2018 MERCEDES-BENZ A-CLASS HATCHBACK ECU

Depending on
thech ild restra int sy stem and the
st ature of thech ild, thePA SSENGER AIR BAG
OFF indicator lamp may be off. In this case, do
not fit th ere ar wa rd-facing child restra int sy stem
to the front passenger seat.
Ins tead, fit th ere ar wa rd-facing child restra int
sy stem toa suitable rear seat.
Af terfitting a forw ard-facing child restra int
sy stem tothe front passenger seat: depend‐
ing on thech ild restra int sy stem and thest ature
of thech ild, PASSENGER AIR BAG OFF may be lit
continuously or be off. Alw ays obser vethefo l‐
lowing information. &
WARNING Risk of inju ryor death due to
incor rect positioning of thefo rw ard-
fa cing child restra int sy stem
If yo u secure a child in a forw ard-facing child
re stra int sy stem on the front passenger seat
and you position the front passenger seat too
close tothe dashboard, in theev ent of an
accident, thech ild could:
R come into con tact wi thparts of theve hi‐
cle's interior if thePA SSENGER AIR BAG
OFF indicator lamp is lit, forex ample
R bestru ck bythe airbag if thePA SSENGER
AIR BAG OFF indicator lamp is off #
Alw ays mo vethe front passenger seat
as far back as possible and fully retract
th e seat cushion length adjustment.
Alw ays make sure that the shoulder belt
st ra p is cor rectly routed from the seat
belt outlet on theve hicle tothe shoul‐
der belt guide on thech ild restra int sys‐
te m. The shoulder belt stra p must be
ro uted forw ards and down wards from th
e seat belt outlet. If necessar y,adjust
th e front passenger seat according ly. #
Alw ays obser vethech ild restra int sys‐
te m manufacturer's ins tallation instruc‐
tions. When
fitting a child restra int sy stem tothe front
passenger seat, obser vetheve hicle-specific
information (→ page 53).
If a person is sitting on the front passenger
seat: PASSENGER AIR BAG OFF may be lit con‐
tinuously or be off, depending on the person's
st ature.
A person on the front passenger seat must
alw ays obser vethefo llowing information:
R Ifth e front passenger seat is occupied byan
adult or a person with a stature cor respond‐
ing tothat of an adult, thePA SSENGER AIR
BA G OFF indicator lamp must be off. This
indicates that the front passenger front air‐
bag is enabled.
If th ePA SSENGER AIR BAG OFF indicator
lamp is lit continuousl y,an adult or person Occupant saf
ety43

Child
ren in theve hicle Note
s onthe safe transportation of children &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If yo u lea vechildren unat tended in theve hi‐
cle, they may be able toset theve hicle in
motion, forex ample by:
R releasing the parking brake.
R shifting the automatic transmission out of
park position jor shifting manual trans‐
mission into idle position.
R starting the engine.
In addition, they may operate vehicle equip‐
ment and become trapped. #
Never lea vechildren and animals unat‐
te nded in theve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tothe digital vehicle ke
y if the "Digital Vehicle Key" function
is activated via Mercedes me connect. &
WARNING Risk offata l injury due to
ex posure toextreme heat or cold in the
ve hicle
If people –particularly children – are exposed
to extreme temp eratures over an extended
pe riod of time, there is a risk of serious or
ev en fata l injury! #
Never lea veanyone – pa rticularly chil‐
dren – unat tended in theve hicle. #
Never lea veanimals in theve hicle unat‐
te nded. &
WARNING Risk of bu rns when thech ild
seat is exposed todirect sunlight
If th ech ild restra int sy stem is exposed to
direct sunlight or heat, parts could heat up.
Children could suf fer burns on these parts,
particularly on me tallic parts of thech ild
re stra int sy stem. #
Alw ays make sure that thech ild
re stra int sy stem is not exposed to
direct sunlight. #
Protect it with a blank et,fo rex ample. #
Ifth ech ild restra int sy stem has been
ex posed todirect sunlight, allow it to
cool before secu ring a child into it. #
Never lea vechildren unat tended in the
ve hicle. 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 Only secure children using a child restra int
sy stem which is appropriate tothe height,
age and weight of thech ild and recommen‐
ded and suitable for Mercedes-Benz vehicles.
Be sure toobser vethe instructions for cor‐
re ct use of thech ild restra int sy stem.
R Alw aysfit a child restra int sy stem toare ar
seat if possible.
R Onlyuse thefo llowing securing sy stems for
ch ild restra int sy stems: 46
Occupant saf ety

-
the seat belt sy stem
- the ISOFIX or i-Size mounting brac kets
- theTo pTe ther anchorages
R Follow the manufacturer's ins tallation
instructions forth ech ild restra int sy stem.
R Obser vethewa rning labels in theve hicle
interior and on thech ild restra int sy stem. &
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 theeve nt 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. &
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. Occupant saf
ety47

%
Use Mercedes-Benz care products recom‐
mended byMercedes-Benz toclean child
re stra int sy stems. Further information can
be obtained at a qualified specialist work‐
shop.
The following no tes must be obser ved:
R When ins talling a child restra int sy stem on
th e front passenger seat, the information on
ins talling a child restra int sy stem on the front
passenger seat (→ page 52).
R Notes on attaching suitable child restra int
sy stems (→ page54)
R Notes on recommended child restra int sys‐
te ms (→ page 60).
R Instructions and saf ety no tes on the auto‐
matic front passenger front airbag shutoff
(→ page 40).
R Safety no tes on the seat belt (→ page 32).
R Information on the cor rect use of the seat
belt (→ page 35). ISOFIX and i-Size
child seat securing sy stems Note
s onthe ISOFIX and i-Size child seat
securing sy stems &
WARNING Risk of inju ryor death if the
permissible gross mass of thech ild and
ch ild restra int sy stem toget her is excee‐
ded
Fo r ISOFIX or i‑Size child restra int sy stems in
which thech ild is secured using the seat belt
integrated in thech ild restra int sy stem, the
permissible gross mass of thech ild and child
re stra int sy stem is 33 kg.
If th ech ild and thech ild restra int sy stem
to ge ther we igh more than 33 kg,th e ISOFIX
or i‑Size child restra int sy stem with integra‐
te d seat belt does not of fer suf ficient pr otec‐
tion. Too much load may be placed on the
ISOFIX or i‑Size child restra int sy stems and
th ech ild may not be restra ined cor rectly in
th eev ent of an accident, forex ample. #
Ifth ech ild and thech ild restra int sys‐
te m toget her weigh more than 33 kg,
only use an ISOFIX or i‑Size child re
stra int sy stem with which thech ild is
secured with theve hicle seat belt. #
Also secure thech ild restra int sy stem
with theTo pTe ther belt, if available. Alw
ays comply with the information about the
mass of thech ild restra int sy stem:
R inthe manufacturer's ins tallation and operat‐
ing instructions forth ech ild restra int sy stem
used
R on a label on thech ild restra int sy stem, if
present
Re gular lych eck that the permissible gross mass
of thech ild and child restra int sy stem is still
complied with.
When using a child restra int sy stem, be sure to
obser vethe manufacturer's ins tallation and
operating instructions as well as its cor rect use
and the suitability of the seats for attaching a
ch ild restra int sy stem.
ISOFIX and i-Size are standardised securing sys‐
te ms for special restra int sy stems. ISOFIX child
re stra int sy stems are appr oved in accordance 48
Occupant saf ety

with UN‑R44, i‑Size
child restra int sy stems are
appr oved in accordance with UN‑R129.
Only child restra int sy stems that ha vebeen
appr oved in accordance with UN‑R44 may be
attached toISOFIX mounting brac kets.
The following child restra int sy stems can be
attached toi-Size mounting brac kets:
R ISOFIX child restra int sy stems are appr oved
in accordance with UN‑R44
R i‑Size child restra int sy stems that are
appr oved in accordance with UN‑R129 1
Symbol forfitting an ISOFIX child restra int
sy stem
2 Symbol forfitting an i-Size child restra int
sy stem Fi
tting ISOFIX and i-Size child seat securing
sy stems &
WARNING Risk of inju ryifth ere ar
ben chseat/rear seat and seat backrest
are not engaged
If th ere ar ben chseat/rear seat and seat
backrest are not engaged they could fold for‐
wa rds, e.g. when braking suddenly or in the
ev ent of an accident.
R Ifth is is the case, theve hicle occupant
wo uld be forc ed into the seat belt bythe
re ar ben chseat/rear seat or bythe seat
backrest. The seat belt cann otprotect as
intended and could result in additional
injur y.
R Objects or loads in the boot/load com‐
partment cann otbe restra ined bythe
seat backrest. #
Make sure that the seat backrest and
th ere ar ben chseat/rear seat are
engaged before everytrip. Occupant sa
fety 49

If
th ere ar seat backrest is not engaged and
loc ked, there d lock verification indicator will be
visible. &
WARNING Risk of inju ryor death if the
permissible gross mass of thech ild and
ch ild restra int sy stem toget her is excee‐
ded
Fo r ISOFIX or i‑Size child restra int sy stems in
which thech ild is secured using the seat belt
integrated in thech ild restra int sy stem, the
permissible gross mass of thech ild and child
re stra int sy stem is 33 kg.
If th ech ild and thech ild restra int sy stem
to ge ther we igh more than 33 kg,th e ISOFIX
or i‑Size child restra int sy stem with integra‐
te d seat belt does not of fer suf ficient pr otec‐
tion. Too much load may be placed on the
ISOFIX or i‑Size child restra int sy stems and
th ech ild may not be restra ined cor rectly in
th eev ent of an accident, forex ample. #
Ifth ech ild and thech ild restra int sys‐
te m toget her weigh more than 33 kg,
only use an ISOFIX or i‑Size child re
stra int sy stem with which thech ild is
secured with theve hicle seat belt. #
Also secure thech ild restra int sy stem
with theTo pTe ther belt, if available. Alw
ays comply with the information about the
mass of thech ild restra int sy stem:
R inthe manufacturer's ins tallation and operat‐
ing instructions forth ech ild restra int sy stem
used
R on a label on thech ild restra int sy stem, if
present
Re gular lych eck that the permissible gross mass
of thech ild and child restra int sy stem is still
complied with.
When using a child restra int sy stem, be sure to
obser vethe manufacturer's ins tallation and
operating instructions as well as its cor rect use
and the suitability of the seats for attaching a
ch ild restra int sy stem. 1
ISOFIX mounting brac ket
2 i-Size mounting brac kets
Before every trip, make sure that the ISOFIX
ch ild restra int sy stem or the i-Size child restra int
sy stem is engaged cor rectly in bo thISOFIX or
i‑Size mounting brac kets. 50
Occupant sa fety

*
NO
TEBe careful not todamage the seat
belt forth e cent reseat when fitting the
ch ild restra int sy stem #
Make sure that the seat belt is not trap‐
ped. #
Attach the ISOFIX child restra int sy stem to
bo th ISOFIX mounting brac kets 1 or i‑Size
mounting brac kets 2.
or #
Attach the i‑Size child restra int sy stem to
bo th i‑Size mounting brac kets 2. Secu
ring TopTe ther &
WARNING Risk of inju ryor death if the
re ar seat backrests are not loc ked af ter
fi tting TopTe ther belts
If th ere ar seat backrests are not loc ked, they
could fold forw ards in theeve nt of an acci‐
dent, heavy braking or sudden changes of
direction. As a
result, child restra int sy stems cann ot
per form their intended pr otective function.
Re ar seat backrests that are not loc ked can
also cause additional injuries, e.g. in the
ev ent of an accident. #
Alw ays lock rear seat backrests af ter
fi tting TopTe ther belts. #
Obser vethe lock verification indicator. If
th ere ar seat backrest is not engaged and
loc ked, there d lock verification indicator will be
visible.
The risk of injury can be reduced byTopTe ther.
The TopTe ther belt facilitates an additional con‐
nection between thech ild restra int sy stem
attached with ISOFIX or i-Size and theve hicle.
The child restra int sy stem must be equipped
with a TopTe ther belt. Ve
hicles with adjustable head restra ints: #
If necessar y,mo vethe head restra int
upwards (→ page 93). Occupant saf
ety51

#
Guide TopTe ther belt 3under the head
re stra int between the two head restra int
bars.
Ve hicles without adjustable head restra ints: #
TopTe ther belt with a seat belt stra p: guide
To pTe ther belt 3overth e cent reofthe
head restra int.
or #
TopTe ther belt with two seat belt stra ps:
guide each TopTe ther belt 3totheright
and left side of the head restra int.
All vehicles: #
Fitthe ISOFIX or i-Size child restra int sy stem
with TopTe ther. Alw ays comply with thech ild
re stra int sy stem manufacturer's ins tallation
instructions when doing so. #
Hook TopTe ther hook 2without twisting
into TopTe ther anchorage 1.#
Tension TopTe ther belt 3. Alw ays comply
with thech ild restra int sy stem manufactur‐
er's ins tallation instructions when doing so.
Ve hicles with adjustable head restra ints: #
If necessar y,slide the head restra int down‐
wa rds (→ page 93). Make sure that you do
not inter fere with the cor rect routing of To p
Te ther belt 3. Child
restra int sy stems on the front
passenger seat Note
s onchild restra int sy stems on the front
passenger seat
Ac cident statistics show that children secured in
th ere ar seats are generally sa ferth an children
secured in the front seats. Forth is reason,
Mercedes-Benz strongly advises that you ins tall
a ch ild restra int sy stem on a rear seat.
If it is absolutely necessary toins tall a child
re stra int sy stem on the front passenger seat,
alw ays obser vethe information on the automatic
front passenger front airbag shutoff
(→ page 40).
By doing this, you can avoidrisks caused by:
R ach ild restra int sy stem that is not de tected
by the automatic front passenger front airbag
shutoff R
unintentional disabling of the front passenger
front airbag
R incor rect positioning of thech ild restra int
sy stem Wa
rning notice on the front passenger sun
visor &
WARNING Risk of inju ryor death from
using a rear wa rd-facing child restra int
sy stem when the front passenger front
airbag is enabled
If yo u secure a child in a rear wa rd-facing
ch ild restra int sy stem on the front passenger 52
Occupant saf ety