2021 MERCEDES-BENZ GLS SUV Owners Manual

V
V
ehicles wit
ehicles wit h a t
h a thir
hirdro
d ro w of seats:
w of seats: #
Attach the ISOFIX child restraint system to
bo th ISOFIX mounting brac kets 1. F
F
ast
ast ening a T
ening a T opTet
op Tether
her &
W
WARNING
ARNING Risk of injury or death if the
re ar seat backrests are not loc ked aTer
To pTe ther belts are /t ted
The rear seat backrests may fold forw ards
when you are driving.
As a result, child restraint systems will no lon-
ge r be able toper form their intended pr otec-
tive function. This may also cause additional
injuries. #
Always lock rear seat backrests aTer /t-
ting TopTe ther belts. #
Obser vethe lock veri/cation indicator. 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
elect rically) or there d lock veri/cation indicator
will be visible (folding there ar seat back mechani-
cally).
¯ Ifth ech ild restraint system is equipped
wi th aTo pTe 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 straint system at tach ed with ISOFIX or
i‑Size and theve hicle.
The TopTe ther anchorages forth e second row of
seats are located on there ar side of the two outer
re ar seats on the second row of seats. Forthe
th ird row of seats, use theTo pTe ther anchorage
on there ar side of the seat backrest on theth ird
ro w of seats. 70 70
Occupant saf
ety

Second
row of seats #
If necessar y,slide head restraint 1upwa rds
( / page 120). #
Fitth e ISOFIX or i‑Size child restraint system
wi th TopTe ther. In doing so, comply with the
ch ild restraint system manufactu rer's installa-
tion inst ructions. #
Guide TopTe ther belt 5under head restraint
1 between the two head restraint ba rs. #
If load compartment co ver3 is installed,
guide TopTe ther belt 5down wards between
load compartment co ver3 and seat bac k-
re st 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 restraint system manufactu r-
er's installation inst ructions. #
If necessar y,slide head restraint 1down-
wa rds (/ page 120). Make sure that you do
not inter fere with the cor rect routing of To p
Te ther belt 5. Occupant saf
ety
71
71

Mer
Mer
cedes‑Ma
cedes‑Ma ybac
ybac h v
h v ehicles
ehicles #
If necessar y,slide head restraint 1upwa rds
( / page 120). #
Remo vecover2 ofTopTe ther anchorage
3. #
Fitth e ISOFIX or i‑Size child restraint system
wi th TopTe ther. In doing so, comply with the ch
ild restraint system manufactu rer's installa-
tion inst ructions. #
Guide TopTe ther belt 4under head restraint
1 between the two head restraint ba rs. #
Hook TopTe ther hook 5ofTopTe ther belt
4 into TopTe ther anchorage 3without
twisting. #
Tension TopTe ther belt 4. In doing so, com-
ply with thech ild restraint system manufactu r-
er's installation inst ructions. #
If necessar y,slide head restraint 1down-
wa rds (/ page 120). Make sure that you do not inter
fere with the cor rect routing of To p
Te ther belt 4. Secur
Secur
ing t
ing the c
he child r
hild r es
estrtraint syst
aint syst em wit
em with t
h the seat
he seat
belt
belt N No
ot tes on t
es on t he suit
he suitability of seats f
ability of seats f or att
or attac
aching belt-
hing belt-
secur
secur ed c
ed child r
hild r es
estrtraint syst
aint syst ems
ems
R
R ear seats (second seat ro
ear seats (second seat row)
w)
W
W eight cat
eight cat egor
egory 0: up t
y 0: up t o 10 kg
o 10 kg
LeT/right rear seat U, L
Centre rear seat 1
U, L
W
W eight cat
eight cat egor
egory 0+: up t
y 0+: up t o 13 k
o 13 kgg
LeT/right rear seat U, L
Centre rear seat 1
U, L
W
W eight cat
eight cat egor
egory I: 9 t
y I: 9 t o 18 kg
o 18 kg
LeT/right rear seat U, L
Centre rear seat 1
U, L72
72
Occupant saf
ety

W
W
eight cat
eight cat egor
egory II: 15 t
y II: 15 t o 25 k
o 25 kgg
LeT/ right rear seat U, L
Centre rear seat 1
U, L
W
W eight cat
eight cat egor
egory III: 22 t
y III: 22 t o 36 kg
o 36 kg
LeT/right rear seat U, L
Centre rear seat 1
U, L
1 Child restraint systems wi th a supporting brac ket are
not suitable forth is seat.
U Suitable forch ild restraint systems of the "Universal"
category in this we ight categor y.
L Suitable for semi-universal child restraint systems
acco rding totheta ble in "Recommended child restraint
systems", or if theve hicle and the seat are listed in the
ch ild restraint system manufacturer's vehicle model list. R
R
ear seats (t
ear seats (t hir
hird seat ro
d seat row)
w)
W
W eight cat
eight cat egor
egory 0: up t
y 0: up t o 10 kg
o 10 kg
LeT/right rear seat U, L W
W
eight cat
eight cat egor
egory 0+: up t
y 0+: up t o 13 k
o 13 kgg
LeT/right rear seat U, L
W
W eight cat
eight cat egor
egory I: 9 t
y I: 9 t o 18 kg
o 18 kg
LeT/right rear seat U, L
W
W eight cat
eight cat egor
egory II: 15 t
y II: 15 t o 25 k
o 25 kgg
LeT/right rear seat U, L
W
W eight cat
eight cat egor
egory III: 22 t
y III: 22 t o 36 kg
o 36 kg
LeT/right rear seat U, L
U Sui table forch ild restraint systems of the "Universal"
category in this we ight categor y.
L Suitable for semi-universal child restraint systems
acco rding totheta ble in "Recommended child restraint
systems", or if theve hicle and the seat are listed in the
ch ild restraint system manufacturer's vehicle model list. Mer
Mer
cedes-Ma
cedes-Ma ybac
ybach v
h vehicles wit
ehicles wit h a r
h a reclining r
eclining r ear
ear
seat
seat: :th e bottom and back of a forw ard-facing
ch ild restraint system must ma kefull contact wi th
th ere clining rear seat sitting sur face and seat backrest. The
child restraint system must not
to uch thero of. Adjust the seat backrest inclina-
tion accordingl y.Also obser vethech ild restraint
system manufactu rer's installation inst ructions.
N
No ot
tes on c
es on c hild r
hild res
estr
traint syst
aint syst ems on t
ems on t he fr
he front
ont
passeng
passeng er seat
er seat
R If it is absolutely necessary foryo uto /t a
ch ild restraint system tothe front passenger
seat, be sure toobser vethe information on
ch ild restraint systems on the front passenger
seat (/ page 77).
R Obser vethe speci/c inst ructions forth ere ar-
wa rd-facing and forw ard-facing child restraint
systems. If the front passenger seat is occu-
pied, ensure, bo thbefore and during the jour-
ne y,that the status of the front passenger air-
bag is cor rect forth e cur rent situation
(/ page 53).
Fr
Fr ont passeng
ont passeng er seat
er seat
W
W eight cat
eight cat egor
egory 0: up t
y 0: up t o 10 kg
o 10 kg
Fr ont passenger airbag enabled 1
X
Fr ont passenger airbag disabled 1, 2
U, L Occupant saf
ety
73
73

W
W
eight cat
eight cat egor
egory 0+: up t
y 0+: up t o 13 k
o 13 kgg
Fr ont passenger airbag enabled 1
X
Fr ont passenger airbag disabled 1, 2
U, L
W
W eight cat
eight cat egor
egory I: 9 t
y I: 9 t o 18 kg
o 18 kg
Fr ont passenger airbag enabled 1
UF
Fr ont passenger airbag disabled 1, 2
U, L
W
W eight cat
eight cat egor
egory II: 15 t
y II: 15 t o 25 k
o 25 kgg
Fr ont passenger airbag enabled 1
UF
Fr ont passenger airbag disabled 1, 2
U, L
W
W eight cat
eight cat egor
egory III: 22 t
y III: 22 t o 36 kg
o 36 kg
Fr ont passenger airbag enabled 1
UF
Fr ont passenger airbag disabled 1, 2
U, L
1 Ad just the seat cushion inclination so that the front
edge of the seat cushion is in the highest position and
th ere ar edge of the seat cushion is in the lo west posi-
tion. 2 The
vehicle is equipped with automatic front
passenger airbag shuto.. The PASSENGER AIR BAG
OFF indica tor lamp must be lit.
X Not suitable forch ildren in this we ight categor y.
U Sui table forch ild restraint systems of the "Universal"
category in this we ight categor y.
L Suitable for semi-universal child restraint systems
acco rding totheta ble in "Recommended child restraint
systems", or if theve hicle and the seat are listed in the
ch ild restraint system manufacturer's vehicle model list.
UF Suitable forfo rw ard-facing child restraint systems of
th e "Universal" category in this we ight categor y. Secur
Secur
ing t
ing the c
he child r
hild r es
estrtraint syst
aint syst em wit
em with t
h t he seat
he seat
belt on t
belt on t he r
he rear seat
ear seat &
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 74
74
Occupant saf
ety

electrically) or
there d lock veri/cation indicator
will be visible (folding there ar seat back mechani-
cally).
When
When /tting /tting a belt-secur
a belt-secur ed c
ed child r
hild r es
estr
traint syst
aint syst em,
em,
observ
observ e t
e the f
he f ollo
ollowing:
wing:
O Always comply with the manufacturer's
installation and operating inst ructions forthe
ch ild restraint system used.
O For a child restraint system in the "Universal"
or "Semi-Universal" categor y,make sure that
th e system has been appr ovedfo rth eve hicle
seat.
Obser vethe no tes under "Suitability of seats
fo r attaching belt-secured child restraint sys-
te ms" (/ page 72).
O When using a w
When using a w eight cat eight categor
egory 0/0+ bab
y 0/0+ bab y
y
car seat and a w
car seat and a w eight cat
eight categor
egory I r
y I rearw
earw ar
ard-
d-
f
f acing c
acing c hild r
hild res
estrtraint syst
aint syst em on a r
em 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 w
When using a w eight cat
eight categor
egory I f
y I forw
orw ar
ard-
d-
f
f acing c
acing c hild r
hild res
estr
traint sy st
aint syst em:
em:remo vethe
head restraint from there specti veseat, if
possible. 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.
O The backrest of thefo rw ard-facing child
re straint system must, as far as possible, be
re sting on the seat backrest of there ar seat.
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 category II or III.
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. 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. #
Installth ech ild restraint system.
The entire base of thech ild restraint system
must al ways rest on the seat sur face of the
re ar seat. #
Always make sure that the shoulder belt strap
is cor rectly routed from the seat belt outlet of
th eve hicle tothe shoulder belt guide on the
ch ild restraint system.
The shoulder belt strap must be routed
fo rw ard from the seat belt outlet. Occupant saf
ety
75
75

N
N
o
ot
tes on v
es on v ehicles wit
ehicles wit hout aut
hout automatic fr
omatic fr ont
ont
passeng
passeng er airbag
er airbag shut
shuto.
o. St
icke r visible when the front passenger door is
open
Ve hicles without automatic front passen ger airbag
shuto. ha vea special stic ker a1xed tothe side of
th e cockpit on the front passenger side. Make sure
you obser vethefo llowing information:
R Never /t a rear wa rd-facing child restraint sys-
te m to the front passenger seat
R Always /t a rear wa rd-facing child restraint sys-
te m to a suitable rear seat
- Seats suitable for attaching belted child
re straint systems (/ page 72).
- Secure thech ild restraint system wi th the
seat belt on there ar seat (/ page 74).
R Notes on rear wa rd-facing and forw ard-facing
ch ild restraint systems on the front passenger
seat (/ page 76)
N
No ot
tes on r
es on r earw
earw ar
ard-f
d-f acing and f
acing and f orw
orwar
ard-f
d-f acing c
acing c hild
hild
r
r es
estr traint syst
aint syst ems on t
ems on t he fr
he front passeng
ont passeng er seat
er seat &
W
WARNING
ARNING Risk of injury or death when
using a rear wa rd-facing child restraint sys-
te m while the front passenger airbag is
enabled
If yo u secure a child in a rear wa rd-facing child
re straint system on the front passenger seat
and thePA SSENGER AIR BAG OFF indicator la
mp is o., the front passenger airbag can
deploy in theev ent of an accident.
The child could be struck bythe airbag. #
Always ensu rethat the front passenger
airbag is disabled. The PASSENGER AIR
BAG OFF indicator la mpmust be lit. #
NEVER use a rear wa rd-facing child
re straint system on a seat wi than ENA-
BLED FRONT AIR BAG. This can result in
th e DEATH of or SERIOUS INJURY tothe
CHILD. Obse
rveth e speci/c inst ructions forth ere ar-
wa rd-facing and forw ard-facing child restraint sys-
te ms (/ page 77). 76
76
Occupant saf
ety

Wa
rning notice on the front passenger sun visor
Alw ays obser vethe status of the front passenger
airbag on thePA SSENGER AIR BAG OFF indicator
la mp:
R If it is absolu tely necessary to/t a child
re straint system tothe front passenger seat,
alw ays obser vethe information on automatic
front passenger airbag shuto. (/ page 51).
R When using a rear wa rd-facing child restraint
system on the front passenger seat, the front
passenger airbag must alw ays be disabled.
This is only the case if thePA SSENGER AIR
BAG OFF indicator la mpis lit continuously
(/ page 53). R
Ifth ePA SSENGER AIR BAG OFF indicator
la mp is o., the front passenger airbag is ena-
bled. The front passenger airbag may deploy
during an accident.
Secur
Secur ing t ing the c
he child r
hild r es
estrtraint syst
aint syst em wit
em with t
h the seat
he seat
belt on t
belt on t he fr
he front passeng
ont passeng er seat
er seat
When /tting a belt-secured child restraint system
on the front passenger seat, alw ays obser vethe
fo llowing:
O Obser vethe no tes on rear wa rd-facing and
fo rw ard-facing child restraint systems on the
front passenger seat (/ page 76).
O Obser vethech ild restraint system manufac-
tu re r's installation and operating inst ructions.
O For a child restraint system in the "Universal"
or "Semi-Universal" categor y,make sure that
th e system has been appr ovedfo rth eve hicle
seat.
Obser vethe no tes under "Suitability of seats
fo r attaching belt-secured child restraint sys-
te ms" (/ page 72). O
When using a forw ard-facing child restraint
system in weight category I: remo vethe head
re straint from there specti veseat, if possible.
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.
O The backrest of thefo rw ard-facing child
re straint system must, as far as possible, be
re sting on the seat backrest of the front
passenger seat.
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 category II or III.
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. Occupant saf
ety
77 77