airbag MERCEDES-BENZ GLS SUV 2021 Owner's Manual

O
Thechild restraint system must not be put
under strain bythe head restraint. Adjust the
head restraints as appropria te.
O Never place objects (e.g. cushions) under or
behind thech ild restraint system. &
W
WARNING
ARNING Risk of injur y or death due to
objects between the seat sur face and the
ch ild restraint system
Objects between the seat sur face and the
ch ild restraint system could a.ect the function
of the automatic front passenger airbag shut-
o.. #
Do not place any objects between the
seat sur face and thech ild restraint sys-
te m. #
Always make sure that thech ild restraint
system is co rrectly /t ted. #
Set the front passenger seat as far back as
possible and mo vethe seat into the highest
position if possible. #
Fully retract the seat cushion length adjust-
ment. #
Adjust the seat cushion inclination so that the
front ed geofthe 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 tothe most vertical
position possible. #
Install thech ild restraint system.
The entire base of thech ild restraint system
must al ways rest on the sitting sur face of the
front passenger 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 for-
wa rds and down wards from the seat belt out-
let. #
If necessar y,adjust the seat belt outlet and
th e front passenger seat accordingl y. Child safe
Child safe
ty locks
ty loc ks A
A
ctiv
ctiv ating or deactiv
ating or deactiv ating t
ating the c
he child safe
hild safe ty loc
ty lock f
k for
or
t
t he r
he r ear doors
ear doors &
W WARNING
ARNING Risk of accident and injury due
to leaving children unattended in theve hi-
cle
If ch ildren are leT unattended in theve hicle,
th ey could, in particular:
R open doors, thereby endangering other
persons or road users.
R get out and be struck byoncoming tra1c.
R operate vehicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion by,fo rex ample:
R releasing the parking brake.
R changing the transmission position.
R starting theve hicle. #
Never lea vechildren unattended in the
ve hicle. 78 78
Occupant saf
ety

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

Do not inter
change the head restraints of the
front and rear seats. Otherwise, you will not be
able toadjust the height and angle of the head
re straints co rrectl y.
Ad just the head restraint fore -and-aT position so
th at it is as close as possible tothe back of your
head. &
W
W ARNING
ARNING Risk of injury or death due to
incor rect seat position
The seat belt will not o.er the intended le vel
of pr otection if you ha venot mo vedth e seat
backrest toan almost vertical position.
In particular, you may slip under the seatbelt
and injure yourself. #
Adjust the seat proper lybefore begin-
ning your journe y. #
Always ensu rethat the seat backrest is
in an almost vertical position and that
th e shoulder section of your seat belt is
ro uted across the centre of your shoul-
der. &
W
WARNING
ARNING Risk of injury due toexcessive
st ra in on thegr ab handle
If yo u apply your full body weight tothegr ab
handle or pull it abruptl y,thegr ab handle may
be damaged or become loose from its anchor-
age. #
Use thegr ab handles only tostabilise
th e seating position or toassist in get-
ting in and out of the seat. &
W
WARNING
ARNING Risk of injury or death due to
objects under the co-driver seat
Objects trapped under the co-driver seat can
inter fere with the function of the automatic
co-driver airbag shuto. or damage the system. #
Do not store any objects under the co-
driver seat. #
When the co-driver seat is occupied,
make sure that no objects are trapped
under the co-driver seat. 1
Head restraint height
2 Seat ba ckrest inclination
3 Seat height
4 Seat cushion length
5 Seat cushion inclination
6 Seat fore -and-aT position #
Save the settings with the memory function
(/ page 131). 110
110
Seats and st
owing

A
A
djus
djus ting t
ting t he fr
he front passeng
ont passeng er seat electr
er seat electr ically
ically
fr
fr om t
om t he dr
he dr iv
iver's seat
er's seat &
W
W ARNING
ARNING Risk of inju ryor death due to
th e front seat being positioned too close
to the cockpit
The front airbags can also injure the occu-
pants in the front of theve hicle. #
Always adjust the front seats so they are
as farawa y as possible from the front
airbags. #
In addition, obser vethe no tes on cor rect
seat adjustment. R
R
eq
eq uir
uir ements:
ements:
R The po wer supply is switched on. Yo
u can call up thefo llowing functions forthe
front passenger seat:
R Seat adjustment
R Seat heating
R Seat ventilation
R Memo ryfunction #
T
To select t
o select t he fr
he front passeng
ont passeng er seat:
er seat:press but-
to n1.
When the indicator lamp lights up, the front
passenger seat is selected. #
Adjust the front passenger seat using the but-
to ns on the driver's side door operating unit. #
T
To select t
o select t he dr
he driv
iver's seat:
er's seat: press button 1
again.
When the indicator lamp goes out, the driver's
seat has been selected. Seats and st
owing
111 111

#
Close the loc kable st owage spaces
before starting a jou rney. #
Stow and secure objects that are heavy,
hard, poin ted, sharp-edged, fragile or too
lar ge inthe load compartment. &
W
WARNING
ARNING Risk of accident from objects in
th e driver's foot we ll and front-passenger
fo ot we ll
Objects in the driver's foot we ll and front-
passenger foot we ll may impede pedal tr avel or
block a depressed pedal.
This jeopardises the operating and road saf ety
of theve hicle. #
Stow all objects in theve hicle securely
so that they cannot getinto the driver's
fo ot we ll or front-passenger foot we ll. #
Always /t the 0oor mats securely and as
prescribed in order toensure that there
is alw ays su1cient clearance forthe
pedals. #
Do not use loose 0oor mats and do not
lay multiple 0oor mats on top of one
ano ther. V V
ehicles wit
ehicles wit h aut
h automatic fr
omatic fr ont passeng
ont passeng er airbag
er airbag
shut
shut o.:
o.:objects trapped under the front
passenger seat may inter fere with the function of
th e automatic front passenger airbag shuto. or
damage the system. Please obser vethe no tes on
th e function of the automatic front passenger air-
bag shuto. (/ page 51). &
W
WARNING
ARNING ‑ Risk of accident or injury
when using the cup holder while theve hi-
cle is in motion
The cup holder cann othold a container secure
while theve hicle is in motion.
If yo u use a cup holder while theve hicle is in
motion, the container may be 0ung around
and liquids could be spilled. The vehicle occu-
pants may come into contact with the liquid
and if it is hot, they could be scalded. Yo u
could be distracted from tra1c conditions and
yo u may lose control of theve hicle. #
Only use the cup holder when theve hicle
is stationar y. #
Only use the cup holder for containers of
th eright size. #
Always close the container, particular lyif
th e liquid is hot. *
N
NOOTE
TE Damage tothe cup holder When
there ar armrest is folded back the cup
holder could become damaged. #
Only fold there ar armrest back when the
cup holder is closed. *
N
NOOTE
TE Damage tothere ar armrest due to
body weight When
folded out, there ar armrest can be
damaged bybody weight. #
Do not sit or support yourself on there ar
seat armrest. 136
136
Seats and st
owing

The hazard
warning lights will switch on automati-
cally if:
R the airbag has been deplo yed.
R theve hicle is heavily braked from a speed of
more than 70 km/h toa standstill.
When you pull away again, the hazard warning
light system will switch o. automatically at
appr oximately 10 km/h. You can also switch o.
th e hazard warning light system using button 1.
When the turn signal indicator is activated, the
hazard warning lights will be inter rupted. Int
Int
ellig
ellig ent Light Syst
ent Light Syst em
em Int
Int
ellig
ellig ent Light Syst
ent Light Syst em function
em function
The MULTIBEAM LED headlamps adapt tothe
driving and weather situation and pr ovide exten-
ded functions for impr oved illumination of the
ro ad.
The system comprises thefo llowing functions:
R Active headlamps (/ page 163)
R Cornering light (/ page 163)
R Motorw ay mode (/ page 164) R
Enhanced fog light function (/ page 164)
R O.-road light (/ page 164)
The system is active only when it is dar k.
A
A ctiv
ctiv e headlam
e headlamps function ps function R
The headlamps follow the steering mo ve-
ments.
R Releva nt areas are better illumina ted during a
journe y.
The functions are active when the low beam is
switched on.
Depending on theve hicle's equipment, the course
of the lane in which you are driving will also be ev
aluated and the active headlamps function will
adjust the light in advance.
Cor
Cor ner nering light function
ing light function The cornering light impr
ovesth e illumination of
th e car riag ewa yove r a wide angle in the turning
direction, enabling better visibility on tight bends,
fo rex ample. It can be activated only when the low
beam is switched on.
The function is active under thefo llowing condi-
tions:
R Atspeeds below 40 km/h when the turn sig-
nal light is switched on or the steering wheel
is turned Light and sight
163 163

th
e emer gency call and faster transfer of the
accident data.
Measu resfo rre scue, reco very or towing away
can then be initiated in quickl y.
R With a Mercedes-Benz emer gency call, the
accident data is only transfer redto the public
coordination centre with the appr oval of the
cus tomer.
In theev ent of an automatically triggered
emer gency call in which there is no voice con-
ta ct, the accident data is transmitted immedi-
ately tothe public emer gency call centre.
R Should the Mercedes-Benz emer gency call
centre not be available, the 112 emer gency
call is ca rried out automaticall y.Ov Ov
er
ervie
vie w of emerg
w of emerg ency call syst
ency call syst ems
ems Bo
th th e Mercedes-Benz emer gency call system
as well as the 112 emer gency call system (EU
eCall) can help toreduce the time between an
accident and the ar riva l of emer gency services at
th e site of the accident. They help locate an acci-
dent site in places that are di1cult toaccess. Bo
th emer gency call systems can initia tean emer-
ge ncy call automatically (/ page 351) or man-
ual ly ( / page 352).
Only make emer gency calls if you or others are in
need of rescue. Do not make an emer gency call in
th eev ent of a breakdown or a similar situation.
Messag
Messag es on t
es on the display
he display
The following message s appear inthe display of
bo th emer gency call systems:
R SOS NOT READY: theve hicle is not switched
on or the emer gency call system is malfunc-
tioning. This does not necessarily indicate
comple tefailure of the emer gency call system.
Eme rgency calls call still be transmitted.
The display only refers to theve hicle and does
not take account of theav ailability of mobile
phone networ ksand the Mercedes-Benz emer-
ge ncy call centre.
The functional readiness of the emer gency call
system on theve hicle can be seen when the
SOS NOT READY displaydisappears once the
ve hicle is switched on. R
G: The icon appears in the display during
an active emer gency call.
% Ifth ere is a malfunction in the emer gency call
system (e.g. a fault with the speaker, micro-
phone, airbag, SOS button), a cor responding
message appears on the inst rument displa y. T T
r
r igg
igg er
ering an aut
ing an aut omatic emerg
omatic emerg ency call
ency call R
R
eq
eq uir
uir ements:
ements:
R The vehicle is switched on.
R The star ter battery is su1ciently charge d.
Bo th th e Mercedes-Benz emer gency call system
as well as the 112 emer gency call system (EU
eCall) automatically initia tean emer gency call
aTer:
R Activation of there straint systems su chas air-
bags or seat belt tensioners aTer an accident
The eme rgency call has been made:
R Avo ice connection is established with the
emer gency call centre. MBUX multimedia system
351
351

N
N
o
ot
tes on car
es on car e of t
e of the int
he int er
erior
ior &
W
WARNING
ARNING Risk of injury from plastic parts
breaking o. aTer the use of sol vent-based
ca re products
Care and cleaning products containing sol-
ve nts can cause sur faces in the cockpit to
become porous. When the airbags are
deplo yed, plastic parts may break away. #
Do not use any care or cleaning products
containing sol vents toclean the cockpit. &
W WARNING
ARNING Risk of injury or fatal injuries
from bleached seat belts
Bleaching or dyeing seat belts can se verely
we aken them.
This can, forex ample, cause seat belts to tear
or fail in an accident. #
Never bleach or dye seat belts. To
avo id damage totheve hicle, obser vethefo l-
lowing no tes on cleaning and care: Seat belts
Seat belts
R Clean with luk ewarmand soapy water.
R Do not use chemical cleaning agents.
R Do not dry byheating them toove r 80°C or
ex posing them todirect sunlight.
Display
Display
R Switch o. the display and let it cool down.
R Clean the sur face carefully with a micro/bre
clo thand a suitable displ aycare product (TFT-
LC D).
R Do not use any other agents.
Head-up displ ay
Head-up display
R Clean with a soT, non-static, lint-free clo th.
R Do not use cleaning agents.
Plas
Plastic tr tic tr im
im
R Clean with a damp micro/bre clo th.
R For heavy soiling: Use a cleaner recommen-
ded for Mercedes-Benz.
R Do not attach stic kers, /lms or similar materi-
als. R
Do not allow cosmetics, insect repellent or
sun cream tocome in contact with the plastic
trim.
R
R eal w
eal w ood and tr
ood and tr im elements
im elements
R Clean with a micro/bre clo th.
R Blackpiano-lacquer look: Clean with a damp
clo thand soapy water.
R For heavy soiling: Use a cleaner recommen-
ded for Mercedes-Benz.
R Do not use sol vent-based cleaning agents, pol-
ishes or waxes.
R
R oof lining
oof lining
R Clean with a brush or dry shampoo.
Car
Car pet
pet
R Use a carpet and textile cleaning agent recom-
mended for Mercedes-Benz.
St
St eer
eer ing wheel made of g
ing wheel made of g enuine leat
enuine leather or DINA-
her or DINA-
MICA
MICA
* NO
NOTE
TEDamage caused bywrong cleaners #
Do not use sol vent-based cleaning
agents such as tarre mo ver or wheel 378
378
Maintenance and care

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Front-passenger airbag dis-
abled See Owner's Manual *T
he front passen ger airbag has been disabled even though an adult or a person of adult build is on the front passenger
seat. If additional forc es are applied tothe seat, thewe ight the system de tects may be too lo w. &
W WARNI NG
ARNI NG‑ Risk of injury or evenfata l injury when the front passenger airbag is disabled
If th e front passenger airbag is disabled, It will not be deplo yed in theev ent of an accident and cannot per form its
intended pr otective function.
A person in the front passenger seat could then, forex ample, come into contact with theve hicle interior, especially
if th e person is sitting too close tothe dashboard. #
Beawa reofthe status of the front passenger airbag bo thbefore and during the journe y. #
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.
Front-passenger airbag
enabled See Owner's Man-
ual *T
he front passen ger airbag will be enabled while theve hicle is in motion in thefo llowing situations:
R even when a child, a small adult or an object weighing less than the system weight thre shold is located on the front
passenger seat
R even when the front passenger seat is not occupied
The system may de tect objects or forc es that are adding tothewe ight applied tothe seat. 444 444
Display messages and
warning/indicator lamps