Be diligent
Bear in mind
that neglecting tosecure a child in
th ech ild restra int sy stem may ha veserious con‐
sequences. Alw ays be diligent in securing a child
carefully before everyjou rney.
To impr oveprotection forch ildren younger than
12 years old or under 1.50 m in height,
Mercedes-Benz recommends you obse rvethe
fo llowing information:
R Alw ays secure thech ild in a child restra int
sy stem suitable forth is Mercedes-Benz vehi‐
cle.
R The child restra int sy stem must be appropri‐
ate tothe age, weight and size of thech ild.
R The vehicle seat must be suitable forfitting a
ch ild restra int sy stem (/ page 58).
Ac cident statistics show that children secured
on there ar seats are generally sa ferth an chil‐
dren secured on the front seats. Forth is reason,
Mercedes-Benz strongly advises that youfit a
ch ild restra int sy stem toare ar seat. Generic
term"child restra int sy stem"
The generic term child restra int sy stem is used
in this Owner's Manual. A child restra int sy stem
is, forex ample:
R a baby car seat
R are ar wa rd-facing child seat
R afo rw ard-facing child seat
R ach ild boos ter seat with a backrest and seat
belt guide
Mercedes-Benz recommends using a child
boos ter seat with a backrest.
The child restra int sy stem must be appropriate
to the age, weight and size of thech ild.
Observing la wsand legal requ irements
Alw ays obser vethe legal requirements when
using a child restra int sy stem in theve hicle.
Make sure that thech ild restra int sy stem is
appr oved in accordance with theva lid test speci‐
fi cations and guidelines. Further information can
be obtained at a qualified specialist workshop.
Mercedes-Benz recommends that you use a
Mercedes-Benz Service Centre forth is purpose. Only use appr
oved child restra int sy stems
Only child restra int sy stems that meet thefo l‐
lowing UNECE standards are permit tedfo r use in
th eve hicle:
R UN-R44
R UN-R129 (i-Size child restra int sy stems)
Information on child restra int sy stem appr oval
categories and de tails on the appr oval label on
th ech ild restra int sy stem (/ page 59). De
tecting risks, avoiding dan ger Securing sy
stems forch ild restra int sy stems
in theve hicle
Only use thefo llowing securing sy stems forch ild
re stra int sy stems:
R the ISOFIX or i-Size mounting brac kets
R theve hicle's seat belt sy stem
R theTo pTe ther anchorages
Fitting an ISOFIX or an i-Size child restra int sys‐
te m is prefer red. 52
Occupant saf ety
Simply attaching
tothe securing rings on the
ve hicle can reduce therisk of fitting thech ild
re stra int sy stem incor rectl y.
When securing a child with the integrated seat
belt of the ISOFIX or i-Size child restra int sys‐
te m, alw ays comply with the permissible gross
we ight forth ech ild and child restra int sy stem
(/ page 65).
Ad vantage of a rear wa rd-facing child
re stra int sy stem
It is preferable totranspo rta baby or a small
ch ild in a suitable rear wa rd-f acing child restra int
sy stem. In this case, thech ild sits in the oppo‐
site direction tothe direction of tra vel and faces
ba ckwa rds.
Babies and small children ha vecompa ratively
we ak neck muscles in relation tothe size and
we ight of their head. The risk of injury tothe cer‐
vical spine during an accident can be reduced in
a re ar wa rd-facing child restra int sy stem. Alw
ays secure a child restra int sy stem cor‐
re ctly &
WARNING Risk of inju ryor death caused
by incor rect ins tallation of thech ild
re stra int sy stem
If th ech ild restra int sy stem is incor rectly
ins talled on a suitable seating position, it
cannot per form its intended pr otective func‐
tion.
The child cannot be restra ined in theev ent of
an accident, heavy braking or a sudden
ch ange of direction. #
Alw ays comply with the manufacturer's
ins tallation instructions forth ech ild
re stra int sy stem and its cor rect use. #
Makesure that the entire base of the
ch ild restra int sy stem alw aysre sts on
th e sitting sur face of the seat. #
Never place objects under or behind
th ech ild restra int sy stem, e.g. cush‐
ions. #
Alw ays use child restra int sy stems with
th e original co ver designed forth em. #
Alw aysre place damaged co vers with
ge nuine co vers. &
WARNING Risk of inju ryor death from
unsecured child restra int sy stems in the
ve hicle
If th ech ild restra int sy stem is not cor rectly
ins talled or secured, it could release in the
ev ent of an accident, sudden braking or a
sudden change in direction.
The child restra int sy stem could be flung
around and hit vehicle occupants. #
Alw aysfit ch ild restra int sy stems cor‐
re ctly, even when not in use. #
Alw ays comply with thech ild restra int
sy stem manufacturer's ins tallation
instructions. R
Alw ays obser vethech ild restra int sy stem
manufacturer's ins tallation and operating Occupant saf
ety53
instructions as
well as theve hicle-specific
information:
- Fitthe ISOFIX or i-Size child restra int sys‐
te m to there ar seat (/ page 65).
- Secure thech ild restra int sy stem with the
seat belt on there ar seat (/ page71).
- Secure thech ild restra int sy stem with the
seat belt on the front passenger seat
(/ page 74). Obse rveth e specific
instructions forth ere ar wa rd-facing and
fo rw ard-facing child restra int sy stems
(/ page 73).
If th e front passenger seat is occupied,
ensure, bo thbefore and during the jour‐
ne y,that thest atus of the front
passenger airbag is cor rect forth e cur‐
re nt situation (/ page 47).
R Obse rveth ewa rning labels in theve hicle
interior and on thech ild restra int sy stem.
R Also secure TopTe ther if present. Do not alter
thech ild restra int sy stem &
WARNING Risk of inju rydue toaltera‐
tions tothech ild restra int sy stem
The child restra int sy stem may no longer
function as it is supposed toifyo u make
alterations or attach objects toit, e.g. toys or
unsuitable accessories. This poses an
increased risk of injury!
Ne ver alter thech ild restra int sy stem. Only
attach accessories which the manufacturer
of thech ild restra int sy stem has authorised
especially forth is ch ild restra int sy stem. Mercedes‑Benz
recommends Mercedes-Benz
care products for cleaning child restra int sys‐
te ms recommended byMercedes-Benz. Only use
child restra int sy stems which are in
proper working condition &
WARNING Risk of inju ryor death caused
by the use of damaged child restra int
sy stems
Child restra int sy stems or their retaining sys‐
te ms that ha vebeen subjec tedto a load in
an accident may then not be able toper form
th eir intended pr otective function.
The child cannot be restra ined in theeve nt of
an accident, heavy braking or a sudden
ch ange of direction. #
Alw aysre place child restra int sy stems
immediately that ha vebeen damaged or
in vo lved in an accident. #
Have the securing sy stems forth ech ild
re stra int sy stems checked at a qualified
specialist workshop before ins talling a
ch ild restra int sy stem again. 54
Occupant saf ety
Overview of
recommended child restra int sy stems Fu
rther information on the cor rect child restra int sy stem can be obtained at a qualified specialist workshop. Mercedes-Benz recommends that you use
a Mercedes-Benz Service Centre forth is purpose. Securing with ISOFIX
We
ight category
Size category Ty
pe 1
Ty pe appr oval number Order number
2
1 Manu facturer: Britax Römer 2Wi th colour code 9H95
Catego ry0+:
up to13 kgand up toappr ox.15 months
Size category E BA
BY SAFE plus
E1 04 301 14 6 B6 6 86 8224
Category I:
9 to 18 kg
Size category B1 DUO plus
E1 04 301
13 3 A 000
97017 02 56
Occupant saf ety
Overview of suitable seats in
theve hicle forfitting a child restra int sy stem Securing sy
stems forch ild restra int sy stems Ve
hicle seat
Left/right rear seat
Preferred securing sy stem: ISOFIX
child seat securing sy stem
(/ page 61 )
or i-Size
child seat securing sy stem
(/ page 64) Also secure
TopTe ther if present
(/ page 67 ) Alternati
vesecuring sy stem:
R Vehicle seat belt (/ page 69)
Fr ont passenger seat
Securing system:
R Vehicle seat belt (/ page 69) Be sure
toobser ve:
R Ifth e front passenger seat is occupied, ensure,
bo th before and during the journe y,that thest a‐
tus of the front passenger airbag is cor rect forthe
cur rent situation (/ page 47).
R Notes on automatic front passenger airbag shut‐
off (/ page 46). 58
Occupant saf ety
Ve
hicle seat
Centre rear seat
Securing system:
R Vehicle seat belt (/ page 69)Appr
oval catego ries forch ild restra int sys‐
te ms On
lyuse appr ovedch ild restra int sy stems
Only child restra int sy stems that meet thefo l‐
lowing UNECE standards are permit tedfo r use in
th eve hicle:
R UN-R44
R UN-R129 (i-Size child restra int sy stems)
Identification on thech ild restra int sy stem
In fo rm ation about the appr oval categor y,we ight
category and appr oval number, forex ample, is
on the appr oval label on thech ild restra int sys‐
te m.
There may be fur ther information such as the
ISOFIX size categories, depending on the
appr oval category of thech ild restra int sy stem. Appr
oval catego ries in accordance with UN-
R44 Example of an appr
oval label R
Universal: child restra int sy stems in the
"Universal" category are appr oved for ins tal‐
lation in vehicles. They can be used, in
accordance with overviews ofthe suitability
of seats for securing child restra int sy stems,
on seats labelled U,UF or IUF.
The identification IUF refers to ISOFIX child
re stra int sy stems in the "Universal" categor y.
These child restra int sy stems must also be
secured using TopTe ther or support points.
R Semi-Universal: child restra int sy stems in
th e "Semi-Universal" category may only be
used if theve hicle and vehicle seat are lis ted
in thech ild restra int sy stem manufacturer's
ve hicle model list.
R Vehicle-specific: child restra int sy stems in
th e "vehicle-specific" category may only be
used if theve hicle and vehicle seat are lis ted Occupant saf
ety59
in
thech ild restra int sy stem manufacturer's
ve hicle model list.
Appr oval catego ries in accordance with UN-
R129 Example of an appr
oval label
R i‑Size: child restra int sy stems in the "i‑Size"
category are appr ovedfo r ins tallation in vehi‐
cles with i‑Size mounting brac kets. They can be used, in accordance wi
thove rviews ofthe
suitability of seats for securing child restra int
sy stems, on seats labelled i‑U.
The identification i‑U refers to i‑Size child
re stra int sy stems in the "Universal" categor y.
Obser vethe suitability of vehicle seats
Depending on the appr oval categor y,there are
fo rw ard-facing and rear wa rd-facing child
re stra int sy stems. Their use can be restricted for
cer tain vehicle seats:
R Suitability of seats for securing ISOFIX child
re stra int sy stems (/ page61).
R Suitability of seats for securing i‑Size child
re stra int sy stems (/ page64).
R Suit ability of seats for attaching belt-secu red
ch ild restra int sy stems (/ page 69) 60
Occupant saf ety
Fi
tting the ISOFIX or i-Size child restra int sy stem on there ar seat Overview of suitability of
the seats for attaching ISOFIX child restra int sy stems ISOFIX identification
ISOFIX is a
standardised securing sy stem for specially designed restra int sy stems.
R The symbol indicates seats suitable for attaching an ISOFIX child restra int sy stem in accordance with UN R44 (/ page 59).
R Attach only child restra int sy stems that are appr oved in accordance with UN R44 as per thefo llowing ISOFIX tables. Car
rycot Size class
:E quipment :L eft/rightrear seat
FI SO/L1X
GI SO/L2X
X Not sui table for an ISOFIX child restrai nt sy stem in this we ight group and/or size class. Occupant saf
ety61