2021 MERCEDES-BENZ S-CLASS COUPE Owner's Manual

sonal
datama ybe used forth epr ov ision of
onlin eser vice s.Dat ais exch ang edvia asec ure
con nection,e.g .th emanuf acturer'sdesignat ed
IT systems. Personal datais collect ed,pro‐
cessed andused viathepr ov ision ofser vice s
exc lusiv elyon thebasis ofleg alper missions or
wit hpr ior con sent .
The services andfunc tions(some times subject
to afe e) can usually beactiv ated ordeactiv ated.
In some cases, this also applies totheent ire
ve hicle's dataconn ection. Thisexcludes, inpar‐
tic ular ,leg allypr escr ibed functionsand service s.
Th ird pa rty ser vice s
If it is possibl eto use onlineser vices from other
pr ov ider s,these services areth ere sponsibili ty
of thepr ov ider inqu estion andsubject tothat
pr ov ider's datapr otect ion conditions andterm s
of use. Themanuf acturerhas noinfluence on
th econ tent exc hang ed.
Fo rth is reason ,please asktheser vice prov ider
fo rinf ormation aboutthetype, extent and pur‐
po se ofthecollect ionand useofper sonal data
when services arepr ov ided bythird par ties . Mult
imed iasystem/M ercedes meconnect If
th eve hicle iseq uipped withth emultimedia
sy stem orMer cedes meconnect ,additional data
about theve hicle's operation, theuse ofthe
ve hicle incer tain situat ions,and thelocation of
th eve hicle maybe com piled bythemultimedia
sy stem orMer cedes meconnect .
Fo radd itional information pleasereferto the
ch ap ter"Mu ltimed iasystem" and/or the
Mer cedes meconn ectTerm sand Conditions. Ev
ent data recor der s US
Aonl y:
This vehicle iseq uipped withan event data
re cor der (EDR ).The mainpu rpose ofan EDRis
to recor d,incer tain crash ornear crash-lik esit‐
uation s,suc has an airbag deployment orhitt ing
a ro ad obs tacle ,da ta that will assis tin unde r‐
st andi nghowave hicle's systems perform ed.
The EDRis designed torecor dda ta relat ed to
ve hicle dynamics andsafetysy stems fora shor t
per iod oftime, typica lly30 seconds orless. The
EDR inthis vehicle isdesigned torecor d
su ch dat aas:
R Howvarious systems inyour vehicle were
oper ating
R Whe ther or notth edr iver and front
passeng erseat belts werebuc kled/f astened
R Howfar(if at all)th edr iver wa sdepr essing
th eaccelera torand/or brak epeda land
R Howfast theve hicle wastrav eling
This datacan help prov ide abe tter under stand‐
ing ofthecir cums tances inwh ich acci dents and
inju ries occur .NO TE: EDRdat ais recor ded by
yo ur vehicle onlyif anon- trivial crash situation
occur s;no dat ais recor ded bytheED Runder
nor mal driving conditions andnoper sonal data
(e.g. name, gende r,ag eand acciden tloc atio n)is
re cor ded .Ho wever,ot her parties, suchas law
enf orcement ,could combine EDRdatawit hth e
typ eof personall yidentifying dataro utin ely
acq uired dur ing acrash inve stigation .
To read dat are cor ded byan EDR,spec ialequip‐
men tis requ ired, and access totheve hicle or
th eED Ris needed. Inaddition totheve hicle
manuf acturer,ot her parties that have thespecial Gener
alno tes 31

eq
uipment, suchas law enf orcemen t,can read
th einf ormation byacc essi ngtheve hicle orthe
EDR.
EDR data ma ybe used incivil andcrimina lmat‐
te rs as ato ol inaccident recons tructi on,acci ‐
dent claims and vehicle safety. Since theCr ash
Dat aRe trie va l(CDR) tool that isused toextract
da ta from theED Ris comm erciall yav ailable,
Mer cedes-Ben zUS A,LLC("MBUS A")expressl y
disclaims anyand allliability arising from the
ex tracti onofthis inf ormatio nby unaut horized
Mer cedes-Ben zper son nel.
MB USAwill notshar eED Rdat awit hot her swit h‐
out thecon sent oftheve hicle owner or,if th e
ve hicle isleased, without thecon sent oftheles‐
see. Excep tion sto this repr esent ation include
re sponses tosubpoenas bylaw enf orcem ent;by
fe der al,stat eor loc algo vernment ;in connection
wit hor arising outoflitig ation invo lvin g MBUS A
or its subsidia ries and affiliat es; or,as requ ired
by law.
Wa rning: TheEDRis acom pone ntofthe
Re stra int System Module. Tamp ering with,alt er‐
ing, modifying orremo ving theED Rcom ponen tma
yre sult inamalfunction oftheRe stra int Sys‐
te m Modu leand other systems.
St atelaws orregulations rega rding EDRs that
con flict withfe der alregulation arepr e-em pted.
This means that intheev ent ofsuc hcon flict ,th e
fe der alregulation governs. As ofDecember
20 16 ,17 stat es have enact edlaws relatin gto
EDRs . Co
pyright Fr
ee and open sourcesof tware In
fo rm atio non lice nsefo rfr ee and open-sou rce
sof twareused inyour vehicle canbefound on
th edat acar rier inyour vehicle document wallet
and withupdat eson thefo llo wing websit e:
htt ps:/ /www .mercedes- benz.com/open source Re
gis tere dtrademar ks R
Bluetoo th®
is are gis tere dtra demar kof Blue‐
to othSIG, Inc.
R DTS™ isare gis tere dtra demar kof DT S,Inc. R
Dolb y®
and MLP ™arere gis tere dtra demar ks
of DOLB YLabor ator ies.
R Bab ySmar t™,ESP®
and PRE-S AFE®
arere g‐
is te re dtra demar ksofMer cedes-B enzAG.
R HomeL ink®
is are gis tere dtra demar kof Gen‐
te xCo rporation.
R iPod ®
and iTune s®
arere gis tere dtra demar ks
of Apple Inc.
R Burmes ter®
is are gis tere dtra demar kof
Bur mes terAu diosy steme GmbH.
R Micr osoft®
and Windo wsMedia ®
arere gis‐
te re dtra demar ksofMicr osoftCor poration.
R SIRIUS ®
is are gis tere dtra demar kof Sir ius
XM Radio Inc.
R HD Radio™ isare gis tere dtrademar kof iBiq‐
uity Digital Corporation.
R Graceno te®
is are gis tere dtra demar kof
Gr aceno te,Inc .
R ZAGA TSurve y®
and relat ed brands arere gis‐
te re dtra demar ksofZag atSur vey, LL C. 32
Gener alno tes

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 Windo wcur tain airbag: sideimpact ,ro llo ver,
fr ont alim 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

is
occ upied, makesur e,bo th bef oreand during
th ejour ney,that thest atus ofthefront
passeng erairbag iscor rect (/ page 44). &
WARNIN GRisk ofburnsfrom hotair bag
com ponents
The airbag partsareho taf te ran air bag has
been deployed. #
Donotto uc hth eair bag parts. #
Have adeplo yedair bag replaced ata
qu alif ied spec ialistwo rkshop assoon
as possible . Mer
cedes-Benz recomme ndsthat youha ve the
ve hicle towe dto aqu alif ied spec ialistwo rkshop
af te ran accide nt.Take this int oacc ount ,par tic‐
ular lyifan Em erge ncy Tensi oni ng Device istrig ‐
ge redor an airbag deployed.
If th eEmer gency Tensi oni ng Device sar etrig ‐
ge redor an airbag isdeplo yed, youwill hear a
ban g,and asmal lamoun tof powder mayalso be
re leased:
R The bang willnotge ner ally affect your hear ‐
ing . R
Ingener al,th epo wder released isno thaz‐
ar dous tohealt hbut maycause short-term
br eat hing difficul ties toper sons suffering
fr om asthma orother pulmonar yconditions .
Pr ov ided itis saf eto do so, leavetheve hicle
immediat elyoropen thewindo win order to
pr eve ntbrea thing difficul ties .
Airb agsand pyrotech nic Emerg encyTensi oni ng
De vice scont ain pe rchlor atemat erial, whic hma y
re qu ire spec ialhandlin gor environm entalpro‐
te ction measures. Na tional guideline sre ga rding
wa ste disposal mustbe obser ved. InCalif ornia,
see https:/ /dtsc.ca.go v/.Using thesear ch
function, youwill find informa tionon perchlo‐
ra te,fo rex am ple. Seat
belts Pr
otection prov ided bytheseat belt Alw
aysfa sten your seat beltcorrect lybef ore
st ar tin gajo ur ne y.Asea tbe ltcan only prov ide
th ebes tle ve lof protect ion ifit is wo rncor rectl y. &
WARNIN GRisk ofinju ryor deat hdue to
inc orrectl yfa stened seatbelt
If th eseat beltisno two rncor rectly ,it can‐
no tper form itsintended protect ive func tion.
In addition, anincor rectly fastened seatbelt
can also cause injuries,forex am ple, inthe
ev ent ofan acciden tor when braking or
ch ang ingdirect ion sudden ly. #
Alw aysensur eth at all vehicle occu‐
pants have their seat belts fastened
cor rectl yand aresitti ngprope rly. Alw
aysobser vetheins truction sabout thecor‐
re ct driver's seatpos ition and adjus ting theseat
(/ page85).
In order forth ecor rectly wornseat belttopro‐
vide theint ended leve lof protect ion, eachve hi‐
cle occupant mustobser vethefo llo wing infor‐
matio n:
R The seat beltmustno tbe twis tedand must
fi t tig htly and snuglyacr oss thebody . Occ
upant safety 35

R
The seat beltmustbe routed acr oss thecen‐
te rof theshoulder andaslow do wn across
th ehips aspossible.
R The shoulder sectionoftheseat beltshould
no tto uc hyo ur neck nor berouted unde r
yo ur arm or behin dyo ur bac k.
R Avoid wearing bulk yclo thing, e.g. awint er
coat .
R Push thelap belt down asfaras possi ble
acr oss your hips andpulltight wit hth eshoul‐
der sect ionofthebelt. Neverro uteth elap
belt across your abdom en.
Pr egn ant women mustals ota ke par ticular
car ewit hth is.
R Neverro uteth eseat beltacross shar p,poin‐
te d, abr asiv eor fragile objec ts.
R Onlyone person should useeachseat beltat
an yone time. Neverall ow babies andchil‐
dr en totrave lsitt ing onthelap ofano ther
ve hicle occupant.
R Neversecur eobjects withaseat beltifth e
seat beltisalso being usedbyone ofthe
ve hicle's occupants. Alwaysobser vethe
ins truct ions forloa ding theve hicle when secur
ingobject s,lugg ageor loads
(/ page98).
Also ensur eth at no obj ect s,e.g .a cus hion ,
ar eeve rpla ced between aper son and the
seat.
The seat belts onthefo llo wing seats areeq uip‐
ped withaspec ialseat beltretract or:
R Front passeng erseat
R Rear seat s
Ac tivateor deacti vate thespecial seatbelt
re tract or(/ page 52).
If ch ildr enaretra veling intheve hicle, besur eto
obser vetheins truction sand safetyno teson
"Chi ldren intheve hicle" (/page49). Limitations
ofthepr otection prov ided bythe
seat belt &
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.
Yo uco uld slip beneathth eseat beltand
injur eyo urself . #
Adjus tth eseat proper lybef orecom‐
menc ingyour 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 ryor deat hdue to
an extende dsea tbe ltex tende rwh ile th e
ve hicle isin mo tion
If th eseat beltdoes notsit cor rectly onthe
body ,it cann otper form itsintended protec‐
tiv efunc tion. 36
Occupant safety

#
Alw aysensur eth at theseat belt
ex tende ris retract edwhile th eve hicle
is in mo tion. If
th eseat beltextende rdo es notre tract auto‐
matical ly,it can beretract edmanua lly.To do so,
pr ess theseat beltextende rba ck asfaras itwil l
go bef orest ar tin gth eve hicle. Pressing theseat
belt extende rba ck intoplace requ ires forc e. &
WARNIN GRisk ofinju ryor deat hwhen
additional restra int systems areno tused
fo rper sons withasmal lerstatur e
Pe rsons under 5ft (1.50 m)ta llcan notwe ar
th eseat beltcorrectly without asuit able
additional restra int system. #
Alw ayssecur eper sons under 5ft
(1 .50 m)tallin asuit able restra int sys‐
te m. &
WARNIN GRisk ofinju ryor deat hdue to
damag edormodif iedseat belts
Seat belts cannotprov ide protect ion inthe
fo llo wing situat ions:
R The seat beltisdamag ed,has been modi‐
fi ed, isex treme lydirty, bleac hedordyed
R The seat beltbuckleisdamag edor
ex treme lydir ty
R Modif ication sha ve been made tothe
Emerg encyTensi oni ng Device ,sea tbe lt
anc horageor sea tbe ltre tract or
Sea tbe lts ma ysu stain non-visi ble damag ein
an acc iden t,e.g .due toglass splin ters.
Modif iedordamag edseat belts could tear or
fa ilin theev ent ofan acciden t,forex am ple.
Modif iedEmerge ncy Tensi oni ng Device sma y
be deploy ed unint entionally ornotfunc tion
as intended. #
Nevermodify theseat belts, Emergency
Te nsi oni ng Device s,sea tbe ltanc ho‐
ra ge sor seat beltretract ors. #
Makesur eth at theseat belts areno t
damag ed,areno two rnand arecle an. #
Alw aysha ve theseat belts checked
immed iatelyaf te ran accide ntata
qu alif ied spec ialistwo rkshop. Onl
yuse seat belts whichha ve been approved
fo ryo ur vehicle byMer cedes-Ben z. &
WARNIN GRisk ofinju ryor deat hfrom
deplo yedpy rotech nic Emerg encyTen‐
si oni ng Device s
Py rotech nic Emerg encyTensi oni ng Device s
th at have been deployedar eno long eroper a‐
tion aland areunable toper form their inten‐
ded protect ive func tion. #
Ther efor e, have deplo yedpy rotech nic
Emerg encyTensi oni ng Device simm edi‐
at ely replaced ataqu alif ied spec ialist
wo rkshop. Mer
cedes-Benz recomme ndsthat youha ve the
ve hicle towe dto aqu alif ied spec ialistwo rkshop
af te ran accide nt. Occupa
ntsaf ety 37

*
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