light MERCEDES-BENZ S-CLASS 2020 User Guide

Fu
nction ofther ear seat beltbu ckle
ex tender The
seat beltbuckleextende rfor theo uter rear
seat smakes iteasier tofasten thes eat belt.
Alw ayse nsur ethat thes eat belt bucklecan be
ex tende dand retract ed free ly.
Af tert he seat beltisfastened, thes eat belt
buc kleretur ns toits nor mal posit ion.Theseat
belt then lies tight lyacr oss thel ap and thor ax
ar eas. Re
leasing seatbelts #
Press ther elease buttoninthes eat belt
buc kleand guide thes eat belt backwitht he
seat belttongu e. Ac
tiv atin g/deac tivatin gseatb elta djus tmen t
vi at he multi mediasystem Multi
media system:
4 Vehicle 5
î Vehicle Setting s
5 Belt Adjustmen t #
Activate0073 ordeacti vate 0053 thef unc tion . Seat
beltwarning funct ionfort he driver and
fr on tp ass enger The
00E9 seatbeltwarning lam pint he Instru‐
ment Displa yisar emind erthat all vehicle occu‐
pants mustwear their seat belts correctly .
The 00E9 seatbeltw arning lamplight supfor six
secon dseve rytim ethe vehicle isstar ted.
In addition, awarning tone maysound.
Whe nthe driver's andfront passeng er'sdoor s
ar ec losed andthed rive ra nd front passeng er
ha ve fastened their seat belts, thes eat belt
wa rning goes out.
In thef ollo wing cases, thes eat belt warning
light supd uring ajour neyif:
R The vehicle speed exceeds 15mp h
(25 km/ h)and thed rive r's orfront
passeng erseat beltisno tfas tened.
R The driver or front passeng erunf astens their
seat beltwhile thev ehicle isin mo tion. Airbags
Ov
ervie wo fairbags 1
Knee airbag
2 Driver's airbag
3 Front passeng erairbag
4 Windo wcurtain airbag
5 Side airbag
The installation locationofan airbag isident ified
by theA IRB AG symbol.
When enabled, anairbag canprov ide addition al
pr otect ion fort he respectiv evehicle occupant. 40
Occupant safety

R
The front passeng ersits insuc haw aythat
th eir weight israised from thes itting sur‐
fa ce. &
WARNIN GRisk ofinju ryor deat hdueto
deactiv ated front passeng erairbag
If th eP ASSENGER AIRBAGO FFind icat or
lam pislit,t he front passeng erairbag isdisa‐
bled. Itwill notb ed eplo yedi nt he event of
an acciden tand cann otper form itsintended
pr otect ivef unc tion .
Ap erson inthef ront passeng erseat could
th en, fore xamp le,com eintoc ontact with
th ev ehicle interior ,especially ifth ep erson is
sitt ing tooc lose tothec ockpit.
If th ef ront passeng erseat isoccupied,
alw ayse nsur ethat :
R The classif ication ofthep erson inthe
fr ont passeng ersea tisc orrect and the
fr ont passeng erairb agisenabl edordisa ‐
ble dina ccor dance withthe per son inthe
fr ont passeng ersea t. R
The front passeng ersea thas been moved
as farb acka spossi ble.
R The person isseat edcor rectl y. #
Ensu re,b othb efor ea nd dur ing thej our‐
ne y,that thes tatus ofthef ront
passeng erairbag iscor rect. If
th ef ront passeng erseat isoccupied, thec las‐
sif ication ofthep erson orchild restra int system
on thef ront passeng erseat take sp lace afte rt he
fr ont passeng erairbag shutoffs elf-t est.The
PA SSENGER AIRBAGi ndicat orlam psdispla ythe
st atus ofthef ront passeng erairbag.
Alw ayso bser vethen otes on thef unc tion ofthe
PA SSENGER AIRBAGi ndicat orlam ps
(/ page45). Fu
nction oftheP ASSE NGER AIR BAGi ndic a‐
to rlam ps Se
lf-te st of aut oma ticfront passeng erfront
air bag shutoff
When thei gnition isswitc hedon,aself-t estis
per form ed dur ing whic hthe twoP ASSENGER
AIR BAGO NandOFFind icat orlam pslight up
simul taneou sly. Occu
pant safety 45

The
status ofthef ront passeng erfront airbag is
displa yeda fter thes elf-t est:
R PASSENGER AIRBAGO Nlight supfor
60 seco nds, subseq uentlybo th indic ator
lam psareo ff(PAS SENGER AIRB AG ON and
OF F): thef ront passeng erfront airbag isable
to deplo yint he eve ntofan acci dent.
R PASSENGER AIRBAGO FFlight supc ontin u‐
ousl y:thef ront passeng erfront airbag isdis‐
abled. Itwill then notb ed eplo yedi nt he
eve ntofan acci dent.
If th eP ASSENGER AIRBAGO Nindicat orlam pis
of f,on lytheP ASSENGER AIRBAGO FFind icat or
lam pshows thes tatus ofthef ront passeng er
fr ont airbag. ThePASSENGER AIRBAGO FFind i‐
cat orlam pm aybe litcon tinuousl yorbeo ff.
If th eP ASSENGER AIRBAGO FFind icat orlam p
and the0075 restra int system warning lam p
light upsimultaneousl y,thef ront passeng erseat
ma ynotbe used. Alsointhis case, donotins tall
ac hild restra int system onthef ront passeng er
seat. Have aut omat icfron tp asse nger fron ta ir‐
bag shut offc hec keda nd repair edimmediat elyat
aq ualif iedspec ialistworks hop. St
atus displa y
If th ef ront passeng erseat isoccupied, ensure,
bo th bef orea nd dur ing thej our ney,that thes ta‐
tus ofthef ront passeng erfront airbag iscor rect
fo rt he cur rent situa tion.
Af teri ns talling arear ward-faci ng child
re stra int system onthef ront passeng er
seat :PA SSENGER AIRBAGO FFmus tbelitcon ‐
tin uousl y. &
WARNIN GRisk ofinju ryor deat hfrom
using arear ward-faci ng child restra int
sy stem when thef ront passeng erfront
airbag isenabled
If yo us ecureac hildinar ear ward-faci ng
ch ild restra int system onthef ront passeng er
seat andtheP ASSENGER AIRBAGO FFind i‐
cat orlam piso ff,t he front passeng erairbag
can deplo yint he eve ntofan acci dent.
The child could bestru ck bythea irbag.
Alw ayse nsur ethat thef ront passeng erair‐
bag isdeactiv ated. The PASSENGER AIRBAG
OFF indicat orlam pm ustb elit. NEVER
usearear ward-faci ng child restra int
sy stem onaseat protect edbyan ENABLED
FR ONT AIRB AG infront ofit,DE ATHo rSERI‐
OUS INJURYtotheC HILD canoccur . When
installing achild restra int system onthe
fr ont passeng ersea t,obse rvet he vehicle-spe‐
cif icinf ormation (/page60).
Depending onthec hild restra int system and the
st atur eofthe child, theP ASSENGER AIRBAG
OFF indicat orlam pm aybe off.In this case, do
no tins tallth er ear ward-faci ng child restra int
sy stem onthef ront passeng erseat.
Ins tead, installth er ear ward-facin gchild
re stra int system onasuitable rear seat .
Af teri ns talling aforwa rd-facin gchild
re stra int system onthef ront passeng er
seat :depen dingonthec hild restra int system
and thes tatur eo fthe child, PASSENGER AIR
BA GO FFma ybelitcon tinuousl yorbeo ff.
Alw ayso bser vethef ollo wing information. 46
Occupant safety

&
WARNIN GRisk ofinju ryor deat hdueto
inc orrect pos itioning ofthef orwa rd-
fa cing child restra int system
If yo us ecureac hildinaf orwa rd-facin gchild
re stra int system onthef ront passeng erseat
and youp ositiont he front passeng erseat too
clos etot he coc kpit, inthee vent ofan acci ‐
de nt, thec hild could :
R Come intoc ontact with thev ehicle inte‐
ri or ifth eP ASSENGER AIRBAGO FFind i‐
cat orlam pislit,f or exam ple.
R Bestru ck bythea irbag ifth e
PA SSENGER AIRBAGO FFind icat orlam p
is off. #
Alw aysm ove thef ront passeng erseat
as farb acka spossi bleand fully retract
th es eat cushion lengthadjus tmen t.
Alw aysm akes uret hat thes houlder belt
st ra pi sc orrectly routed from thes eat
belt outle tonthe vehicle tothes houl‐
der belt guide onthec hild restra int sys‐
te m. The shou lderbeltstra pm ustb e
ro uted forw ards and down wardsf rom
th ev ehicle beltoutle t.Ifnecessar y, adjus
tthe seat beltoutle tand thef ront
passeng erseat accor dingly. #
Alw ayso bser vethec hild restra int sys‐
te mm anufactur er'sinstallation instruc‐
tion s. When
installing achild restra int system onthe
fr ont passeng ersea t,obse rvet he vehicle-spe‐
cif icinf ormation (/page60).
If ap erson issitting onthef ront passeng er
seat :PA SSENGER AIRBAGO FFma ybelitcon ‐
tin uousl yorbeo ff,d epen dingo nthe per son's
st atur e.
Ap erson onthef ront passeng erseat must
alw ayso bser vethef ollo wing information:
R Ifth ef ront passeng erseat isoccupied byan
adult orap erson withas tatur ec orrespond‐
ing tothat ofan adult ,the PASSENGER AIR
BA GO FFind icat orlam pm ustb eo ff.T his
ind icat esthat thef ront passeng erfront air‐
bag isenabled.
If th eP ASSENGER AIRBAGO FFind icat or
lam pislitcon tinuousl y,an adult orper son
wit hab uildcorresponding tothat ofan adult shoul
dnotuse thef ront passeng erseat.
Ins tead, they should usearear seat.
R Ifth ef ront passeng erseat isoccupied bya
per son ofsmaller statur e(e.g. at eenag eror
small adult), theP ASSENGER AIRBAGO FF
ind icat orlam peither light supc ontin uousl y
or remains off,depe nding onther esult ofthe
cla ssificati on.
- Ifth eP ASSENGER AIRBAGOFF indicat or
lam piso ff:m ove thef ront passeng er
seat asfarb acka spossi bleorthep erson
of smaller statur eshoul dusearear seat.
- Ifth eP ASSENGER AIRBAGOFF indicat or
lam pislitcont inuously: thep erson of
smaller statur eshoul dnotuse thef ront
passeng erseat. &
WARNIN GRisk ofinju ryor deat hwhen
th eP ASSENGER AIRBAGO FFind icat or
lam pislit
If th eP ASSENGER AIRBAGO FFind icat or
lam premain slitaf te rt he system self-t est,
th ef ront passeng erair bag isdeactiv ated. It
will notb ed eplo yedi nt he eve ntofan acci ‐ Occu
pant safety 47

Yo
uw illne ed toper form certain settings your‐
self . #
Ifth es eat belt pre-t ension ingisno treduced,
mo vethes eat backres tb acks lightl y.
The locking mechanism releases. 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 ptivem easur estoprotect thev ehicle
occupants. Thesemeasur escanno tnecessar ily
pr eve ntan imm inentimpact.
PR E-S AFE ®
PL US can implem entthef ollo wing
measur esindependentl yofeacho ther :
R Tight ening thes eat belts onthed rive r's seat
and front passeng erseat.
R Vehicl eswith electricrear seats: tighten
th es eat belts ontheo uter rear seat s.
R Incr easin gbrake pressur ewhen thev ehicle
is statio nary.This brak ea pplication iscan‐
celed automaticall ywhen thev ehicle pulls
aw ay. If
an accident didnoto ccur ,the pre-em ptive
measur esthat we retake na rereve rsed.
Sy stem limit s
The system will notinitiat eanyaction inthef ol‐
lo wing situations:
R when backing up
The system will notinitiat eanybraking applica‐
tion inthef ollo wing situations:
R whils tdrivin g
or
R when entering orexitin gap arkin gspace
while using ActiveP arking Assist Saf
elyt ransp orting childr eninthev ehic le Alw
ayso bser vewhen childr enaret rave ling
in thev ehic le %
Alsostrictl yobserve thes afet yn otes fort he
specif icsituation. Inthis wa yy ou can recog‐
nize potentia lrisk sa nd avo iddang ersi fc hil‐
dr en aret rave ling inthev ehicle
(/ page50). Be
dilig ent
Bear inmind that neg lectingtos ecur eac hildin
th ec hild restra int system mayhave serious con‐
seq uences. Alwaysb ed iligent insecur ingachild
car efull ybefor ee very jou rney .
To improve protect ion forc hildr enyoung erthan
12 yearso ldor unde r5ft(1.50 m)inheight ,
Mer cedes- Benzrecom mends youo bse rvet he
fo llo wing informatio n:
R Alw ayss ecur ethe child inac hild restra int
sy stem suitable fort his Mer cedes-Benz vehi‐
cle.
R The child restra int system mus tbea ppr opr i‐
at et ot he age, we ight andsize ofthec hild.
R The vehicle seatmustbes uitable fori ns tal‐
ling achild restra int system.
Ac cid ent statis ticss howt hat childr ensecur ed
on ther ear seats areg ene rallys afer than chil‐
dr en secur edon thef ront seats. Forthis reason ,
Mer cedes-Ben zstrong lyadvis esthat youi nstall
ac hild restra int system onarear seat. Occupan
tsafet y 49

R
Obser vethew arning labels inthev ehicle
int erior and onthec hild restra int system.
R Also secur eTop Tether ifpr esent .
No tesf or vehicl eswith areclining rear seat
When installing achild restra int system, move
th er eclini ngrear seat backres ttoa nalmos t
upr ight posit ion.The recli ning rear seat backres t
mus tbeinc ontact with thec hild restra int sys‐
te m. Obser vethen otes on thec ushionbag
(/ page40).
If yo ui nstallac hild restra int system onthe
re cli ning rear seat ,bes uret oo bser vethec hild
re stra int system manuf acturer'sinstallation
ins truct ions .
Do notm odify thec hild restra int system &
WARNIN GRisk ofinju rydue tomodif i‐
cations tothec hild restra int system
The child restra int system maynolong er
func tion asitis supposed toifyo um ake
mod ificat ionsorattac ho bject stoit,e.g. toys
or unsuit ableaccessor ies.This poses an
incr eased risk ofinjur y! Ne
verm odify thec hild restra int system. Only
att acha ccessor ieswhic hthe manuf acturer
of thec hild restra int system has author ized
especiall yfor this ch ild restra int system. Onl
yusechild restra int systems whicharein
pr oper working condit ion &
WARNIN GRisk ofinju ryor deat hcaused
by theu seofdamag edchild restra int
sy stems
Child restra int systems ortheir retainin gsys‐
te ms that have been subjec tedt oal oad in
an acc iden tmaythen notb ea ble toper form
th eir intended protect ivef unc tion .
The child can notb erestrained inthee vent of
an acci dent, hea vybraki ng oras udden
ch ang eofdirect ion. #
Alw aysr eplace child restra int systems
immediat elyt hat have been damag edor
in vo lved inan acciden t. #
Have thes ecur ingsystems fort he child
re stra int systems checkeda taq ualified spec
ialistworks hop beforei nstalling a
ch ild restra int system again. Av
oid direct sunli ght &
WARNIN GRisk ofburnsw hen thec hild
seat isex posed todirect sunlight
If th ec hild restra int system isex posed to
dir ect sunlight orheat, partscould heatup.
Childr encould sufferb urns from these parts,
par ticular lyon metallic partsof thec hild
re stra int system. #
Alw aysm akes uret hat thec hild
re stra int system isno te xpo sedt o
dir ect sunlight . #
Protect itwit hab lanket,for exam ple. #
Ifth ec hild restra int system has been
ex posed todirect sunlight ,allowi tto
cool befores ecu ring achild intoit. #
Neverlea ve childr enunat tende dint he
ve hicle. 52
Occupant safety

re
stra ined inthee vent ofan acci dent, for
ex am ple. #
Ifth ec hild and thec hild restra int sys‐
te mt ogether weigh mor ethan 73lb
(33 kg),us eo nlyaL ATCH -type (ISOFIX )
ch ild restra int system that sec ures the
ch ild withthe vehicle seatbelt. #
Also secur ethe child restra int system
wit hthe TopT ether belt, ifav ailable. Alw
aysc om plyw itht he information aboutthe
mass ofthec hild restra int system:
R Inthem anuf actur er'sinstallation andoper at‐
ing instruct ions fort he child restra int system
used
R Onalabel onthec hild restra int system, if
pr esent
Re gular lych eckt hat thep ermissible gross mass
of thec hild and child restra int system isstill
com plied with. When
installing achild restra int system, obser ve
th ef ollo wing:
0073 Alw
ayso bser vethec orrect useo fthe seats
and consider their suit ability fora ttac hing a
ch ild restra int system.
0073 Alw
aysc om ply withthe manuf acturer's
ins tallation andoper atinginstruct ions for
th ec hild restra int system used.
0073 Mak
esuret hat thec hild's feet do nottouc h
th ef ront seat. Ifneces sary,mo vethef ront
seat slightl yforwa rds.
® When installing aLATCH -type (ISOFIX )
ch ild restra int system, also obser vethef ollo w‐
ing:
0073 When
usingaGroup 0/0+ babycarseat
and aGroup Irear ward-faci ng child
re stra int system onarear seat:ad jus t
th ef ront seat sothat thes eat does not
to uc ht he child restra int system.
0073 When
usingaGroup Ifor wa rd-facin g
ch ild restra int system: remo vetheh ead
re stra int from ther espectiv eseat, ifpossi‐
ble. Inaddition, theb ackres to fthe child re
stra int system mus t,as fara sp ossi ble, lie
fl at agains tthe bac kres to fthe vehicle seat.
Af tert he child restra int system has been
re mo ved, replace theh ead restra int simme‐
diat elya nd adjus tthem correctl y.
0073 Fo
rc ertain child restra int systems inwe ight
gr oup IIor III,t her em aybe restrictions on
th em aximum sizesetting, e.g. due topossi‐
ble con tact with ther oof.
0073 The
child restra int system mus tnotbe put
under stra in be tween ther oof and thes eat
cushion and/orbeinstalled facing the
wr ong direct ion. Wher epossi ble, adjus tthe
seat cushion inclination accordingly.
0073 The
child restra int system mus tnotbe put
under stra in by theh ead restra int .A dju st
th eh ead restra int sa ccording ly. 56
Occupant safety

no
tint er fere wit hthe cor rect routin gofTop
Te ther belt 4. Secur
ingthec hild restra int system withthe
seat belt Secu
ring thec hild restra int system withthe
seat beltonther ear seat
Wh eninst alling abelt- secur edchild restra int
sy stem, obser vethef ollo wing:
0073 Alw
aysc om plyw itht he manuf acturer's
ins tallation andoper atinginstruct ions for
th ec hild restra int system used.
0073 When
usingacategor y0/0+ babycar
seat andacategor yIrearward-faci ng
ch ild restra int system onarear seat:
ad jus tthe front seat sothat thes eat does
no ttouc hthe child restra int system.
0073 When
usingacategor yIforwa rd-facin g
ch ild restra int system: remo vetheh ead
re stra int from ther espectiv eseat, ifpossi‐
ble. Af
tert he child restra int system has been
re mo ved, replace theh ead restra int simme‐
diat elya nd adjus tthem correctly .
0073 The
backrest of thef orwa rd-facin gchild
re stra int system mus t,as fara sp ossi ble, be
re sting onthes eat backres to fthe rear
seat .
0073 Fo
rc ertain child restra int systems inwe ight
cat egor yIIo rIII,t her em aybe restrictions
on them aximum sizesetting, e.g. due to
possible contact with ther oof.
0073 The
child restra int system mus tnotbe put
under stra in be tween ther oof and thes eat
cushion and/orbeinstalled facing the
wr ong direct ion. Wher eposs ible, adjus tthe
seat cushion inclination accordingly.
0073 The
child restra int system mus tnotbe put
under stra in by theh ead restra int .A dju st
th eh ead restra int sa ccording ly.
0073 Mak
esuret hat thec hild's feet do nottouc h
th ef ront seat. Ifneces sary,mo vethef ront
seat slightl yforwa rds. The
seat beltsonthe follo wing seats aree quip‐
ped withac hildseat safetyf eatur e:
R Front passeng erseat
R Rear seat s
Ve hicl eswith seatbeltbuckle extender s:
when securingachild inac hild restra int system
on arear seat, obser vethef ollo wing notes:
R Mak esuret hat thes eat belt isfastened on
th ec hild restra int system accor dingtothe
manuf acturer'sinstallation instruct ions for
th ec hild restra int system.
R Forc hild restra int systems withab eltclam p:
eng aget he seat belttongu eintot he seat belt
buc klebeforey ou tight enthes eat belt using
th eb elt clam p.
When enabled, thec hild seat safetyf eatur e
ensur esthat thes eat belts ofthef ront
passeng erseat andrear seat sdon otslac ken
once thec hild restra int system issecur ed
(/ page55). Occ
upant safety 59

Smar
tKey Ov
ervie wo fSmar tKey functio ns &
WARNIN GRisk ofacci dent andinjury
due tochildr enleftu nat tende dint he
ve hicle
If ch ildr enarel eftu nat tende dint he vehicle,
th ey cou ld:
R Ope ndoors,t her ebye ndang ering other
per sons orroad user s.
R Getoutand bestru ck byoncom ingtraf‐
fi c.
R Ope rate vehicle equipment andbecome
tr apped, fore xamp le.
In addit ion,the childr encould alsosetthe
ve hicle inmo tion, fore xamp leby:
R Releasing thep arking brak e.
R Changing thet ransmiss ionposition .
R Startin gt he vehicle. #
Neverlea ve childr enunat tende dint he
ve hicle. #
When leaving thev ehicle, alwayst ake
th ek eywit hyou and lockthe vehicle. #
Keep thev ehicle keyo utofreac ho f
ch ildr en. *
NO
TEDama getothek eycaus edby
magne ticfields #
Keep thek eyaway from stro ng ma g‐
ne tic fields. %
The Smar tKey ma yvaryf romt heone shown
in thed iagr am, depending onthev ehicle
eq uipment. 1
Locks
2 Indicat orlam p
3 Unloc ks
4 Opens/closes thet runk lid
5 Panic alar m
% Ifch eckl am p2 does notlight upafte r
pr essing theÜ orß button,theb at‐
te ry iswe ak orposs iblyd ischar ged. Re place
th eb atterya ssoon aspossible.
Re place theS mar tKey batt ery( /pag e66).
The Smar tKey loc ksand unlockst he follo wing
com pone nts:
R Doo rs 64
Opening andclosing

#
Todeac tivate: press theß buttononthe
Smar tKey twi ce inqu icks ucc ession .
The Smar tKey indic ator lam pflashes twice
br ief lyand light supo nce. #
Toactiv ate: press anyb utton ontheS mar t‐
Ke y.
% When thev ehicle isstar tedw itht he Smar t‐
Ke yint he mar keds pace ofthec ent ercon ‐
sole, theS mar tKey functions area utom ati‐
cally activated (/ page173). Re
mo ving /ins ertin gthe eme rgency key #
Toremo ve:pr ess release knob 1.
Em erge ncy key2 ispush edout slightly. #
Pull outemer gency key2 untilit en gage sin
th ei nter mediat eposition . #
Press release knob 1 again and fully
re mo veemer gency key2 . #
Toinser t:press release knob 1. #
Inserte mer gency key2 tothei nter mediat e
position orfull yuntil iteng ages.
% Youc an use thei nter mediat eposition of
emer gency key2 toatt acht he Smar tKey to
ak eyring. Re
plac ingthe Smar tKey batt ery &
DANG ER Serious damag etoh ealt h
caused byswallo wing batteries
Batt eries cont aintoxic and corrosiv es ub‐
st anc es.Swallo wing batteries ma ycause
ser ious damag etoh ealt h.
Ther eisar iskoffata linj ur y. #
Keep batt eries out ofther eac hofchil‐
dr en. #
Ifbatt eries ares wallowe d,seek medical
att ent ion immediat ely. +
ENVIR
ONMEN TALN OTEEn vironme ntal
da ma gecau sed byimproper disposal of
batt eries Bat
teries con tain polluta nts. Itis
illeg alto dispose ofthem withthe household
ru bbish. #
Dispose
ofbatt eries inan
en vironmen tallyr esponsibl emanner .
Ta ke disc hargedb atteries toaq ualif ied
spec ialistworks hop ortoac ollec tion
poin tfor used batteries. Re
quirement s: 66
Openin gand closin g