2022 MERCEDES-BENZ S CLASS light

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 worksdepends onthe
se verity of theim pact detected and theappar ent
type ofacciden t:
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 redcann otpla ya deci‐
siv ero le in airbag deployment .Nor dothey pro‐
vide anindicat ionofairbag 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
R Belt airbag:front alim pact
R PRE-S AFE®
Im pul seSide: sideimpact Occupa
ntsaf ety 43

go
bef orest ar tin gth eve hicle. Pressing theseat
belt extende rba ck intoplace requ ires forc e.
% Youcan deac tivateth eseat beltextende r.
Ac tivateth ech ild safetyloc kfo rth ere ar
passe nger com partment side windows
( / pag e71 ).
Wh eninst allin gach ild restra int system to
th ere ar seat ,obse rveth eve hicle-specif ic
inf ormation (/page63). Fa
stening andadjust ing seat belts If
th eseat beltispulled quickl yor shar ply, the
seat beltretract orlock s. The seat beltstra pcan‐
no tbe pulled outanyfur ther.
Ve hicl eswith illuminat eddesi gnseat belt
buc kles :th eilluminat edseat beltbucklemak es
fa stening your seat belteasie rin cer tain situa‐
tion s,forex am ple, when ambie ntlight condi‐
tio ns arepoor .
% The illumin ationon theseat beltbuckledoes
no tindicat eth at theseat beltbuckleisfunc ‐
tion ingcorrectl y. #
Alw ayseng ageseat belttongu e2 ofthe
seat beltintoseat beltbuckle1 ofthecor‐
re sponding seat. #
Press and hold theseat beltoutle tre lease
and slide seatbeltoutle t3 intoth edesir ed
position . #
Letgo oftheseat beltoutle tre lease and
ens ureth at seat beltoutlet3 locksinto
posit ion. %
Aseat beltcanonlypr ov ide thebes tle ve lof
pr otect ion ifit is wo rncor rectl y.Obser vethe
no teson fastening theseat belt
(/ page44 ).
* NO
TEDep loym ent ofcom ponents ofthe
re stra int system when thefront
passeng erseat isunocc upied andaseat
belt isbuc kled When
thefront passeng erseat isunocc upied
and theseat belttongu eof theseat beltis
eng aged intheseat beltbuckle, com ponen ts
of there stra int system maydeplo yunnec es‐
sar ilyon thefront passeng erside, e.g.the
Emerg encyTensi oni ng Device . #
Only buckle theseat belts asintended. %
Obser vetheno teson cor rectly fastening the
seat belt(/page44 )and stow ageop tio ns
(/ page12 8).
Inf ormatio non installing ach ild restra int sys‐
te m and onchildr entraveling intheve hicle
can befound inthe"Childr enintheve hicle"
section (/page63). 48
Occupant safety

Seat
beltadjustment function Ve
hicl eswith PRE-S AFE®
:Af tera front seat
belt hasbeen fastened, theaut omatic seatbelt
adjus tmentma yappl ya cer tain tigh tening forc e.
Do nothold theseat belttight lywhile itis
adjus ting.
Yo ucan activat eand deac tivateth eseat belt
adjus tmentfunc tion using themultimedia sys‐
te m (/ page49) . Ac
tiv atin g/deac tivatin gse at beltadjus tment
vi athe multi mediasy stem Multi
media system:
4 © 5
Set ting s5
Vehicle
5 Occ upant Protec tion #
Activateor deacti vate Belt adjustme nt. Re
leasing seatbelts #
Press there lease buttonintheseat belt
buc kleand guide theseat beltbackwit hth e
seat belttongu e. Se
at beltwa rning funct ionforthe driver and
fr on tpass enger The
00E9 seatbeltwarning lam pin thedr iver's
displa yis are minder that all vehicle occupants
mus twe artheir seat belts correctly .
The 00E9 seatbel twa rning lam plight sup forsix
seconds everytim eth eve hicle isstar ted.
In addition, awa rning tone maysou nd.
Whe nth edr iver's andfront passeng er'sdoor s
ar eclosed andthedr iver and front passeng er
ha ve fastened their seat belts, theseat belt
wa rning goes out.
In thefo llo wing cases ,th eseat beltwarning
light sup dur ing ajour neyif:
R The vehicle speed exceeds 15mp h
(25 km/ h)and thedr iver's orfront
passeng erseat beltisno tfa stened.
R The driver or front passeng erunf astens their
seat beltwhile theve hicle isin mo tion. Airbags
Ov
ervie wof airbags Dr
iver's/fr ontpasseng erseat :
1 Knee airbag
2 Driver's airbag
3 Front passeng erairbag
4 Windo wcur tain airbag
5 Side airbag Occ
upant safety 49

&
WARNIN GRisk ofinju ryor deat hdue to
a disable dfron tpasse nger airbag
The fron tpasse nger airbag isdisable dwhen
th ePA SSENGER AIRBAGOF Find icat orlam p
is lit.
A per son inthefront passeng erseat could
th en, forex am ple, com eint ocon tact with
th eve hicle interior ,especially ifth eper son is
sitt ing tooclose tothecoc kpit.
If th efront passeng erseat isoccupied,
alw aysensur eth at:
R The classificat ion oftheper son inthe
fr ont passeng ersea tis cor rect and the
fr ont passeng erairb agisenabl edordisa ‐
ble din accor dance withth eper son inthe
fr ont passeng ersea t.
R The front passeng ersea thas been moved
as farbac kas possi ble.
R The person isseat edcor rectl y. #
Both bef oreand during thejour ney,
ensur eth at thest atus ofthefront
passeng erairbag iscor rect. If
th efront passeng erseat isoccupied, theclas‐
sif ication oftheper son orchild restra int system
on thefront passeng erseat take splace afte rth e
fr ont passeng erairb agshut offself-t est.The
PA SSENGER AIRBAGind icat orlam psdispla yth e
st atus ofthefront passeng erairbag.
Alw aysobser vetheno teson thefunc tion ofthe
PA SSENGER AIRBAGind icat orlam ps
(/ page54 ). Fu
nction ofthePA SSEN GERAIRBAGindic a‐
to rlam ps Se
lf-te st of aut oma ticfront passeng erair bag
shu toff
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. 54
Occupant safety

The
status ofthefront passeng erairbag isdis‐
pla yedvia thePA SSENGER AIRBAGind icat or
lam psafte rth eself-t est:
R ON islit:th efront passeng erairbag may
deplo ydur ing anacciden t.
The indicat orlam pgoes outafte r60 sec‐
onds.
R ON and OFF areno tlit :th efront passeng er
airbag maydeplo ydur ing anacciden t.
R OFF islit:th efront passeng erairbag isdisa‐
bled. Itwill then notbe deplo yedin theeve nt
of an 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 theaut omatic front passeng erairbag 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 fata linj ury
when usingare ar wa rd-faci ng child
re stra int system while theco- driver air‐
bag isenabled
If yo usec ureach ild inare ar wa rd-faci ng
ch ild restra int system ontheco- driver seat
and thePA SSENGER AIRBAGOF Find icat or
lam pis off,th eco- driver airbag candeplo yin
th eeve ntofan acci dent.
The child could bestru ck bytheairbag. #
Alw aysensur eth at theco- driver airbag
is disabled. ThePASSENGER AIRBAG
OFF indicat orlam pmus tbe lit. #
NEVER useare ar wa rd-faci ng child
re stra int system onaseat withan ENA‐
BLE DFR ONT AIRBAG;DE ATHor SERI‐
OUS INJURYtotheCH ILD can occur . When
installing ach ild restra int system onthe
fr ont passeng ersea t,obse rveth eve hicle-spe‐
cif icinf ormation (/page68).
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
and thest atur eof thech ild, PASSENGER AIR
BA GOF Fma ybe litcon tinuousl yor be off.
Alw aysobser vethefo llo wing informatio n. Occ
upant safety 55

If
th efront passeng erseat isoccupied,
alw aysensur eth at:
R The classificat ion oftheper son inthe
fr ont passeng ersea tis cor rect and the
fr ont passeng erairb agisenabl edordisa ‐
ble din accor dance withth eper son inthe
fr ont passeng ersea t.
R The person issea tedpr oper lywit hacor ‐
re ctly fastened seatbelt.
R The front passeng erseat hasbeen moved
as farbac kas possi ble. Be
sureto also obse rveth efo llo wing further
re lat ed subje cts:
R Child restra int system onthefront passeng er
seat (/page68) PRE-S
AFE®
sy stem PRE-
SAFE®
(ant icipa tory occupa ntprotec‐
tion) PRE-
SAFE®
is ab leto detect cer tain critic aldriv‐
ing situat ionsandimplemen tpr e-em ptive meas‐
ur es toprotect theve hicle occupants.
PRE-S AFE®
can implement thefo llo wing meas‐
ur es indepe ndently of eac hot her :
R Tight ening theseat belts onthedr iver's seat
and front passeng erseat.
R Closing theside windo ws.
R Vehicl eswith sliding sunroof:Clo sethe
sliding sunroof.
R Vehicl eswith memor yfuncti on:movethe
fr ont passeng ersea tto amor efa vo rable
seat position .
R Vehicl eswith memor yfuncti oninthe
re ar comp artment: movetheout errear
seat sto amor efa vo rable seat position .
R Vehicl eswith multico ntour seat :incr ease
th eair pressur ein theseat sidebolsters of
th eseat backres t. R
PRE-S AFE®
Sound: prov ided that themulti‐
media system isswitc hedon,gener ates a
br iefnoi sesigna lto stimulat eth einnat epr o‐
te ctiv emec hanism ofaper son's hearing.
* NO
TEDama gecau sed byobject sin the
fo ot we llor behin dth eseat The
automatic adjustmentof theseat posi‐
tion mayre sult indamag eto theseat and/or
th eobjec t. #
Stow object sin asuit able place. Re
versing thePRE- SAFE®
sy stem mea sures If
an acc iden tdid notocc ur,th epr e-em ptive
measur esthat we retak en arere ve rsed.
Yo uwill need toper form certain settings your‐
self . #
Ifth eseat beltpre-t ension ingisno tre duced,
mo vetheseat backres tbac kslightl y.
The locking mechanism releases. Occ
upant safety 57

Fu
nction ofPRE-S AFE®
PL US (anticipat ory
occupant protection plus) PRE-
SAFE®
PL US can detect cer tain im pact s,
par ticular lyan imm inentrear impact ,and take
pr e-em ptive measur estoprotect theve hicle
occupants. Thesemeasur escanno tnecessar ily
pr eve ntan imm inentimpact.
PR E-S AFE ®
PL US can implem entthefo llo wing
measur esindepe ndently of eac hot her :
R Tight ening theseat belts onthedr iver's seat
and front passeng erseat.
R Increasin gbr ak epr essur ewhen theve hicle
is statio nary.This brak eapplication iscan‐
celed automaticall ywhen theve hicle pulls
aw ay.
If an accident didnotoccur ,th epr e-em ptive
measur esthat we retake nar ere ve rsed.
Sy stem limit s
The system will notinitiat ean yaction inthefo l‐
lo wing situat ions:
R When backingup The
system will notinitiat ean ybr aking applica‐
tion inthefo llo wing situat ions:
R Whils tdr ivin g
or
R When entering orexitin gapar kingspace
while using ActivePa rking Assist Fu
nction ofPRE-S AFE®
Im pulse Side If
an imminen tside impact isde tected, PRE-
SA FE®
Im pulse Side canpre-emp tively movethe
fr ont seatve hicle occupant's upperbody
to wa rdsth ecent eroftheve hicle. Itdoes this by
ra pidly inflating anair cushion intheout erseat
side bolsterof theseat backres ton theside on
whic hth eim pact isantic ipated.This increases
th edis tance betwee nth edoor andtheve hicle
occupant.
Ve hicl eswith E-AC TIVE BODY CONT ROL:the
body canalso beslightl yra ised.
If PRE- SAFE®
Im pulse Side hasbeendep loye dor
is faulty ,th ePRE-S AFEImpulse SideInoper ative
See Operator 'sManual( /pag e496) displa y
messag eappear s. Au
tomatic measures afte ran acciden t
Dep endingonthetype andseverity of theacci‐
dent ,and depending ontheve hicle's equipment,
th efo llo wing measur escan beimplemen ted, for
ex am ple:
R Automatic braking (post-collisi onbrak e)
R Activati ng thehazar dwa rning light s
R Trigg ering anaut omat icemer gency call
(/ page 319)
R Swi tching offth eengine
To restar tth eve hicle, switchth eignition off
and switc hit bac kon (/ page18 2).
Dep endingonthetype andseverity of the
acc iden t,itis poss iblethat theve hicle can
no long erbe star ted.
R Switc hingoffth efuel supply
R Unloc kin gth eve hicle doors
R Lowe ring theside windo ws
R Display ing theemer gency guide in thecen‐
tr al displa y
R Switc hingontheint erior lighting 58
Occupant safety

It
ma ybe thecase that thech ild can notbe
pr oper lyrestra ined. #
Alw aysimmediat elyre place child
re stra int systems that have been dam‐
ag ed orinvo lved inan acc ident . #
Have thesecur ingsystems forth ech ild
re stra int systems checkedat aqu alif ied
spec ialistwo rkshop beforeins talling a
ch ild restra int system again. Av
oid direct sunli ght &
WARNIN GRisk ofburnswhen thech ild
seat isex posed todirect sunlight
If th ech ild restra int system isex posed to
dir ect sunlight orheat, partscould heatup
exc essiv ely.
Childr encould sufferbur nsfrom these parts,
par ticular lytheme tallic partsof thech ild
re stra int system. #
Alw aysmak esur eth at thech ild
re stra int system isno tex posed to
dir ect sunlight . #
Coverth ech ild restra int system witha
blank et,fo rex am ple. #
Ifth ech ild restra int system has been
ex posed todirect sunlight ,allo witto
cool beforesecu ring ach ild intoit. #
Neverlea vechildr enunat tende din the
ve hicle. Obser
vewhen stopping orpar king &
WARNIN GRisk ofacci dent andinjury
due tochildr enleftunat tende din the
ve hicle
If ch ildr enarelef tunsuper visedintheve hi‐
cle, they cou ld,in pa rticular :
R open doors,ther eb yendang ering other
per sons orroad user s.
R getou tand 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 chang ingthetra nsmiss ionposition .
R star tin gth eve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. #
Keep theve hicle SmartKey out ofreac h
of childr en. &
WARNIN GDang ertolife due toexpo‐
sur eto extreme heat or col din theve hi‐
cle
If people, particular lych ildr en, areex posed
to extreme temp eratur esove ran extende d
pe riod oftime, ther eis arisk ofser ious
injur yor dang ertolife. #
Neverlea veper sons, childr eninpar tic‐
ular ,unat tende din theve hicle. 62
Occupant safety