ignition MERCEDES-BENZ S-CLASS CABRIOLET 2021 Owner's Manual

Re
stra int system Pr
otection prov ided bythere stra int system The
restra int system includes thefo llo wing com‐
pone nts:
R Seat beltsystem
R Airbags
R Child restra int system
R Child seatsecur ingsystems
The restra int system can help preve nttheve hi‐
cle occupants from coming intocont actwith
par tsof theve hicle interior intheev ent ofan
acciden t.In theev ent ofan acciden t,th e
re stra int system can also reduce thefo rc es to
whic hth eve hicle occupants aresubject ed.
A seat beltcanonlypr ov ide thebes tle ve lof pro‐
te ction ifit is wo rncor rectl y.Dep endingonthe
de tected acci dent situation, Emerg encyTensi on‐
ing Device sand /or airba gssupp lement thepr o‐
te ction offere dby acor rectl ywo rnseat belt.
Emer gency Tensi oni ng Device sand /or airba gs
ar eno tde ploy ed ineve ryacc iden t. In
order forth ere stra int system toprov ide the
int ended leve lof protect ion, eachve hicle occu‐
pant mustobser vethefo llo wing informatio n:
R Fasten seat belts correctl y.
R Sitinan almos tup right seat position with
th eir bac kag ains tth eseat backres t.
R Sitwithth eir feet resting onthefloor ,if pos‐
sible.
R Alw ayssecur eper sons under 5ft (1.50 m)
ta llin an addition alrestra int system suitable
fo rMer cedes-Benz vehicles.
Ho wever,no system available toda ycan com‐
ple tely elim inat einj uries and fata lities ineve ry
acc iden tsit uatio n.Inpar ticular ,th eseat belt
and airbag gener ally do notpr otect agains t
objec tspene trating theve hicle from theoutside.
It is also notpossible tocom plet elyru le out the
ri sk ofinjur ycaused bytheairbag deploying. Re
duce dre stra int system protection &
WARNIN GRisk ofinju ryor deat hdue to
modif icationstothere stra int system
Ve hicle occupants mayno long erbe protec‐
te das intended ifalt erations aremade tothe
re stra int system. #
Neveralt er thepar tsof there stra int
sy stem. #
Neverta mp erwit hth ewir ing orany
electr oniccomponen tpar tsor their
sof tware. If
it is neces saryto modify theve hicle toacc om‐
modat eaper son withdisabil ities, con tact an
au thor ized Mercedes-B enzCent erforde tails.
US Aonl y:forde tails, con tact ourCu stomer
Assis tance Center on 1-800-F OR-MER Cedes
(1‑80 0‑367‑63 72). Re
stra int system functiona lity When
theignition isswitc hedon,aself-t estis
per form ed, during whic hth e0075 restra int sys‐ Occ
upant safety 33

te
m wa rning lam plight sup. Itgoes outnolater
th an afe w sec ond saf te rth eve hicle isstar ted.
The com ponen tsof there stra int system areth en
func tional. Malfu
nctioning restra int system A
malfun ction has occurredin there stra int sys‐
te m if:
R The 0075 restra int system warning lam p
does notlight upwhen theignition is
switc hedon
R The 0075 restra int system warning lam p
light sup con tinuousl yor repeat edly during a
jour ney &
WARNIN GRisk ofinju rydue tomalfu nc‐
tions inthere stra int system
Com ponen tsinthere stra int system maybe
activ ated unint entionall yor notdeplo yas
planned inan acciden t. #
Have there stra int system checkedand
re pair edimmediat elyat aqu alif ied spe‐
cialis two rkshop. Fu
nction ofthere stra int system inan acci‐
dent Ho
wthere stra int system worksis de term ined by
th ese verity of theim pact detected and thetype
of acciden tantic ipated:
R Front alim pact
R Rear impact
R Sideim pact
R Rollover
The activ ation thre sholds forth ecom ponen tsof
th ere stra int system arede term ined based on
th eev aluatio nof thesensor values measur edat
va rious points intheve hicle. Thisprocess ispre-
em ptive in nat ure. The trigg ering/ deplo yment of
th ecom ponen tsof there stra int system mus t
ta ke place ingood timeatthest ar tof thecolli‐
sion.
Fa ctor swhi chcan only besee nand measured
af te ra colli sion hasoccur reddo notpla ya deci‐
siv ero le in thedeplo yment ofan airbag. Nordo
th ey prov ide anindic ation ofairbag deployment .
The vehicle maybe def ormed signif icantl ywit h‐
out anairbag beingdeployed. This isthecase if onl
ypar tswhic har ere lativ elyeasil ydef ormed
ar eaf fect ed and thera te ofvehicle deceler ation
is no thigh. Conversely ,an airbag maybe
deplo yedev en though theve hicle suffers onl y
minor deformation. Ifve ry rigid vehicle parts
suc has longitudinal membersar ehit, this ma y
re sult insuf ficie ntly highleve ls of vehicle decel‐
er ation.
Depending onthede tected dep loyme ntsitu a‐
tion, thecom ponen tsof there stra int system can
be activ ated ordeplo yedindepen dentlyof eac h
ot her :
R Emer gency Tensi oni ng Device :fr ont al
im pa ct, rear impact ,side impact ,ro llo ver
R Driver' sai rba g,front passe nger airba g:fron‐
ta lim pact
R Knee airbag: front alim pact
R Side airbag: sideimpact
R Head airbag: sideimpact ,ro llo ver,front al
im pact
The front passeng erairb agcan onlybe depl oyed
in an acciden tif th ePA SSENGER AIRBAGOF F
ind icat orlam pis off.Ifth efront passeng erseat 34
Occupant safety

*
NO
TEDama gecau sed bytrap ping the
seat belt If
an unused seatbeltisno tfully retract ed,it
ma ybe come trap pe din thedoor orinthe
seat mechanism. #
Alw aysensur eth at an unus edseat belt
is full yre tract ed. Ex
tending/r etra ctin gth eseat beltextender When
thedoor isclosed, theseat beltextende r
ex tends.
Mer cedes -AMG vehicl es:obse rveth eno tesin
th eSupplement .Yo uco uld other wise failto rec‐
ogni zedangers. The seatbel tex tende rbu tton is
no tav ailable inMer cedes-AM Gve hicles.
Yo ucan also extend theseat beltextende rby
usin gth eõ seatbeltextende rbu tton inthe
switc hpanel abovethelight switc h. #
Switc hon theignition . #
Press theõ seatbeltextende rbu tton.
The seatbe ltex tende rex tends. The
seatbe ltex tende rre tracts again in thefo l‐
lo wing cases :
R The seat belttongu eis eng aged intheseat
belt buckle
R The seat belttongu eis no teng aged inthe
seat beltbucklewithin 60seconds
If yo upr ess theõ seatbeltextende rbu t‐
to nag ain in this case, theseat beltextende r
wi llex tend again.
R The respectiv edoor isopened
R Youfo ld theseat backres tfo rw ards
R Nobody issitt ing inthefront passeng erseat
If yo upr ess seat beltextende rbu tton õ
ag ain in this case, theseat beltextende rwi ll
no long er extend.
The seatbe ltex tende rmu stalw aysbe retract ed
wh ile th eve hicle isin mo tion. Fa
stening seatbelts If
th eseat beltispulled quickl yor shar ply, the
seat beltretract orlock s. The seat beltstra pcan‐
no tbe pulled outanyfur ther. #
Alw ayseng ageseat belttongu e2 ofthe
seat beltintoseat beltbuckle1 ofthecor‐
re sponding seat.
Ve hicl eswith automatic front passen gerair‐
bag shutoff: 38
Occupant safety

Self-t
estof aut omatic front passeng erairbag
shut off
When theignition isswitc hedon,aself-t estis
per form ed dur ing whic hth etw oPA SSENGER
AIR BAGON and OFFind icat orlam pslight up
simul taneou sly.
The status ofthefront passeng erairbag isdis‐
pla yedaf te rth eself-t est:
R PASSENGER AIRBAGON light sup for
60 seconds ,sub sequently both indic ator
lam psareof f(P AS SENGER AIR BA GON and
OF F): thefront passeng erairbag isable to
deplo yin theev ent ofan acciden t.
R PASSENGER AIRBAGOF Flight sup con tinu‐
ousl y:thefront passeng erairbag isdisabled.
It will then notbe deplo yedin theeve ntofan
acci dent.
If th ePA SSENGER AIRBAGON indicat orlam pis
of f,on lythePA SSENGER AIRBAGOF Find icat or
lam psho wsthest atus ofthefront passeng er
airbag. ThePASSENGER AIRBAGOF Find icat or
lam pma ybe litcon tinuousl yor be off.
If th ePA SSENGER AIRBAGOF Find icat orlam p
and the0075 restra int system warning lam p light
upsimult aneousl y,thefront passeng erseat
ma yno tbe used. Alsointhis case, donotins tall
a ch ild restra int system onthefront passeng er
seat. Have aut omat icfron tpasse nger airbag
shut offch eckedand repair edimmediat elyata
qu alif ied spec ialistwo rkshop.
St atus displa y
If th efront passeng erseat isoccupied, ensure,
bo th bef oreand during thejour ney,that thest a‐
tus ofthefront passeng erairbag iscor rect for
th ecur rent situa tion.
Af terin st alli ng are ar wa rd-faci ng child
re stra int system onthefront passeng er
seat :PA SSENGER AIRBAGOF Fmus tbe litcon ‐
tin uousl y. &
WARNIN GRisk ofinju ryor deat hfrom
using are ar wa rd-faci ng child restra int
sy stem when thefront passeng erairbag
is enabled
If yo usec ureach ild inare ar wa rd-facin g
ch ild restra int system onthefront passeng er
seat andthePA SSENGER AIRBAGOF Find i‐ cat
orlam pis off,th efront passeng erairbag
can deplo yin theeve ntofan acci dent.
The child could bestru ck bytheairbag.
Alw aysensur eth at thefront passeng erair‐
bag isdisabled. ThePASSENGER AIRBAG
OFF indicat orlam pmus tbe lit.
NEVER useare ar wa rd-faci ng child restra int
sy stem onaseat withan ENABL EDFRONT
AIRB AG,DE ATHor SERIOU SINJU RYtothe
CH ILD can occur . When
installing ach ild restra int system onthe
fr ont passeng ersea t,obse rveth eve hicle-spe‐
cif icinf ormation (/page56).
Depending onthech ild restra int system and the
st atur eof thech ild, thePA SSENGER AIRBAG
OFF indicat orlam pma ybe off.In this case, do
no tins tallth ere ar wa rd-faci ng child restra int
sy stem onthefront passeng erseat.
Ins tead, installth ere ar wa rd-faci ng child
re stra int system onasuit able rear seat .
Af terin st alli ng afo rw ard-f acin gch ild
re stra int system onthefront passeng er
seat :depen dingonthech ild restra int system Occ
upant safety 45

Fo
rsaf etyre ason s,Mer cedes-Ben zre comme nds
ope ning orclos ingthesof tto pwhen theve hicle
is statio nary.
To open orclose thesof tto pwhile youar edr iv‐
ing ,do notexc eed amaximum speedof30 mph
(50 km/ h).Toavo idint erru pting theclosing
pr ocess whileyouar esligh tly ex ceed ingthis
speed, donotdr ive at aspeed great erthan
37 mph(60 km/h). #
Mak esur eth at thetrunk partition isclosed. #
Close thetrunk lid. #
Switc hon theignition . #
Keep thebr ak epedal depressed whenthe
ve hicle isstatio nary. #
Foldthear mr estupw ards . #
Toopen: pulland hold soft-to pswitc h1
until thesof tto pis full yopen.
The multifun ction displa ywill showtheopen‐
ing process ofthesof tto p. #
Toclose: press and hold soft-to pswitc h1
until thesof tto pis full yclosed.
The multifun ction displa ywill showtheclos‐
ing process ofthesof tto p. &
WARNIN GRisk ofacci dent dueto
exc essiv espeed during thesof tto p
opening orclosing procedur e
If th eve hicle speed exceeds 37mph
(60 km/ h),thesof tto pwill stop dur ing the
opening orclosing procedur e. #
Reduce theve hicle speed tobelo w
37 mph(60 km/h) orstop theve hicle
in accor dance withth etraf fic condi ‐
tions . #
Ope rate thesof t-to pswitc hag ain to
open orclose thesof tto pfull y. The
current proce dure will bestopped ata
speed great erthan 37 mph(60 km/h). The
Open/Close ConvertibleTopCompletely mes‐
sag eis sho wnonthemultifunc tiondispla y. #
Reduce your spee dand press orpull soft-to p
switc h1 again.
If th esof tto pdoes notclose fullybecause of
st ro ng hea dwind s,drive mor eslow lyor stop. Opening
andclosing 73

Re
loc king thesof tto p &
WARNIN GRisk ofbeco ming trap ped
du eto thesof tto plowe ring une xpect‐
ed ly
If yo udo notfull yopen /close thesof tto p,
th esof t-to phy draulics willdepr essur izeafte r
a shor ttim e. #
Alw aysfully open orclose thesof tto p. If
th esof tto phas notbeen completely lock ed,
th emultifunc tiondispla ywill showtheOpen/
Close Convert ibleTop Completely message.In
addition, youwill hear awa rning tone forup to
te nseco ndswhile dr ivi ng. #
Stop theve hicle immediat elyinaccor dance
wit hth etraf fic condi tions. #
Makesur eth at theignition isswitc hedon. #
Fully clos eth esof tto pusing thesof t-to p
switc h. Opening
andclosingthetrunk partition The
trunk partition covers lugg ageor loads in
th etrunk .
The softto pcan beopened onlywhen thetrunk
par tition isclosed.
* NO
TEDama getothesof tto por load
due tolong objects The
softto por load maybe damag edwith
th esof tto popen. #
Donotplace anyove rly lon gobj ects
in side orbehi ndtheside parcel nets
when thetrunk partition isopen. #
Mak esur eth at theload does notpush
th etrunk partition upw ards. #
Press butt on1.
Tr unk partition 2will open orclo seaut o‐
mat icall y. Ac
tiv atin gor deac tivatin gAI RC AP AI
RCA Pre duces thedr aftin thefront and rear
passe nger com partment swhen youar edr ivin g
wit hth esof tto popen. 74
Opening andclosing

Pa
rticular lytur bulent aircan reduce theef fect of
AIR CAP.This canarise when youar edr ivin g
behin dano ther vehicle orifth er eis acr osswind,
fo rex am ple.
AI RCA Pcons ists of thefo llo wing compone nts:
R Awind deflect orabo vethewindshield
R Awind screen behind thetw ore ar seat head
re stra int s
When AIRC AP isacti vated, thewind deflect or
and thewind screen willextend simu ltane ously .
AIR CAPcan beactiv ated ordeactiv ated at
speeds ofup toappr oximat ely10 0mp h
(1 60 km/ h). &
WARNIN GRisk ofbeco ming trap ped
whe nre tracti ngAIR CAP
Some bodycou ldbeco metrap ped . #
Makesur eth at nobody holds ontothe
upper frame ofthewindshield or
to uc hes thewind deflect ororwind
scr een. #
Switc hon theignition . #
Foldthear mr estupw ards . #
Toactiv ate: press butt on1.
AIR CAPwill extend and theindicat orlam ps
on butt on1 will light up. #
Todeac tivate: press button 1 again.
AIR CAPwill retract and theindicat orlam ps
on butt on1 will goout. If
th eve hicle ispar kedwit hth esof tto popen
and theignition isswitc hedoff,AIR CAPwill
re tract automatical ly.
When youre star tth eengine afte rha ving been
par ked, AIR CAPwill extend again au tomatical ly. Ins
tall ing and remo ving the folding wind
scr een &
WARNIN GRisk ofacci dent whenus ing
th ewind screen inpoor visibility condi‐
tion s
The wind screen impair syo ur vie wto the
re ar. #
Use thewind screen onlyin good visibil‐
ity con ditions . &
WARNIN GRisk ofacci dent andinjury
due toan incorrectl yins talled wind
scr een
The wind screen maybecom eloose while
yo uar edr ivin gand endan gerot her road
user s. Open
ingand closing 75

Pe
rfor m thefo llo wing steps inseq uence onboth
sides oftheve hicle: #
Pull handle 5inthedir ect ion ofthear row . #
Align folding windscreen 1withside fixtur e
4 ontheve hicle from aboveand insert. #
Push handle5onfolding windscreen 1
bac kas faras itwil lgo.
Fo lding windscreen 1isloc ked. Fo
llowtheins truction sin reve rseor der to
re mo vethefo lding windscreen. Pr
oblems withth esof tto p The
softtopwi llno tope nor clos e.
Po ssible causes:
R The ignition isno tswitc hedon. #
Mak esur eth at theignition isswitc hedon.
R The brak epedal isno tdepr essed withth e
ve hicle statio nary. #
Dep ress thebr ak epedal.
R The trunk partition isno tclosed. #
Remo veoverhanging luggageand close the
tr unk partition .
R The trunk lidisopen . #
Close thetrunk lid(/ page67 ).
R Theso fttophas been opened andclosed
se veraltim esinarow .The softto pdr ive has
been switchedoffaut omatic allyand willbe av
ailable again afte rapp roxima tely ten
minut es. #
Repeat theopening orclosing procedur e
af te rapp roxima tely tenminu tes.
R Youar edr ivin gat aspee dgr ea terth an
37 mph(60 km/h). #
Reduce your spee dto belo w37 mph
(60 km/ h).
R The softto pmec hanical componen tsor con ‐
tr ol system aredef ective. #
Consult aqu alif ied spec ialistwo rkshop. Side
windo ws Opening
andclosing theside windo ws &
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. Openin
gand closing 77

#
When opening, makesur eth at nobody
is touc hin gth eside windo w. #
Ifsomeone istrappe d,release thebut‐
to nimm ediate ly or pullit in order to
clos eth eside windo wag ain. &
WARNIN GRisk ofbeco ming trap ped
whe nclos ingasid ewi ndo w
Whe nclos ingasid ewi ndo w,body parts
could betrapped intheclosing area inthe
pr ocess. #
When closing,mak esur eth at no body
par tsarein theclosing area. #
Ifsomeon eis tra pped, release thebut‐
to nimm ediate ly or pres sth ebutt onin
or der toreopen theside windo w. &
WARNIN GRisk ofbeco ming trap ped
whe nch ildr enopera tetheside windo ws
Childr encould become trapped ifth ey oper‐
at eth eside windo ws,par ticular lywhen unat‐
te nde 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. Re
quirement s:
R The powe rsupp lyor theignition isswitc hed
on. 1
Closes
2 Opens
The buttons onthedr iver's door take prece‐
denc e. #
Tostar taut omatic operation :pr ess the
0062 buttonbeyond thepoint ofresis tance
or pulland release it. 78
Opening andclosing

#
Tointerru pt aut omatic operation :pr ess or
pul lth e0062 buttonagain.
% Automatic operation forclosi ngisavailable
on lyforth efront side windo ws.
When theve hicle isswitc hedoff,th eside win‐
do ws can continu ebei ng ope rated.
This function isavailable forar ound four min utes
or unt ila door isopen ed. All
side windowscanbeope ned orclos edsim ul‐
ta neou slyusing button 1. #
Swi tchon theignition . #
Toopen: press and hold button1 tothe
point ofresis tance. #
Toopen fully:pr ess and holdbu tton 1
be yond thepoint ofresis tance. #
Toclose: pulland hold button1.
Au tomatic reve rsing funct ionoftheside win‐
do ws
If an object impedes aside windo wdur ing the
clos ingproces s,theside windo wwill open 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. fin‐
ge rs.
R Dur ing rese ttin g.
The reve rsing func tion cannotpr eve ntsom e‐
one from becomi ngtrap pe din these situa‐
tion s. #
Dur ing theclosing process, makesur e
th at no body partsarein theclosing
ar ea. #
Ifsomeon ebecomes trapped, press the
0062 buttontoopen theside windo w
ag ain. Openin
gand closing 79