2020 MERCEDES-BENZ GLS SUV Owners Manual

Fi
tting an ISOFIX or i-Size child restra int sys‐
te m on the rear seat Overview of suitability of
the seats for
attaching ISOFIX child restra int sy stems
ISOFIX is a standardised securing sy stem for
specially designed restra int sy stems.
® The symbol indicates seats suitable for
attaching an ISOFIX child restra int sy stem
in accordance with UN R44 (/ page 60).
At tach only child restra int sy stems that
are appr oved in accordance with UN R44
as per thefo llowing ISOFIX tables.
Car rycot for second and third rows of seats Size class –
Equipment
Left/right
rear seat
F – ISO/L1 X
G – ISO/L2 X
X Not sui table for an ISOFIX child restrai nt sy stem in this we ight
group and/or size class. We
ight group 0 (up to10 kgand up to
appr ox. 6 months) for second and third rows
of seats Size class –
Equipment
Left/right
rear seat
E – ISO/R1 IL
IL Suitable for ISOFIX child restra int sy stems according tothe
ta ble in "Overview of there commended child restra int sy stems",
or if theve hicle and the seat are lis ted on thech ild restrai nt sys‐
te m manufacturer's vehicle model list. We
ight group 0+ (up to13 kgand up to
appr ox.15 months) for second row of seats Size class –
Equipment
Left/right
rear seat
E – ISO/R1 IL
D – ISO/R2,
ISO/R2X IL Size class –
Equipment
Left
/right rear seat
C – ISO/R3 IL (1) IL Suitable for ISOFIX child restrai nt sy stems according tothe
ta ble in "Overview of there commended child restrai nt sy stems",
or if theve hicle and the seat are lis ted on thech ild restrai nt sys‐
te m manufacturer's vehicle model list.
(1) When using a child restra int sy stem of size class (ISO/R3),
mo vethe front seat into the highest position. Make sure that the
seat backrest of the front seat does not rest against thech ild
re strai nt sy stem. We
ight group 0+ (up to13 kgand up to
appr ox.15 months) for third row of seats Size class –
Equipment
Left/right
rear seat
E – ISO/R1 IL
D – ISO/R2,
ISO/R2X X62
Occupant saf ety

Size class –
Equipment
Left/right
rear seat
C – ISO/R3 X
IL Suitable for ISOFIX child restra int sy stems according tothe
ta ble in "Overview of there commended child restra int sy stems",
or if theve hicle and the seat are lis ted on thech ild restra int sys‐
te m manufacturer's vehicle model list.
X Not suitable for an ISOFIX child restrai nt sy stem in this we ight
group and/or size class. We
ight group 1 (9–18 kgand appr ox. 9
months to4ye ars) for second row of seats Size class –
Equipment
Left/right
rear seat
D – ISO/R2,
ISO/R2X IL
C – ISO/R3 IL (1)
B – ISO/F2 IUF
B1 – ISO/F2X IUF Size class –
Equipment
Left
/right rear seat
A – ISO/F3 IUF
IL Suitable for ISOFIX child restra int sy stems according tothe
ta ble in "Overview of there commended child restra int sy stems",
or if theve hicle and the seat are lis ted on thech ild restrai nt sys‐
te m manufacturer's vehicle model list.
IUF Suitable forfo rw ard-facing ISOFIX child restra int sy stems of
th e "Universal" category in this we ight group.
(1) When using a child restrai nt sy stem of size class (ISO/R3),
mo vethe front seat into the highest position. Make sure that the
seat backrest of the front seat does not rest against thech ild
re stra int sy stem. We
ight group 1 (9–18 kgand appr ox. 9
months to4ye ars) for second row of seats Size class –
Equipment
Left/right
rear seat
D – ISO/R2,
ISO/R2X X
C – ISO/R3 X
B – ISO/F2 IUF
B1 – ISO/F2X IUF
A – ISO/F3 IUF
X Not sui table for an ISOFIX child restra int sy stem in this we ight
group and/or size class.
IUF Suitable forfo rw ard-facing ISOFIX child restra int sy stems of
th e "Universal" category in this we ight group. Occupant saf
ety63

Overview of suitability of
the seats for
attaching i‑Size child restra int sy stems
i‑Size is a standardised securing sy stem for spe‐
cially designed restra int sy stems.
° The symbol indicates seats suitable for
attaching an i‑Size child restra int sy stem
in accordance with UN R129
(/ page 60).
Child restra int sy stems that are permit ted
in accordance with UN R44 as per the
ISOFIX tables (/ page 62) or UN R129 as
per thefo llowing i‑Size tables may be
attached. i‑Size
child restra int sy stems (ISO/R2, ISO/
F2X, ISO/B2, ISO/B3) Fr
ont passenger
seat Left/right
rear seat
(second row of
seats only)
Xi ‑U
X Not suitable for an i-Size
ch ild restrai nt sy stem in the
"Universal" categor y.i-U Suitable
forfo rw ard-facing
and rear wa rd-facing i-Size
ch ild restrai nt sy stems in the
"Universal" categor y. Fi
tting an ISOFIX or i‑Size child restra int sys‐
te m on the rear seat &
WARNING Risk of accident if there ar
ben chseat, rear seat and seat backrest
are not engaged
The rear ben chseat, rear seat and seat back‐
re st may fold forw ards, even while theve hi‐
cle is in motion. R
As a result, theve hicle occupant will be
pressed into the seat belt with increased
fo rc e. The seat belt will not be able to
pr otect as intended and could cause
additional injur y.
R Objects or loads in the boot or load com‐
partment cann otbe restra ined bythe
seat backrest. #
Make sure that there ar ben chseat, the
re ar seat and the seat backrest are
engaged before everytrip. If
th e seat backrest is not engaged and loc ked in
place, this will be shown on the multifunction
display on the instrument clus ter (folding the
re ar seat back electrically) or there d lock verifi‐
cation indicator will be visible (folding there ar
seat back mechanically). 64
Occupant saf ety

&
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.
To o much load may be placed on the ISOFIX
or i‑Size child restra int sy stems and thech ild
may not be restra ined cor rectly in theeve nt
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 of the seats
and consider their suitability for attaching a
ch ild restra int sy stem.
ISOFIX child seat securing sy stem
(/ page 62)
or
i‑Size child seat securing sy stem
(/ page 64)
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 slightly forw ards.
®When fitting an ISOFIX child restra int sys‐
te m, also obser vethefo llowing:
O When using a baby car seat in
weight
gr oup 0/0+ and a rear wa rd-facing child re
stra int sy stem in weight group I on a
re ar seat: adjustthe front seat so that the
seat does not touch thech ild restra int sys‐
te m.
O When using a
forw ard-facing child
re stra int sy stem in weight group 1:
re mo vethe head restra int from there spec‐
tive seat, if possible. In addition, the back‐
re st of thech ild restra int sy stem must lie as
fl at as possible against the backrest of the
ve hicle seat.
Af terth ech ild restra int sy stem has been
re mo ved, replace the head restra ints again
immediately and adjust them cor rectly.
O When using a
child restra int sy stem on
a seat on theth ird row of seats: adjust
th e front seat so that it does not touch the
ch ild restra int sy stem and mo vethe seat
backrest of the front seat into an upright
position if necessar y.
O If
th e head restra int of thech ild seat cannot
be fully extended when it is ins talled in the
ve hicle, this will result in restrictions on the Occupant saf
ety65

maximum size setting
forch ild restra int sys‐
te ms in weight category II or III.
Contact with thero of when the head
re stra int is fully extended and lo cked in
place will not result in any restrictions on
use.
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 int. Adjust
th e head restra ints as appropriate.
° When fitting an i‑Size child restra int sys‐
te m, also 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 backrest of thech ild
re stra int sy stem must lie as flat as possible
against the backrest of theve hicle seat.
Af terth ech ild restra int sy stem has been
re mo ved, replace the head restra ints again
immediately and adjust them cor rectly. #
Before every journe y,make sure that the
ISOFIX child restra int sy stem or the i‑Size
ch ild restra int sy stem is engaged cor rectly in
bo th mounting brac kets in theve hicle.
* NO
TEDama getothe seat belt forthe
centre seat du ring ins tallation of the
ch ild restra int sy stem #
Make sure that the seat belt is not trap‐
ped. Ve
hicles with single rear seats: 1
ISOFIX mounting brac ket
2 i‑Size mounting brac ket #
Remo veand stow aw aycovers 1 or2 of
th e mounting brac kets in theve hicle. #
Attach the ISOFIX or i‑Size child restra int sys‐
te m to both mounting brac kets in theve hicle. 66
Occupant saf ety

#
Afterre moving thech ild restra int sy stem,
re attach co vers 1 or2.
Ve hicles with a rear ben chseat: #
Mercedes-Maybach vehicles with reclin‐
ing rear seats: before an ISOFIX or i-Size
ch ild restra int sy stem is ins talled, tilt the
backrest of there clining rear seat back
slightl y. #
Remo veuphol stered lining 1. #
Vehicles without reclining rear seats: fold
uphols tere d lining 1upwards. #
Turn the support on there ar side of uphol‐
st ered lining 1by90°.
Up hols tere d lining 1will remain folded
upwards. #
Attach the ISOFIX or i‑Size child restra int sys‐
te m to both mounting brac kets 2 inthe
ve hicle. #
Mercedes-Maybach vehicles with reclin‐
ing rear seats: return there clining rear seat
backrest toan upright position.
The reclining rear seat backrest must be in
con tact wi th thech ild restra int sy stem. Ve
hicles with a third row of seats: #
Attach the ISOFIX child restra int sy stem to
bo th ISOFIX mounting brac kets 1. Occupant sa
fety 67

Securing
TopTe ther &
WARNING Risk of inju ryor death if the
re ar seat backrests are not loc ked af ter
To pTe ther belts are fitted
The rear seat backrests may fold forw ards
when you are driving.
As a result, child restra int sy stems will no
longer be able toper form their intended pro‐
te ctive function. This may also cause addi‐
tional inju ries. #
Alw ays lock rear seat backrests af ter
fi tting TopTe ther belts. #
Obser vethe lock verification indicator. If
th e seat backrest is not engaged and loc ked in
place, this will be shown on the multifunction
display on the instrument clus ter (fold rear seat
back electrically) or there d lock verification indi‐
cator will be visible (fold rear seat back mechani‐
cally).
¯ Ifth ech ild restra int sy stem is equipped
with a TopTe ther belt: The
risk of injury may be reduced byTo p
Te ther. The TopTe ther belt enables an
additional connection between thech ild
re stra int sy stem attached with ISOFIX or
i‑Size and theve hicle.
The TopTe ther anchorages forth e second rowof
seats are located on there ar side of the two
outer rear seats on the second rowof seats. For
th eth ird row of seats, use theTo pTe ther
anchorage on there ar side of the seat backrest
on theth ird row of seats. Second
rowof seats 68
Occupant saf ety

#
If necessar y,slide head restra int 1 upwards
(/ page 117). #
Fitth e ISOFIX or i‑Size child restra int sy stem
with TopTe ther. In doing so, comply with the
ch ild restra int sy stem manufacturer's ins tal‐
lation instructions. #
Guide TopTe ther belt 5under head
re stra int 1 between the two head restra int
bars. #
If load compartment co ver3 is ins talled,
guide TopTe ther belt 5down wards
between load compartment co ver3 and
seat backrest 2. #
Hook TopTe ther hook 6ofTopTe ther belt
5 into TopTe ther anchorage 4without
twisting. #
Tension TopTe ther belt 5. In doing so, com‐
ply with thech ild restra int sy stem manufac‐
turer's ins tallation instructions. #
If necessar y,slide head restra int 1 down‐
wa rds (/ page117). Make sure that you do
not inter fere with the cor rect routing of To p
Te ther belt 5. Securing
thech ild restra int sy stem with the
seat belt Note
s onthe suitability of seats for attach‐
ing belt-secured child restra int sy stems
Re ar seats (second seat row)
We ight category 0: up to10 kg
Left/right rear seat U, L
Centre rear seat 1
U, L We
ight category 0+: up to13 kg
Left/right rear seat U, L
Centre rear seat 1
U, L
We ight category I: 9 to18 kg
Left/right rear seat U, L
Centre rear seat 1
U, L
We ight category II: 15to25 kg
Left/right rear seat U, L
Centre rear seat 1
U, L
We ight category III: 22 to36 kg
Left/right rear seat U, L
Centre rear seat 1
U, L
1 Child restrai nt sy stems with a supporting brac ket
are not sui table forth is seat. Occupant saf
ety69