MERCEDES-BENZ C-CLASS CABRIOLET 2021 Owners Manual

#
Toraise: pullthehead restra int up. #
Tolowe r:press release knob 1 inthedir ec‐
tion ofthear row and push thehead restra int
do wn. #
Tomo veforw ards: pullth ehead restra int
fo rw ards. #
Tomo vebac kwards: press and hold release
kn ob 2. #
Push thehead restra int bac kwards and letgo
of release knob 2.
Ins talling/r emoving there ar seat head
re stra ints
Re mo val
The head restra int scan beremo vedonl yin vehi‐
cles withfo lding rear seat backres ts. #
Release there ar seat backres tand fold itfor‐
wa rdsslightly (/page10 1). #
Pullth ehead restra int upw ards asfaras it
wil lgo. #
Push release knob 1 inthedir ect ion ofthe
ar row and pulloutthehead restra int .
Ins talling #
Insertth ehead restra int suc hth at the
no tches onthebar areon thelef twhen
vie we din thedir ect ion oftra vel. #
Push thehead restra int down untilit
eng ages. #
Foldthere ar seat backres tbac kunt ilit
eng ages. Conf
iguringtheseat settings Multi
media system:
4 © 5
Comfort 5
Seat Comfort #
Select aseat.
Ad jus tingthe backres tsi de bolste rs #
Select SideBol sters . Sea
tsand stow ing 89

#
Adjus tth eair cushions .
Ad jus tingthe backres tco ntou rin the lumb ar
re gion oftheseat backres t(lum bar) #
Sele ctLumbar . #
Adjus tth eair cushions . Selecting
thema ssag epr og ram forthe fron t
se ats Mu
ltimed iasystem:
4 Vehicle 5
Seats #
Select Driver'sSeat orFron tPassenger. #
Select Massage. #
Select amassag epr ogr am.
The massag epr ogr am runs forapp roxima tely
9 to 15 minut es,depe nding onthese tting. #
Tosetth emassag eint ensit y:switc hHigh
Int ensit yon 0073 oroff0053. Re
setting seat settings Multimedia
system:
4 Vehicle 5
a Seats 5
Reset #
Select YesorNo.
Depen dingonwhe ther these ttings forth edr iv‐
er ’s or front passeng erseat areselect ed,only
th eselect edseat canberese t. Fo
lding thefront seat backres tfo rw ards/
bac k(v ehic leswith me mo ryfunctio n) If
yo ufo ld theseat backres tfo rw ards, theseat
will moveforw ards withth eEA SY-ENTR Yfunc ‐
tio n.Thi sal lo ws passeng ersto getint oand out
of there ar passe nger com partment com fortabl y. #
Tofold forw ards: pullsea tre lease handle
1 and fold theseat backres tfo rw ards asfar
as itwill go.
The seat willmoveaut omat icallyto thefo re ‐
mos tposi tion. #
Tofold bac k:swing backth eseat backres t
hor izon tally.
If th eseat backres tis no teng aged, this will
be sho wnonthemultifunc tiondispla yon the 90
Seats andstow ing

ins
trumen tclus ter.A wa rning tone also
sou nds.
The seatwi llmo veaut omat icallyto the
st or ed position. Fo
lding thefront seat backres tfo rw ards/
bac kwards (vehic leswithout mem oryfun c‐
tion) Fo
lding forw ards
If yo ufo ld theseat backres tfo rw ards, theseat
will moveforw ards withth eEA SY-ENTR Yfunc ‐
tio n.Thi sal lo ws passeng ersto getint oand out
of there ar passe nger com partment com fortabl y. #
Ifnecessar y,release thehead restra int and
push itdo wn. #
Pull seat release handle 1and fold theseat
bac kres tfo rw ards unt ilth eseat backres t
eng ages. #
Push theseat asfarfo rw ards asitwill go. Fo
lding back #
Push theseat backhor izon tally by theseat
bac kres tuntil itre ac hes theseat position
th at wa spr ev iousl yse t. #
Foldtheseat backres tbac kuntil iteng ages.
Do soassmoo thly as poss ible.
If th eseat backres tis no teng aged, this will
be sho wnonthemultifunc tiondispla yon the
ins trumen tclus ter.A wa rning tone also
sou nds. #
Afterth eseat backres thas been folded
bac k,checkth eposition ofthehead restra int
and setit to thecor rect pos ition.
If th ese tseat position cannolong erbe reac hed,
e.g .bec ause oflugg agein there ar foot we llor
because occupant sha ve ent ered there ar
passe nger com partment oftheve hicle: #
Pull seat release handle 1again and retur n
th eseat backres tto an upr ight posit ion.
The seat willlockin thene wfore -and -aft
pos ition. Sea
tsand stow ing 91

Switc
hingtheseat heatingon/of f &
WARNIN GRisk ofburnsdue torepeat‐
edl yswitc hingontheseat heating
Re peat edly switc hingontheseat heating can
cause theseat cushion andseat backres t
padding tobecome very hot.
In par ticular ,th ehealt hof per sons withlimi‐
te dte mp eratur esensit ivityoralimit edability
to react tohigh temp eratur esma ybe affec‐
te dor they ma yev en suf ferbur n-lik einjur ies. #
Donotre peat edlyswitc hon theseat
heating. To
protect agains tove rheating, theseat heating
ma ybe temp orarily deactiv ated afte rit is
swi tched onrepeat edly.
* NO
TEDama getotheseats caused by
object sor document swhen theseat
heating isswitc hedon When
theseat heating isswitc hedon,over‐
heati ngmayoccur duetoobject sor docu‐ ment
splaced ontheseats, e.g.seat cush‐
ions orchild seats .This could cause damag e
to theseat surface. #
Makesur eth at no obj ect sor doc u‐
men tsareon theseats when theseat
heating isswitc hedon. Re
quirement s:
R The powe rsupp lyis swi tched on. #
Press butt on1 repeat edly until thedesir ed
heating leve lis set.
Depe ndingon theheating leve l,up tothre e
indic ator lam pswill light up.Ifall indic ator
lam psareof f,th eseat heating isswitc hed
of f.
% The seat heating willautomatic allyswitc h
do wn from theth re eheating leve ls afte r8,
10 and 20min utes unt ilth eseat heating is
switc hedoff. Switc
hingtheseat ventilat ionon/of f Re
quirement s:
R The powe rsupp lyis swi tched on. 92
Seats andstow ing

#
Press butt on1 repeat edly until thedesir ed
blo werse tting hasbeen reac hed.
De pen dingon theblo werse tting, uptothre e
indic ator lam pswill light up.Ifall indic ator
lam psareof f,th eseat ventil ation issw itched
of f. Sw
itchin gAI RSC ARF on/o ff &
WARNIN GRisk ofburnscaused bythe
heating outputfrom AIRSC ARFbeing too
high
When AIRSCARFisswitc hedon,very hotair
can flow from theoutle topening inthehead
re stra int s.
This could result inbur nsintheimmediat e
vicinit yof theoutle topening . #
Turn theheating outputdown ingood
time. #
Maint ainasuit able distance from the
outle topening. Re
quirement s:
R The powe rsupp lyis swi tched on AIRSC
ARFwarmsth ehead andneckar ea of
ve hicle occupants withwa rm air.The warm air
fl ow sout oftheve nts inthehead restra int s. #
Toswitc hon: press butt on1.
All indicat orlam psareon.
% During theswitc h-onprocess, theblo wer
st ar ts up onlyafte ra pr ehea tingphas elas t‐
ing sevenseco nds. Sea
tsand stow ing 93

#
Toreduce theleve l:pr ess butt on1
re peat edlyuntil thedesir edheating leve lis
se t.
Depe ndingon theheating leve l,up tothre e
indic ator lam pslight up. #
Toswitc hof f:pr ess butt on1 repeat edly
until alltheindicat orlam psgo out.
% Afterswitc hingoff,th eblo werru ns on fora
fe w sec ond sto cool down theheating ele‐
ment s.
% Ifth eve hicle batteryvo ltag eis toolow, AIR ‐
SC ARF maysw itchof f. #
Adjus tth eAIRSC ARFvent (/ page 123).
Ma kesur eth at ther ear eno objec tscovering the
air intakeon thebac kof thehead restra int .
Mak esur eth at obj ect sdo notent ertheve nts in
th ehead restra int s. Ste
ering wheel Ad
jus tingthe steer ing wheel mechanicall y &
WARNIN GRisk ofacci dent dueto
adjus tingth eve hicle settin gswhile the
ve hicle isin mo tion
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ionsinpar ticular :
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: Inpar ticular ,
adjus tth edr iver's seat, head restra int ,
st eer ing wheel andmirror,and fasten
yo ur seat belt. &
WARNIN GRisk ofentr apment forch il‐
dr en when adjustingth esteer ing wheel
Childr encould injureth emselv esifth ey
adjus tth esteer ing wheel. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. #
Tounlo ck:pu sh release leve r1 down as
fa ras itwil lgo. 94
Seatsand stow ing

#
Adjus the ight 2 and dist anc e3 tothe
st eer ing wheel. #
Toloc k:push release leve r1 upasfaras it
wil lgo. #
Chec kand makesur eth at thesteer ing col‐
umn isloc kedby mo ving thesteer ing wheel. Ad
jus tingthe steer ing wheel electrically The
steer ing wheel canbeadjus tedwhen the
po we rsupp lyis disco nnect ed. 1
Toadjus tth edis tance tothesteer ing wheel
2 Toadjus tth eheight #
Save these ttings withth ememor yfunc tion
(/ page98). Switc
hingthest eer ing wheel heatingon/of f Re
quirement s:
R The ignit ionisswitc hedon. #
Turn theleve rin thedir ect ion ofarrow 1or
2.
If indicat orlam p3 lights up,thesteer ing
wheel heating isswitc hedon. Seats
andstow ing 95

When
youswit chtheignition off,th esteer ing
wheel heating switchesoff. Easy
entryand exitfeatur e Usi
ngtheeasy entryand exitfeatur e &
WARNIN GRisk ofacci dent whenpu lling
aw ay dur ing theadjus tmentpr ocess for
th eeasy exitfeatur e
Yo uco uld lose contro lof theve hicle. #
Alw ayswa itunt ilth eadjus tmentpr oc‐
ess iscom pletebef orepulling away. &
WARNIN GRisk ofbeco ming trap ped
du ring adjus tment oftheeasy entryand
ex itfeatur e
Yo uand other vehicle occupants –par ticu‐
lar lych ildr en–could becom etrapped. #
Ensur eth at no onehas abody partin
th esw eep ofthesteer ing wheel ordriv‐
er's seat. If
th er eis arisk ofbecoming trapped bythe
st eer ing wheel: #
Movetheadjus tmentle ve rof thesteer‐
ing wheel.
The adjus tmentpr ocess willbestop‐
ped.
If th er eis arisk ofbecoming trapped bythe
dr iver's seat: #
Press theseat adjus tmentswitc h.
The adjus tmentpr ocess willbestop‐
ped. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. Yo
ucan stop theadjus tmentpr ocess bypress‐
ing one ofthememor yfunc tion position
switc hes. &
WARNIN GRisk ofbeco ming trap ped if
ch ildr enact ivat eth eeasy entryand exit
fe atur e‑
Childr encoul dbec ome trapped ifth ey act i‐
va te theeasy entry‑and exitfeatur e,par ticu‐
lar lywhen unattende d. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. If
th eeasy entryand exitfeatur eis act ive, the
st eer ing wheel willmoveupw ards and thedr iv‐
er's seat willmovebac kin thefo llo wing situa‐
tion s:
R Youswit chtheignition offwit hth edr iver's
door open
R Youopen thedr iver's door withth eignition
switc hedoff 96
Seats andstow ing

%
The steer ing wheel willthen mo veupw ards
on lyifit is no talr eady ashigh asitwill go.
The driver' sseat willthen mo vebac kwards
onl yif it is no talr eady atthere ar oftheseat
adjus tmentra ng e.
The steer ing wheel andthedr iver's seat will
mo vebac kto thelas tdr ive position inthefo l‐
lo wing cases :
R Youswit chthepo we rsupp lyor theignition
on when thedr iver's door isclosed
R Youclo sethedr iver's door withth eignition
switc hedon
The lastdr ive position willbesave dwhen:
R Youswit chtheignition off.
R yousa ve theseat settings viathememor y
func tion.
If yo upr ess oneof thememor yfunc tion memor y
position switches,theadjus tmentpr ocess will
be stopped. Se
tting theeasy entryand exitfeatur e Mul
timedi asy stem:
4 Vehicle 5
î Vehicle Setting s
5 Easy Entry/E xit #
Select Steering Wheel&Seat, Steering
Wheel OnlyorOff. Memor
yfunction Fu
nction ofthemem oryfun ction &
WARNIN GRisk ofan acci dent ifth e
memor yfunction isused whiledr iving
If yo uuse thememor yfunc tion onthedr iv‐
er's side while driving, youco uld lose contro l
of theve hicle asare sult oftheadjus tments
being made. #
Onlyuse thememor yfunc tion onthe
dr iver's side when theve hicle isstatio n‐
ar y. &
WARNIN GRisk ofentr apment when
ad jus ting theseat withth ememor yfunc ‐
tion
When thememor yfunc tion adjus tstheseat
or steer ing wheel, youand other vehicle
occupants –par ticular lych ildr en–could
becom etrapped. #
Dur ing theadjus tingprocess ofthe
memor yfunction, ensureth at no body
par tsarein thesw eep oftheseat or
th esteer ing wheel. #
Ifsomebody becomestrapped, immedi‐
at elyre lease thememor yfunc tion posi‐
tion button.
The adjus tmentpr ocess isstopped. &
WARNIN GRisk ofentr apment ifth e
memor yfunction isactiv ated bychildr en
Childr encould becom etrapped ifth ey act i‐
va te thememor yfunc tion,par ticular lywhen
unatt ended. Seats
andstow ing 97

#
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. Yo
ucan usethememor yfunc tion when theigni‐
tion isswitc hedoff.
Seat adjus tmentsforup tothre epeople canbe
st or ed and called upusing thememor yfunc tion.
Yo ucan save settin gsforth efo llo wing systems:
R Seat, backres tand head restra int
R Steer ing wheel
R Outside mirrors
R Hea d-up Display Oper
ating themem oryfun ction St
oring #
Setth edesir edposition forall systems. #
Brief lypress memor ybutt onV andthen
pr ess prese tposition 0037,TorU
wit hin thre esecon ds.
An acous ticsignal sounds. Thesettings are
st or ed. #
Tocall up:pr ess and hold prese tposit ion
butt on0037, TorU untilall thesy s‐
te ms arein thestor ed position.
% When youre lease thepr ese tposition button,
st eer ing wheel, theseat andmirrorse tting
functions stop immediat ely. The Head-up
Displa ycont inues tobe adjus ted. St
ow agear eas No
teson loading theve hicl e &
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. 98
Seats andstow ing