2021 MERCEDES-BENZ GLS SUV wheel

When
theve hicle is switched on, there ar seat
belt status displ ayinforms youfo r a cer tain
amount of time which rear seat belt is not fas-
te ned.
Yo u can immediately dismiss there ar seat belt
status displ ayusing the back button on the leT-
hand side of the steering wheel (/ page 310).
If a vehicle occupant unfastens a seat belt in the
re ar while theve hicle is motion, there ar seat belt
status displ ayappears again.
In addition, a warning tone may sound. In this
case, there ar seat belt status displ aycannot be
hidden using the back button on the leT-hand side
of the steering wheel. Airbags
Airbags
Ov
Ov
er
ervie
vie w of airbags
w of airbags 1
Driver's knee airbag
2 Driver's airbag
3 Front passenger airbag
4 Window airbag
5 Side airbag
The installation location of an airbag is identi/ed
by the AIRB AGsymbol.
When enabled, an airbag can pr ovide additional
pr otection forth ere specti ve vehicle occupant. Po
tential pr otection pr ovided byeach airbag:
R Knee airbag: thigh, knee and lo wer leg
R Driver's airbag, front passenger airbag: head
and ribcage
R Window airbag: head
R Side airbag: ribcage and pelvis &
W
WARNING
ARNING Risk of inju ryor death if the co-
driver airbag is enabled
If th e co-driver airbag is enabled, a child on
th e co-driver seat may be struck bythe co-
driver airbag during an accident.
NEVER use a rear wa rd-facing child restraint
system on a seat wi than ENABLED FRONT
AIR BAG; DEATH or SERIOUS INJURY tothe
CHILD ca n occur. When /tting a
child restraint system tothe front
passenger seat, obser vetheve hicle-speci/c infor-
mation (/ page 77). Also, alw ays obser vethe
no tes on rear wa rd-facing or forw ard-facing child
re straint systems on the front passenger seat
(/ page 76). 48 48
Occupant saf
ety

passenger seat should be mo
ved as far back
as possible.
When doing so, alw ays obser vethe informa-
tion on the cor rect driver's seat position
(/ page 108).
R Only hold the steering wheel bythe steering
wheel rim. This allo ws the airbag tobe fully
deplo yed.
R Always lean against the seat backrest when
th eve hicle is in motion. Do not lean forw ards
or against the door or side windo w.You may
ot herwise be in the deployment area of the
airbags.
R The occupants must alw ayske ep their feet on
th e 0oor. Do not put your feet on the cockpit,
fo rex ample. Your feet may otherwise be in the
deployment area of the airbag.
R Ifch ildren are tr avelling in theve hicle, obser ve
th e additional no tes (/ page 58).
R Always st owand secure objects cor rectl y. Objects in
theve hicle interior may pr event an air-
bag from functioning cor rectl y.Each vehicle occu-
pant must alw ays make sure of thefo llowing in
particular:
R There are no people, animals or objects
between theve hicle occupants and an airbag.
R There are no objects between the seat, door
and door pillar (B-pillar).
R There are no hard objects, e.g. coat hangers,
hanging on thegr ab handles or coat hooks.
R There are no accessories, such as mobile navi-
gation devices, mobile phones or cup holders,
within the deployment area of an airbag, e.g.
on the cockpit, on the door, on the side win-
dow or on the side trim.
In addition, no connecting cables, tensioning
straps or retaining straps must be routed or
attached totheve hicle within the deployment
area of an airbag. Alw ays comply with the
accessory manu facturer's ins tallation inst ruc-
tions and, in particular, the no tes on suitable
places for installation. R
There are no heavy, sharp-edged or fragile
objects in the poc kets of your clo thing. Store
such objects in a suitable place. Limit Limit
ations of t
ations of t he prot
he pr otection pro
ection pro vided b
vided by airbags
y airbags &
W
WARNING
ARNING Risk of injury due tomodi/ca-
tions tothe co ver of an airbag
If yo u modify the co ver of an airbag or a1x
objects such as stic kers to it,the airbag may
no longer function cor rectl y. #
Never modify the co ver of an airbag and
do not a1x objects toit. The installation location of an airbag is identi/ed
by
the AIRB AGsymbol (/ page 48).
Objects in the deployment area of an airbag may
pr ev ent the airbag from functioning cor rectl y. 50 50
Occupant saf
ety

#
Replace theke y batter y,if necessary
(/ page 83). #
Use there placement key. #
Use the emer gency keyto lock or unlock
(/ page 88). #
Have theve hicle and keych ecked at a quali-
/ed specialist workshop.
Ther
Ther e is int
e is int erf
erfer
erence fr
ence fr om a pow
om a pow er
erful r
ful r adio signal
adio signal
sour
sour ce
ce
Po ssible causes if the function of KEYLESS-GO is
impaired:
R high voltage po wer lines
R mobile phones
R electronic devices (no tebooks, tablets)
R shielding due tome tal objects or induction
loops for electrical gate systems or automatic
bar riers #
Make sure that there is su1cient distance
between theke y and the po tential sou rce of
inter fere nce. A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating t
ating the aut
he automatic loc
omatic loc king f
king fea-
ea-
ture
ture The
vehicle is loc ked automatically when theve hi-
cle is switched on and the wheels are turning
fa ster than walking pace. #
T
To activ
o activ at
ate:
e: press and hold button 2for
appr oximately /ve seconds until an acoustic
signal sounds. #
T
To deactiv
o deactiv at
ate:
e: press and hold button 1for
appr oximately /ve seconds until an acoustic
signal sounds.
In thefo llowing situations, there is a danger of
being loc ked out when the function is activated:
R while theve hicle is being tow- star ted or
pushed
R ifth eve hicle is being tested on a roller dyna-
mome ter P
P
o
ow
w er closing function
er closing function &
W
WARNING
ARNING Risk of becoming trapped when
th e doors close automatically
Body parts or objects can become trapped,
causing injuries. #
Ensure that no body parts or objects are
in the closing area. #
Automatic closing of the doors can be
cancelled bypulling the outer or inner
door handle. Opening and closing
87
87

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

ro
w of seats and hold it down until there ar
seat audib lyengages.
The rear seat will tip down wards and mo ve
bac k.The seat backrests and head restraint
will then mo veinto a suitable seat position
automaticall y.
If a seat on the second row of seats is not
engaged, this will be shown on the multifunc-
tion display on the inst rument cluster. #
Tointer rupt thefo lding procedure before
engagement, let go of button 1.Tocontinue
th efo lding procedure, press and hold button
1 again.
F
F olding t
olding t he r
he rear seats f
ear seats f orw
orwar
ards mec
ds mec hanically
hanically
(emerg
(emerg ency r
ency release)
elease)
Yo u can also fold there ar seats forw ards mechan-
ically using release loops. The release loops are
located on the outer sides and rear sides of the
seats on the second row of seats. Re
lease loops on the second row of seats Re
lease loops on there ar sides of the second row of
seats #
Pull one of release loops 1. #
Foldthe seat backrest forw ards. #
Before commencing your journe y,make sure
th at the seat backrest and there ar ben chseat
are engaged. Head r
Head r
es
estr
traints
aints A
A
djus
djusting t ting t he fr
he front seat head r
ont seat head r es
estr
traints manually
aints manually &
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. 118
118
Seats and st
owing

Se
Se
tting aut
tting aut omatic seat adjus
omatic seat adjustment tment &
W
W ARNING
ARNING Risk of becoming trapped du r-
ing adjustment of the driver's seat aTer
calling up a driver pro/le
Selecting a user pro/le may trigger an adjust-
ment of the driver's seat tothe position sa ved
under the user pro/le. You or other vehicle
occupants could be injured in the process. #
Make sure that when the position of the
driver's seat is being adjus ted via the
multimedia system, no people or body
parts are in the seat's range of mo ve-
ment.
If th ere is a risk of someone becoming trap-
ped, stop the adjustment process immedi-
atel y: #
a)Tapth ewa rning message onthe
media displa y.
or #
b) Press a memory function position but-
ton or a seat adjustment switch on the
driver's door.
The adjustment process will be stopped. R R
eq
eq uir
uir ements:
ements:
R Adapting the driver's seat and steering wheel
position tobody size: automatic seat adjust-
ment has been switched on.
Multimedia system: 4 © 5
Settings 5
Vehicle
5 Automatic seat adjustment
Switc
Switc hing aut
hing aut omatic seat adjus
omatic seat adjus tment
tmenton/o.
on/o.
When the active user pro/le is changed while the
ve hicle is stationar y,the driver's seat, steering
wheel, outside mir rors and seat contour will auto-
matically be adap tedto the driver. #
Select OnorOff.
% This setting is available only for individual user
pro/les. Forth e guest pro/le, automatic seat
adjustment cannot be switched on or o.. A
A djus
djus ting dr
ting dr iv
iver's seat and st
er's seat and st eer
eer ing wheel position
ing wheel position
t
t o body size
o body size
The vehicle calculates a suitable driver's seat and
steering wheel position on the basis of the driver's
body size and sets this directl y. #
T To se o se t t
t the unit of measur
he unit of measur ement
ement: :select cmor
ft/in. #
Set the size using the scale. #
Select Start positioning .
The driver's seat and steering wheel position
is adjusted tothe body size that has been set.
% Ifth e driver's seat and steering wheel position
calculated bytheve hicle is not practical or
comfor table, it can be manually changed at
any time via the buttons.
The exterior mir rors are not set via this func-
tion. Instead, they have tobe set manually via
th e switches.
% You can also con/gure these settings via the
Mercedes me por talfo ryo ur user pro/le. By
synchronising the pro/les in theve hicle and
th e Mercedes me connect pro/les, you can
car ryover these settings foryo ur vehicle. Seats and st
owing
123 123

Se
Se
tting t
tting t he easy entr
he easy entr y and e
y and exit f
xit feature
eature #
Select Steer. wheel and seat ,Steering wheel
only orOff.
% Ifyo u use an individual user pro/le and ha ve
set your body size, this information is car ried
ove rfo rth e easy entry and exitfeature. This
will cause the driver's seat and steering wheel
to mo veinto the cor rect position automati-
cally . Ov
Ov
er
ervie
vie w of r
w of r elax
elaxation pr
ation pr ogr
ogrammes
ammes R
Hot Relaxing back Combination of heat and
massage. It starts bymassaging the bac k.In
addition, warm pressure points become
noticeable, starting in the pelvic area.
R Hot Relaxing shoulder Combination of heat
and massage . It startsbymassaging the
shoulde rs. In addition, warm pressure points
become noticeable, starting in the pelvic area.
R Activating Massage Activating massage with
upward-moving massage waves.
R Classic Massage Relaxing back massage. R
Wave Massage Regenerating massage via
massage waves across the back and in the
seat cushion.
R Mobilizing Massage Mobilising massage with
upward-moving massage waves. Can promo te
deeper respiration and hence impr ovecircula-
tion and blood pressure.
R Active Workout backrest andActive Workout
cushion These prog rammes requ ire your
cooperation. Alternating between tensing and
re leasing helps toimpro veblood 0ow toyour
muscles. Press against a pressure point as
soon as youfe el it. Selecting t
Selecting t he massag
he massag e pr e progr
ogramme f
amme f or t
or the fr
he fr ont
ont
seats
seats Multimedia system:
4 © 5
Comfort 5
Massage #
Select a massage programme (/ page 124). #
Start the prog ram forth e desired seat ;. #
T
T o se
o se t t
t the massag
he massag e int
e intensity
ensity : switc
: switc h
hHigh
intensity on or o. . %
Forth ere ar seats, the massage programmes
can be selected on thefo llowing devices (if
av ailable):
R Onthere ar displ ays
The selection can be made forth ere ar
seats on the second and third rows of
seats.
R Onthe MBUX rear tablet
The selection is made in the same way as
on there ar displ aysfo rth ere ar seats on
th e second row of seats. R
R
ese
ese tting seat se
tting seat se ttings
ttings Multimedia system:
4 © 5
Comfort 5
Seat comfort #
Select Îforth e desired seat. #
Con/ rmthe prom pt. 124
124
Seats and st
owing