key MERCEDES-BENZ S-CLASS CABRIOLET 2020 Owner's Guide

#
When opening orclosing, makesur e
th at no body partsarein thevicinit yof
mo ving componen ts. #
Release thebutt onifsomebody
becomes trapped. #
Press and hold theß buttononthe
Smar tKey .
The follo wing functionsar eper form ed:
R The vehicle isloc ked.
R The softto pis closed. The
side windo wsareclo sed when the
sof tto pis closed. #
Tointerru pt con venience closing: release
th eß button.
% Con venie nce closing can also be operated
wi th KEYLESS- GO(/ page68). Pr
oble mswith theside windo ws &
WARNIN GRisk ofbeco ming trap ped or
fa ta lly injured ifre ve rsing protect ion is
no tactiv ated
If yo uclo seaside windowagain imm ediat ely
af te rit has been blocked, theside windo w will
close withincr eased ormaximum forc e.
The reve rsing featur ewill then notbe activ e.
Pa rts of thebody could become trapped in
th eclosing area inthepr ocess. #
Mak esur eth at no par tsof thebody are
in theclosing area. #
Tostop theclosing process, release the
butt onorpress thebutt onagain tore-
open theside windo w. Pr
oblem
Possible causes/conseq uencesand0050 0050
Solutions
A side windo wcann otbe closed and
yo ucan notsee thecause. #
Chec kto see whether anyobjec tsarein thewindo wguide. #
Adjus tth eside windo ws.
Ad jus tingthe side windo ws
If aside windo wisobs truct eddur ing closing andreopens again immediat ely: Opening
andclosing 87

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

R
When thetrunk lidisopened
R When thehood isopened
R When theglove boxis opened
The ATA system 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 inthestow agecom partment
(/ page13 6)
% WhentheMer 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 318).
% 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 themar kedspace (/page13 6)
Dea ctivat ingth eala rm using KEYLESS-GO #
Grasp theoutside doorhandle withth e
Smar tKey outside theve hicle. Opening
andclosing 89

#
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. The
seats canbeadjus tedwhen theignition is
switc hedoff. &
WARNIN GRisk ofbeco ming trap ped
whe nad jus ting theseats
When youadj usta seat ,yo uor other vehicle
occupants couldbecome trapped, e.g.onthe
seat guide rail. #
When adjustingaseat, makesur eth at
no onehas anybody partsinthesw eep
of theseat. Obser
vethesaf etyno teson "Airbags" and"Chil‐
dr en intheve hicle". &
WARNIN GRisk ofinju ryfrom adju sting
th eve hicle settin gswhile theve hicle isin
mo tion
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ions:
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: adjustth e
dr iver's seat, thehead restra int ,th e
st eer ing wheel orthemir rorand 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. Childr
eninpar ticular couldacciden 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 swhic har eno tins talled orare
adjus tedinco rrect ly
If head restra int sar eno tins talled orare
adjus tedincor rectly ,th ehead restra int scan ‐
no tpr ov ide protect ion asintended.
Ther eis an incr eased risk ofinjur yin the
head andneckar ea, e.g. intheeve ntofan
acci dent or wh en braki ng. #
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. Seat
sand stow ing 91

#
Toswitc hon/incr easetheleve l:pr ess but‐
to n1 repeat edly until thedesir edheating
le ve lis set.
Depe ndingon theheating leve l,up tothre e
indic ator lam pswill light up. #
Toswitc hof f/r educe theleve l:pr ess but‐
to n1 repeat edly until thedesir edheating
le ve lis set.
If all theindicat orlam psareof f,AIRSC ARFis
switc hedoff.
% When switchingon,theblo werwil lst ar tup
on lyafte ra pr ehea tingphas elas ting afe w
seconds.
Af terswitc hingoff,th eblo werwil lcontinue
to runfo ra fe w sec ond sto cool down the
heating elements.
% Ifth eve hicle batteryvo ltag eis toolow, AIR ‐
SC ARF maysw itchof f. #
Adjus tth eAIRSC ARFvent (/ page 134).
Ma kesur eth at ther ear eno objec tscovering the
int akegr ille onthebac 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 electrically &
WARNIN GRisk ofinju ryfrom adju sting
th eve hicle settin gswhile theve hicle isin
mo tion
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ions:
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: adjustth e
dr iver's seat, thehead restra int ,th e
st eer ing wheel orthemir rorand 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. The
steer ing wheel canbeadjus tedwhen the
po we rsupp lyis disco nnect ed. 10
0
Sea tsand stow ing

If
th er eis arisk ofbecoming trapped bythe
st eer ing wheel: #
Movetheadjus tmentle ve rof thesteer‐
ing wheel.
The adjus tmentpr ocess isstopped.
If th er eis arisk ofbecoming trapped bythe
dr iver's seat: #
Press theseat adjus tmentswitc h.
The adjus tmentpr ocess isstopped. Ve
hicl eswith memor yfuncti on:Youcan stop
th eadjus tmentpr ocess bypressing oneofthe
memor yfunction position switc hes. &
WARNIN GRisk ofbeco ming trap ped
du ring acti vatio nof theeasy entryand
ex itfeatur eby childr en
If ch ildr enact ivat eth eeasy entryand exit
fe atur e,they can beco metrap ped ,pa rticu‐
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
% The steer ing wheel willmoveupw ards onlyif
it is no talr eady ashigh asitwill go.The driv‐
er's seat willmovebac kwards onl yif it is no t
alr eady inthere ar mos tposit ion.
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 willbestor ed when:
R Youswit chtheignition off.
R Vehicl eswith memor yfuncti on:Youcall
up theseat settings viathememor yfunc tion.
R Vehicl eswith memor yfuncti on:Yousa ve
th eseat settings viathememor yfunc tion.
Ve hicl eswith memor yfuncti on:Press one of
th ememor yfunc tion save dposition buttons to
st op theadjus tmentpr ocess. 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. 10
2
Sea tsand stow ing

Oper
ating themem oryfun ction &
WARNIN GRisk ofan acci dent ifth e
memor yfunction isused whiledriving
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 whense t‐
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 these tting procedur eof the
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. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. The
memor yfunct ioncan beused when theigni‐
tion isswitc hedoff.
St oring
The mem oryfun ction isonl yav ailable invehicles
wit hth ememor ypac kage .
Sea tad jus tments forup tothre epeople canbe
st or ed and called upusing thememor yfunc tion. The
follo wing settings canbestor ed forth efront
seats:
R Seat, backres t,head restra int posit ionand
con tour oftheseat backres tin thelumbar
re gion
R Activemu lticont ourse at:si de bolste rs of the
seat backres t,shoulde rof theseat backres t,
con tour oftheseat backres t,dynamic func‐
tion leve l
R Sea thea ting: dist ribution oftheheat edsec‐
tion sof theseat cushion andseat backres t
R Driver's side: steer ing wheel position and
position oftheoutside mirrors on thedr iver's
and front passeng ersides
R Head-up Display Seats
andstow ing 10
3

St
ow agespace sin theve hicl eint erior Ov
ervie wof thefront stowage com part‐
men ts &
WARNIN GRisk ofinju rydue toobject s
being stowe dincor rectl y
If yo udo notadeq uatelyst ow object sin the
ve hicle interior ,th ey cou ldslipor be tossed
ar ound andther eb yst rike vehicle occupants.
In addition, cupholder s,open stow age
spac esand mobi lephon ebr ac kets cann ot
alw aysre stra in theobjec tsthey cont ain in
th eev ent ofan acciden t.
Ther eis arisk ofinjur y,par ticular lyin the
ev ent ofsudden braking orasudden chang e
in dir ect ion. #
Alw aysst ow object sin suc hawa yth at
th ey canno tbe tossed about inthese or
similar situation s. #
Alw aysmak esur eth at obj ect sdo not
pr oject from stow agespac es,parcel
ne ts or stow agene ts. #
Close theloc kable stow agespac es
bef orest ar tin gajo ur ne y. #
Alw aysst ow and secureobj ect sth at
ar ehea vy,har d,poin ted, shar p-edg ed,
fr agile ortoolarg ein thetrunk . Obser
vetheno teson loadi ngtheve hicle. 1
Stow agespac ein thedoor s
2 Stow age/t eleph onecom partment inthe
ar mr estwit hmult imed iaand USBpor tsas
we llas stow agespac e,e.g .fo ran MP3
pla yer 3
Stow agecom partment inthefront cent er
con sole
4 Glovebox
Loc king/unloc kingthegl ove box #
Turn theemer gency keya qu artertur ncloc k‐
wis e0048 (to loc k)or count er-cloc kwise 0047(to
unloc k). 10
6
Sea tsand stow ing

Dr
ivin g No
teson Mer cedes- AMGvehicl es Obser
vetheno teson thefo llo wing topics inthe
Sup pleme nt,asyouma yot her wise failto recog‐
nize dangers:
R RACE STAR T
R AMG adaptivespo rtsuspension system
R (DYN AMIC SELECT switch)drive pr og rams
R Functio nsofESP ® Sw
itchin gon the powe rsupp lyor theigni‐
tion (without engine star t) &
WARNIN GRisk ofacci dent andinjury
due tochildr enleftunat tende din the
ve hicle
If ch ildr enarelef tunat tende din theve hicle,
th ey cou ld:
R Ope ndoo rs,th er eb yendang ering other
per sons orroad user s. R
Getout and bestru ck byoncom ingtraf‐
fi c.
R Ope rate vehicle equipment andbecome
tr apped, forex am ple.
In addit ion,th ech ildr encould alsosetth e
ve hicle inmo tion, forex am ple by:
R Releasing thepar king brak e.
R Changing thetra nsmiss ionposition .
R Startin gth eve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eke ywit hyo uand lockth eve hicle. #
Keep theve hicle keyout ofreac hof
ch ildr en. Also
obser vethe"No teson pets intheve hicle".
Re quirement s:
R The Smar tKey islocat edintheve hicle and
th eSmar tKey batt eryis no tdisc harged.
R The brak epedal isno tdepr essed. #
Toswitc hon thepo we rsupp ly:pr ess but‐
to n1 once .
Yo ucan activat eth ewindshield wipers,for
ex am ple.
The powe rsupp lyis switc hedoffag ain ifth efo l‐
lo wing condition sar eme t:
R Youopen thedr iver's door .
R Youpr ess button1 twice mor e. Dr
iving and parking 13
5

#
Toswitc hon theignit ion:press butt on1
twic e.
The indic ator lam psintheins trument cluster
light up.
The ignit ionisswitc hedoffag ain ifone ofthe
fo llo wing condition sis me t:
R Youdo notst ar tth eve hicle within
15 minut esand thetransmission isin posi‐
tion 005Dortheelectr icpar king brak eis
applied.
R Youpr ess button1 once . St
arting theve hicl e St
arting theve hicl ewith thest ar t/s topbut‐
to n &
DANG ER Risk ofdeat hcause dby
ex haus tga ses
Combus tionengines emitpoisonous exhaus t
ga ses suchas carbon monoxide.Inhaling
th ese exhaus tga ses ishazar dous tohealt h
and leads topoisonin g. #
Neverlea vetheengine or,if pr esent ,
th eauxiliar yheating running inan
encl osedspa cewithout sufficie ntventi‐
la tio n. &
WARNIN GRisk offire due toflammab le
mat erial intheengine compartmen tor
th eex haus tsy stem
Flammable materials brought inby either ani‐
mals orenvironmen talinf luenc esma yignit e
if th ey come intocont actwith hotpar tsof
th eengine orexhaus tsy stem. #
Ther efor e, checkre gular lythat ther e
ar eno flammab lemat erials inthe
engine compartmen tor on theex haus t
sy stem. Re
quirement s:
R The Smar tKey islocat edintheve hicle and
th eSmar tKey batt eryis no tdisc harged. #
Shif tth etra nsmiss iontoposition 005Dor005C. #
Depr essthebr ak epedal andpress butt on
1 onc e. #
Ifth eve hicle does notst ar t:switc hof fnon-
essential consumer sand press butt on1
once. #
Ifth eve hicle still does notst ar tand the
Place theKey inthe Marked SpaceSee
Operator's Manualdisplaymessag ealso
appear sin themultifunc tiondispla y:star t
th eve hicle inemer gency operati on mod e.
% Youcan switchoffth eengine whiledriving
by pressing button1 forabo utthre esec‐
onds orby pressing button1 thre etimes
wit hin thre esecon ds.Besureto obser vethe
saf etyno tesunder "Driving tips"
(/ page14 0).
St arting theve hicl ewith Smar tKey inthe
ma rked spa ce(emer gency oper ation mode)
If th eve hicle does notst ar tand thePlace the
Key inthe Marked SpaceSeeOperator 'sManual
displa ymessag eappear sin themultifunc tion
displa y,yo ucan star tth eve hicle inemer gency
op erati on mod e. 13
6
Driving and parking