tow MERCEDES-BENZ C-CLASS CABRIOLET 2021 User Guide

#
Toactiv ate: press and hold button2 for
appr oximat elyfive seconds untilanacous tic
signal sounds. #
Todeac tivate: press and holdbu tton 1 for
appr oximat elyfive seconds untilanacous tic
signal sounds. In
thefo llo wing situat ions,th er eis adang erof
being lockedout when thefunc tion isactiv ated:
R While theve hicle isbeing tow star ted/
pushed.
R Ifth eve hicle isbeing tested on aro ller dyna‐
mome ter. Loc
king/u nlocking thedr iver' sdoor withth e
emer gency key %
Ifyo uwish toloc kth eve hicle entirelyusing
th eemer gency key,firs tpr es sth ebutt onfor
loc kin gfrom theinside whilethedr iver's
door isopen. Thenproceed toloc kth edr iv‐
er's door using theemer gency key. #
Remo vetheemer gency key(/ pag e65 ). #
Inser tth eemer gency keyas faras itwil lgo
int oopening 1intheco ver. #
Pull and hold thedoor handle. #
Pull theco veron theemer gency keyas
st ra ight aspossible away from theve hicle
until itre leases. #
Release thedoor handle. Openin
gand closing 69

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 omaticall yin
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 inthestor ag ecom partmen t
(/ page12 6)
% When theMer 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 289) .
% Inthecase ofsevere batt erydisc harging,
th eanti- theftalar msystem isaut omaticall y
deactiv ated tofacil itat eth ene xt engine
st ar t.
Deact ivat ing theATA #
Press theÜ, ßor008B buttononthe
Smar tKey .
or #
Press thest ar t/ stop butt onwithth eSmar t‐
Ke yin thestow agecom partment
(/ page12 6)
De activ ating theala rm using KEYLESS-GO #
Grasp theoutside doorhandle withth e
Smar tKey outside theve hicle. Opening
andclosing 83

No
teson thecor rect driver' sseat position &
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. 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, taking thefo llo wing
point sint ocon sider ation :
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 The backof 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 overvie wof thetra ffic con ‐
dition s
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 84
Seatsand stow ing

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. Yo
ucan adjustth eseats when theignition is
switc hedoff. &
WARNIN GRisk ofbeco ming trap ped
whe nad jus ting theseat
When youadj usta seat ,yo uor other vehicle
occupants couldbecome trapped, e.g.onthe
seat guide rail. #
When adjustingaseat, makesur eth at
no onehas anypar tof their body within
th esw eep oftheseat. Obser
vethesaf etyno teson "Airbags" and"Chil‐
dr en intheve hicle". &
WARNIN GRisk ofacci dent dueto the
dr iver's seat notbeing engaged
The driver's seat maymo veune xpectedl y
while drivin g.
This could caus eyo uto 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 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 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. Seats
andstow ing 85

Childr
eninpar ticular could acciden tally
pr ess theelectr icalseat adjus tmentbutt ons
and become trapped. #
While moving theseats, makesur eth at
han dsorother body partsdo notget
und ertheleve rasse mbly oftheseat
adjus tmentsy stem. &
WARNIN GRisk ofinju rydue tohead
re stra int sno tbeing installed orbeing
adjus tedincor rectl y
If hea dre stra int sha ve notbe en installed or
ha ve notbe en adjus tedcor rectly ,th er eis an
incr eased risk ofinjur yin thehead andneck
ar ea, e.g. intheev ent ofan acciden tor when
br aking. #
Alw aysdr ive wit hth ehead restra int s
ins talled. #
Beforedr ivin gof f,mak esur efo rev ery
ve hicle occupant that thecent erofthe
head restra int suppor tsthebac kof the
head atabout eyeleve l. Do
notint erch ang eth ehead restra int sof the
fr ont and rear seat s.Ot her wise, youwill notbe
able toadjus tth eheight andangleof thehead
re stra int scor rectl y.
Ad jus tth ehead restra int fore -and -aftpo sitio nso
th at itis as clo seasposs ibletothebac kof your
head. &
WARNIN GRisk ofinju ryor deat hdue to
an incorrect sea tpos ition
The seatbel tdoe sno tof ferth eint ended
le ve lof protect ion ifyo uha ve notmo vedth e
seat backres tto an almos tve rtical posit ion.
In par ticular ,yo uco uld slip beneathth eseat‐
belt andbecome injured. #
Adjus tth eseat proper lybef orebegin‐
ning your jour ne y. #
Alw aysensur eth at theseat backres tis
in an almos tve rtical posit ionand that
th eshoulder beltisrouted acr oss the
cent erofyour sho ulder . &
WARNIN GRisk ofinju rydue toexc es‐
siv est ra in on thegr ab handle
If yo uappl yyo ur full body weight tothegr ab
handle orpull itabr uptly, thegr ab handle
ma ybe damag edorbecome loosefrom its
anc horage. #
Use thegr ab handles onlyto stabiliz e
th eseating position ortoassis tin get‐
ting inand outof theseat. &
WARNIN GRisk ofinju ryor deat hdue to
object sunder theco- driver seat
Objec tstrapped undertheco- driver seat can
int erfere wit hth efunc tion oftheaut omatic
co- driver airbag shutoffor damag eth esy s‐
te m. #
Donotst or ean yobject sunder theco-
dr iver seat. #
When theco- driver seat isoccupied,
mak esur eth at no obj ect sar etrapped
unde rth eco- driver seat. 86
Seats andstow ing

*
NO
TEDama getotheseats when moving
th eseats back The
seats maybe damag edbyobject swhen
mo ving theseats back. #
When moving theseats back,mak e
sur eth at ther ear eno objec tsinthe
fo ot we ll,under orbehin dth eseats. 1
Seat backres tinclin ation
2 Seat height
3 Seat fore -and -aftpos ition #
Toadjus tth eseat fore -and-af tposi tion:
lif tle ve r3 and slideth eseat intoth e
desir edposition . #
Mak esur eth at theseat iseng aged. 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 -aftpo sitio n Sea
tsand stow ing 87

#
Save these ttings withth ememor yfunc tion
(/ page98). Ad
jus tingthe 4-waylum bar support 1
Higher
2 Softer
3 Lowe r
4 Firmer #
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 ofacci dent dueto
adjus tingve hicle settin gswhile theve hi‐
cle 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 s,thesteer ing wheel orthemir‐
ro rwhi letheve 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 s,the
st eer ing wheel andthemir rorand fas‐
te nyo ur seat belt. &
WARNIN GRisk ofinju rydue tohead
re stra int sno tbeing installed orbeing
adjus tedincor rectl y
If hea dre stra int sha ve notbe en installed or
ha ve notbe en adjus tedcor rectly ,th er eis an
incr eased risk ofinjur yin thehead andneck
ar ea, e.g. intheev ent ofan acciden tor when
br aking. #
Alw aysdr ive wit hth ehead restra int s
ins talled. #
Beforedr ivin gof f,mak esur efo rev ery
ve hicle occupant that thecent erofthe
head restra int suppor tsthebac kof the
head atabout eyeleve l. Do
notint erch ang eth ehead restra int sof the
fr ont and rear seat s.Ot her wise, youwill notbe
able toadjus tth eheight andangleof thehead
re stra int scor rectl y.
Ad jus tth ehead restra int fore -and -aftpo sitio nso
th at itis as clo seasposs ibletothebac kof your
head. 88
Seatsand stow ing

#
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