w‐
ing dataar estor ed:
R Oper ating status ofsystem com ponen ts,
suc has fill le ve ls, tirepr essur eor batt ery
st atus
R Malfun ction sor faults inim por tant system
com ponen ts,suc has lights orbrak es
R System react ionsin spec ialdrivin gsit ua‐
tio ns,suc has airbag deploymentor theint er‐
ve ntio nof stabilit ycon trol systems
R Information oneve nts lead ing tovehicle
damag e
In cer taincas es, itma ybe requ ired tostor edat a
th at wo uld have other wise been usedonlyte m‐
por arily. This maybe thecase ifth eve hicle has
de tected amal functi on,forex am ple. 30
Generalno tes

If
yo uuse services, suchas repair services and
maint enanc ewo rk,st or ed oper ational dataas
we llas theve hicle identif ication number canbe
re ad out and used. Theycan beread out by
ser vice networkem ployees, suchas workshops
and manuf acturersor third par ties ,suc has
br eakdo wnservice s.The same istrue inthe
case ofwa rrant yclaim sand qualit yassur ance
meas ures.
In gener al,th ere ad out isper form ed via the
leg allypr escr ibed portfo rth ediagnos ticscon‐
nect ionintheve hicle. Theoper ational datath at
ar ere ad out documen tte ch nica lst at es ofthe
ve hicle orofindividua lcom ponent sand assis tin
th ediagnosis ofmalfunct ions,compliance with
wa rrant yoblig ationsand qualit yim prove ment.
To that end ,th ese data,in par ticular information
about componen tloads, tech nica leve nts, mal‐
func tions and other faults maybe trans mitted
alon gwit hth eve hicle identif ication number to
th emanuf acturer.Fu rther mor e,themanuf ac‐
tur erissubject toproduct liability .Fo rth is rea‐
son themanuf actureralso uses operational data
fr om theve hicle, forex am ple, forre cal ls. The se da
ta can also be used toexamin eth ecus tom‐
er's warrant yand guar anteeclaim s.
Fa ult mem ories intheve hicle canberese tby a
ser vice outle tor atyour requ estas par tof repair
or maint enanc ewo rk.
Con venience andinfotainme ntfuncti ons
Yo ucan stor econ venie nce settings andindivid‐
ua lse ttings intheve hicle andchang eor rese t
th em atanytime.
Depen dingontheve hicle equipment, this
inc ludes thefo llo wing settings ,fo rex am ple:
R Seat andsteer ing wheel position s
R Suspension andclimat econ trol settings
R Individual settings, suchas interior lighting
Depen dingontheselect edequipment, youcan
im por tdata intove hicle infotainm entfunction s
yo urself .
De pen dingon theve hicle equipment, this
inc ludes thefo llo wing data,forex am ple:
R Mult imed iadat a,suc has music ,fi lms orpho‐
to sfo rpla yba ckinan integr ated multim edia
sy stem R
Address book datafo ruse inconnection with
an integr ated hands-fr eesystem oran inte‐
gr ated navig ation system
R Entere dna vig ation destinations
R Dat aabout theuse ofInt erne tser vices
These datafo rcon venie nce and infotainm ent
fun ction sma ybe save dlocally intheve hicle or
th ey ma ybe locat edon ade vice whichyo uha ve
connect edtotheve hicle, suchas asmar tphone,
USB flash drive or MP3 player.If yo uha ve
ent ered these datayo urself ,yo ucan deletethem
at anytime.
This datais tra nsmit tedfrom theve hicle tothird
par ties onlyat your requ est.This applies, inpar‐
ticular ,when youuse onlineser vices inacc ord‐
anc ewit hth ese ttings that youha ve select ed.
Smar tphone integratio n(e .g. Android Au toor
App leCar Play)
If yo ur vehicle isaccor dinglyeq uipped, youcan
co nn ect your smar tphon eor ano ther mobile end
de vice totheve hicle. Youcan then con trol them
by means ofthecon trol element sint egr ated in
th eve hicle. Imagesand audiofrom thesmar t‐
phone canbeoutput viathemultimedia system. Gener
alno tes 31

*
NO
TEImpo rtant poin tsto remember if
th efront passeng erseat isunocc upied In
an acciden t,th ecom ponen tsof the
re stra int system maydeplo yunnec essarily
on thefront passeng erside if:
R Ther ear ehea vyobjec tson thefront
passeng erseat.
R The seat belttongu eis eng aged inthe
seat beltbuckleofthefront passeng er
seat andthefront passeng erseat is
unocc upied. #
Stow object sin asuit able place. #
Onlyone person should useeachseat
belt atanyone time. Depending
onthede tected acci dent situation,
th ehead airbag onthefront passeng erside may
deplo y.The airbag isdeplo yedre ga rdless of
whe ther thefront passeng erseat isoccupied. Pr
otectiv ecap acit yof theair bags Dep
endingontheacciden tsituation ,an airbag
ma ysupplement thepr otect ion offere dby acor ‐
re ctly fastened seatbelt. &
WARNIN GRisk ofinju ryor deat hdue to
an incorrect sea tpos ition
If yo ude viat efrom thecor rect sea tpos ition,
th eairbag cannotper form itsintended pro‐
te ctiv efuncti on.
Eac hve hicle occupant mustmak esur eof the
fo llo wing:
R Fasten seat belts correctl y.Pregnant
wo men mustta ke par ticular careto
ensur eth at thelap belt neverlie sacr oss
th eabdomen.
R Adoptth ecor rect sea tpos ition and keep
as faraw ay as poss iblefrom theairbags.
R Obser vethefo llo wing informatio n. #
Alw aysmak esur eth at ther ear eno
objec tsbetween theairbag andvehicle
occupant. To
avo idtherisk sre sulting from thedeplo yment
of an airbag, eachve hicle occupant must
obser vethefo llo wing informatio nin par ticular :
R Beforest ar tin gyo ur jour ne y,adjus tyo ur seat
co rrect ly;th edr iver's seat andfront
passeng erseat should bemo vedas farbac k
as possi ble.
When doingso,alwaysobser vetheinf orma‐
tion onthecor rect driver's seatpos ition
(/ page 84).
R Onlyhold thesteer ing wheel bythesteer ing
wheel rim. This allows theairbag tobe fully
deplo yed.
R Alw ayslean agains tth eseat backres twhen
th eve hicle isin mo tion. Donotlean forw ards
or agains tth edoor orside windo w.Youma y
ot her wise beinthedeplo yment area ofthe
airbag s.
R The occupant smus talw ayske ep their feet
on thefloor .Do notput your feet on the
coc kpit, forex am ple. Your feet ma yot her‐
wise beinthedeplo yment area oftheairbag.
R Ifch ildr enaretra veling intheve hicle,
obser vetheadditional notes(/ page52). Occupant
safety 43