2021 MERCEDES-BENZ GLS SUV child restraint

N
N
o
ot
tes on t
es on t he corr
he corr ect dr
ect driv
iver's seat position
er's seat position &
W
WARNING
ARNING Risk of injury if vehicle settings
are adjusted while theve hicle is in motion
Yo u could lose control of theve hicle in partic-
ular in thefo llowing situations:
R Ifyo u adjust the driver's seat, the head
re straints, the steering wheel or the mir ror
while theve hicle is in motion.
R Ifyo ufa sten your seat belt while theve hi-
cle is in motion. #
Before starting the engine: adjust the
driver's seat, head restraints, stee ring
wheel and mir ror in particular and fasten
yo ur seat belt. Ensure
thefo llowing when adjusting steering
wheel 1, seat belt 2and driver's seat 3:
R You are sitting as farawa y from the driver's
airbag as possible, taking thefo llowing points
into consideration:
R You are sitting in an upright position
R Your thighs are slightly suppor tedby the seat
cushion R
Your legs are not fully extended and you can
depress the pedals proper ly
R The back of your head is suppor ted at eye
le ve lby the centre of the head restraint
R You can hold the steering wheel with your
arms slightly bent
R You can mo veyour legs freely
R You can see all the displa yson the inst rument
cluster clear ly
R You ha vea good overview of the tra1c condi-
tions
R Your seat belt sits snugly against your body
and passes across the centre of your shoulder
and across your hips in the pelvic area Seats
Seats
A
A
djus
djus ting t
ting t he fr
he front seat
ont seat &
W
WARNING
ARNING Risk of becoming trapped if the
seats are adjusted bychildren
Children could become trapped if they adjust
th e seats, particular lywhen unat tended. 108
108
Seats and st
owing

#
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. #
Never lea vechildren unattended in the
ve hicle. Yo
u can adjust the seats when theve hicle is
switched o.. &
W
W ARNING
ARNING Risk of becoming trapped dur-
ing seat adjustment
When you adjust a seat, you or other vehicle
occupants could become trapped, e.g. on the
seat guide rail. #
Make sure when adjusting a seat that no
one has any body parts in the sweep of
th e seat. Obser
vethe saf ety no tes on "Airbags" and "Chil-
dren in theve hicle". &
W
WARNING
ARNING Risk of accident due toadjust-
ing theve hicle settings while theve hicle is
in motion
Yo u could lose control of theve hicle in thefo l-
lowing situations in particular:
R ifyo u adjust the driver's seat, the head
re straint, the steering wheel or the mir ror
while theve hicle is in motion
R ifyo ufa sten your seat belt while theve hi-
cle is in motion #
Before starting theve hicle: in particular,
adjust the driver's seat, head restraint,
stee ring wheel and mir ror,and fasten
yo ur seat belt. &
W
WARNING
ARNING Risk of becoming trapped if the
seat height is adjusted carelessly
If yo u adjust the seat height carelessl y,yo u or
ot her vehicle occupants could be trapped and
th ereby injured. Children in particular could accidentally press
th
e electrical seat adjustment buttons and
become trapped. #
While moving the seats, make sure that
hands or other body parts do not get
under the le ver assembly ofthe seat
adjustment system. &
W WARNING
ARNING Risk of injury due tohead
re straints not being /tted or being adjus-
te d incor rectly
If head restraints ha venot been installed or
ha ve not been adjusted cor rectl y,there is an
increased risk of injury in the head and neck
area, e.g. in theeve nt of an accident or when
braking. #
Always drive with the head restraints /t-
te d. #
Before driving o., make sure forev ery
ve hicle occupant that the centre of the
head restraint supports the back of the
head at about eye le vel. Seats and st
owing
109
109

Seat
ventilation in the cockpit Seat
ventilation in there ar #
Press button 1repeatedly until the desired
ve ntilation le vel is set.
Depending on theve ntilation le vel, up tothree
indicator lamps will light up. If all indicator
lamps are o., the seat ventilation is switched
o.. S
S
t
teer
eer ing wheel
ing wheel A
A
djus
djusting t ting t he st
he steer
eering wheel manual ly
ing wheel manually &
W
WARNING
ARNING Risk of accident due toadjust-
ing theve hicle settings while theve hicle is
in motion
Yo u could lose control of theve hicle in thefo l-
lowing situations in particular:
R ifyo u adjust the driver's seat, the head
re straint, the steering wheel or the mir ror
while theve hicle is in motion
R ifyo ufa sten your seat belt while theve hi-
cle is in motion #
Before starting theve hicle: in particular,
adjust the driver's seat, head restraint,
stee ring wheel and mir ror,and fasten
yo ur seat belt. &
W
WARNING
ARNING Risk of entrapment forch ildren
when adjusting the steering wheel
Children could injure themsel ves if they adjust
th e steering wheel. Seats and st
owing
127
127

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions &
W
WARNING
ARNING Risk of injury or death when using a child restraint system while the front passenger airbag is ena-
bled
If yo u secure a child in a child restraint system on the front passenger seat and the front passenger airbag is ena-
bled, the front passenger airbag can deploy in theev ent of an accident.
The child could be struck bythe airbag. #
Ensure, bo thbefore and during the journe y,that the status of the front passenger airbag is cor rect.
NEVER use a rear wa rdfacing child restraint on a seat pro tected byan ACTIVE AIRBAG in front of it, DEATH or
SERIOUS INJURY tothe CHILD can occur. #
Stop theve hicle immediately in accordance with the tra1c conditions. #
Make sure that no objects are trapped under the front passenger seat. #
Check the status of automatic front passenger airbag actuation (/ page 53).#
If necessar y,consult a quali/ed specialist workshop immediatel y.
PRE-SAFE inoperative See
Owner's Manual *
The PRE‑SAFE ®
functions are malfunctioning. #
Consult a quali/ed speciali stwo rkshop.
PRE-SAFE impulse side
inoperative See Owner's
Manual *
The PRE‑SAFE ®
Impulse Side system is malfunctioning or inoperative aTer having already been triggered. #
Consult a quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
445 445

Char
Char
ging
ging
No tes on wireless chargin g.................... 155
On-boa rdelectrical system battery
(12 V).................................................... 391
USB port................................................ 154
Child safe
Child safe ty lock
ty lock
Re ar door................................................ .78
Re ar side wind ows................................... 80
Child seat
Child seat
Appr oval catego ries.................................62
At tach ing (no tes)..................................... .62
Basic instructions.................................... 57
Fr ont passenger seat (no tes).................... 76
Fr ont passenger seat (without auto-
matic airbag shuto.)............................... .76
ISOFIX/i-Size (/tting).............................. .66
No tes on risks and danger s...................... 58
Re commendations forch ild restraint
systems................................................... 61
Seats suitable for belt-secured child
re straint systems..................................... 72
Seats suitable for i‑Size child restraint
systems................................................... 66
Seats suitable for ISOFIX child
re straint systems..................................... 64 Securing on
the co-driver seat..................77
Securing on there ar seat......................... 74
To pTe ther................................................ 70
Childr
Childr en en
Av oiding dangers in theve hicle............... .58
Basic instructions.................................... 57
Chock
Chock
Storage location..................................... 408
Chock
Chock see Chock
Cleaning
Cleaning see Care
Cleaning
Cleaning 0uid
0uid
see windscreen washer 0uid
Climat
Climat e contr
e contr ol
ol
Ac tivating/deactivating.......................... 179
Ac tivating/deactivating (rear operat-
ing unit)................................................. 179
Ac tivating/deactivating the A/C func-
tion (control panel)................................. 179
Ac tivating/deactivating the A/C func-
tion (MBUX multimedia system).............. 180
Ac tivating/deactivating the synchro-
nisation function (control panel).............1 81Ac
tivating/deactivating the synchro-
nisation function (MBUX multimedia
system).................................................. 181
Air-recirculation mode (with /ne parti-
cle pre/lter)...........................................1 81
Au tomatic control................................. .180
Au tomatically controlling (rear operat-
ing unit )................................................. 180
Calling up the air conditioning menu....... 179
Demisting the windscreen...................... 178
Demisting windo ws................................ 181
Fr ont air vents........................................ 186
Glo vebox air vent.................................. 188
Information on the windscreen heater.... 183
Inserting/re movingthe 0acon (fra-
gr ance system)...................................... 182
Ionisatio n.............................................. .182
No te...................................................... 178
Re ar air vents......................................... 187
Re ar operating uni t................................ 179
Re sidual heat......................................... 181
Re sidual heat (rear operating unit)......... .181
Setting (MBUX multimedia system)......... 179
Setting the air distribution...................... 178
Setting the air0ow.................................. 178
Setting the frag rance system.................. 182 524 524
Ind
ex

N
N
eutr
eutr al
al
Engaging................................................ 210
N
Noise oise
Wheels and tyres................................... 400
Wheels/tyres......................................... 400 O
O
Occupant safe
Occupant safe ty
ty
see Airbag
see Automatic co-driver airbag shuto.
see Automatic measures aTer an accident
see Child seat
see Pets in theve hicle
see Post-collision brake
see PRE-SAFE ®
(anticipa tory occu-
pant pr otection)
see PRE-SAFE ®
Impulse Side
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
see Restraint system
see Seat belt
O. -r
O.-r oad oadAssist
Assist
Setting................................................... 280
O. -r
O.-r oad
oaddr
driving
iving........................................... .198 O.-r
O.-r
oad
oaddr
driving
iving
see O.- road driving
O.-r
O.-r oad
oadESP
ESP®
®
(Electr
(Electr onicSt
onic Stability Pr
ability Pr o-
o-
gr
gr am)
am)
Switching on/o..................................... 234
O.-r
O.-r oad
oad light
light............................................... .164
O.r
O.r oad
oad Score
Score
Displaying.............................................. 208
Oil
Oil see Engine oil
On-boar
On-boar d com
d com put
puter
er
Displaying the service due dat e.............. 364
Head-up display menu............................ 313
Instrument display................................. 312
Menu overview.......................................3 10
Operating.............................................. 310
On-boar
On-boar d diagnos d diagnostics int tics interf
erface
ace
see Diagnostics connection
On-boar On-boar d electr d electrical syst
ical syst em batt
em batter
ery (12 V)
y (12 V)
Charging................................................ 391
Re placing.............................................. .392
St arting assis tance............................... .391 On-boar On-boar
d electr
d electronics
onics
Engine electronics................................. 420
No tes..................................................... 420
Tw o-w ayradios...................................... 420
on-demand f on-demand f eature
eature
Ac tivating................................................. 24
No tes...................................................... .24
Online ser
Online ser vices
vices
Data storag e............................................ 41
Online ser
Online ser vices
vices
see In-Car O1ce
Open-sour
Open-sour ce
cesoTw
soTw are
are.................................... 41
Opening t
Opening t he t
he tailg
ailgat
ate using y
e using y our f
our foot
oot
HANDS-FREE ACCESS............................. 93
Oper
Oper ating
ating 0uids
0uids
Ad Blue ®
................................................ .429
Ad ditives (fuel)....................................... 427
Brake 0uid............................................. 432
Coolant (engine).................................... 432
Engine oil............................................... 430
Fu el (diesel)........................................... 427
Fu el (petrol)........................................... 426
No tes..................................................... 425
windscreen washer 0uid........................ .433 Index
541 541