R
Suitable positioning of thec hild restra int sys‐
te m( →pag e54). PRE-SAFE
®
sy stem PRE-
SAFE®
(Pre-Crash Saf ety-Sy stem) PRE-
SAFE®
is able todetect cer tain critical driv‐
ing situations and implemen tpre-em ptivem eas‐
ures toprotect thev ehicle occupants.
PRE-SAFE ®
can implement thef ollowing meas‐
ures independentl yofeacho ther:
R Tightening thes eat belts on thed rive r's seat
and front passenger seat.
R Closing thes ide windo ws.
R Vehicles with sliding sunroof: closingthe
sliding sunroof.
R Vehicles with memor yfunction: moving
th ef ront passenger seat toam oref avo ura‐
ble seat position.
R Vehicles with multicontour seat: increas‐
ing thea ir pressur einthe seat side bols ters
of thes eat backrest. R
PRE-SAFE ®
Sound: pr ovided that them ulti‐
media sy stem is switched on, generates a
brie fnoise signa ltostimulat ethe innat epro‐
te ctiv em echanism of aperson's hea ring.
* NO
TEDama gecaused byobject sinthe
fo ot we ll or behin dthe seat The automatic adjustment of
thes eat posi‐
tion ma yresult in damag etothe seat and/or
th eo bject. #
Stow object sinas uitable place. Re
versing theP RE- SAFE®
sy stem measures If an acciden
tdid no toccur ,the pre-em ptive
measures that we retake na re re versed.
Yo uw ill need toper form certains ettings your‐
self. #
Ifth es eat belt pre-tensioning is no treduced,
mo vethes eat backres tbacks lightl y.
The locking mechanism releases. Fu
nction of PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus) PRE-
SAFE®
PLUS can de tect cer tain impacts,
particular lyan imminent rear impact ,and take
pre-em ptivem easures toprotect thev ehicle
occupants. These measures canno tnecessarily
pr eve nt an imminent impact.
PRE-SAFE ®
PLUS can implement thef ollowing
measures independentl yofeacho ther:
R Tightening thes eat belts on thed rive r's seat
and front passenger seat.
R Activating ther ear hazar dwarning light sata
higher flashin gfrequ enc y.
R Increasing brak epressure when thev ehicle
is stationar y.This brak eapplication is cancel‐
led automaticall ywhen thev ehicle pulls
aw ay.
If an accident did no toccur ,the pre-em ptive
measures that we retake na re re versed. Occupant saf
ety45
Sy
stem limitations
The sy stem will no tinitiat eanyaction in thef ol‐
lowing situations:
R when reve rsing
or
R when thev ehicle is towing atrailer and there
is ar isk of arear impact
The sy stem will no tinitiat eanybraking applica‐
tion in thef ollowing situations:
R whils tdriving
or
R when entering or exitin gap arkin gspace
while using ActiveP arking Assist Information on PRE-
SAFE®
Impulse Side If an imminent side impact is de
tected, PRE-
SA FE®
Impulse Side can pre-emptively mo vethe
front-seat vehicle occupant's upper body
to wa rdst he centre ofthev ehicle. It does this by
ra pidl yinflating an air cushion in theo uter seat
side bols teroft he seat backres tonthe side on
whic hthe impact is anticipated. This increases th
ed ista nce betwee nthe door and thev ehicle
occupant.
If PRE-SAFE ®
Impulse Side has been deplo yedor
is faulty ,the PRE-SAFE impulse side inoperative
See Owner's Manual displaymessag eisshown
(→ pag e466). Children in
thev ehicle 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. 46
Occupant saf ety
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:
- 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 tal led 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. Occupan
tsafety 47
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. %
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 (→ page52).
R Notesona ttaching suitable child restra int
sy stems (→ page54).
R Notesonr ecommende dchild restra int sys‐
te ms (→ page61).
R Instructions and saf etyn otes on thea uto‐
matic front passenger airbag shutoff
(→ pag e40).
R Safetyn otes on thes eat belt (→ page33). R
Information on thec orrect us eoft he seat
belt (→ page37). 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 get her weigh 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 rectl yin
th ee vent of an accident, fore xamp le. 48
Occupan tsafety
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 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. 1
ISOFIX mounting brac kets
2 i-Size mounting brac kets
* NO
TEDama getothes eat belt fort he
centr eseat Whe
nfittin gac hildrestra int sy stem, thes eat
belt fort he centre seat could be damaged. 50
Occupant saf ety
#
Mak esuret hat thes eat belt is no ttrap‐
ped. #
Remo veeac hcover forI SOFIX mounting
brac kets 1 or i‑Size mounting brac kets 2. #
Attach theI SOFIX child restra int sy stem to
bo th ISOFIX mounting brac kets 1 or i‑Size
mounting brac kets 2.
or #
Attach thei ‑Sizec hildrestra int sy stem to
bo th i‑Size mountin gbrack ets 2. #
Afterr emoving thec hild seat, replace each
co verfor ISOFIXm ounting brac kets 1 or
i‑Size mounting brac kets 2. Secu
ring TopT ether &
WARNING Risk of inju ryor deat hifthe
re ar seat backrests ar enotloc keda fter
fi tting TopT ether belts
If th er ear seat backrests ar enotloc ked, they
could fold forw ards in thee vent of an acci‐ dent, heavy braking or sudden
changes of
direction.
As aresult, child restra int sy stems cann ot
per form their intended pr otectiv efunction.
Re ar seat backrests that ar enotloc kedc an
also cause additional injuries, e.g. in the
ev ent of an accident. #
Alw aysl oc kr ear seat backrests af ter
fi tting TopT ether belts. #
Obser vethel oc kv erification ind icator. If
th es eat backres tisnotengaged and loc ked,
th is will be shown on them ultifunction display
on thei nstrument clus ter.
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. Occupant saf
ety51
#
If necessar y,mo vehead restra int 1
upwards Adjusting ther ear seat head
re stra ints(→ page100). #
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 5under head
re stra int 1 between thet wo head restra int
bars. #
Guide TopT ether belt 5down wards
between combined luggag ecover and net 3
and backrest 2.#
Hook TopT ether hook 6ofTopT ether belt
5 without twisting int oTop Tether anchor‐
age 4. #
Tension TopT ether belt 5.Alway sc omply
wit hthe child restra int sy stem manufactur‐
er's ins tallation instructions when doing so. #
If necessar y,mo vehead restra int 1 down‐
wa rdsA dju sting ther ear seat head
re stra ints(→ page100) .Makes uret hat you
do no tinter fere wit hthe routin gofT op
Te ther belt 5. 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.
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. 52
Occupant saf ety
Re
commende d"Universal" and "Semi-Universal" categor yISOFIX child restra int sy stems We
ight categories Size categor yManufacturer Type Approval number
(E1. ..) Order number (col‐
our code: 9H95)
Catego ry0+:
up to13 kg
up toappr oximately
15 months EB
rita xR ömer BABY SAFE plu s0 4301146B 66868224
Catego ryI:
9to18kg B1
BritaxRömer DUO plus0 4301133A 0009703700
A0 009705800 %
Youc an obtain fur ther information on the
cor rect child restra int sy stem at any
Mercedes-Benz Service Centre. Child saf
etyl oc ks Ac
tivating/deactivatin gthe child saf etyl ock
fo rt he rear doors &
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. Occupant saf
ety63