2020 MERCEDES-BENZ S-CLASS isofix

Modif
iedordamag edseat belts could tear or
fa ilin thee vent ofan acci dent, fore xamp le.
Modif iedEmerge ncy Tensi oni ng Device smay
be deploy ed unint entionall yornotfunc tion
as intended. #
Neverm odify thes eat belts, Emergency
Te nsi oni ng Device s,sea tbelta ncho‐
ra ge so rseat belt retract ors. #
Makesur ethat thes eat belts aren ot
damag ed,aren otwo rnand arec lean. #
Alw aysh ave thes eat belts checked
immed iatelya fter an acci dent ata
qu alif ied spec ialistworks hop. Onl
yuseseat belts that area ppr ove dfor your
ve hicle byMer cedes-Ben z. &
WARNIN GRisk ofinju ryor deat hfrom
deplo yedp yrot ec hni cEmerg ency Ten‐
si oni ng Device s
Py rotech nic Emerg encyTensi oni ng Device s
th at have been deployeda reno long eroper a‐
tion aland areu nable toper form their inten‐
ded protect ivef unc tion . #
Ther efor e, have deplo yedp yrot ec hni c
Em erge ncy Tensi oni ng Device simm edi‐
at ely replaced ataq ualif iedspec ialist
wo rkshop. Mer
cedes-Benz recomme ndsthat youh avet he
ve hicle towe dtoaq ualifiedspec ialistworks hop
af te ra na ccide nt.
* NO
TEDama gecau sed bytrap ping the
seat belt If
an unused seatbeltisno tfully retract ed,it
ma ybecome trap pe dint he door orinthe
seat mechanism. #
Alw ayse nsur ethat anunused seatbelt
is full yretra cted . In
fo rm ation ontheb elt airbag inther ear
se at belt Th
eB ELTB AG ident ificat ion indic ates that ar ear
seat beltiseq uippe dwithab eltairbag .
When activat ed, theb elt airbag increases the
pr otect edarea ofthev ehicle occupant's ribcag e. &
WARNIN GRisk ofinju ryor deat h
th ro ugh theu seofan on-appr ovedchild
re stra int system
In an acciden t,th eb elt air bag maydamag e
an on-appr ovedornon-aut horized child
re stra int system.
As aresult, thec hild restra int system may
no tb ea ble toprov ide thei ntended leve lo f
pr otect ion. #
Ther efor e, alw aysu seLATC Ho rLATCH -
type (ISOFIX )tof astenac hildseat
eq uippe dwitha nintegr ated restra int
sy stem. #
Forv ehicles equipped withthe optional
re ar seat -beltair bags ("belt bag"), only
use aMerced es-Ben zappr oved boos ter
seat withintegr ated bac kres t. #
Neveru se an air bag equip ped seat belt
to fasten afront or rear-facin gchild
seat oran on-appr ovedboos ters eat. #
Plea secont actanauthor ized
Mer cedes-B enzCent erfori nfor mation
on app rove dc hild restra int systems. 38
Occupant safety

Gene
rict erm" child restra int system"
The gener icterm child restra int system isused
in this Oper ator's Manual. Achild restra int sys‐
te mi s,fore xamp le:
R Ababyc arseat
R Arear ward-faci ng child seat
R Aforwa rd-facin gchild seat
R Achild boos ters eat withab ackres ta nd seat
belt guide
Mer cedes-Benz recomme ndsusing achild
boos ters eat withab ackres t.
The child restra int system mus tbea ppr opr iate
to thea ge,w eight andsize ofthec hild.
Obser vinglaws and legalrequ irement s
Alw ayso bser vethel eg alrequ iremen tswhen
using achild restra int system inthev ehicle. Obser
vingstandar dsforc hild restra int sys‐
te ms
All child restra int systems mustmeetthe follo w‐
ing standar ds:
R U.S. Feder alMo torV ehicle SafetyS tandar ds
21 3a nd 225
R Canadi anMo torV ehicle SafetyS tandar ds
21 3a nd 210.2
Conf irmatio nthat thec hild restra int system
com plies withthe standar dscan befound onan
ins truct ion label onthec hild restra int system.
This confirm atio ncan also befound inthei nstal‐
lation instruct ions that arei nc luded withthe
ch ild restra int system. De
tectin grisk s,avo iding danger Secur
ingsystems forc hild restra int systems
in thev ehic le
Onl yusethef ollo wing secur ingsystems forc hild
re stra int systems:
R The LATC H-type (ISOFIX )mounting brac kets
R The vehicle's seatbeltsystem R
The TopT ether anchorages
Ins talling aLATCH -type (ISOFIX )child restra int
sy stem isprefer red.
Sim plya ttac hing tothes ecur ingrings onthe
ve hicle canreduce ther isk ofins talling thec hild
re stra int system incor rectl y.
When securingachild withthe integr ated seat
belt oftheL ATCH -type (ISOFIX )child restra int
sy stem, alwaysc om ply withthe per missible
gr oss weight fort he child and child restra int sys‐
te m( /pag e55).
Ab oos ters eat mayben ecessar ytoa chieve
pr oper seatbeltposition ingforc hildr enove r
40 lbs (18k g)inwe ight orunt ilth ey reac ha
heigh twher eat hree-point seatbeltcanbefitt ed
pr op erly wit hout aboos ters eat.
Mer cedes-Benz recomme ndsasuita blec hild
boos ters eat withab ackres ta nd seat beltguide.
Ad vantag eofar earward-faci ng child
re stra int system
It is prefer able totrans portab abyo ras mall
ch ild inas uitable rear wa rd-faci ng child restra int
sy stem. Inthis case, thec hild sitsintheo ppo‐ 50
Occupant safety

sit
ed irection tothed irect ion oftra vela nd faces
ba ckwa rds.
Babies andsmall childr enhave com parativ ely
we ak nec km usclesinrelation tothes ize and
we ight oftheir head. Therisk ofinjur ytot he cer‐
vical spine during anaccident canbereduced in
ar ear ward-faci ng child restra int system.
Alw ayss ecur eac hildrestra int system cor‐
re ctl y &
WARNIN GRisk ofinju ryor deat hcaused
by inc orrect ins tallation ofthec hild
re stra int system
If th ec hild restra int system isincor rectl y
ins talled onasuitable seatin gposit ion, it
can notp erform itsintended protect ivef unc ‐
tion .
The child can notb erestra ined inthee vent of
an acci dent, hea vybraki ng oras udden
ch ang eofdirect ion. #
Alw aysc om plyw itht he manuf acturer's
ins tallation instruct ions fort he child
re stra int system and itscor rect use. #
Makesur ethat thee ntireb ase ofthe
ch ild restra int system alwaysr ests on
th es itting surface ofthes eat. #
Neverp lace objects underorbehi nd
th ec hild restra int system, e.g.cush‐
ions. #
Alw aysu sechild restra int systems with
th eo riginal coverd esi gned fort hem. #
Alw aysr eplace damagedcovers wit h
ge nui ne covers. &
WARNIN GRisk ofinju ryor deat hfrom
unsecur edchild restra int systems inthe
ve hicle
If th ec hild restra int system isno tc orrectly
ins talled orsecur ed,itcould release inthe
ev ent ofan acciden t,sudden braking ora
sudden chang eind irect ion.
The child restra int system could beflung
ar oun dand hit vehicle occupants. #
Alw aysi ns tallch ild restra int systems
cor rectl y,eve nw henn otinuse. #
Alw aysc om plyw itht he child restra int
sy stem manuf acturer'sinstallation
ins truct ions . R
Alw ayso bser vethec hild restra int system
manuf acturer'sinstallation andopera ting
ins truct ions aswellas thev ehicle-spec ific
inf ormation:
- Installth eL ATCH -type (ISOFIX )child
re stra int system onther ear seat
(/ page55).
- Sec uret he child restra int system withthe
seat beltonther ear seat (/page59).
- Sec uret he child restra int system withthe
seat beltonthef ront passeng erseat
(/ page60). Obser vethes pecif ic
ins truction sfor ther ear ward-faci ng and
fo rw ard-f acin gchild restra int systems
(/ page60).
If th ef ront passeng erseat isoccupied,
ensur e,bo th bef orea nd dur ing thej our‐
ne y,that thes tatus ofthef ront
passeng erairbag iscor rect fort he cur‐
re nt situa tion(/pa ge45). Occupa
ntsaf ety 51

Ov
ervie wo fsuitable seatsinthev ehic lefori ns talling achild restra int system Secur
ingsystems forc hild restra int systems Ve
hicl eseat
Lef t/right rear seat
Prefer reds ecur ingsystem:
® LATC H-type (ISOFIX )child seat secur ingsys‐
te m
¯ AlsosecureT op Tether ifpr esent
(/ page57) Alt
ernati vesecur ingsystem:
R Vehicle seatbelt
Fr ont passeng erseat
Securing system:
R Vehicle seatbelt Be
suretoo bser ve:
R Ifth ef ront passeng erseat isoccupied, ensure,
bo th bef orea nd dur ing thej our ney,that thes ta‐
tus ofthef ront passeng erairbag iscor rect fort he
cur rent situa tion(/pa ge45) .
R Noteso na utomatic front passeng erairbag shut‐
of f(/ pag e44).
Cen terr ear seat
Securing system:
R Vehicle seatbelt
¯ Alsosecur eTop Tether ifpr esent
(/ page57) 54
Occupant safety

Ac
tiv atin g/deac tivatin gthe seat belt's spe‐
ci al seatbe ltre tract or &
WARNIN GRisk ofinju ryor deat hifa
seat beltisunf astened whilet he vehicle
is in mo tion
If th es eat belt isreleased whilethev ehicle is
in mo tion, thec hild restra int system isno
long ercor rectl ys ecu red. The child seat
saf etyf eatur eisd eac tivated and thes eat
belt isdraw nina bitb ythe iner tiareel.
It is ther efor en otpossible toeng aget he seat
belt again. #
Pull overand stop thev ehicle safely as
soon aspossible, paying attention to
ro ad and trafficc ondi tions . #
Activatet he child seat safetyf eatur e
ag ain and correctl ys ecu rethec hild
re stra int system. When
enabled, thes pecial seatbelt retract or
ens ures that thes eat belts ofthef ront
passeng erseat andrear seat sdon otslac ken
once thec hild restra int system issecur ed. The
seat belts onthef ollo wing seats aree quip‐
ped withas pecialseatb eltretract or:
R Front passeng erseat
R Rear seat s #
Toins tall achild restra int system: when
ins talling achild restra int system, always
obser vethem anuf actur er'sinstallation and
opera tinginstruct ions aswellas thei nfor ma‐
tion inthis Oper ator's Manual. #
Pull thes eat belt smoo thly from thes eat belt
outle t. #
Engage thes eat belt tongu eint he seat belt
buc kle. #
Toactiv atet he spe cial seatbelt retract or:
pu llth es eat belt outfully andlett he iner tia
re el retract itag ain.
Wh enthes pecial seatbelt retract orisacti va‐
te d, yous hould hear aratc heting sound. #
Pus hthe child restra int system down until
th es eat belt sitstight ly. #
Todeac tivatet he spe cial seatbe ltre trac‐
to r:press ther elease buttonofthes eat belt
buc kle. #
Hold thes eat belt tongu eand guideb ackt o
th es eat belt outle t. Ins
talling theL ATCH -type (ISOFI X)child
re stra int system onther ear seat In
st allin gaL ATCH -type (ISOFI X)child
re stra int system onther ear seat &
WARNIN GRisk ofinju ryor deat hifthe
per missible gross mass ofthec hild and
ch ild restra int system isexc eeded
Fo rL ATCH -type (ISOFIX )child restra int sys‐
te ms inwhic hthe child issecur edusing the
int egr ated seat beltinthec hild restra int sys‐
te m, thep ermissible gross mass ofthec hild
and child restra int system is73 lb(33 kg).
If th ec hild and thec hild restra int system
to ge ther we igh mor ethan 73lb(33 kg),th e
LA TC H-type (ISOFIX )child restra int system
wit hintegr ated seat beltdoes noto ffer suf fi‐
cie ntprotect ion. Anexc essiv eload maybe
placed ontheL ATCH -type (ISOFIX )child seat
att achments andthec hild maynotbe Occ
upant safety 55

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

Bef
oree very jour ney,mak esuret hat theL ATCH -
type (ISOFIX )child restra int system iseng aged
cor rectl yinb othm ounting brac kets inthev ehi‐
cle. *
NO
TEBecarefu lnot to damag ethe seat
belt fort he cent erseat when installing
th ec hild restra int system #
Mak esuret hat thes eat belt isno ttrap‐
ped. #
Vehicl eswith reclining rear seats: Tilt th e
re cli ning rear seat backres tb acks ligh tly
bef oret he LATC H-type (ISOFIX )child
re stra int system isins talled. #
Remo veuphol ster ed lining 1. #
Vehicl eswithout reclining rear seats: Fold
uphols tere dl ining 1upw ards. #
Turn thes uppor tonthe rear side ofuphol‐
st er ed lining 1by90°.
Up hols tere dl ining 1will remain folded
upw ards. #
Attach theL ATCH -type (ISOFIX )child
re stra int system toboth mounting brac kets
2 inthev ehicle. #
Vehicl eswith reclining rear seats: Retur n
th er eclini ngrear seat backres ttoa nu pright
posit ion.
The recli ning rear seat backres tm ustb ein
con tact with thec hild restra int system. Secur
ingaTop Tether &
WARNIN GRisk ofinju ryor deat hwhen
adjus tingthes eat afte ri ns talling achild
re stra int system
Ve hicles withe lectr ically adjustable rear
seat s:
If yo ua djus tthe seat afte ri ns talling achild
re stra int system, thef ollo wing mayoccur:
R thes eat belt mayeither sittool oose or
to ot ight
R thec hild restra int system can become
loose, incorrectly positioned ordamag ed
As aresult, thec hild restra int system may
no tb ea ble toprov ide thei ntended leve lo f
pr otect ion. Occ
upant safety 57

#
Nevera dju stthes eat afte ri ns talling
th ec hild restra int system. ¯
Ifth ec hild restra int system iseq uipped
wit haT opTether belt :
The risk ofinjur ycan be reduced byaTop
Te ther.T he TopT ether belt facil itat es an
ad ditiona lconnecti onbetween thec hild
re stra int system attached withL ATCH -
type (ISOFIX )and thev ehicle. #
Ifnecessar y,slide theh ead restra int 1
upw ards (/ page111). #
Foldup cover2 ofTopT ether anchorage
3. #
Installth eL ATCH -type (ISOFIX )child restra int
sy stem withTop Tether.C om plyw itht he
ch ild restra int system manuf acturer'sinstal‐
lation instruct ions when doing so. #
Guide TopT ether belt 4under head
re stra int 1 between thet wo head restra int
bar s. #
Hook TopT ether hook 5ofTopT ether belt
4 intoT op Tether anc horage3 without
twis ting. #
Tensi on TopT ether belt 4.C omplyw itht he
ch ild restra int system manuf acturer'sinstal‐
lation instruct ions when doing so. #
Folddo wn cover2 ofTopT ether anchorage
3. #
Ifnecessar y,slide head restra int 1 down‐
wa rds( / pag e111).Mak esuret hat youd o 58
Occupan tsafet y