
NEVER use
arear wardfacing child restra int
on aseat pr otected byan ACTIVE FRONT
AIRB AGin front of it ;DEATH or SERIOUS
INJUR YtotheCHILD can occur. When ins
talling achild restra int sy stem on the
front passenger seat, obse rvet he vehicle-spe‐
cific information in this Owner's Manual.
Dependin gonthechild restra int sy stem and the
st atur eoft hechild, theP ASSENGER AIR BAG
OFF indicator lam pmaybe off. In this case, do
no tins tallth er ear ward-facing child restra int
sy stem on thef ront passenger seat.
Ins tead, ins tallth er ear ward-facing child
re stra int sy stem on asuitable rear seat.
Af teri nstalling aforwa rd-facin gchild
re stra int sy stem on thef ront passenger
seat: depending on thec hild restra int sy stem
and thes tatur eoft hechild, PASSENGER AIR
BA GO FFma ybel it continuousl yorbeoff.
Alw ayso bser vethef ollowing information. &
WARNING Risk of inju ryor deat hdueto
incor rect positioning of thef orwa rd-
fa cing child restra int sy stem
If yo us ecur eac hild in aforwa rd-facin gchild
re stra int sy stem on thef ront passenger seat
and youp ositio nthe front passenger seat too
clos etot he cockpit, in thee vent of an acci‐
dent, thec hild could:
R Come int ocontact wi th thevehicle inte‐
ri or if theP ASSENGER AIR BAGO FFindi‐
cator lam pislit,f or example.
R Bestru ck bythea irbag if theP ASSENGER
AIR BAGO FFindicator lam pisoff. #
Alw aysm ove thef ront passenger seat
as farb ackasp ossible and fully retract
th es eat cushion lengt hadjustment.
Alw aysm akes uret hat thes houlder belt
st ra pisc orrectly routed from thes eat
belt outle tonthevehicle tothes houl‐
der belt guide on thec hild restra int sys‐
te m. The shoulder belt stra pm ustbe
ro uted forw ards and down wardsf rom
th es eat belt outlet. If necessar y,adjust th
es eat belt outle tand thef ront
passenger seat accordingly. #
Alw ayso bser vethec hild restra int sys‐
te mm anufacturer's ins tallation instruc‐
tions. When ins
talling achild restra int sy stem on the
front passenger seat, obse rvet he vehicle-spe‐
cific information in this Owner's Manual.
If ap erson is sitting in thef ront passenger
seat: PASSENGER AIR BAGO FFma ybel it con‐
tinuousl yorbeo ff,d ependin gonthe person's
st ature.
Ap erson on thef ront passenger seat must
alw ayso bser vethef ollowing information:
R Ifth ef ront passenger seat is occupied with
an adult or aperson wit hastatur ec orre‐
sponding tothat of an adult ,the PASSENGER
AIR BAGO FFindicator lam pmustbeo ff.T his
indicates that thef ront passenger airbag is
enabled.
If th eP ASSENGER AIR BAGO FFindicator
lam pisl it continuousl y,an adult or person
wit hab uild cor responding tothat of an adult Occupan
tsafety 43

Child
renint hevehicle Note
sont he saf etransportation of children &
WARNING Risk of accident and inju ry
due tochildren lef tunat tende dint he
ve hicle
If yo ul eave children unat tende dint hevehi‐
cle, they ma ybea bletos etthev ehicle in
motion, fore xamp leby:
R Releasing thep arking brake.
R Shifting thet ransmission out of park
position j.
R Startin gthe engine.
In addition, they ma yoperat evehicle equip‐
ment. #
Neverlea ve children and animals unat‐
te nde dint hevehicle. #
When leaving thev ehicle, alw ayst ake
th ek eywit hyou and loc kthe vehicle.
This also applies tomobil ephones if the
"Digital Car Keyint he smartphone" function is activated via
theM ercedes
me connect weba pp. &
WARNING Thisp oses an increased risk
of deat hduetoheat strokeorexposure
to cold in thev ehicle
If persons –particularly children –expe ri‐
enc eprolonged exposur etoextremely high
or lo wtemperatures, this poses arisk of
inju ryor eve nfatal injur y. #
Neverlea ve anyone –p articularly chil‐
dren –unat tende dint hevehicle. &
WARNING Risk of bu rnsw hen thec hild
seat is exposed todirect sunlight
If th ec hild restra int sy stem is exposed to
direct sunlight or heat, parts could heat up.
Children could suf ferb urns on these parts,
particularly on me tallic parts of thec hild
re stra int sy stem. #
Alw aysm akes uret hat thec hild
re stra int sy stem is no texpose dto
direct sunlight. #
Protect it wit hablanket,for example. #
Ifth ec hild restra int sy stem has been
ex posed todirect sunlight ,allowitto
cool befor esecu ring achild int oit. #
Neverlea ve children unat tende dint he
ve hicle. To
impr oveprotection forc hildren younger than
12 yearso ld or unde r1.50 minh eight,
Mercedes-Benz recommends youo bse rvet he
fo llowing information:
R Onlysecur echildren using achild restra int
sy stem whic hisappropriat etothe height,
ag ea nd weight of thec hild and suitable for
Mercedes-Benzv ehicles. Be suretoobserve
th ei nstruction sfor cor rect us eoft hechild
re stra int sy stem.
R Alw aysi ns tallac hild restra int sy stem on a
re ar seat if possible.
R Onlyuse thef ollowing securing sy stems for
ch ild restra int sy stems: 46
Occupant saf ety

-
thes eat belt sy stem
- theI SOFIX or i-Siz emounting brac kets
- theT op Tether anchorages
R The manufacturer's ins tallation instructions
fo rt he child restra int sy stem.
R The warning labels in thev ehicle interior and
on thec hild restra int sy stem. &
WARNING Risk of inju ryor deat hcaused
by incor rect ins tallation of thec hild
re stra int sy stem
If th ec hild restra int sy stem is incor rectly
ins talled on asuitable seatin gposition, it
canno tperform its intended pr otectiv efunc‐
tion.
The child canno tberestrained in thee vent of
an accident, heavy braking or asudden
ch ang eofd irection. #
Alw aysc ompl ywitht he manufacturer's
ins tallation instructions fort he child
re stra int sy stem and its cor rect use. #
Makesur ethat thee ntir ebase of the
ch ild restra int sy stem alw aysr ests on
th es itting sur face of thes eat. #
Neverp lace objects under or behind
th ec hild restra int sy stem, e.g. cush‐
ions. #
Alw aysu sechild restra int sy stems with
th eo riginal co verd esigned fort hem. #
Alw aysr eplace damaged co vers with
ge nuine co vers. &
WARNING Risk of accident caused by
incor rectl yins talled child restra int sys‐
te ms
If th ec hild restra int sy stem is no tcorrectly
ins talled or secured, it could release in the
ev ent of an accident, sudden braking or a
sudden chang eind irection.
The child restra int sy stem could be flung
aroun dand hit vehicle occupants. This poses
an increased risk of injur yorevend eath! #
Alw aysi ns tallch ild restra int sy stems
cor rectl y,eve nw henn otin use. #
Alw aysc ompl ywitht he child restra int
sy stem manufacturer's ins tallation
instructions. &
WARNING Risk of inju ryor deat hcaused
by theu se of damaged child restra int
sy stems
Child restra int sy stems or their retainin gsys‐
te ms that ha vebeen subjec tedtoal oad in
an acciden tmaythen no tbea bletoper form
th eir intended pr otectiv efunction.
The child canno tberestrained in thee vent of
an accident, heavy braking or asudden
ch ang eofd irection. #
Alw aysr eplace child restra int sy stems
immediatel ythat ha vebeen damaged or
in vo lved in an accident. #
Have thes ecuring sy stems fort he child
re stra int sy stems checkedataq ualified
specialis tworks hop befor einstalling a
ch ild restra int sy stem again. Occupant saf
ety47

%
Use Mercedes-Benz car eproducts recom‐
mended byMercedes-Benztoc leanchild
re stra int sy stems. Further information can
be obtained at aqualified specialis twork‐
shop.
The following no tesm ustbeo bserved:
R When ins talling achild restra int sy stem on
th ef ront passenger seat, thei nformation on
ins talling achild restra int sy stem on thef ront
passenger seat (→ page53).
R Notesona ttaching suitable child restra int
sy stems (→ page55).
R Notesonr ecommende dchild restra int sys‐
te ms (→ page61).
R Instructions and saf etyn otes on thea uto‐
matic front passenger front airbag shutoff
(→ pag e40).
R Safetyn otes on thes eat belt (→ page32).
R Information on thec orrect us eoft he seat
belt (→ page36). ISOFIX and i-Size
child seat securing sy stems Information on
theI SOFIX and i-Siz echild
sea tsecuring sy stems &
WARNING Risk of inju ryor fata linjur yif
th ec hild secured weighs mor ethan the
permissible gross weight foranI SOFIX or
i‑Size child restra int sy stem
Fo rISOFIX or i‑Size child restra int sy stems in
whic hthe child is secured using thes eat belt
integrated in thec hild restra int sy stem, the
permissible gross weight of thec hild and
ch ild restra int sy stem is 33 kg.
If th ec hild and thec hild restra int sy stem
to ge ther we igh mor ethan 33 kg,the ISOFIX
or i‑Size child restra int sy stem wit hintegra‐
te ds eat belt does no toffer suf ficient pr otec‐
tion .Too muc hload ma ybeplaced on the
ISOFIX or i‑Size child restra int sy stems and
th ec hild ma ynotbe restra ined cor rectly in
th ee vent of an accident, fore xamp le. #
Ifth ec hild and thec hild restra int sys‐
te mt ogether weigh mor ethan 33 kg,
onl yuse an ISOFIX or i‑Sizec hild re
stra int sy stem wit hwhichthe child is
secured wit hthe vehicle seat belt. #
Also secur ethe child restra int sy stem
wit hthe TopT ether belt, if available. Alw
aysc ompl ywitht he information about the
mass of thec hild restra int sy stem
R inthem anufacturer's ins tallation and operat‐
ing instructions fort he child restra int sy stem
used
R onalabel on thec hild restra int sy stem, if
present
Re gularly checkt hat thep ermissible gross mass
of thec hild and child restra int sy stem is still
being adhered to.
When using achild restra int sy stem, be sur eto
obser vethem anufacturer's ins tallation and
operatin ginstructions as well as its cor rect use
and thes uitability of thes eats fora ttaching a
ch ild restra int sy stem.
ISOFIX and i-Siz earestandardised securing sys‐
te ms fors pecia lrestraint sy stems. ISOFIX child
re stra int sy stems ar eappr ove dina ccordance 48
Occupant saf ety

wit
hE CE R44, i‑Size child restra int sy stems are
appr ovedina ccordance wit hECE R129.
Onl ychild restra int sy stems that ha vebeen
appr ovedina ccordance wit hECE R4 4maybe
attached toISOFIX mounting brac kets.
The following child restra int sy stems can be
attached toi-Size securing rings:
R ISOFI Xchild restra int sy stems that are
appr ovedina ccordance wit hECE R44
R i‑Siz echild restra int sy stems that are
appr ovedina ccordance wit hECE R129 1
Symbol forf ittin ganI SOFIX child restra int
sy stem
2 Symbol forf ittin gani -Sizechild restra int
sy stem Fi
ttin gISOFI Xand i-Size child seat attach‐
ments &
WARNING Risk of inju ryor fata linjur yif
th ec hild secured weighs mor ethan the
permissible gross weight foranI SOFIX or
i‑Size child restra int sy stem
Fo rISOFIX or i‑Size child restra int sy stems in
whic hthe child is secured using thes eat belt
integrated in thec hild restra int sy stem, the
permissible gross weight of thec hild and
ch ild restra int sy stem is 33 kg.
If th ec hild and thec hild restra int sy stem
to ge ther we igh mor ethan 33 kg,the ISOFIX
or i‑Size child restra int sy stem wit hintegra‐
te ds eat belt does no toffer suf ficient pr otec‐
tion .Too muc hload ma ybeplaced on the
ISOFIX or i‑Size child restra int sy stems and
th ec hild ma ynotbe restra ined cor rectly in
th ee vent of an accident, fore xamp le. #
Ifth ec hild and thec hild restra int sys‐
te mt ogether weigh mor ethan 33 kg,
onl yuse an ISOFIX or i‑Sizec hild Occupant saf
ety49

re
stra int sy stem wit hwhichthe child is
secured wit hthe vehicle seat belt. #
Also secur ethe child restra int sy stem
wit hthe TopT ether belt, if available. Alw
aysc ompl ywitht he information about the
mass of thec hild restra int sy stem
R inthem anufacturer's ins tallation and operat‐
ing instructions fort he child restra int sy stem
used
R onalabel on thec hild restra int sy stem, if
present
Re gularly checkt hat thep ermissible gross mass
of thec hild and child restra int sy stem is still
being adhered to.
When using achild restra int sy stem, be sur eto
obser vethem anufacturer's ins tallation and
operatin ginstructions as well as its cor rect use
and thes uitability of thes eats fora ttaching a
ch ild restra int sy stem.
Befor eevery trip ,makes uret hat theI SOFIX
ch ild restra int sy stem or thei -Sizec hildrestra int
sy stem is engaged cor rectl yinb othI SOFIX or
i‑Size mounting brac kets. #
Fold uphols tere dl ining 1upwards. #
Turn thes uppor tontherear side of uphol‐
st ered lining 1by90°.
Up hols tere dl ining 1remains folded
upwards. #
Attach theI SOFIX child restra int sy stem to
bo th ISOFIX mounting brac kets 2 or i‑Size
mounting brac kets 2.
or #
Attach thei ‑Sizec hildrestra int sy stem to
bo th i‑Size mountin gbrack ets 2. Secu
ring TopT ether The
risk of injur ycan be reduced byTopT ether
as TopT ether pr ovides an additional connection
between thec hild restra int sy stem secured with
ISOFIX or i-Siz eand thev ehicle.
The child restra int sy stem mus tbeequipped
wit haT opTether belt. 50
Occupant saf ety

#
If necessar y,mo vehead restra int 1
upwards (→ page95). #
Fold up co ver2ofTopT ether anchorage
3. #
FittheI SOFIX or i-Siz echild restra int sy stem
wit hTop Tether.A lway sc omply wit hthe child
re stra int sy stem manufacturer's ins tallation
instructions when doing so. #
RouteT op Tether belt 4under head
re stra int 1 between thet wo head restra int
bars. #
Hook TopT ether hook 5ofTopT ether belt
4 without twisting int oTop Tether anchor‐
age 3. #
Tension TopT ether belt 4.Alway sc omply
wit hthe child restra int sy stem manufactur‐
er's ins tallation instructions when doing so. #
Fold down co ver2ofTopT ether anchorage
3. #
If necessar y,slide head restra int 1 down‐
wa rds( → pag e95). Mak esuret hat youdo no
tinter fere wit hthe cor rect routin gofT op
Te ther belt 4. Child
restra int sy stems on thef ront
passenger seat Note
sonc hildrestra int sy stems on thef ront
passenger seat
Ac cident statistic sshowt hat children secured in
th er ear seats ar esafer than children secured in
th ef ront seats. Forthis reason ,Mercedes-Benz
stro ngly advises that youi nstallac hild restra int
sy stem on arear seat.
If it is absolutel ynecessar ytoinstallac hild
re stra int sy stem on thef ront passenger seat,
alw ayso bser vethei nformation on thea utomatic
front passenger airbag shutof f(→pag e40).
By doing this, youc an avo idrisk sc aused by:
R Achild restra int sy stem that is no tdetected
by thea utomatic front passenger airbag
shutoff.
R The unintentionally disabled front passenger
airbag. Occupant saf
ety51

R
Incor rect positioning of thec hild restra int
sy stem. Wa
rning notic eonthe front-passenge rsun
visor: &
WARNING Risk of inju ryor deat hfrom
using arear ward-facing child restra int
sy stem when thef ront passenger airbag
is enabled
If yo us ecur eac hild in arear ward-facing
ch ild restra int sy stem on thef ront passenger
seat and theP ASSENGER AIR BAGO FFindi‐
cator lam pisoff,t he front passenger airbag
can deplo yintheevent of an accident. The
child could be stru ck bythea irbag.
Alw ayse nsur ethat thef ront passenger air‐
bag is disabled. The PASSENGER AIR BAG
OFF indicator lam pmustbel it.
NEVER use arear wardfacing child restra int
on aseat pr otected byan ACTIVE FRONT
AIRB AGin front of it ;DEATH or SERIOUS
INJUR YtotheCHILD can occur. If
th eP ASSENGER AIR BAGO FFindicator lamp
goes out ,the front passenger airbag is enabled.
Be sur etoobservethen otes on thes afet rans‐
por tatio nofc hildren (→ page46).
Note sonv ehicles withou tthe automatic
front passenger front airba gdeactivation
sy stem
Ve hicles without automatic front passenger front
airbag deactivation sy stem ha veas pecial sticker
af fixe dtot he side of thec ockpit on thef ront
passenger side. Ne
verins tallar ear ward-facing child restra int
sy stem on thef ront passenger seat:
Mak esurey ou obser vethef ollowing informa‐
tion:
R Onforw ard-facin gand rear wa rd-facing child
re stra int sy stems on thef ront passenger seat
(→ pag e55).
R On attaching suitable child restra int sy stems
(→ pag e55). 52
Occupant saf ety