Page 57 of 450

A
boo ster sea tma ybe nece ssaryto achie ve
pr oper seatbeltpositionin gfo rch ildr enover
40 lbs (18 kg)inwe ight oruntil they reac ha
heig htwher eath re e-point seatbeltcanbefas-
te ned prope rly wit hout aboos terseat.
Mer cedes-Benz recommen dsasuit able child
boost erseat withabac krest and seat beltguide.
A A
dv dv
ant ant
ag ag
eof ar e
of arear w ear
war ar
d-f d-f
acing c acing
child r hild
res estr tr
aint sy aint
sys- s-
t t
em em
It is prefer able totransp orta bab yor asma llch ild
in asuit able rear wa rd-faci ng child restr aint sys-
te m. Inthis case, thech ild sits intheopposit e
dir ection tothedir ection oftrav el and faces back-
wa rds.
Babi esand small childr enhave com parativ ely
we ak nec kmuscle sin relation tothesize and
we ight oftheir head. Therisk ofinjuryto thecer -
vical spine during anaccident canbereduced ina
re ar wa rd-faci ng child restr aint system . Alw
ay Alw
ayssecur s
secur eac e
achild r hild
res es
tr tr
aint syst aint
system corr em
correctl y ectl
y &
W W
AR NIN G AR
NIN GRisk ofinjuryor deat hdue to
incor rect ins tallation ofthech ild restr aint
sy stem
Th ech ild can then notbe protect edor
re str ained asintend ed. #
Besure tocom plywit hth emanuf actur-
er's installation instruction sfo rth ech ild
re str aint system andits co rrect use. #
Mak esur eth at theentir ebase ofthe
ch ild restr aint system alwa ys rests on
th esitting surface oftheseat. #
Neverplace objects (e.g.cushions)
under orbehind thech ild restr aint sys-
te m. #
Use child restr aint system son lywit hth e
or iginal coverdesigned forth em. #
Alwaysre place damag edcovers wit h
ge nuine covers. &
W W
ARNI NG ARNI
NGRisk ofinjur yor dea thdue to
unsecur edchild restr aint system sin the
ve hicle
If th ech ild restr aint system isinc orrectl y
ins talled ornotsecur ed,itcan come loose.
The child restr aint system could be 0ung
ar oun dand hitvehicle occupan ts. #
Alwaysins tallch ild restr aint system sco r-
re ctl y,ev en when notin use. #
Alwayscom plywit hth ech ild restr aint
sy stem manufac ture r's inst allation
inst ruction s. R
Alwaysobser vethech ild restr aint system
ma nufac ture r's inst allation andoper ating
inst ruction sas wellas theve hicle-spe ci/c
inf ormatio n:
- Installing theLA TC H-ty pe(ISOFI X)child
re str aint system ontheright and leTrear
seats (/page58).
- Secur ing thech ild restr aint system with
th eseat beltonthere ar seat
(/ page62) . Occupan
tsaf ety
55 55
Page 58 of 450

-
Sec uring thech ild restr aint system with
th eseat beltonthefront passeng erseat
(/ page64). Obser vethespeci/c
inst ruction sfo rth ere ar wa rd-faci ng and
fo rw ard-f acing child restr aint system s
(/ page 63).
If th efront passeng erseat isoccupied,
ensur e,bo th bef oreand during thejour -
ne y,that thestatus ofthefront passeng er
airbag iscor rect forth ecur rent situ atio n
(/ page49).
R Obs erve thewa rning labels intheve hicle inte-
ri or and onthech ild restr aint system .
R Alsose cu re TopTe ther ifpr esent.
Do no Do
notmodify t t
modify the c he
child r hild
res estr tr
aint syst aint
system em
&
W W
ARNIN G ARNIN
GRisk ofinjur ydue tomodi/ca-
tions tothech ild restr aint system
Th ech ild restr aint system can nolongerfunc-
tion proper ly.This posesan incr easedrisk of
inj ury. #
Nevermodify ach ild restr aint system . #
Onlya1x accessor ieswhic hha ve been
speciall yappr ovedfo rth is ch ild restr aint
sy stem bythech ild restr aint system 's
ma nufac ture r. OnlOnl
yuse c y
use child r hild
res est
r tr
aint syst aint
systems whic ems
whichar h
ar ein e
in
pr pr
oper w oper
wor or
king conditi on king
conditi on &
W W
ARNIN G ARNIN
GRisk ofinjuryor deat hcaused
by theuse ofdamag edchild restr aint sys-
te ms
Child restr aint system sor their retaining sys-
te ms that have been subject edtostr essin an
ac cide nt ma yno tbe able toper form their
int ended protectiv efunction .
It ma ybe thecase that thech ild canno tbe
pr oper lyrestr ained . #
Alwaysimmed iatelyre place child
re str aint system sth at have been dam-
ag ed orinvo lved inan accident. #
Have thesecur ingsystems forth ech ild
re str aint system sch eckedat aqu ali/ed
special istwo rkshop beforeins talling a
ch ild restr aint system again. AA
v v
oi d dir oi
d direc tsu nli gh t ec
tsu nli gh t &
W W
ARN ING ARN
INGRiskof burnswhen thech ild
seat isex posed todirect sunlight
If th ech ild restr aint system isex posed to
dir ect sunlight orheat, partscould heatup
ex cessiv ely.
Childr encould su.er burnsfrom these parts,
par ticular lytheme tallic partsof thech ild
re str aint system . #
Alwaysmak esur eth at thech ild restr aint
sy stem isno tex posed todirect sunlight. #
Coverth ech ild restr aint system with a
blank et,fo rex am ple. #
Ifth ech ild restr aint system hasbe en
ex posed todirect sunlight, allowitto
cool beforesecur ingach ild intoit. #
Neverlea vechildr enunatt ended inthe
ve hicle. 5656
Occupan
tsaf ety
Page 59 of 450

Obser
v Obser
ve when st e
when stopping orpar opping
orpar king king
&
W W
ARNIN G ARNIN
GRisk ofaccident andinjurydue
to childr enleT unatt ended intheve hicle
If ch ildr enareleT unsuper visedintheve hicle,
th ey could, inpar ticul ar:
R open doors,ther eb yendang ering other
per sons orroad user s.
R getout and bestruckby oncoming tra1c.
R oper ateve hicle equipme ntand become
tr apped, forex am ple.
In addit ion,th ech ildr encould alsosetth e
ve hicle inmo tion ,fo rex am ple by:
R releasing thepar king brak e.
R chang ingthetransmission position.
R star ting theve hicle. #
Neverlea vechildr enunatt ended inthe
ve hicle. #
When leavingth eve hicle, alwaysta ke the
Sma rtKe ywit hyo uand lockth eve hicle. #
Keep theve hicle SmartKey out ofreac h
of childr en. &
W W
ARNIN G ARNIN
GRisk offata linjur ydue toexpo-
sur eto extreme heator cold intheve hicle
If per sons, particu larlych ildr en, aresubject ed
to prolong edexposur eto intense heatorcold,
th er eis arisk ofsevere injur yor even deat h. #
Neverlea veper sons, particular lych il-
dr en, unatt ended intheve hicle. OvOv
er er
vie vie
wof suit w
of suit able seats int able
seats inthe v he
vehicle f ehicle
for ins t or
ins tal- al-
lin gac lin
gachild r hild
res es
tr tr
aint syst aint
system em
LeT/rLeT/r
ight ight
r r
ear seat ear
seat
Se cond row of seats (leTandright seat)–pr efer -
re dsecur ingsystem:
® LATC H-ty pe(ISOFI X)child seat secur ing
sy stem
¯ Alsosecur eTo pTe ther ifpr esent
(/ page61). Thir
dro w of seats –pr efer redsecur ingsystem:
® LATC H-ty pe(ISOFI X)child seat secur ing
sy stem
¯ Alsosecur eTo pTe ther ifpr esent
(/ page61).
LeT/ right rear seat (secon dand third seat row) –
alt ernat ive secur ingsystem:
0076 Vehicle seatbelt
¯ Alsosecur eTo pTe ther ifpr esent
(/ page61).
F F
r r
ont passeng ont
passeng erseat er
seat
Secur ingsystem:
0076 Vehicle seatbelt
Be sureto obser ve:
R Ifth efront passeng erseat isoccupied,
ensur e,bo th bef oreand during thejour ney,
th at thestatus ofthefront passeng erairbag is
cor rect forth ecur rent situ atio n(/ page49).
R Noteson automati cfront passen gerairbag
shut o.(/ page48). Occupant
safety
57 57
Page 60 of 450

CentCent
err er
rear seat (seco ndseat ro ear
seat (second seatrow) w)
Se cur ing system:
0076 Vehicle seatbelt
¯ Alsosecur eTo pTe ther ifpr esent
(/ page61). AA
ctiv ctiv
ating/deactiv ating/deactiv
atingt ating
the c he
child seat safe hild
seat safety f ty
fea- ea-
tur tur
eof t e
of the seat belt he
seat belt &
W W
ARNIN G ARNIN
GRisk ofinjur yor deat hifaseat
belt isunf astened while theve hicle isin
mo tion
If th eseat beltisreleased whiletheve hicle is
in mo tion ,th ech ild restr aint system isno lon-
ge rcor rectl ysecur ed.The child seat safety
fe atur eis deact ivat ed and theseat beltis
dr aw nin abit bytheiner tiareel.
It is ther efor eno tpossible toeng ageth eseat
belt again. #
Pull overand stop theve hicle safelyas
soon aspossibl e,paying attent ion to
ro ad and tra1c cond itions. #
Activateth ech ild seat safetyfe atur e
ag ain and correctl ysecur eth ech ild
re str aint system . Wh
enena bled ,th ech ild seat safetyfe atur e
ensu resth at theseat belts ofthefront passeng er
seat andrear seats donotslac kenonce thech ild
re str aint system isse cu red.
Inst Inst
alling ac alling
achild r hild
res est
r tr
aint syst aint
system: em:
#
Alwayscom plywit hth emanuf acturer'sinstal-
lation instruction swhen installing andremo v-
ing thech ild restr aint system . #
Pullth eseat beltsmoo thly from theseat belt
outle t. #
Eng ageth eseat belttongue intheseat belt
buc kle.
A A
ctiv ctiv
ating t ating
the c he
child seat safe hild
seat safety f ty
featur eatur
e: e:
#
Pull theseat beltoutfullyand letth einer tia
re el retract itag ain.
When thech ild seat safetyfe atur eis activ a-
te d,y ou should hearara tche ting sound . #
Push thech ild restr aint system down untilth e
seat beltsitstightl y. Deactiv Deactiv
atingt ating
the c he
child seat safe hild
seat safety f ty
featur eatur
e: e:
#
Press there lease buttonoftheseat belt
buc kle. #
Hold theseat belttongue andguide itbac kto
th eseat beltoutle t. InstInst
alling aLA TC allin
gaLA TC H-ty pe(ISOFI X)c H-ty
pe(ISOFI X)chil dr hil
dres estr tr
ain t ain
t
sy st sy
stem ont em
onthe he
leT leT
and r and
righ tr igh
trea rse ats ea
rse ats InstInst
alling aLA TC allin
gaLA TC H-ty pe(ISOFI X)c H-ty
pe(ISOFI X)chil dr hil
dres estr tr
ain t ain
t
sy st sy
stem ont em
onthe he
leT leT
and r and
righ tr igh
trea rse ats ea
rse ats &
W W
ARNI NG ARNI
NGRisk ofaccid ent ifth ere ar
ben chseat, rear seat andseat backres t
ar eno teng aged
The rear ben chseat, rear seat andseat back-
re st ma yfo ld forw ards, even when youar e
dr iving.
R Asare sult ,th eve hicle occupan twill be
pushed intoth eseat beltwithincr eased
fo rc e. The seat beltwillnotbe able topro-
te ct as intende dand could cause addi-
tion alinj ury. 5858
Occupa
ntsaf ety
Page 61 of 450

R
Objects orloads inthetrunk orcar go
com partment willnotbe restr ained bythe
seat backres t. #
Mak esur eth at there ar ben chseat, the
re ar seat andtheseat backrest are
eng aged bef oreev erytrip. If
th ere ar seat backres tis no teng aged and
loc kedin place, there dloc kve ri/catio nindic ator
wil lbe visib le. &
W W
AR NIN G AR
NIN GRisk ofinju ry or deat hifth e
per missible gross mass ofthech ild and
ch ild restr aint system toge ther isexcee-
ded.
To omuc hload maybe placed ontheLA TC H-
typ e(ISOFI X)child restr aint system andth e
ch ild ma yno tbe restr ained correctl yin the
eve ntofan accid ent, forex am ple. #
Ifth ech ild and thech ild restr aint system
to get her weigh mor eth an theper missi-
ble gross mass of73 lb(33 kg),onl yuse
a LA TC H-ty pe(ISOFI X)child restr aint sy
stem with whic hth ech ild issecur ed
wit hth eve hicle seatbelt. #
Also secur eth ech ild restr aint system
wi th theTo pTe ther belt, ifav ailabl e. Alw
ayscom plywit hth einf ormation aboutthe
mass ofthech ild restr aint system :
R Inthemanuf acturer'sinstallation andoper at-
ing inst ruction sfo rth ech ild restr aint system
us ed
R Onalabe lon thech ild restr aint system ,if
pr es ent
Re gula rly ch eckth at theper missible gross mass
of thech ild and child restr aint system issti llco m-
pl ied wi th.
When installing ach ild restr aint system ,ob serve
th efo llo wing:
0073 Alwaysobser vethecor rect use oftheseats
and consider their suit ability foratt aching a
ch ild restr aint system .
0073 Alwayscom plywit hth emanuf acturer's
inst allation andoper ating instruction sfo rth e
ch ild restr aint system used . 0073
Makesur eth at thech ild's feet do notto uc h
th efront seat. Ifnecessar y,mo vethefront
seat slightl yfo rw ards.
® When installing aLA TC H-ty pe(ISOFI X)child
re str aint system ,al so observeth efo llo wing:
0073 When usingabab When
usingabab ycar seat inw y
car seat inweight gr eight
group oup
0/0+ andar 0/0+
andarear w ear
war ar
d-f d-f
acing c acing
child r hild
res est
r tr
aint aint
sy st sy
stem inw em
inweight gr eight
group Ion ar oup
Ion arear seat ear
seat: :
adjus tth efront seat sothat theseat does
no tto uc hth ech ild restr aint system .
0073 Whenusing af Wh
enusing afor w or
war ar
d-f d-
fac ing c ac
ing chi ld r hi
ld res est
r tr
ai nt ai
nt
sy st sy
stem inw em
inwei gh tgr eight
group I: oup
I:re mo vethehead
re str aint from there specti veseat, ifpossibl e.
In addit ion,th ebac krest ofthech ild restr aint
sy stem mustlie as 0at asposs ibleag ain st
th ebac krest oftheve hicle seat.
ATer thech ild restr aint system hasbe en
re mo ved, replace thehead restr aint imme di-
at elyand adjustall head restr aints correctl y.
0073 When usingac When
usingachild r hild
res estr tr
aint syst aint
system ona em
ona
seat ont seat
onthe t he
thir hir
dro d
ro w of seats: w
of seats: adjustthe
fr ont seat so that itdoes notto uc hth ech ild
re str aint system andmo vetheseat backrest Occupant
safety
59 59
Page 62 of 450

of
thefront seat intoan upr ight position if
necessar y.
0073 Ifth ehead restr aint ofthech ild seat canno t
be fullyex tended when itis inst alled inthe
ve hicle, this will result inrestr iction son the
maximum sizesettin gfo rch ild restr aint sys-
te ms inwe ight group IIor III.
Cont actwithth ero of when thehead
re str aint isful lyex tended andlockedin place
will notre sult inanyre str iction son use.
0073 Thech ild restr aint system mustno tbe put
und erstr ain be twee nth ero of and theseat
cushion and/orbeinst alled facing thewr ong
dir ection. Wherepossible, adjusttheseat
cushion inclination accordingly.
0073 Thechild restr aint system mustnotbe put
und erstr ain by thehead restr aint. Adjust the
head restr aints asappropr iate . #
Beforeev eryjour ney,mak esur eth at the
LA TC H-ty pe(ISOFI X)child restr aint system is
co rrectl yeng aged inbo th mounti ngbrac kets
in theve hicle. *
N NO O
TE TE
Damag eto theseat beltforth ecen-
te rseat during inst allation ofthech ild
re str aint system #
Makesur eth at theseat beltisno ttr ap-
ped. RR
ear benc ear
benc hseat (second ro h
seat (secon dro w of seats): w
of seats): #
Attach theLA TC H-ty pe(ISOFI X)child restr aint
sy stem toboth LATC H-ty pe(ISOFI X)mou nting
br ac kets 1.
V V
ehic leswit ehic
leswithat h
athir hir
dro d
ro w of seats: w
of seats: #
Attach theLA TC H-ty pe(ISOFI X)child restr aint
sy stem toboth LATC H-ty pe(ISOFI X)mou nting
br ac kets 1. 6060
Occ
upant safety
Page 63 of 450

FF
ast ast
eni ng aT eni
ng aTop Tet op
Tether her
&
W W
AR NIN G AR
NIN GRisk ofinjuryor deat hifth e
re ar seat backres ts areno tloc kedaTer
To pTe ther belts areinst alled
The rear seat backres ts ma yfo ld forw ards
when youar edr iving.
As are sult ,ch ild restr aint system swi llno lon-
ge rbe able toper form their intended protec-
tiv efunction .This mayalso cause additional
injur ies. #
Alwaysloc kre ar seat backres ts aTer
ins talling TopTe ther belts. #
Obser vetheloc kve ri/catio nindic ator . If
th ere ar seat backres tis no teng aged and
loc kedin place, there dloc kve ri/catio nindic ator
wil lbe visib le.
¯ Ifth ech ild restr aint system iseq uipp ed
wi th aTo pTe ther belt:
The risk ofinjuryma ybe reduced byTop
Te ther.The TopTe ther belt enables an
additional connection between thech ild
re str aint system atta ch ed withLA TC H-ty pe (I
SOFI X)(leT and right rear seats) orthe
seat belt(allrear seats) andtheve hicle.
The TopTe ther anc horages forth esecond row of
seats arelocat edon thebac kof theseat back-
re st. Forth eth ird ro w of seats, usetheTo pTe ther
anc horageon thebac kof theseat backrest. Second
row of seats #
Ifnece ssary,slide head restr aint 1 upwa rds
( / pag e100). #
Inst alltheLA TC H-ty pe(ISOFI X)or bel t-
se cur edchild restr aint system with TopTe ther.
In doing so,com plywit hth ech ild restr aint
sy stem manufac ture r's inst allation instruc-
tion s. #
Guide TopTe ther belt 4under headrestr aint
1 betwee nth etw ohead restr aint bars. #
Hook TopTe ther hook 3intoTo pTe ther
anc horage2 without twistin g. Occupant
safety
61 61
Page 64 of 450

#
Tensio nTo pTe ther belt 4.Indoing so,com-
pl ywit hth ech ild restr aint system manufac tur-
er's installation instruction s. #
Ifnecessar y,slide head restr aint 1 down -
wa rds(/ page100) .Mak esur eth at youdo
no tint erfere wit hth ecor rect routing ofTop
Te ther belt 4. SecurSecur
ingt ing
the c he
child r hild
res estr tr
aint syst aint
system wit em
witht h
the seat he
seat
belt belt
SecurSecur
ingt ing
the c he
child r hild
res estr tr
aint syst aint
system wit em
witht h
the seat he
seat
belt ont belt
onthe r he
rear seat ear
seat &
W W
ARNIN G ARNIN
GRisk ofaccident ifth ere ar
ben chseat, rear seat andseat backres t
ar eno teng aged
The rear ben chseat, rear seat andseat back-
re st ma yfo ld forw ards, even when youar e
dr iving.
R Asare sult ,th eve hicle occupan twill be
pushed intoth eseat beltwithincr eased
fo rc e. The seat beltwillnotbe able topro- te
ct as intende dand could cause addi-
tion alinj ury.
R Objects orloads inthetrunk orcar go
com partment willnotbe restr ained bythe
seat backres t. #
Mak esur eth at there ar ben chseat, the
re ar seat andtheseat backrest are
eng aged bef oreev erytrip. If
th ere ar seat backres tis no teng aged and
loc kedin place, there dloc kve ri/catio nindic ator
wil lbe visib le.
Whe ninst Wh
eninst alling abe lt-s ec ur al
ling abe lt-s ec ured c ed
chi ld r hi
ld res est
r tr
ai nt sy ai
nt sys- s-
t t
em ,ob serv em,
obser ve t e
the f he
follo ollo
wing: wing:
0073 Alwayscom plywit hth emanuf acturer's
inst allation andoper ating instruction sfo rth e
ch ild restr aint system used .
0073 Alsose cu re TopTe ther ifpr esent
(/ page61).
0073 When usingaw When
usingaweight cat eight
categor egor
y0/0+ bab y
0/0+ baby y
car seat andaw car
seat andaweight cat eight
categor egor
yIr y
Irear w ear
war ar
d- d-
f f
acing c acing
child r hild
res estr tr
aint syst aint
system onar em
onarear seat ear
seat : :adjust
thefront seat sothat theseat does
no tto uc hth ech ild restr aint system .
0073 Whenusing aw Wh
enusing awei gh tca t ei
gh tca teg or eg
oryIf y
Ifor w or
war ar
d- d-
f f
acin gc acin
gchild r hild
res es
tr tr
ain tsy st ai
nt system : em
:re mo vethe
head restr aint from there spect ive seat, if
possibl e.
ATer thech ild restr aint system hasbe en
re mo ved, replace thehead restr aint imme di-
at elyand adjustall head restr aints correctl y.
0073 Thebackrest ofthefo rw ard-f acing child
re str aint system must,asfaras possible, be
re sti ng on theseat backrest ofthere ar seat.
0073 Ifth ehead restr aint ofthech ild seat canno t
be fullyex tended when itis inst alled inthe
ve hicle, this will result inrestr iction son the
maximum sizesettin gfo rch ild restr aint sys-
te ms inwe ight categor yII or III.
Cont actwithth ero of when thehead
re str aint isful lyex tended andlockedin place
will notre sult inanyre str iction son use.
0073 Thech ild restr aint system mustno tbe put
und erstr ain be twee nth ero of and theseat
cushion and/orbeinst alled facing thewr ong 6262
Occupant
safety