Page 57 of 534

When
securingach ild withth eint egratedseat
belt oftheLA TC H-ty pe(ISOFI X)child restr aint
sy stem ,al wa ys com plywit hth eper missible gross
we ight forth ech ild and child restr aint system
(/ page 59).
A boost erseat maybe necessa ryto 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 (/page59).
- Secur ing thech ild restr aint system with
th eseat beltonthere ar seat
(/ page64) . Occupan
tsaf ety
55 55
Page 58 of 534

-
Sec uring thech ild restr aint system with
th eseat beltonthefront passeng erseat
(/ page66). 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 65).
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 534

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
(/ page62). 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
(/ page62).
LeT/ right rear seat (secon dand third seat row) –
alt ernat ive secur ingsystem:
0076 Vehicle seatbelt
¯ Alsosecur eTo pTe ther ifpr esent
(/ page62).
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 534

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
(/ page62). AA
ctiv ctiv
ating ordeactiv ating
ordeactiv atingt ating
the special seatbelt he
special seatbelt
re re
tr tr
act act
oroft or
ofthe sea tbelt he
sea tbelt &
W W
ARNING ARNING
Riskofinjur yor deat hifasea t
belt isunf astened whiletheve hicle isin
mo tion
If th eseat beltisreleased whiletheve hicle is
in mo tion ,th especial seatbeltretract oris
deac tivated and thech ild restr aint system is
no long er correctl ysecur ed.The seat beltis
dr aw nin slightl yby theiner tiareel and canno t
be immediat elyclosed again. #
Stop theve hicle immed iatelyin accor d-
ance withth etra1c conditions. #
Activateth especial seatbeltretract or
ag ain and correctl ysecur eth ech ild
re str aint system . Wh
enena bled ,th especial seatbeltretract or
ensur esthat theseat belts ofthefront passeng er
seat andrear seats donotslac kenonce thech ild
re str aint system isse cu red.
The seat belts onthefo llo wing seats areeq uipped
wit haspecia lseat beltretract or:
R Front passeng erseat
R Rear seats
Ins t Ins
tallin gac allin
gachild r hild
res es
tr tr
aint syst aint
system em
#
When installing ach ild restr aint system ,
al wa ys obser vethemanuf acturer'sinstallation
and oper ating instruction sas wellas theinf or-
mation inthis Oper ator's Manual. #
Pull theseat beltsmoo thly from theseat belt
outle t. #
Eng ageth eseat belttongue intheseat belt
buc kle. A A
ctiv ctiv
ating t ating
the special seatbeltre he
special seatbeltretr tr
act act
or or
#
Pull theseat beltoutfullyand letth einer tia
re el retract itag ain.
When thespecial seatbeltretract orisacti va-
te d, youwill hear ara tche ting sound . #
Push thech ild restr aint system down untilth e
seat beltsitstightl y.
Deactiv Deactiv
atingt ating
the special seatbeltre he
special seatbeltretr tr
act act
or or
#
Press there lease buttonoftheseat belt
buc kle. #
Hold theseat belttongue andguide backto
th eseat beltoutle t. 5858
Occupant
safety
Page 61 of 534

Ins
t Ins
talli ng 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.
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 eseat backrest isno teng aged and lockedin
place, this will besho wnonthedispla yon the
inst rument cluster(folding there ar seat back
elect ricall y)or there dloc kve ri/catio nindic ator
wil lbe visib le(fold ing th ere ar seat backmec hani-
call y). &
W W
AR NIN G AR
NIN GRisk ofinjuryor 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 instructions forth 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. Occupan
tsaf ety
59 59
Page 62 of 534

®
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
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 mustnotbe 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
eng aged inbo th mounti ngbrac kets inthe
ve 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. VV
ehicles wit ehicles
withindividual r h
individual rear seats: ear
seats: 1
LATC H-ty pe(ISOFI X)mou nting brac ket 6060
Occupa
ntsaf ety
Page 63 of 534

#
Remo veand stow away covers 1 ofthe
mounti ngbrac kets intheve hicle. #
Attach theLA TC H-ty pe(ISOFI X)child restr aint
sy stem toboth mounti ngbrac kets intheve hi-
cle. #
ATer remo vingth ech ild restr aint system ,re at-
ta ch covers 1 .
V V
ehicles wit ehicles
withar h
arear benc ear
benc hseat : h
seat : #
Mer Mer
cedes-Ma cedes-Ma
ybac ybac
hv h
vehicles wit ehicles
withr h
reclining eclining
r r
ear seats: ear
seats: BeforeaLA TC H-ty pe(ISOFI X)or i-
Size child restr aint system isinst alle d, tilt th e
bac krest ofthere clin ing rear seat back
slig htly. #
Remo veupholst ered lining 1. #
V V
ehicles wit ehicles
without r hout
reclining r eclining
rear seats: ear
seats: Fold
upholst ered lining 1upw ards. #
Turn thesuppor ton thebac kof upholst ered
lining 1by90°.
Upholst ered lining 1will remain folded
upw ards. #
Attach theLA TC H-ty pe(ISOFI X)child restr aint
sy stem toboth mounti ngbrac kets 2 inthe
ve hicle. #
Mer Mer
cedes- Ma cedes-
Maybac ybac
hv h
vehicle swit ehicle
swit hr h
reclin ing eclin
ing
r r
ear seats: ear
seats: Retur nth ere clin ing rear seat back-
re st to an upr ight posit ion.
The reclin ing rear seat backres tmus tbe in
cont actwithth ech ild restr aint system . V V
eh icle swi t eh
icle swi th at h
athi r hi
rd ro 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. Occ
upant safety
61 61
Page 64 of 534

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 eseat backrest isno teng aged and lockedin
place, this will besho wnonthedispla yon the
inst rument cluster(folding there ar seat back
elect ricall y)or there dloc kve ri/catio nindic ator
wil lbe visib le(fold ing th ere ar seat backmec hani-
call y).
¯ 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 6262
Occupan
tsaf ety