ignition MERCEDES-BENZ S-CLASS CABRIOLET 2020 Owner's Manual

Re
stra int system functiona lity When
theignition isswitc hedon,aself-t estis
per form ed, during whic hth e0075 restra int sys‐
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
If th ere stra int system ismalfunct ioning,
re stra int system com ponen tsma ybe trig‐ ge
redunint entionall yor ma yno tdeplo yas
int ended during anacciden t.This mayaf fect
th eEmer gency Tensi oni ng Device sor air‐
ba gs, forex am ple. #
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 ofth
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 of vehicle 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, forex am‐
ple, this ma yre sult insuf ficie ntly highleve ls of
ve hicle deceler ation. 34
Occupant safety

#
Swi tchon theignition . #
Press seat beltextende rbu tton 1.
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 seat beltextende rbu tton 1
ag ain in this case, theseat beltextende rwi ll
ex 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 1
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: Occu
pant safety 39

Fu
nction ofthePA SSEN GERAIRBAGindic a‐
to rlam ps Se
lf-te st of aut oma ticfront passeng erfront
air bag shutoff
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 erfront airbag is
displa 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 erfront airbag isable
to deplo yin theeve ntofan acci dent.
R PASSENGER AIRBAGOF Flight sup con tinu‐
ousl y:thefront passeng erfront airbag isdis‐
abled. Itwill then notbe deplo yedin the
eve 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
fr ont airbag. ThePASSENGER AIRBAGOF Find i‐
cat orlam 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 upsimultaneousl 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 fron tair‐
bag shut offch eckedand repair edimmediat elyat
a 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 erfront airbag iscor rect
fo rth 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 erfront
airbag isenabled
If yo usec ureach ild inare ar wa rd-faci ng
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 isdeactiv ated. The PASSENGER AIRBAG
OFF indicat orlam pmus tbe lit. 46
Occupant safety

*
NO
TEDama getothesof tto pcaused by
hea vyobjects Hea
vyobject splaced onthesof t-to pcom‐
par tmen tco vercan dama gethesof tto por
sof t-to pcom partmen tco ver. #
Donotpl ace heavyobj ects on thesof t-
to pcom partmen tco ver. #
Donotsi ton thesof t-to pcom partmen t
co ver. 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 t-to p
opening orclosing procedur e
If th eve hicle speed exceeds 37mph
(60 km/ h),thesof tto pstops during the
opening orclosing procedur e.
This impair syo ur vie wto there ar. #
Reduce theve hicle speed tobelo w
37 mph(60 km/h) orstop theve hicle,
pa ying attention toroad and traf fic con‐
di tions . #
Ope rate thesof t-to pswitc hag ain in
or der toopen 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 ewill besho wnonthemultifunc tiondispla y. 78
Opening andclosing

#
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. 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 depressur izeafte ra
shor ttime.
This caus esthesof tto pto lowe rune xpect‐
edly andmaycaus eyo uor other sto be trap‐
ped. #
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 orbeh ind th eside 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
com partment swhen youar edr ivin gwit hth e
sof tto popen. Openin
gand closin g79

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 both rear seat head
re stra int s
When AIRCA Pis activ ated, 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
It is possib leforper sons tobecome trapped
when retracti ngAIR CAP. #
Mak esur eth at per son sdo nothold
on to theupper frame ofthewindshield
and donotto uc hth ewind deflect oror
th ewind screen. #
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,par ticular lywh en dark or inpoor visibil‐
ity condit ions. #
Onlyuse thewind screen ingood visi‐
bility conditions . 80
Openin gand closing

Pr
oblems withthesof tto p Pr
oblem
Possible causes/conseq uencesand0050 0050
Solutions
The softto pwill notopen orclose. The
ignit ionisno tswitc hedon. #
Mak esur eth at theignition isswitc hedon.
The trunk lidisopen. #
Close thetrunk lid(/ page72 ).
The trunk partition isno tclosed. #
Remo veoverhanging luggageand close thetrunk partition.
The softto pmec hanical componen tsor con trol system aredef ective. #
Visit aqu alif ied spec ialistwo rkshop.
The softto phas been opened andclosed severaltim esinarow .The softto pdr ive has been switchedoff
aut omatic allyand willbeavailable again afte rapp roxima tely tenminu tes. #
Repeat theopening orclosing procedur eaf te rapp roxima tely tenminu tes.
Yo uar edr ivin gat aspee dgr ea terth an 37 mph(60 km/h). #
Reduce your spee dto belo w37 mph(60 km/h). Opening
andclosing 83

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. #
When opening ,mak esur 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. 84
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 blocksaside windowduring 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. 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. Openin
gand closing 85

Pr
oblem
Possible causes/conseq uencesand0050 0050
Solutions #
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 we ak ordisc harged. #
Chec kth ebatt eryusing theindicat orlam pand replace itifnec essar y(/ page64 ). Anti-t
heftpr otection Fu
nction oftheimm obiliz er The
immo bilizerpreve nts your vehicle from being
st ar tedwit hout thecor rect Smar tKey .
The immobilizer isaut omaticall yactiv ated when
th eignition isswitc hedoffand deactiv ated when
th eignition isswitc hedon. When
leaving theve hicle, alwaysta ke theSmar t‐
Ke ywit hyo uand lockth eve hicle. Anyone can
st ar tth eengine ifava lid Smar tKey has been left
inside theve hicle.
% Intheeve nttheengine cannotbe star ted
(y et theve hicle ’sbatt eryis ch arge d), the
sy stem isno toper ational. Contactan
aut hor ized Mercedes- BenzCenteror call 1-8
00-FOR-MER Cedes (intheUS A)or
1-8 00-387-0 100(in Canada). ATA
(anti-thef tala rm system) Fu
nction oftheATA system
If th eATA system isarmed, avisual andaudible
alar mistrigg ered inthefo llo wing situat ions:
R When adoor isopen ed 88
Openingand closing