2021 MERCEDES-BENZ S-CLASS CABRIOLET sensor

*
NO
TEImpairment oftheoper ating effi‐
cie ncy ofthere stra int systems from
ins talling accessor ypar tsor from repair s
or we lding Air
bags andEmerge ncy Tensi oni ng Device s,
as wellas con trol unit sand sensorsfo rth e
re stra int systems, maybe installed inthefo l‐
lo wing areas ofyour vehicle:
R Door s
R Door pillars
R Doo rsi lls
R Sea ts
R Cockpit
R Instrument cluster
R Cen terconsole
R Lateral roof frame #
Donotins tallacc essor ypar tssuc has
audio systems inthese areas. #
Donotcar ryout repair sor we lding. #
Have afte rm arke tins tallation ofacc es‐
sor ies carried out ataqu alif ied spec ial‐
is two rkshop. Yo
uco uld jeopar dizeth eoper ating safetyof your
ve hicle ifyo uuse parts,tir es and wheel sas well
as acc essor iesreleva nt tosaf etywhic hha ve not
be en approve dby Mer cedes-Ben z.Saf ety-re le‐
va nt systems, e.g.thebr ak esy stem, maymal‐
func tion.Onl yuse Mercedes- BenzGenuineP arts
or par tsof equal qualit y.Onl yuse tires, wheels
and accessor ypar tsthat have been specif ically
appr ovedfo ryo ur vehicle model.
Mer cedes-Ben zGenuineP arts aresubject to
st rict qualit yins pec tions.Eac hpar thas been
spec iallyde veloped, manufactured orselec ted
fo rMer cedes-Benz vehicles andadap tedto
th em. Ther efor e, onl yMer cedes- BenzGenuine‐
Pa rts should beused.
Mor eth an 300,0 00 differe nt Mer cedes-Be nz
Ge nui neP arts areav ailable forMer cedes-Benz
model s.
All author ized Mercedes-B enzCent ersmaint ain
a supply ofMer cedes-B enzGenuineP arts for nece
ssaryser vice andrepair work.In addition,
st ra tegically locatedpar tsdeliv erycent erspr o‐
vide forqu ick and reliable partsser vice .
Alw aysspecify theve hicle identif ication number
(VIN) (/page39 7) when order ing Mer cedes-
Benz GenuineP arts. Oper
ator's Manual
This Oper ator's Manual describesallmodels and
all standar dand optio nal equipme ntavailable for
yo ur vehicle atthetime ofthis Opera tor's Man‐
ua lgoing topress. Countr y-specif icdif fere nces
ar epo ssi ble. No tethat your vehicle mayno tbe
eq uipped withall featur esdesc ribed. Thisisalso
th ecase forsy stems andfunc tionsre leva nt to
saf ety. Ther efor e, theeq uipment onyour vehicle
ma ydif ferfr om that inthedescr iption sand illus‐
tra tion s.
The original purchase agreement foryo ur vehicle
cont ains alis tof all ofthesy stems inyour vehi‐
cle.
Should youha ve anyqu estion scon cerning
eq uipment andoper ation, please consult an
aut hor ized Mercedes- BenzCenter. 22
Gener alno tes

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

R
Alw aysst ow and secureobj ect scor rectl y.
Objects intheve hicle interior maypr eve ntan
ai rba gfrom func tioning correctly .Eac hve hicle
occupant mustalw aysmak esur eof thefo llo w‐
ing inpar ticular :
R Ther ear eno people, animals orobje cts
be tween theve hicle occupants andanair‐
bag.
R Ther ear eno object sbe tween theseat, door
and door pillar (B-pillar).
R Ther ear eno har dobjec ts,e.g. coat hangers,
hanging onthegr ab handles orcoat hooks.
R Ther ear eno accessor ypar ts,suc has mobile
na vig ation devices, mobile phones orcup
holder s,att ached totheve hicle within the
deplo yment area ofan airbag, e.g.onthe
coc kpit, onthedoor ,on theside windo wor
on theside walltrim.
In addition ,no con nectingcables, tensi oni ng
st ra ps orretainin gst ra ps mus tbe routed or
attac hedtotheve hicle within thedeplo y‐
ment area ofan airbag. Alwayscom plywith
th eaccessor ymanuf acturer'sinstallation ins
truct ions and, inpar ticular ,th eno teson
suit able places forins tallation .
R Ther ear eno hea vy,shar p-edg edorfragile
obje ctsin thepoc kets of your clo thing. Store
suc hobject sin asuit able place. Limit
edprotection prov ided byairbags &
WARNIN GRisk ofinju rydue tomodif i‐
cations totheco verof an airb ag
If yo umod ifytheco verof an airb agoraffix
object ssuc has sticke rs to it,theairbag may
no long erfunc tion correctl y. #
Nevermodify theco verof an airb agand
do notaf fix obje ctstoit. The
installation locationofan airbag isident ified
by theairbag symbol (/page40). &
WARNIN GRisk ofinju ryor deat hdue to
th euse ofunsuit ableseat covers
Due touns uitable seat covers,th eairbags
cann otprotect vehicle occupants asinten‐
ded.
In addition, theoper ation oftheaut omatic
fr ont passeng erairbag shutoffcould be
re strict ed. #
Yousho uld onlyuse seat covers that
ha ve been approved forth ecor respond‐
ing seats byMer cedes-Ben z. &
WARNIN GRisk ofinju rydue tomalfu nc‐
tioning sensorsin thedoor
The func tion oftheairbags canbeimpair ed
due tomodif icationsorincor rect wo rkper‐
fo rm ed on thedoor sor door trim, orifth e
door sar edamag ed. #
Nevermodify thedoor sor par tsof the
door s. 42
Occupant safety

#
Ensu rethat no body partsarein the
clos ingarea . #
Ifsome oneistrap ped ,us eone ofthe
fo llo wing option s:
R Press the008B buttononthe
Smar tKey .
R Press there mo teoper ating switch
on thedr iver's door .
R Press theclosing orloc king button
on thetrunk lid.
R Press theto pof theMer cedes star
on thetrunk lid. HANDS-FREE
ACCESS function Wi
th HANDS-FREE ACCES Syo ucan open ,clo se
or interru pt trunk lid mo vement byper form ing a
kic kin gmo vement under there ar bum per.
The kickin gmo vement trigg ersth eopening or
closing process alternat ely.
Obser vetheno teswhen opening (/page66)
and closing (/page67 )th etrunk lid. %
Awa rning tone sou nds while th etrunk lidis
opening orclosing. &
WARNIN GRisk ofburnscaused byaho t
ex haus tsy stem
The vehicle exhaus tsy stem can become very
ho t.Ifyo uuse HAND S-FRE EAC CES S,you
cou ldbu rn yourself bytouc hin gth eex haus t
sy stem. #
Alw aysensur eth at youon lyma kea
kic king movement within thede tection
ra ng eof thesensor s. *
NO
TEDama getotheve hicle caused by
unin tentio nallyopening thetrunk lid R
When usinganaut omatic carwash
R When usingahigh pressur ecleaner #
Deactiv ateKEYLES S-GOormak esur e
th at theSmar tKey locat edisat leas t
10 ft(3 m) away from theve hicle in
suc hsituations. Opening
andclosing 69

When
making thekic king movement, makesur e
th at youar est andi ngfirm lyon thegr ound. You
cou ldother wise loseyour balan ce,e.g.on ice.
Obs erve thefo llo wing notes:
R The Smar tKey isbehin dth eve hicle.
R Stand atleas t12 in(30 cm) away from the
ve hicle while perform ing thekic king move‐
ment.
R Donotcome intocont actwithth ebum per
while making thekic king movement.
R Donotcar ryout thekic king movement too
slo wly.
R The kicking movement mustbe towa rdsth e
ve hicle andbackag ain. 1
Detection rang eof thesensor s
If se veralcon secut ive kic kin gmo vements are
no tsuccessfu l,wa itte nseco nds.
Sy stem limit s
The system maybe impair edorma yno tfunc tion
in thefo llo wing cases :
R The sensorsar edir ty,e.g. due toroad salt or
sn ow .
R The kicking movement ismade using apr os‐
th etic leg. The
trunk lidcould beopen edorclos edunin ten‐
tio nal ly,in thefo llo wing situat ions:
R Ifaper son 'sarms orlegs aremo vingin the
sensor detection rang e, e.g .wh en polishi ng
th eve hicle orpic king upobject s.
R Ifobject sar emo vedor placed behind the
ve hicle, e.g.tensi oni ng stra ps orlugg age.
R Ifclam ping stra ps, tarp sor other coverings
ar epu lled ove rth ebum per.
R Ifapr otect ive mat withalengt hre ac hin g
ov er thetrunk silldown intoth ede tection
ra ng eof thesensor sis used.
R Ifth epr otect ive mat isno tsecur edcor rectly .
Deacti vate KEYLESS- GO(/ page60) ordo not
car rytheSmar tKey about your per son insuc h
sit uatio ns. Swit
ching separ atetrunk locking onoroff If
yo ucen trall yunlo cktheve hicle while separate
loc king isactiv ated, thetrunk willremain locked. 70
Openin gand closin g

Cor
nering light Cor
nering light function The
corner ing light improve sth eillumination of
th ero ad ove ra wid eang lein thetur ning direc‐
tion ,enabling better visibility ontight curves, for
ex am ple. Itcan beact ivat ed onlywhen thelow
beam isswitc hedon.
The func tion isactiv ein thefo llo wing cases :
R Atspeeds below25 mph(4 0km/h) when
th etur nsignal lightisswitc hedonorthe
st eer ing wheel istur ned R
Atspeeds between 25mph(40 km/h) and
45 mph(70 km/h) whenthesteer ing wheel
is tur ned Ad
aptiv eHighb eamAssist Ad
aptiv eHighb eamAssistfuncti on &
WARNIN GRisk ofacci dent despite
Ad aptiveHig hbeam Assis t
Ad aptiveHig hbeam Assis tdoes notre act to:
R Road user swit hout lights,e.g .pedes ‐
tr ians
R Road user swit hpoor lighting,e.g .
cy clis ts
R Road user swhos elight ingisobs truct ed,
e.g .by abar rier
On very rare occasions, AdaptiveHig hbeam
As sis tma yfa ilto recogni zeother road user s
wit hth eir ownlighti ng,orma yre cogni ze
th em toolat e.
In these, orinsimilar situation s,theaut o‐
matic highbeam willnotbe deactiv ated or will
beactiv ated despit eth epr esenc eof
ot her road user s. #
Alw aysobser vethero ad and traffic
condi tions carefu llyand switchof fth e
high beam ingood time. Ad
aptiveHig hbeam Assis tcan notta ke into
acc ount road, weather ortraf fic condi tions.
De tection maybe restrict ed inthefo llo wing
cases :
R Inpoor visibilit y,e.g. fog, hea vyrain or sno w
R Ifth er eis dir ton thesensor sor thesensor s
ar eobscur ed
Ad aptiveHig hbeam Assis tis on lyan aid. Youar e
re sponsible foradju sting theve hicle's lighting to
th epr eva iling light,visibilit yand traffic condi ‐
tions . 11
0
Light andvisib ility

The
AdaptiveHig hbeam Assis taut omat ically
swit ches between thefo llo wing types oflight :
R Lowbeam
R High beam
At speeds great erthan 19 mp h(3 0km/h):
R Ifno other road user sar ede tected, thehigh
beam willbeswitc hedonaut omaticall y. The
high beam switchesoffaut omaticall yin the
fo llo wing cases :
R Atspeeds below16 mp h(25 km/h).
R Ifot her road user sar ede tected.
R Ifstre et light ingissuf ficie nt.
At speeds great erthan appr oximat ely31 mp h
(50 km/ h):
R The headlam pra ng eof thelow beam isregu‐
lat ed aut omatically basedonthedis tance to
ot her road user s.
The system's optical sensor islocat edbehind
th ewindshield neartheov erhead control panel.
Switc hingAdaptiv eHighb eamAssiston/ off #
Toswitc hon: turnth elight switc hto
th e0058 position . #
Switc hon thehigh beam usingthecombin a‐
tion switc h.
When thehigh beam isswitc hedonaut omat‐
icall yin thedar k,the00CE indicat orlam pon
th emultifunc tiondispla ywill light up. #
Toswitc hof f:switc hof fth ehigh beam
using thecombin ationswitch. Switc
hingtheda ytime running lampson/of f Multimedia
system:
4 Vehicle 5
÷ LightSetting s
5 Daytime Run.Lights #
Activate0073 ordeacti vate 0053 thefunc tion. Se
tting theex terior light ingswitc h-of fdela y
tim e Mult
imedia system:
4 Vehicle 5
÷ LightSetting s
5 Ext.Light SwitchOff #
Setth eswitc h-offdela ytime. Se
tting thesur round lighting Mul
timedi asy stem:
4 Vehicle 5
÷ LightSetting s
5 Locat orLightin g #
Activate0073 ordeacti vate 0053 thefunc tion.
If th esur round lightingisswit ched on, theex te‐
ri or lighting remains litfor40 seconds afte rth e Light
andvisib ility 111

Fo
lding theout side mirrors in/out #
Brief lypress butt on1.
Re setting theout side mirrors
% Ifth ebatt eryhas been discon nectedorcom‐
ple tely disc ha rged ,th eoutside mirrors mus t
be rese t.Onl yth en will theaut omatic mirror
fo lding function workproper ly. #
Brief lypress butt on1. Ad
jus tingthe outsi de mir rors #
Select there qu ired mir rorusi ng butt on3 or
4. #
Use button2 tosetth eposition ofthemir‐
ro ryo uha ve select ed.
Eng aging theout side mirrors #
Press and hold button1.
Yo uwill hear aclic kand themir rorwil lau di‐
bl yclic kint opla ce. The mirrorwil lno wbe
se tto thecor rect pos ition. Au
tomatic anti-glar emir rors functio n &
WARNIN GRisk ofaci dbu rnsand poi‐
soning duetotheanti- glar emir rorelec‐
tr olyt e
Electr olytema yescap eif th eglass inan
aut omat icant i-glar emir rorbr eak s.
The electr olyteis hazardous tohealt hand
causes irrita tio n.Itmu stnotcome intocon‐
ta ct with your skin, eye s,respir ator yor ga ns
or clo thing orbe swallo wed. #
Ifyo uco me intoco ntact withelec tro‐
ly te ,obser vethefo llo wing:
R Imm ediat elyrinse theelectr olyte
fr om your skin wit hwa terand seek
medica latt ention.
R Ifelectr olyt ecomes intocont act
wit hyo ur eyes, immediat elyrinse
th em thor oughly withclean water
and seek medicalattent ion.
R Ifth eelectr olyt eis sw allo wed,
immediat elyrinse your mout hout
th or oughl y.Do notind uce vomiting.
Seek medica latt ention immedi ately .
R Immedia tely ch ang eout ofclo thing
whic hhas been contaminat edwith
electr olyt e.
R Ifan allergic react ion occurs, seek
medi calattent ion imm ediat ely. The
inside rear vie wmir rorand theoutside mir‐
ro ron thedr iver's side willautomatic allygo into
anti- glar emode iflight from aheadlam phit sth e
sensor ontheinside rear vie wmir ror. 11
6
Light andvisib ility