2021 MERCEDES-BENZ GLS SUV belt

Mercedes-Benz strongly advises
that you /t a
ch ild restraint system toare ar seat.
The g
The g ener
eneric t
ic ter
erm c
m c hild r
hild r es
estr
traint syst
aint syst em
em
The generic term child restraint system is used in
th is Owner's Manual. A child restraint system is,
fo rex ample:
R a baby car seat
R are ar wa rd-facing child seat
R afo rw ard-facing child seat
R ach ild booster seat with a backrest and seat
belt guide
Mercedes-Benz recommends using a child
booster seat with a backrest.
The child restraint system must be appropria te to
th e age, weight and size of thech ild.
Observ
Observ e law e laws and leg
s and leg al r
al req
equir
uir ements
ements
Alw ays obser vethe legal requ irements when
using a child restraint system in theve hicle.
Make sure that thech ild restraint system is
appro ved in accordance with theva lid test speci/-
ca tions and guidelines. Further information can
be obtained at a quali/ed specialist workshop. Mercedes-Benz
recommends that you use a
Mercedes-Benz Service Centre forth is purpose.
Onl
Onl y use appr ov
y use appr oved ced c hild r
hild r es
estrtraint syst
aint syst ems
ems
Only child restraint systems that meet thefo llo w-
ing UNECE standards are permitted for use in the
ve hicle:
R UN-R44
R UN-R129 (i-Size child restraint systems)
In fo rm ation on child restraint system appro val
categories and de tails on the appr oval label on
th ech ild restraint system (/ page 62). Det
Det
ecting r
ecting r isk
isks,av
s, avoiding dangoiding dang er
er Secur
Secur
ing syst
ing syst ems f
ems for c
or child r
hild r es
estrtraint syst
aint syst ems in
ems in
t
t he v
he v ehicle
ehicle
Only use thefo llowing securing systems forch ild
re straint systems:
R the ISOFIX or i-Size securing rings
R theve hicle's seat belt system
R theTo pTe ther anchorages Fi
tting an ISOFIX or an i-Size child restraint sys-
te m is prefer red.
Simply attaching tothe securing rings on theve hi-
cle can reduce therisk of /tting thech ild restraint
system incor rectl y.
When securing a child with the integ rated seat
belt of the ISOFIX or i-Size child restraint system,
al wa ys comply with the permissible gross weight
fo rth ech ild and child restraint system
(/ page 66).
A
A dv
dv ant
ant ag
age of a r
e of a r earw
earwar
ard-f
d-f acing c
acing c hild r
hild res
estrtraint sy
aint sy s-
s-
t
t em
em
It is preferable totransport a baby or a small child
in a suitable rear wa rd-facing child restraint sys-
te m. In this case, thech ild sits in the opposite
direction tothe direction of tr avel and faces bac k-
wa rds.
Babies and small children ha vecomparatively
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 restraint system. 58
58
Occupant sa
fety

Alw
ay
Alw ays secur
s secur e a c
e a child r
hild r es
es tr
traint syst
aint syst em corr
em correctly
ectly &
W
WARNING
ARNING Risk of injury or death due to
incor rect ins tallation of thech ild restraint
system
The child can then not be pr otected or
re strained as intended. #
Be su retocomply with the manufactur-
er's installation inst ructions forth ech ild
re straint system and its co rrect use. #
Make sure that the entire base of the
ch ild restraint system al ways rests on
th e sitting sur face of the seat. #
Never place objects (e.g. cushions)
under or behind thech ild restraint sys-
te m. #
Use child restraint systems on lywith the
original co ver designed forth em. #
Alwaysre place damaged co vers with
ge nuine co vers. &
W
WARNI NG
ARNI NGRisk of injury or dea thdue to
unsecured child restraint systems in the
ve hicle
If th ech ild restraint system is incor rectly /tted
or not secured, it can come loose.
The child restraint system could be 0ung
around and hit vehicle occupants. #
Always ins tallch ild restraint systems co r-
re ctl y,even when not in use. #
Always comply with thech ild restraint
system manufactu rer's installation
inst ructions. R
Always obser vethech ild restraint system
manufactu rer's installation and operating
inst ructions as well as theve hicle-speci/c
information:
- Fitting the ISOFIX or i-Size child restraint
system tothere ar seat (/ page 66).
- Securing thech ild restraint system wi th
th e seat belt on there ar seat
(/ page 74). -
Securing thech ild restraint system wi th
th e seat belt on the front passenger seat
(/ page 77). Obser vethe speci/c
inst ructions forth ere ar wa rd-facing and
fo rw ard-facing child restraint systems
(/ page 76).
If th e front passenger seat is occupied,
ensure, bo thbefore and during the jour-
ne y,that the status of the front passenger
airbag is cor rect forth e cur rent situation
(/ page 53).
R Obser vethewa rning labels in theve hicle inte-
ri or and on thech ild restraint system.
R Also secu reTopTe ther if present.
Do no
Do no t modify t t modify t he c
he child r
hild r es
estrtraint syst
aint syst em
em &
W
WARNING
ARNING Risk of injury due tomodi/ca-
tions tothech ild restraint system
The child restraint system can no longer func-
tion prope rly. This poses an increased risk of
injur y. #
Never modify a child restraint system. Occupant sa
fety
59
59

#
Keep theve hicle key out of there ach of
ch ildren. &
W
W ARNING
ARNING Risk offatal injury due toexpo-
sure toextreme heat or cold in theve hicle
If persons, particular lych ildren, are subjected
to prolonged exposure tointense heat or cold,
th ere is a risk of se vere injury or even death. #
Never lea vepersons, particular lych il-
dren, unattended in theve hicle. Ov
Ov
er
ervie
vie w of r
w of r ecommended c
ecommended c hild r
hild res
estr
traint syst
aint syst ems
ems %
Further information on the cor rect child
re straint system can be ob tained at a quali-
/ed specialist workshop. Mercedes-Benz rec-
ommends that you use a Mercedes-Benz
Service Centre forth is purpose. Secur
Secur ing wit
ing wit h ISOFIX
h ISOFIX
W
W eight cat
eight cat egor
egory 0+ (up t
y 0+ (up t o 13 k
o 13 kg and up to
g and up to
appro
appro x. 15 mont
x. 15 mont hs)
hs) T
T
ype
ype 1
1
B
BAB
AB Y S
Y S AFE plus
AFE plus
Size catego ry E
Appro valE 1 04 301 146
Order number 2
B6 6 86 8224
1 Manufacturer: Britax Römer .2 With colour code 9H95. W
W
eight cat
eight cat egor
egory I (9 t
y I (9 t o 18 k
o 18 kg and fr g and fr om appro
om appro x-
x-
imat
imat el
ely 9 mont
y 9 mont hs t
hs to 4 y
o 4 y ear
ears)
s) T
T
ype
ype 1
1
DUO plus
DUO plus
Size categor yB1
Appro valE 1 04 301 133
Order number 2
A 000 970 43 02
1 Manufacturer: Britax Römer .2 With colour code 9H95. Secur
Secur
ing wit
ing wit h t
h the v
he v ehicle seat belt
ehicle seat belt
W
W eight cat
eight cat egor
egory 0 (up t
y 0 (up t o 10 k
o 10 kg and approg and appro ximat
ximat ely
ely
6 mont
6 mont hs) and w
hs) and w eight cat
eight categor
egory 0+ (up t
y 0+ (up t o 13 kg
o 13 kg
and appro
and appro ximat
ximatel
ely 15 mont
y 15 mont hs)
hs) T
T
ype
ype 1
1
B
BAB
AB Y S
Y S AFE plus II
AFE plus II
Appr oval E1 04 301 146
Order number 2
A 000 970 38 02
1 Manufactu rer: Britax Römer .2 With colour code 9H95. W
W
eight cat
eight cat egor
egory I (9 t
y I (9 t o 18 k
o 18 kg and fr g and fr om appro
om appro x-
x-
imat
imat el
ely 9 mont
y 9 mont hs t
hs to 4 y
o 4 y ear
ear s)
s) T
T
ype
ype 1
1
DUO plus
DUO plus
Appr oval E1 04 301 133
Order number 2
A 000 970 43 02
1 Manufactu rer: Britax Römer .2 With colour code 9H95. Occupant saf
ety
61
61

W
W
eight cat
eight cat egor
egory II/III (15 t
y II/III (15 t o 36 k
o 36 kg and frg and fr om
om
appro
appro ximat
ximatel
ely 3 t
y 3 t o 12 y
o 12 y ear
ears)
s) T
T
ype
ype 1
1
KIDFIX XP
KIDFIX XP
Appr oval E1 04 301 304
Order number 2
A 000 970 49 02 T
T
ype
ype 1
1
AMG KIDFIX XP
AMG KIDFIX XP
App rova lE 1 04 301 304
Order number 2
A 000 970 33 02
1 Manufacturer: Britax Römer .2 With colour code 9H95. Ov
Ov
er
ervie
vie w of suit
w of suit able seats in t
able seats in t he v
he vehicle f
ehicle f or
or/tting
/tting
a c
a c hild r
hild r es
estrtraint syst
aint syst em
em LeT/r
LeT/r
ight
ightr
rear seat
ear seat
Second row of seats (leT and right seat), prefer-
re d securing system:
® ISOFIX child seat securing system
(/ page 64)
or °
i-Sizechild seat securing system
(/ page 66)
¯ Also secure TopTe ther if present
(/ page 70).
Third row of seats, prefer red securing system:
® ISOFIX child seat securing system
(/ page 64)
¯ Also secure TopTe ther if present
(/ page 70).
LeT/ right rear seat (second and third seat row) –
alternative securing system:
7 Vehicle seat belt (/ page 72)
F
F r
ront passeng
ont passeng er seat
er seat
Securing system:
7 Vehicle seat belt (/ page 72)
Be sure toobser ve:
R Ifth e front passenger seat is occupied,
ensure, bo thbefore and during the journe y,
th at the status of the front passenger airbag is
cor rect forth e cur rent situation (/ page 53).R
Notes on automatic front passen ger airbag
shuto. (/ page 51).
Centr
Centr e r e rear seat (second seat ro
ear seat (second seat row)
w)
Securing system:
7 Vehicle seat belt (/ page 72) App
rov
Approv al cat al categor
egor ies f
ies f or c
or child r
hild r es
estrtraint syst
aint syst ems
ems Onl
Onl
y use app rov
y use appr oved ced c hild r
hild r es
estrtraint syst
aint syst ems
ems
Only child restraint systems that meet thefo llo w-
ing UNECE standards are permitted for use in the
ve hicle:
R UN-R44
R UN-R129 (i-Size child restraint systems)
Iden ti/cation
Identi/cation on t
on the c
he c hild r
hild r es
estr
traint sy st
aint syst em
em
In fo rm ation about the appr oval catego ry,we ight
category and appr oval number, forex ample, is on
th e appr oval label on thech ild restraint system.
There ma y be further information such as the ISO-
FIX size categories, depending on the appr oval
catego ryofthech ild restraint system. 62
62
Occupant sa
fety

The identi/ca
tion i‑Urefers to i‑Size child
re straint systems in the "Universal" categor y.
These child restraint systems must also be
secu red using TopTe ther or support points.
Observ
Observ e t
e the suit
he suit ability of v
ability of v ehicle seats
ehicle seats
Depending on the appr oval catego ry,th ere are
fo rw ard-facing and rear wa rd-facing child restraint
systems. Their use can be restric tedfo r cer tain
ve hicle seats:
R Suitability of seats for attaching ISOFIX child
re straint systems (/ page 64)
R Suitability of seats for securing i‑Size child
re straint systems (/ page 66).
R Suitability of seats for attaching belt-secured
ch ild restraint systems (/ page 72) F
F
itting an ISOFIX or i-Size c
itting an ISOFIX or i-Size c hild r
hild r es
estrtraint syst
aint syst em
em
on t
on t he
heleT
leT and r
and r ight r
ight r ear seats
ear seats Ov
Ov
er
ervie
vie w of suit
w of suit ability of t
ability of t he seats f
he seats f or att
or attac
aching
hing
ISOFIX c
ISOFIX c hild r
hild res
estrtraint syst
aint syst ems
ems
ISOFIX is a standardised securing system for spe-
cially designed child restraint systems.
® The symbol indicates seats suitable for
attaching an ISOFIX child restraint system
in acco rdance with UN R44 (/ page 62).
At tach only child restraint systems that are
appr oved in accordance with UN R44 as
per thefo llowing ISOFIX tables.
Carr
Carr y co
y cot f
t for second and t
or second and t hir
hirdrow
d row s of seats
s of seats Size class –
Size class –
Eq Eq
uipment
uipment LeT/r LeT/r
ight ightr
rear seat
ear seat
F – ISO/L1 X
G – ISO/L2 X
X Not suitable for an ISOFIX child restraint system in this we ight
gr oup and/or size class. W W
eight gr
eight group 0 (up t
oup 0 (up t o 10 k
o 10 kg and up tg and up t o appro
o approx. 6
x. 6
mont
mont hs) f
hs) for second and t
or second and t hir
hirdrow
d row s of seats
s of seats Size class –
Size class –
Eq Eq
uipment
uipment LeT/r
LeT/r
ight
ightr
rear seat
ear seat
E – ISO/R1 IL IL Sui table for ISOFIX child restraint systems acco rding totheta ble
in "Overview of there commended child restraint systems", or if the
ve hicle and the seat are listed on thech ild restraint system manu-
fa cturer's vehicle model list. W
W
eight gr
eight group 0+ (up t
oup 0+ (up t o 13 k
o 13 kg and up tg and up t o appro
o approx.
x.
15 mont
15 mont hs) f
hs) for second ro
or second row of seats
w of seats Size class –
Size class –
Eq Eq
uipment
uipment LeT/r LeT/r
ight ightr
rear seat
ear seat
E – ISO/R1 IL
D – ISO/R2,
ISO/R2X IL64 64
Occupant saf
ety

W
W
eight gr
eight group 1 (9–18 k
oup 1 (9–18 kg and appro g and approx. 9 mont
x. 9 months
hs
up t
up t o 4 y
o 4 y ear
ears) f
s) for t
or t hir
hirdro
d ro w of seats
w of seats Size class –
Size class –
Eq Eq
uipment
uipment LeT/r
LeT/r
ight
ightr
rear seat
ear 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 suitable for an ISOFIX child rest raint system in this we ight
gro up and/or size class.
IUF Suitable forfo rw ard-facing ISOFIX child restraint systems of the
"Universal" category in this we ight group. Ov Ov
er
ervie
vie w of suit
w of suit ability of t
ability of t he seats f
he seats f or att
or attac
aching
hing
i‑Size c
i‑Size c hild r
hild res
estrtraint syst
aint syst ems
ems
i‑Size is a standardised securing system for spe-
cially designed child restraint systems.
° The symbol indicates seats suitable for
attaching an i‑Size child restraint system in
acco rdance with UN R129 (/ page 62).
Child restraint systems that are permitted
in accordance with UN R44 as per the ISO-
FIX tables (/ page 64) or UN R129 as per
th efo llowing i‑Size tables may be attached.
i‑Size c
i‑Size c hild r
hild res
estrtraint syst
aint syst ems (ISO/R2, ISO/F2X,
ems (ISO/R2, ISO/F2X,
ISO/B2, ISO/B3)
ISO/B2, ISO/B3) F
F
r
ront passeng
ont passeng er seat
er seatLeT/r
LeT/r ight
ightr
rear seat
ear seat
(second ro
(second row of seats
w of seats
onl
onl y)
y)
Xi ‑U
X Not suitable for an i-Size child
re straint system in the "Univer-
sal" categor y. i-U Suitable
forfo rw ard-facing
and rear wa rd-facing i-Size child
re straint systems in the "Univer-
sal" categor y. F
F
itting t
itting t he ISOFIX or i‑Size c
he ISOFIX or i‑Size c hild r
hild res
estrtraint syst
aint syst em
em
on t
on t he
heleT
leT and r
and r ight r
ight r ear seats
ear seats &
W
WARNING
ARNING Risk of accident if there ar
ben chseat, rear seat and seat backrest
are not engaged
The rear ben chseat, rear seat and seat bac k-
re st ma yfo ld forw ards, even while theve hicle
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 topro-
te ct as intended and could cause addi-
tional injur y.
R Objects or loads in the boot or load com-
partment cannot be restrained bythe seat
backrest. #
Make sure that there ar ben chseat, the
re ar seat and the seat backrest are
engaged before every trip. If
th e seat backrest is not engaged and loc ked in
place, this will be shown on the display on the
inst rument cluster (folding there ar seat back 66
66
Occupant saf
ety

electrically) or
there d lock veri/cation indicator
will be visible (folding there ar seat back mechani-
cally). &
W
WARNING
ARNING Risk of injury or death if the
permissible gross mass of thech ild and
ch ild restraint system toge ther is excee-
ded.
To o much load may be placed on the ISOFIX
or i‑Size child restraint systems and thech ild
may not be restrained co rrectly in theev ent of
an accident, forex ample. #
Ifth ech ild and thech ild restraint system
to get her weigh more than 33 kg, only
use an ISOFIX or i‑Size child restraint
system wi thwhich thech ild is secured
with theve hicle seat belt. #
Also secure thech ild restraint system
wi th th eTo pTe ther belt, if available. Alw
ays comply with the information about the
mass of thech ild restraint system:
R inthe manufacturer's installation and operat-
ing inst ructions forth ech ild restraint system
used
R on a label on thech ild restraint system, if
present
Re gula rly ch eck that the permissible gross mass
of thech ild and child restraint system is still com-
plied wi th.
When /tting a child restraint system, obse rvethe
fo llowing:
O Always obser vethe cor rect use of the seats
and consider their suitability for attaching a
ch ild restraint system.
ISOFIX child seat securing system
(/ page 64)
or
i‑Size child seat securing system
(/ page 66) O
Always comply with the manufacturer's
installation and operating instructions forthe
ch ild restraint system used.
O Makesure that thech ild's feet do not touch
th e front seat. If necessar y,mo vethe front
seat slightly forw ards.
® When /tting an ISOFIX child restraint sys-
te m, also obser vethefo llowing:
O When using a bab
When using a bab y car seat in w y car seat in weightgr
eight group
oup
0/0+ and a r
0/0+ and a r earw
earwar
ard-f
d-f acing c
acing c hild r
hild res
estrtraint
aint
syst
syst em in w
em in w eightgr
eight group 1 on a r
oup 1 on a r ear seat
ear seat::
adjust the front seat so that the seat does
not touch thech ild restraint system.
O When using a f
When using a f orw
orwar
ard-f
d-f acing c
acing c hild r
hild r es
estrtraint
aint
syst
syst em in w
em in w eightgr
eight group 1:
oup 1: remo vethe head
re straint from there specti veseat, if possible.
In addition, the backrest of thech ild restraint
system must lie as 0at as possible against
th e backrest of theve hicle seat.
ATer thech ild restraint system has been
re mo ved, replace the head restraint immedi-
atel y and adjust all head restraints co rrectl y. Occupant saf
ety
67
67

O
When using a c
When using a c hild r
hild res
estrtraint syst
aint syst em on a
em on a
seat on t
seat on t he t
he thir
hirdro
d ro w of seats:
w of seats: adjustthe
front seat so that it does not touch thech ild
re straint system and mo vethe seat backrest
of the front seat into an upright position if
necessar y.
O Ifth e head restraint of thech ild seat cannot
be fully extended when it is installed in the
ve hicle, this will result in restrictions on the
maximum size setting forch ild restraint sys-
te ms in weight group 2 or 3.
Contact with thero of when the head
re straint is ful lyex tended and loc ked in place
will not result in any restrictions on use.
O Thechild restraint system must not be put
under strain between thero of and the seat
cushion and/or be /t tedfacing the wrong
direction. Where possible, adjust the seat
cushion inclination accordingl y.
O Thechild restraint system must not be put
under strain bythe head restraint. Adjust the
head restraints as appropria te. °
When /tting an i‑Size child restraint system,
also obse rveth efo llowing:
O When using a r
When using a r earw
earwar
ard-f
d-f acing c
acing c hild r
hild res
estrtraint
aint
syst
syst em:
em: adjust the front seat so that it does
not touch thech ild restraint system.
O When using a f When using a f orw
orw ar ard-f
d-f acing c
acing c hild r
hild res
estrtraint
aint
syst
syst em:
em: remo vethe head restraint from the
re specti veseat, if possible. In addition, the
backrest of thech ild restraint system must
lie as 0at as possible again stthe backrest of
th eve hicle seat.
ATer thech ild restraint system has been
re mo ved, replace the head restraint immedi-
atel y and adjust all head restraints co rrectl y. #
Before every journe y,make sure that the ISO-
FIX child restraint system or the i‑Size child
re straint system is engaged co rrectly in bo th
mounting brac kets in theve hicle. *
N
NOOTE
TE Damage tothe seat belt forthe
cent reseat during ins tallation of thech ild
re straint system #
Makesure that the seat belt is not trap-
ped. 68
68
Occupant saf
ety