sunroof MERCEDES-BENZ GLS SUV 2021 Owners Manual

Symbols
Symbols
.......................................................... 5 5A
A
t a glance
t a glance ...................................................... 6 6
Co ckpit ........................................................... 6
Indicator and warning lamps .......................... 10
Overhead control panel ................................. 12
Door operating unit and seat adjustment .......14
Control settings in there ar passen ger
compartment ................................................ 16
Emer gencies and breakdowns ....................... 18 Digit Digit
al Owner's Manual
al Owner's Manual ................................. 20 20
Calling up the Digital Owner's Manual ............ 20 Gener
Gener
al not
al notes
es............................................... 22 22
Pr otection of the environment ....................... 22
Ta ke -back of end-of-life vehicles .................... 22
Mercedes-Benz Genuine Parts ........................ 23
Owner's Manual ............................................ 24
Mercedes me App ......................................... 24
Operating saf ety ............................................ 25
Declarations of con form ity and no tes on
driving in di.erent countries .......................... 26 Diagnostics connection ................................. 35
Quali/ed specialist
workshop ........................ 36
Ve hicle registration ....................................... 36
Cor rect use of theve hicle ............................. 37
Information on the REACH regulation ............. 37
No tesfo r persons with electronic medical
aids .............................................................. 37
Implied warranty .......................................... .38
QR code forre scue card .............................. .38
Data storage .................................................38
Copyright ...................................................... 41 Occupant safe Occupant safe
ty
ty ............................................ 42 42
Re straint system .......................................... .42
Seat belts .................................................... .44
Airbags ......................................................... 48
PRE-SAFE ®
system ........................................ 55
Au tomatic measures aTer an accident ........... 57
Safely transporting children in theve hicle ...... 57
No tes on pets in theve hicle .......................... 80 Opening and closing
Opening and closing
...................................... 81 81
Ke y .............................................................. .81
Doors ............................................................ 84 Ru
nning boa rds ............................................. 89
Load compartment ....................................... .90
Side windo ws................................................ 96
Sliding sunroof .............................................. 99
Ro ller sunblinds ...........................................1 04
Anti-theT pr otection ....................................1 05 Seats and sto Seats and sto
wing
wing....................................... 108 108
No tes on the cor rect driver's seat position .. 108
Seats ......................................................... .108
St eering wheel ............................................ 127
Easy entry and exitfeature .......................... 129
Memory function ......................................... 130
Memory function in there ar compartment .. 131
St owa geareas ............................................ 135
Cup holde rs................................................ 150
Soc kets ....................................................... 152
Coolb ox...................................................... 154
Wi reless charging of the mobile phone
and connection with theex terior aerial ........ 155
Fi tting/removing the 0oor mats ................... 158 Light and sight Light and sight
............................................ 160 160
Exterior lighting ........................................... 160 2
2
Contents

Ins
tead, they should use a rear seat.
R Ifth e front passenger seat is occupied by a
person of smaller stature (e.g. a teenager or
small adult), thePA SSENGER AIR BAG OFF
indicator la mpis either lit continuously or
re mains o., depending on the classi/cation.
- Ifth ePA SSENGER AIR BAG OFF indicator
la mp is o.: mo vethe front passenger seat
as far back as possible, or the person of
smaller stature should use a rear seat.
- Ifth ePA SSENGER AIR BAG OFF indicator
la mp is lit continuousl y:the person of
smaller stature should not use the front
passenger seat. &
W
WARNING
ARNING Risk of injury or death when
th ePA SSENGER AIR BAG OFF indicator
la mp is lit
If th ePA SSENGER AIR BAG OFF indicator
la mp remains lit aTer the self-test, the front
passenger airbag is disabled. If
th e front passenger seat is occupied, alw ays
ensure that:
R The classi/cation of the person in the front
passenger seat is cor rect and the front
passenger airbag is enabled or disabled in
accordance with the person in the front
passenger seat.
R The person is seated proper lywith a cor-
re ctly fastened seat belt.
R The front passenger seat has been mo ved
as far back as possible. Be sure
toalso obser vethefo llowing fur ther rela-
te d subjects:
R Child restraint system on the front passenger
seat (/ page 76)
R Suitable positioning of thech ild restraint sys-
te m (/ page 62) PRE-S PRE-S
AFE
AFE®
®
syst
syst em
em F
F
unction of PRE-S
unction of PRE-S AFE
AFE®
®
(anticipat
(anticipat or
ory occupant
y occupant
pr ot
pr otection)
ection) PRE-SAFE
®
is able todetect cer tain critical driv-
ing situations and implement pre-em ptive meas-
ures toprotect theve hicle occupants.
PRE-SAFE ®
can implement thefo llowing meas-
ures independently of each other:
R Tightening the seat belts on the driver's seat
and front passenger seat.
R Closing the side windo ws.
R V
V ehicles wit
ehicles wit h sliding sunr
h sliding sunr oof:
oof:closing the slid-
ing sunroof.
R V
Vehicles wit
ehicles wit h memor
h memory function:
y function: movingthe
front passenger seat toa more favo urable seat
position.
R V
Vehicles wit
ehicles wit h memor
h memory function in t
y function in t he r
he rear
ear
com
com par
partment:
tment: moving the outer rear seats to
a more favo urable seat position.
R V
Vehicles wit
ehicles wit h multicont
h multicont our seat
our seat:
:increasing the
air pressure in the seat side bolsters of the
seat backrest. Occupant saf
ety
55
55

R
ifth ere is a malfunction in the po wer supply
The side windo wswill be closed as far as theve n-
tilation position.
V
V ehicles wit ehicles wit h a sliding sunr
h a sliding sunroof: oof:the side windo ws
will be closed comple tely ifth e sliding sunroof is
open.
If th e side windo wsare obstructed during auto-
matic closing, the side window concerned will
open again slightl y.ATer an other automatic clos-
ing process, the automatic function forth e sun-
ro of and side windo wsmay be deactivated. The
automatic function will be active again the next
time theve hicle is star ted. Conv Conv
enience opening (v
enience opening (v entilating t
entilating the v
he vehicle
ehicle
bef
bef or
ore st
e st ar
arting a jour
ting a jour ne
ney)
y) &
W WARNING ARNING Risk of entrapment when open-
ing a side window
When opening a side windo w,parts of the
body could be dr awn in or become trapped
between the side window and window frame. #
When opening, make sure that nobody is
to uching the side windo w. #
Release the button immediately if some-
body becomes trapped. R
R
eq
eq uir
uir ements:
ements:
R The key is in the immediate vicinity of theve hi-
cle. #
Press and hold theÜ button on thekey.
The following functions are per form ed:
R The vehicle is unloc ked.
R The side windo wsare opened.
R The sliding sunroof is opened.
R The pano ramic sliding roof is opened.
R The seat ventilation of the driver's seat is
switched on.
% Ifth ero ller sunblind of the panoramic sliding
sunroof is closed, thero ller sunblind is
opened /rst.
% Ifth ero ller sunblinds of there ar doors are
closed, thero ller sunblinds are opened /r st. #
T
To int
o int err
errup
upt conv
t conv enience opening:
enience opening: release the
Ü button. #
T
To continue conv
o continue conv enience opening:
enience opening: press and
hold theÜ button again. Conv
Conv
enience closing (closing t
enience closing (closing t he v
he vehicle fr
ehicle fr om out-
om out-
side)
side) &
W
WARNING
ARNING Risk of entrapment due tonot
paying attention during con venience clos-
ing
When the con venience closing feature is oper-
ating, parts of the body could become trapped
in the closing area of the side window and the
sliding sunroof. #
When the con venience closing feature is
operating, moni torth e entire closing
process and make sure that no body
parts are in the closing area. R
R
eq
eq uir
uir ements:
ements:
R The key is in the immediate vicinity of theve hi-
cle. 98
98
Opening and closing

#
Press and hold theß button on thekey.
The following functions are per form ed:
R The vehicle is loc ked.
R The side windo wsare closed.
R The sliding sunroof is closed.
R The panoramic sliding roof is closed. #
T
To int
o int err
errup
upt conv
t conv enience closing:
enience closing: release the
ß button. #
T
To continue conv
o continue conv enience closing:
enience closing: press and
hold theß button again.
% Con venience closing also functions with KEY-
LESS-GO (/ page 86). R
R
esol
esol ving pr
ving pr oblems wit
oblems wit h t
h the side wind ows
he side wind ows &
W
W ARNI NG
ARNI NGRisk of becoming trapped or
fata lly injured if reve rsing pr otection is not
activated
If yo u close a side window again immediately
aTer it has been bloc ked, the side window will
close with increased or maximum forc e. The re
ve rsing function is then not active and body
parts may become trapped. #
Make sure that no parts of the body are
in the closing area. #
Tostop the closing process, release the
button or press the button again to
re open the side windo w. A side windo
A side windo
w canno
w cannot be closed and y
t be closed and y ou cannot
ou cannot
see t
see t he cause.
he cause. #
Che cktosee whe ther any objects are in the
wind owguide. #
Adjust the side windo ws.
A
A djus
djus ting t
ting t he side window
he side window s
s
If a side window is obstructed during closing and
re opens again immediatel y: #
Immediately aTer this, pull and hold the cor re-
sponding button again until the side window
has closed and hold the button for at least one
more second (re-adjustment).
The side window will be closed without the
automatic reve rsing function. If
th e side window is obstructed again and
re opens again immediatel y: #
Immediately aTer this, pull and hold the cor re-
sponding button again until the side window
has closed and hold the button for at least one
more second (follo w-up adjustment).
The side window will be closed without the
automatic reve rsing function.
The side window The side window s canno
s cannot be opened or closed
t be opened or closed
using t
using t he conv
he conv enience opening f
enience opening f eatur
eature.
e.
Po ssible causes:
R The key battery is weak or dischar ged. #
Check the battery using the indicator lamp
(/ page 81). #
Replace theke y batter y,if necessary
(/ page 83). Sliding sunr
Sliding sunr
oof
oof Opening and closing t
Opening and closing t
he sliding sunr
he sliding sunroof
oof %
The term "sliding sunroof" also refers to the
panorama sliding sunroof. Opening and closing
99
99

&
W
WARNI NG
ARNI NGRisk of becoming trapped when
th e sliding sunroof is being opened and
closed
Body parts may become trapped in thera nge
of mo vement. #
During opening and closing, make sure
th at no body parts are in thera nge of
mo vement. #
Release the button immediately if some-
body becomes trapped.
or #
Brie0y press the button in any direction
during automatic operation.
The opening or closing process will be
stopped. &
W WARNING ARNING Risk of entrapment if the slid-
ing sunroof is operated bychildren
Children operating the sliding sunroof could
get caught in the moving parts, particular lyif
unattended. #
Never lea vechildren unattended in the
ve hicle. #
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. &
W
WARNING
ARNING Risk of becoming trapped when
th ero ller sunblind is being opened and
closed
Body parts may become trapped between the
ro ller sunblind and frame or sliding roof. #
When opening or closing, make sure that
no body parts are in thero ller sunblind's
ra nge of mo vement. #
Release the button immediately if some-
body becomes trapped.
or #
Brie0y press the button in any direction
during automatic operation.
The opening or closing process will be
stopped. *
N NOOTE
TE Malfunction due tosnow and ice Sn
ow and ice may cause the sliding sunroof to
malfunction. #
Open the sliding sunroof only if it is free
of snow and ice. *
N
NOOTE
TE Damage caused byprotru ding
objects Objects
that pr otru de from the sliding sunroof
may damage the seals. #
Do not allow anything toprotru de from
th e sliding sunroof. *
N
NOOTE
TE Damage tothe sliding sunroof when
a ro of luggage rack is /t ted When a
roof luggage rack is /t ted, raising or
opening the sliding sunroof may be restric ted. #
Check whe ther the sliding sunroof can
be raised or opened when a roof luggage
ra ck is /t ted. 100
100
Opening and closing

#
If in doubt, do not raise or open the slid-
ing sunroof. 1
Raise
2 Open
3 Close/lo wer
Use the3 button tooperate the panorama
sliding sunroof and thero ller sunblind. The panorama sliding sunroof can be operated
only when
thero ller sunblind is open.
% The roller sunblind can be opened only when
th e panorama sliding sunroof is closed or in a
ra ised position. #
Check whe ther the sliding sunroof can be
ra ised or opened when a roof luggage rack is
/t ted. #
T To st
o st ar
art aut
t aut omatic oper
omatic oper ation:
ation:pressthe3
button be yond the point of resis tance or pull
and release it. #
T
To int
o int err
errup
upt aut
t aut omatic oper
omatic oper ation:
ation: brie0y press
th e3 button in any direction.
The opening/closing process will be stopped. #
T
To v
o v entilat
entilat e t
e the v
he v ehicle int
ehicle int er
erior
ior :
:ra ise the slid-
ing sunroof.
The roller sunblind will open slightl y.Oper Oper
ating t
ating t he r
he roller sunblind f
oller sunblind f or t
or the sliding sun-
he sliding sun-
r
r oof fr
oof fr om t
om the r
he rear passeng
ear passeng er com
er compar
partment
tment #
T
To open:
o open: press button 1. #
T
To close:
o close: pull button 1.
% When the sliding sunroof is open, it will close
/rst. Toclose thero ller sunblind, you must
pull button 1again. Opening and closing
101
101

If
yo u press or pull button 1beyond the point of
re sis tance, you will start automatic operation in
th e direction in question. You can stop automatic
operation bypushing or pulling the button again.
A
A ut
ut omatic rev
omatic rever
ersing function of t
sing function of t he sliding sun-
he sliding sun-
r
r oof
oof
If an obstacle obstructs the sliding sunroof during
th e closing process, the sliding sunroof will open
again automaticall y.The automatic reve rsing func-
tion is only an aid and is not a substitute foryo ur
attentiveness. #
During the closing process, make sure that no
body parts are in the closing area. &
W
WARNING
ARNING Risk of becoming trapped
despite there ve rsing function being active
In particular, there ve rsing function does not
re act:
R tosoT, light and thin objects, e.g. /n gers.
R towa rdsth e end of the closing procedure.
R during resetting. #
During the closing process, make sure
th at no body parts are in the closing
area. #
Release the button immediately if some-
body becomes trapped.
or #
Brie0y press the button in any direction
during automatic operation.
The closing process will be stopped. A A
ut
ut omatic rev
omatic rever
ersing function of t
sing function of t he r
he r oller sunblind
oller sunblind
If an obstacle obstructs thero ller sunblind during
th e closing process, thero ller sunblind will open
again automaticall y.The automatic reve rsing func-
tion is only an aid and is not a substitute foryo ur
attentiveness. #
When closing thero ller sunblind, make sure
th at no body parts are in thera nge of mo ve-
ment. &
W
WARNING
ARNING Risk of becoming trapped
despite reve rsing function
In particular, there ve rsing function does not
re act tosoT, light and thin objects, e.g. /n-
ge rs. #
When closing thero ller sunblind, make
sure that no body parts are in thera nge
of mo vement. #
Release the button immediately if some-
body becomes trapped.
or #
Brie0y press the button in any direction
during the automatic closing process.
The closing process will be stopped. A
A
ut
ut omatic functions of t
omatic functions of t he sliding sunr
he sliding sunroof
oof %
The term "sliding sunroof" also refers to the
panorama sliding sunroof.
The sliding sunroof will be closed automatically
when theve hicle has been switched o. in thefo l-
lowing situations:
R if it starts torain 102
102
Opening and closing

Ra
in is de tected byara in sensor on the wind-
screen.
R inextreme temp eratures
R aTer a cer tain time (depending on the on-
board electrical system voltage)
R ifth ere is a malfunction in the po wer supply
The sliding sunroof will rise at there ar in order to
continue ventilating theve hicle interior.
If th e sliding sunroof is obstructed during an auto-
matic closing procedure, thero of will be opened
again slightl y.The automatic function forth e slid-
ing sunroof and the side windo wswill then be
deactivated.
R
R ain-closing f ain-closing f eatur
eature when dr
e when dr iving
iving
V
V ehicles wit
ehicles wit h a panor
h a panorama sliding sunr
ama sliding sunr oof:
oof: if it
starts torain, thera ised sliding sunroof will auto-
matically be lo wered while theve hicle is in
motion.
A
A ut ut omatic low
omatic low er
ering function
ing function
V
V ehicles wit
ehicles wit h a panor
h a panorama sliding sunr
ama sliding sunr oof:
oof:ifthe
sliding sunroof is raised at there ar, it will auto-
matically be lo wered slightly at higher speeds. At
low speeds, it will be raised again automaticall y. &
W
WARNI NG
ARNI NGRisk of becoming trapped by
automatic lo wering of the sliding sunroof
At higher speeds, thera ised sliding sunroof
will automatically be lo wered slightly at the
re ar. #
Make sure that nobody reaches into the
sliding sunroof's range of mo vement
while theve hicle is in motion. #
If somebody becomes trapped, brie0y
push the sliding sunroof button forw ards
or backwards. %
By pushing or pulling the3 button, you
can inter rupt the automatic functions "Rain
closing function when driving" and "Automatic
lo we ring". R R
ectifying pr
ectifying pr oblems wit
oblems with t
h the sliding sunr
he sliding sunroof oof &
W
WARNI NG
ARNI NGRisk of becoming trapped or
fata l injuries when the sliding sunroof is
closed again
If th e sliding sunroof is closed again immedi-
ately aTer it has been bloc ked or reset, it will
close with increased forc e. #
Make sure that no parts of the body are
in the closing area. #
Release the button immediately if some-
body becomes trapped.
or #
Brie0y press the button in any direction
during the automatic closing process.
The closing process will be stopped. The sliding sunr
The sliding sunr
oof canno
oof cannot be closed and y
t be closed and y ou can-
ou can-
no
no t see t
t see t he cause.
he cause.
% The term "sliding sunroof" also refers to the
panorama sliding sunroof.
If th e sliding sunroof is obstructed during closing
and reopens again slightl y: Opening and closing
103
103

#
Immediately aTer automatic reve rsing, pull
and hold the3 button down again tothe
point of resis tance until the sliding sunroof is
closed.
The sliding sunroof will be closed with
increased forc e.
If th e sliding sunroof is obstructed again and
opens again slightl y:#
Repeat the pr evious step.
The sliding sunroof will be closed again with
increased forc e.
V
V ehicles wit ehicles wit hout a panor
hout a panor ama sliding sunr
ama sliding sunr oof: t
oof: the
he
sliding sunr
sliding sunr oof is no
oof is not oper
t operating smoot
ating smoot hly
hly.
. #
Reset the sliding sunroof.
R
R ese
ese tting t
tting t he sliding sunr
he sliding sunr oof
oof#
Push the3 button up tothe point of resist-
ance repeatedly until the sliding sunroof is
fully open. #
Press the3 button for ano ther second. #
Close the sliding sunroof. V
V
ehicles wit
ehicles wit h a panor
h a panorama sliding sunr
ama sliding sunr oof: t
oof: the slid-
he slid-
ing sunr
ing sunr oof or t
oof or the r
he roller sunblind is no
oller sunblind is no t oper
t operating
ating
smoot
smoot hly
hly.
. #
Reset the sliding sunroof and thero ller sun-
blind.
R
R ese
ese tting t
tting t he sliding sunr
he sliding sunr oof and t
oof and the r
he roller sun-
oller sun-
blind
blind #
Pull and hold the3 button little bylittle
until the sliding sunroof is fully closed. #
Pull and hold the3 button little bylittle
until thero ller sunblind is fully closed. #
Use automatic operation tofully open and
th en close the sliding sunroof. R
R
oller sunblinds
oller sunblinds Ext
Ext
ending or re
ending or retr
tracting t
acting t he r
he roller sunblinds on t
oller sunblinds on t he
he
r
r ear side windo ws
ear side windo ws &
W
WARNI NG
ARNI NGRisk of becoming trapped when
ex tending or retracting thero ller sunblind
Body parts could become trapped in the
sweep of thero ller sunblind when it is being
ex tended or retracted. #
Make sure that no body parts are in the
sweep of thero ller sunblind when it is
being extended or retracted. #
If someone becomes trapped, brie0y
press the button in the opposite direc-
tion.
The opening or closing process will
brie0y be stopped. The roller sunblind
will then return toits starting position. *
N NOOTE
TE Damage caused byobjects Objects can cause
thero ller sunblind tomal-
function. 104
104
Opening and closing

Pr
Pr
iming/deactiv
iming/deactiv atingtow
ating tow-awa
-a wa y pr ot
y pr otection
ection Multimedia system:
4 © 5
Settings 5
Quick access #
Prime or deactivate Tow-away protection.
To w- awa y protection is primed again in thefo llo w-
ing cases:
R The vehicle is unloc ked again.
R A door is opened.
R The vehicle is loc ked again.
% Ifqu ick access is una vailable, select theVehi-
cle submenu in theSettings main menu to
prime or deactivate tow- awa y protection. F
F
unction of int
unction of int er
erior pr ot
ior pr otection
ection When interior pr
otection is primed, a visual and
audible alarm is triggered if mo vement is de tected
in theve hicle interior.
Interior pr otection is primed automatically aTer
appr oximately ten seconds:
R aTer locking theve hicle with thekey
R aTer locking theve hicle using KEYLESS-GO Interior pr
otection is only primed when thefo llo w-
ing components are closed:
R doors
R tailgate
Interior pr otection is automatically deactivated:
R aTer pressing theÜ orp button on the
key
R aTer pressing the start/s top button with the
ke y in the st owage compartment
(/ page 192)
R aTer unlocking theve hicle using KEYLESS-GO
R when using HANDS-FREE ACCESS
The following situations can lead toafa lse alarm:
R when there are moving objects such as mas-
cots in theve hicle interior
R when a side wind owis open
R when a sliding sunroof is open
R when a panoramic sliding sunroof is open Pr
Pr
iming/deactiv
iming/deactiv ating int
ating int er
erior prot
ior prot ection
ection Multimedia system:
4 © 5
Settings 5
Quick access #
Prime or deactivate Interior motion sensor.
Interior pr otection is primed again in thefo llowing
cases:
R The vehicle is unloc ked again.
R A door is opened.
R The vehicle is loc ked again.
% Ifqu ick access is una vailable, select theVehi-
cle menu under Settingstoprime or deacti-
va te interior pr otection. Opening and closing
107 107