MERCEDES-BENZ G-CLASS SUV 2018 Repair Manual
Manufacturer: MERCEDES-BENZ, Model Year: 2018, Model line: G-CLASS SUV, Model: MERCEDES-BENZ G-CLASS SUV 2018Pages: 549, PDF Size: 10.22 MB
Page 61 of 549

Fi
tting the ISOFIX or i‑Size child restra int
sy stem on there ar seat &
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. Ensu
rethat there ar seat backrest is engaged. To
do so, pull forc efully on the seat backrest. &
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 fitting a child restra int sy stem, obser ve
th efo llowing:
O Alw
ays obser vethe cor rect use and the suit‐
ability of the seats for attaching a child
re stra int sy stem.
ISOFIX child seat securing sy stem
(/ page 54) 58
Occupant saf ety
Page 62 of 549

i‑Size
child seat securing sy stem
(/ page 57)
O Alw
ays comply with the manufacturer's
ins tallation and operating instructions for
th ech ild restra int sy stem used.
O Make sure
that thech ild's feet do not touch
th e front seat. If necessar y,mo vethe front
seat forw ard slightl y. When
fitting an ISOFIX child restra int sys‐
te m, obser vethefo llowing:
O When using a Group 0/0+ baby car seat
or a Group I rear wa rd-facing child
re stra int sy stem on a rear seat: adjust
th e front seat so that the seat does not
to uch thech ild restra int sy stem.
O When using a Group I
forw ard-facing
ch ild restra int sy stem: remo vethe head
re stra int from there spective seat, if possi‐
ble. In addition, the seat backrest of the
ch ild restra int sy stem must, as far as possi‐
ble, lie flat against the backrest of theve hi‐
cle seat. When
youre mo vethech ild restra int sys‐
te m, ins tallth e head restra int again immedi‐
ately and adjust all the head restra ints cor‐
re ctly.
O Fo
r cer tain child restra int sy stems in weight
group 2 or 3, there may be restrictions in
th e maximum size setting, e.g. due topossi‐
ble con tact wi th thero of.
O The
child restra int sy stem must not be put
under stra in between thero of and the seat
cushion and/or be fitted facing the wrong
direction. Where possible, adjust the seat
cushion inclination accordingly.
O The
child restra int sy stem must not be put
under stra in by the head restra ints. Adjust
th e head restra ints according ly. When
fitting an i‑Size child restra int sys‐
te m, obser vethefo llowing:
O When using a
rear wa rd-facing child
re stra int sy stem: adjust the front seat so
th at it does not touch thech ild restra int sys‐
te m. O
When using a
forw ard-facing child
re stra int sy stem: remo vethe head
re stra int from there spective seat, if possi‐
ble. In addition, the seat backrest of the
ch ild restra int sy stem must, as far as possi‐
ble, lie flat against the backrest of theve hi‐
cle seat.
When youre mo vethech ild restra int sys‐
te m, ins tallth e head restra int again immedi‐
ately and adjust all the head restra ints cor‐
re ctly. Occupant saf
ety59
Page 63 of 549

1
ISOFIX mounting brac ket
2 i‑Size mounting brac ket
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 thmounting
brac kets in theve hicle. *
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 or i‑Size child restra int sys‐
te m to both mounting brac kets in theve hicle. Securing
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, braking or sudden changes of direction.
As a result, child restra int sy stems can no
longer per form their intended pr otective
function. Rear seat backrests that are not
loc ked can also cause additional injuries, e.g.
in theev ent of an accident. #
Alw ays lock rear seat backrests af ter
fi tting TopTe ther belts. #
Set there ar seat backrests tothe
upright position. Ensure
that there ar seat backrest is engaged. To
do so, pull forc efully on the seat backrest. If
th ech ild restra int sy stem is equipped
with a TopTe ther belt:
The risk of injury can be reduced byTo p
Te ther. The TopTe ther belt facilitates an
additional connection between thech ild
re stra int sy stem attached with ISOFIX or
i‑Size and theve hicle. 60
Occupant saf ety
Page 64 of 549

#
Remo vethe load compartment co ver and the
load pr otection net (/ page105). #
Ifnecessa ry, mo vehead restra int 1
upwards (/ page 90). #
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. #
Guide TopTe ther belt 4under head
re stra int 1 between the two head restra int
bars. #
Hook TopTe ther hook 3without twisting
into TopTe ther anchorage 2. #
Tension TopTe ther belt 4. Alw ays comply
with thech ild restra int sy stem manufactur‐
er's ins tallation instructions when doing so. #
If necessar y,slide head restra int 1 down‐
wa rds (/ page 90). Make sure that you do
not inter fere with the cor rect routing of To p
Te ther belt 4. Occupant saf
ety61
Page 65 of 549

Securing
thech ild restra int sy stem with the seat belt Note
s onthe suitability of seats for attaching belt-secured child restra int sy stems
Re ar seats We
ight categor yL eft/rightrear seat
Centrerear seat 1
1 Child restrai nt sy stems with a supporting brac ket are not sui table forth is seat.
Category 0: upto10 kg U, LU , L
Category 0+: upto13 kg U, LU , L
Category I: 9to 18 kg U, LU , L
Category II: 15to25 kg U, LU , L
Category III: 22to36 kg U, LU , L
U Suitable forch ild restrai nt sy stems of the "Universal" category in this we ight categor y.
L Suitable for semi-universal child restrai nt sy stems according totheta ble in "Recommended child restrai nt sy stems", or if theve hicle and the seat are lis ted in the
ch ild restrai nt sy stem manufacturer's vehicle model list. 62
Occupant saf ety
Page 66 of 549

Fr
ont passenger seat – NotesNote
s onchild restra int sy stems on the front passenger seat
R If it is absolutely necessary foryo uto fit a child restra int sy stem tothe front passenger seat, be sure toobser vethe information on child restra int
sy stems on the front passenger seat (/ page67).
Obser vethe specific instructions forth ere ar wa rd-facing and forw ard-facing child restra int sy stems. If the front passenger seat is occupied, ensure,
bo th before and during the journe y,that thest atus of the front passenger front airbag is cor rect forth e cur rent situation (/ page 40). Fr
ont passenger seat We
ight category
Front passenger front airbag enabled 1
Front passenger front airbag disabled 1, 2
1 Ad just the seat cushion inclination so that the front edge of the seat cushion is
in the highest position and there ar edge of the seat cushion is in the lo west posi‐
tion. 2 The
vehicle is equipped with automatic front passenger front airbag shutoff. The
PA SSENGER AIR BAG OFF indicator lamp must be lit.
Category 0: upto10 kg XU , L
Category 0+: upto13 kg XU , L
Category I: 9to 18 kg UF,LU , L
Category II: 15to25 kg UF,LU , L Occupant saf
ety63
Page 67 of 549

We
ight category
Front passenger front airbag enabled 1
Front passenger front airbag disabled 1, 2
Category III: 22to36 kg UF,LU , L
X Not suitable forch ildren in this we ight categor y.
UF Suitable forfo rw ard-facing child restrai nt sy stems of the "Universal" category
in this we ight categor y. L Suitable
for semi-universal child restrai nt sy stems according totheta ble in "Rec‐
ommended child restra int sy stems", or if theve hicle and the seat are lis ted in the
ch ild restra int sy stem manufacturer's vehicle model list.
U Suitable forch ild restrai nt sy stems of the "Universal" category in this we ight cat‐
egor y. Securing
thech ild restra int sy stem with the
seat belt on there ar seat &
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. Ensu
rethat there ar seat backrest is engaged. To
do so, pull forc efully on the seat backrest. When
fitting a belt-secu redch ild restra int sys‐
te m, obser vethefo llowing:
O Alw
ays comply with the manufacturer's
ins tallation and operating instructions for
th ech ild restra int sy stem used.
O Fo
r a child restra int sy stem in the "Univer‐
sal" or "Semi-Universal" categor y,make
sure that the sy stem has been appr oved for
th eve hicle seat.
Obser vethe no tes under "Suitability of
seats for attaching belt-secu redch ild
re stra int sy stems" (/ page 62). 64
Occupant saf ety
Page 68 of 549

O
When using a category
0/0+ baby car
seat and a category I rear wa rd-facing
ch ild restra int sy stem on a rear seat:
adju stthe front seat so that the seat does
not touch thech ild restra int sy stem.
O When using a category I
forw ard-facing
ch ild restra int sy stem: remo vethe head
re stra int from there spective seat, if possi‐
ble.
Af terre moving thech ild restra int sy stem,
re place the head restra ints again immedi‐
ately and adjust them cor rectly.
O The ba
ckrest of thefo rw ard-facing child
re stra int sy stem must, as far as possible, be
re sting on the seat backrest of there ar
seat.
O Fo
r cer tain child restra int sy stems in weight
category II or III, there may be restrictions in
th e maximum size setting, e.g. due topossi‐
ble con tact wi th thero of.
O The
child restra int sy stem must not be put
under stra in between thero of and the seat
cushion and/or be fitted facing the wrong direction. Where possible, adjust
the seat
cushion inclination accordingly.
O The
child restra int sy stem must not be put
under stra in by the head restra ints. Adjust
th e head restra ints according ly.
O Make sure
that thech ild's feet do not touch
th e front seat. If necessar y,mo vethe front
seat forw ard slightl y. #
Fitthech ild restra int sy stem.
The entire base of thech ild restra int sy stem
must alw aysre st on the sitting sur face of the
re ar seat. #
Alw ays make sure that the shoulder belt
st ra p is cor rectly routed from the seat belt
outlet of theve hicle tothe shoulder belt
guide on thech ild restra int sy stem.
The shoulder belt stra p must be routed for‐
wa rds and down wards from the seat belt out‐
let. Note
s onvehicles without automatic front
passen ger front airbag shu toff St
icke r visible when the front passenger door
is open
Ve hicles without automatic front passenger front
airbag shutoff ha vea special sticke r af fixe dto
th e side of the cockpit on the front passenger
side. Occupant saf
ety65
Page 69 of 549

Make sure
you obse rveth efo llowing informa‐
tion:
R Neverfit a rear wa rd-facing child restra int
sy stem tothe front passenger seat
R Alw aysfit a rear wa rd-facing child restra int
sy stem toa suitable rear seat
- Suitability of seats for attaching belt-
secured child restra int sy stems
(/ page 62)
- Secure thech ild restra int sy stem with the
seat belt on there ar seat (/ page64).
R Notes on rear wa rd-facing and forw ard-facing
ch ild restra int sy stems on the front
passenger seat (/ page 66) Note
s onrear wa rd-facing and forw ard-facing
ch ild restra int sy stems on the front
passenger seat &
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
seat and thePA SSENGER AIR BAG OFF indi‐
cator lamp is off, the front passenger airbag
can deploy in theev ent of an accident.
The child could be stru ck bythe airbag.
Alw ays ensure that the front passenger air‐
bag is disabled. The PASSENGER AIR BAG
OFF indicator lamp must be lit.
NEVER use a rear wa rd-facing child restra int
sy stem on a seat pr otected byan ENABLED
FRONT AIRB AGin front of it, DE ATH or SERI‐
OUS INJU RYtotheCH ILD can occur. Obser
vethe specific instructions forth ere ar‐
wa rd-facing and forw ard-facing child restra int
sy stems (/ page67). Wa
rning notice on the front passenger sun visor
Alw ays obser vethest atus of the front passenger
front airbag on thePA SSENGER AIR BAG OFF
indicator lamp:
R If it is absolutely necessary tofit a child
re stra int sy stem tothe front passenger seat,
alw ays obser vethe information on automatic
front passenger front airbag shutoff
(/ page 39). 66
Occupant saf ety
Page 70 of 549

R
When using a rear wa rd-facing child restra int
sy stem on the front passenger seat, the front
passenger front airbag must alw ays be disa‐
bled. This is only the case if thePA SSENGER
AIR BAG OFF indicator lamp is lit continu‐
ously (/ page 40).
R Ifth ePA SSENGER AIR BAG OFF indicator
lamp is off, the front passenger front airbag
is enabled. The front passenger front airbag
may deploy during an accident.
Securing the child restra int sy stem with the
seat belt on the front passenger seat
When fitting a belt-secu redch ild restra int sys‐
te m on the front passenger seat, alw ays obser ve
th efo llowing:
O Obser
vethech ild restra int sy stem manufac‐
turer's ins tallation and operating instruc‐
tions.
O Fo
r a child restra int sy stem in the "Univer‐
sal" or "Semi-Universal" categor y,make
sure that the sy stem has been appr ovedfor
th eve hicle seat. Obser
vethe no tes under "Suitability of
seats for attaching belt-secu redch ild
re stra int sy stems" (/ page 62).
O When using a
forw ard-facing child restra int
sy stem in Group I: remo vethe head
re stra int from there spective seat, if possi‐
ble.
When youre mo vethech ild restra int sys‐
te m, ins tallth e head restra int again immedi‐
ately and adjust all the head restra ints cor‐
re ctl y.
O The backrest of
thefo rw ard-facing child
re stra int sy stem must, as far as possible, be
re sting on the seat backrest of the front
passenger seat.
O Fo
r cer tainch ild restra int sy stems in weight
group II or III, there may be restrictions in
th e maximum size setting, e.g. due topossi‐
ble con tact wi th th ero of.
O The
child restra int sy stem must not be put
under stra in between thero of and the seat
cushion and/or be fitted facing the wrong
direction. Adjust the seat backrest inclina‐
tion according ly. O
The
child restra int sy stem must not be put
under stra in by the head restra ints. Adjust
th e head restra ints accordingly.
O Ne
ver place objects under or behind the
ch ild restra int sy stem, e.g. cushions. #
Set the front passenger seat as far back as
possible and mo vethe seat into the highest
position. #
Fully retract the seat cushion length adjust‐
ment. #
Adjust the seat cushion inclination so that
th e front edge of the seat cushion is in the
highest position and there ar edge of the
seat cushion is in the lo west position. #
Set the seat backrest toan almost vertical
position. #
Fitthech ild restra int sy stem.
The entire base of thech ild restra int sy stem
must alw aysre st on the sitting sur face of the
front passenger seat. #
Alw ays make sure that the shoulder belt
st ra p is cor rectly routed from the seat belt Occupant saf
ety67