2021 MERCEDES-BENZ GLS SUV belt

The
00E9 seatbeltwarning 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 1
Driver's knee airbag
2 Driver's airbag
3 Front passeng erairbag
4 Windo wcur tain airbag
5 Side airbag
The installation locationofan airbag isident ified
by theAIRB AGsymbol.
When enabled, anairbag canprov ide addition al
pr otect ion forth ere spectiv eve hicle occupant. Pot
entialprotect ion prov ided byeac hairbag:
R Knee airbag: thigh, knee and lowe rleg
R Driver's airbag,front pass engerairb ag:head
and ribcag e
R Windo wcur tain airbag: head
R Side airbag: ribcag eand pelvis &
WARNIN GRisk ofinju ryor fata linj uries
if th efront passeng erairbag isenabled
If th efront passeng erairbag isenabled, a
ch ild on thefront passeng erseat maybe
st ru ck bythefront passeng erairbag during
an acciden t.
NEVE Ruse are ar wa rdfacing child restra int
sy stem onaseat protect edbyan ENABLED
FR ONT AIRB AG infront ofit,this can result in
DEA THorSERIOUS INJURYto thech ild. When
installing ach ild restra int system onthe
fr ont passeng ersea t,obse rveth eve hicle-spe‐
cif icinf ormation (/page62). Also, always
obser vetheno teson rear wa rd-faci ng or
fo rw ard-f acin gch ild restra int systems onthe
fr ont passeng ersea t. 42
Occupa ntsaf ety

Inf
orma tion onautomatic fron tpass enger
airbag shutoff
The front passeng erairbag canonlybe dep loye d
in an acc ident ifth ePA SSENGER AIRBAGOF F
ind icat orlam pis off.Ifth efront passeng erseat
is occupied, makesur e,bo th bef oreand during
th ejour ney,that thest atus ofthefront
passeng erairbag iscor rect (/ page 47).
* NO
TEImpo rtant poin tsto remember if
th efront passeng erseat isunocc upied In
an acciden t,th ecom ponen tsof the
re stra int system maydeplo yunnec essarily
on thefront passeng erside if:
R Ther ear ehea vyobjec tson thefront
passeng erseat.
R The seat belttongu eis eng aged inthe
seat beltbuckleofthefront passeng er
seat andthefront passeng erseat is
unocc upied. #
Stow object sin asuit able place. #
Onlyone person should useeachseat
belt atanyone time. Depending
onthede tected acci dent situation,
th ewindo wcur tain airbag onthefront
passeng erside maydeplo y.The airbag is
deplo yedre ga rdless ofwhe ther thefront
passeng erseat isoccupied.
Inf ormat iononthecush ionbag inthere clin‐
ing rear seat
The cushi onbag offers addit ionalocc upant pro‐
te ction intheeve ntoffront alimpacts. When
acti vated, thecushionbag deploysund erthe
seat cushion. Thishelps preve nttheve hicle
occupant from slipping offth eseat cushion.
If yo uins talla ch ild restra int system onthe
re cli ning rear seat ,alw aysobser vetheadditional
no tes(/ page52). Pr
otection prov ided bytheair bags Dep
endingontheacciden tsituation ,an airbag
ma ysupplement thepr otect ion prov ided bya
cor rectl yfa stened seatbelt. &
WARNIN GRisk ofinju ryor deat hdue to
an incorrect sea tpos ition
If yo ude viat efrom thecor rect sea tpos ition,
th eairbag cannotper form itsintended pro‐
te ctiv efuncti on.
Eac hve hicle occupant mustmak esur eof the
fo llo wing:
R Fasten seat belts correctl y.Pregnant
wo men mustta ke par ticular careto
ensur eth at thelap belt neverlie sacr oss
th eabdomen.
R Adoptth ecor rect sea tpos ition and keep
as faraw ay as poss iblefrom theairbags.
R Obser vethefo llo wing informatio n. #
Alw aysmak esur eth at ther ear eno
objec tsbetween theairbag andvehicle
occupant. To
avo idtherisk sre sulting from thedeplo yment
of an airbag, eachve hicle occupant must
obser vethefo llo wing informatio nin par ticular :
R Beforest ar tin gyo ur jour ne y,adjus tyo ur seat
co rrect ly;th edr iver's seat andfront Occ
upant safety 43

#
Donotpl ace anyob jects betwee nth e
sitting surface and thech ild restra int
sy stem. #
The entire base ofthech ild restra int
sy stem mus talw aysre st on thesitt ing
sur face ofthefront passeng erseat. #
The backres tof thefo rw ard-f acin gch ild
re stra int system mus t,as faras possi ‐
ble, beresting ontheseat backres tof
th efront passeng erseat. #
Alw ayscom plywit hth ech ild restra int
sy stem manuf acturer'sinstallation
ins truct ions . A
per son onthefront passeng erseat must
obser vethefo llo wing informatio n:
R Fasten seat belts correctl y(/ page 38).
R Sitinan almos tupr ight seatposi tion with
th eir bac kag ains tth eseat backres t.
R Sitwithth eir feet resting onthefloor ,if pos‐
sible. The
front passeng erairbag mayot her wise be
disabl edbymis take ,fo rex am ple, inthefo llo w‐
ing situat ions:
R The front passen gertr ansf ersth eir weight by
suppor tingthemselv eson ave hicle armr est.
R The front passeng ersits insuc hawa yth at
th eir weight israised from thesitt ing sur‐
fa ce. &
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 psdispl aythe
st atus ofthefront passeng erairbag.
Alw aysobser vetheno teson thefunc tion ofthe
PA SSENGER AIRBAGind icat orlam ps
(/ page47 ). 46
Occupant safety

Alw
aysensur eth at thefront passeng erair‐
bag isdisabled. ThePASSENGER AIRBAG
OFF indicat orlam pmus tbe lit.
NEVER useare ar wa rd-faci ng child restra int
sy stem onaseat withan ENABL EDFRONT
AIRB AG;DE ATHor SERIOU SINJU RYtothe
CH ILD can occur . When
installing ach ild restra int system onthe
fr ont passeng ersea t,obse rveth eve hicle-spe‐
cif icinf ormation (/page62).
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. &
WARNIN GRisk ofinju ryor deat hdue to
inc orrect pos itioning ofthefo rw ard-
fa cing child restra int system
If yo usec ureach ild inafo rw ard-f acin gch ild
re stra int system onthefront passeng erseat
th at isposit ioned tooclose tothecoc kpit, in
th eev ent ofan acciden t,th ech ild could:
R com eint ocon tact with theve hicle inte‐
ri or ifth ePA SSENGER AIRBAGOF Find i‐
cat orlam pis lit,fo rex am ple
R bestru ck bytheairbag ifth ePA SSENGER
AIR BAGOF Find icat orlam pis off. #
Alw aysmo vethefront passeng erseat
as farbac kas possi bleand fully retract
th eseat cushion lengthadjus tment.
While doing so,alwaysmak esur eth at
th eshoulder beltstra pis cor rectl y
ro uted from theseat beltoutle tof the
ve hicle totheshoulder beltguide on
th ech ild restra int system. Theshoulder
belt stra pmus tbe routed forw ards and
do wn wardsfrom theseat beltoutle t.If
neces sary,adjus tth eseat beltoutle t and
thefront passeng erseat accor d‐
ing ly. #
Alw ayscom plywit hth ech ild restra int
sy stem manuf acturer'sinstallation
ins truct ions . When
installing ach ild restra int system onthe
fr ont passeng ersea t,obse rveth eve hicle-spe‐
cif icinf ormation (/page62).
If aper son issitting onthefront passeng er
seat :PA SSENGER AIRBAGOF Fma ybe litcon ‐
tin uousl yor be off,depen dingon theper son's
st atur e.
A per son onthefront passeng erseat must
alw aysobser vethefo llo wing informatio n:
R Ifth efront passeng erseat isoccupied byan
adult oraper son withast atur ecor respond‐
ing tothat ofan adult ,th ePA SSENGER AIR
BA GOF Find icat orlam pmus tbe off.This
ind icat esthat thefront passeng erairbag is
enabled.
If th ePA SSENGER AIRBAGOF Find icat or
lam pis lit con tinuousl y,an adult orper son 48
Occupan tsaf ety

wit
habuild corresponding tothat ofan adult
shoul dno tuse thefront passeng erseat.
Ins tead, they should useare ar seat .
R Ifth efront passeng erseat isoccupied bya
per son ofsmaller statur e(e. g.ate enag eror
small adult), thePA SSENGER AIRBAGOF F
ind icat orlam peit her light sup con tinuousl y
or remains off,depe nding ontheclassif ica‐
tion .
- Ifth ePA SSENGER AIRBAGOF Find icat or
lam pis off:mo vethefront passeng er
seat asfarbac kas possi ble,ortheper‐
son ofsmaller statur eshoul duse are ar
seat .
- Ifth ePA SSENGER AIRBAGOF Find icat or
lam pis lit con tinuousl y:theper son of
smaller statur eshoul dno tuse thefront
passeng erseat. &
WARNIN GRisk ofinju ryor deat hwhen
th ePA SSENGER AIRBAGOF Find icat or
lam pis lit
If th ePA SSENGER AIRBAGOF Find icat or
lam pre mains litafte rth eself-t est,th efront
passeng erairbag isdisabled.
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. Be
sureto also obse rveth efo llo wing further
re lat ed subje cts:
R Sec uring thech ild restra int system onthe
fr ont passeng ersea t(/ page62) 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 passe nger comp artment :mo vethe
out errear seat sto amor efa vo rable seat
position . Occ
upant safety 49

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 certainse ttings your‐
self . #
Ifth eseat beltpre-t ension ingisno tre duced,
mo vetheseat backres tbac kslightl 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 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
or
R when theve hicle istowing atrailer andther e
is arisk ofare ar impact
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 50
Occupant safety

R
The vehicle seatmustbe suit able forins tal‐
ling ach ild restra int system.
Ac cid ent statis ticssho wthat childr ensecur ed
on there ar seat sar ege ner ally saf erthan chil‐
dr en secur edon thefront seats. Forth is reason ,
Mer cedes-Ben zst ro ng lyad vis es that youins tall
a ch ild restra int system onare ar seat .
Th ege ner icterm child restra int system
The gener icterm child restra int system isused
in this Opera tor's Manua l.A ch ild restra int sys‐
te m is, forex am ple:
R abab ycar seat
R are ar wa rd-faci ng child seat
R afo rw ard-f acin gch ild seat
R ach ild boos terseat withabac kres tand seat
belt guide
Mer cedes-Benz recomme ndsusing ach ild
boos terseat withabac kres t.
The child restra int system mus tbe appr opriate
to theag e, we ight andsize ofthech ild. Obser
velaws and legalrequ irement s
Alw aysobser vetheleg alrequ iremen tswhen
using ach ild restra int system intheve hicle.
Obser vestandar dsforch ild restra int sys‐
te ms
All child restra int systems mustmee tth efo llo w‐
ing standar ds:
R U.S. Feder alMo torVe hicle SafetySt andar ds
21 3and 225
R Canadi anMo torVe hicle SafetySt andar ds
21 3and 210.2
Conf irmatio nth at thech ild restra int system
com plies withth est andar dscan befound onan
ins truct ion label onthech ild restra int system.
This confirm atio ncan also befound intheins tal‐
lation instruct ions that areinc luded withth e
ch ild restra int system. De
tectin grisk s,avo iding danger Secur
ingsystems forch ild restra int systems
in theve hicl e
Only usethefo llo wing secur ingsystems forch ild
re stra int systems:
R theLA TC H-type (ISOFIX )mou nting brac kets
R theve hicle's seatbeltsystem
R theTo pTe ther anc horages
Ins talling aLA TC H-type (ISOFIX )ch ild restra int
sy stem isprefer red.
Sim plyattaching tothesecur ingrings onthe
ve hicle canreduce therisk ofins talling thech ild
re stra int system incor rectly .
Whe nsecu ring ach ild withth eint egr ated seat
belt oftheLA TC H-type (ISOFIX )ch ild restra int
sy stem, alwayscom plywit hth eper missible
gr oss weight forth ech ild and child restra int sys‐
te m (/ page57 ).
A boos terseat maybe necessar yto achie ve
pr oper seatbeltposition ingforch ildr enove r
40 lbs (18 kg )in we ight orunt ilth ey reac ha 52
Occupan tsaf ety

height
whereath re e-point seatbeltcanbefas‐
te ned prop erly without aboos terseat.
Mer cedes-Benz recomme ndsasu itab lech ild
boos terseat withabac kres tand seat beltguide.
Ad vantag eof are ar wa rd-faci ng child
re stra int system
It is prefer able totrans portabab yor asmall
ch ild inasuit able rear wa rd-faci ng child restra int
sy stem. Inthis case, thech ild sits intheoppo‐
sit edir ect ion tothedir ect ion oftra veland faces
ba ckwa rds.
Babies andsmall childr enhave com parativ ely
we ak nec kmusc lesinrelation tothesize and
we ight oftheir head. Therisk ofinjur yto thecer‐
vical spine during anacciden tcan bereduced in
a re ar wa rd-faci ng child restra int system. Alw
ayssecur each ild restra int system cor‐
re ctl y &
WARNIN GRisk ofinju ryor deat hdue to
inc orrect ins tallation ofthech ild
re stra int system
The child can then notbe protect edor
re stra ined asintended . #
Besureto com plywith themanuf actur‐
er's installation instruct ions forth e
ch ild restra int system and itscor rect
us e. #
Makesur eth at theent ire base ofthe
ch ild restra int system alwaysre stson
th esitt ing surface oftheseat. #
Neverpla ceobjects (e.g.cushi ons)
under orbehi ndthech ild restra int sys‐
te m. #
Use child restra int systems onlywit h
th eor iginal coverdesi gned forth em. #
Alw aysre place damag edcovers wit h
ge nui ne covers. &
WARNIN GRisk ofinju ryor deat hdue to
uns ecur edchild restra int systems inthe
ve hicle
If th ech ild restra int system isincor rectl y
ins talled ornotsecur ed,itcan com eloose.
The child restra int system could beflung
ar oun dand hitvehicle occupants. #
Alw aysins tallch ild restra int systems
cor rectl y,eve nwh en notin use. #
Alw ayscom plywit hth ech ild restra int
sy stem manuf acturer'sinstallation
ins truct ions . R
Alw aysobser vethech ild restra int system
manuf acturer'sinstallation andopera ting
ins truct ions aswellas theve hicle-specif ic
inf ormation:
- Installing theLA TC H-type (ISOFIX )ch ild
re stra int system onthere ar seat
(/ page57 ).
- Securing thech ild restra int system with
th eseat beltonthere ar seat
(/ page61 ). Oc
cupa nt safety 53