2020 MERCEDES-BENZ GLS SUV sunroof

Symbols
........................................................ 5At
agl ance .................................................... 6
Cockpit ........................................................... 6
Indica tor and warning lamps ........................ .10
Overhead contro l panel ................................ 12
Door operating unit and seat adjustment ..... 14
Control settings in there ar passenger
compartment ................................................ 16
Emergencies and breakdowns ...................... 18Digital Owner's Manual
.............................20
Calling up the Digital Owner's Manual ..........20 Genera
l notes............................................. 22
Pr otection of the environment ......................22
Ta ke -ba ckof end-of-life vehicles ...................22
Mercedes-Benz GenuineParts ....................... 23
Owner's Manual ............................................ 24
Operating saf ety .......................................... .24
Declaration of conformity ............................. 26
Diagno stics connection ................................ 31
Qualified specialist workshop ....................... 32 Ve
hicle registration ....................................... 33
Cor rect use of theve hicle ............................33
Information on the REA CHregulation ........... 33
No tesfo r persons with electronic medi‐
cal aids ......................................................... 33
Implied warranty .......................................... .34
QR code forre scue card ...............................34
Data storage .................................................34
Copyright ...................................................... 38 Occupant saf
ety......................................... 39
Re stra int sy stem ...........................................39
Seat belts ...................................................... 41
Airbags ......................................................... 45
PRE-SAFE ®
sy stem ....................................... 53
Au tomatic measu res af ter an accident ......... 54
Safely transporting children in theve hi‐
cle ................................................................55
No tes on pets in theve hicle .........................77 Opening and closing
.................................. 78
Ke y .............................................................. .78
Doo rs............................................................ 81
Ru nning boards ............................................ 85 Load compa
rtment ....................................... 86
Side windo ws............................................... 92
Sliding sunroof ............................................. 96
Ro ller sunblinds .......................................... 101
Anti-theft pr otection ................................... 102 Seats and
stowing ................................... 105
No tes on the cor rect driver's seat posi‐
tion ............................................................. 105
Seats .......................................................... 105
St eering wheel ............................................ 124
Easy entry and exitfeature ........................ .126
Memory function ........................................ 127
Memory function in there ar compart‐
ment .......................................................... .128
St ow age areas ............................................ 13 2
Cup holders ................................................ 14 6
Soc kets ....................................................... 14 8
Coolbox ...................................................... 15 0
Wi reless charging of the mobile phone
and connection with theex terior aerial .......1 51
Fitting/removing thefloor mats ................. 1542
Contents

1
Sun visors
2 p Switches the left-hand reading lamp
on/off →
16 3
3 | Switches au tomatic interior lighting con‐
trol on/off →
16 3
4 c Switches the front interior lighting
on/off →
16 3
5 u Switches there ar interior lighting
on/off →
16 3 6
p Switches theright-hand reading lamp
on/off →
16 3
7 ; me button →
335
8 G SOS button →
335
9 3 Opens/closes the panorama sliding
sunroof →
96
3 Opens/closes thero ller sunblind →
96
A Inside rearview mir ror →
171 At
aglance – Overhead control panel 13

R
Suitable positioning of thech ild restra int sys‐
te m (/ page 59) PRE-SAFE
®
sy stem PRE-
SAFE®
(anticipa tory occupant pr otec‐
tion) 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 Vehicles with sliding sunroof: closethe
sliding sunroof.
R Vehicles with memory function: movethe
front passenger seat toa more favo urable
seat position.
R Vehicles with memory function in the
re ar comp artment: movethe outer rear
seats toa more favo urable seat position. R
Vehicles with multicontour seat: increase
th e air pressure in the seat side bols ters of
th e seat backrest.
R PRE-SAFE ®
Sound: pr ovided that the multi‐
media sy stem is switched on, generates a
brief noise signal tostimulate the innate pro‐
te ctive mechanism of a person's hea ring.
* NO
TEDama gecaused byobjects in the
fo ot we ll or behind the seat The automatic adjustment of
the seat posi‐
tion may result in damage tothe seat and/or
th e object. #
Stow objects in a suitable place. Re
versing the PRE- SAFE®
sy stem measures If an accident did not occur,
the pre-em ptive
measures that we retake n are reve rsed.
Yo u will need toper form certain settings your‐
self. #
Ifth e seat belt pre-tensioning is not reduced,
mo vethe seat backrest back slightl y.
The locking mechanism releases. Fu
nction of PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus) PRE-
SAFE®
PLUS can de tect cer tain impacts,
particular lyan imminent rear impact, and take
pre-em ptive measures toprotect theve hicle
occupants. These measures cannot necessarily
pr eve nt an imminent impact.
PRE-SAFE ®
PLUS can implement thefo llowing
measures independently of each other:
R Tightening the seat belts on the driver's seat
and front passenger seat.
R Activating there ar hazard warning lights at a
higher flashing frequenc y.
R Increasing brake pressure when theve hicle
is stationar y.This brake application is cancel‐
led automatically when theve hicle pulls
aw ay. Occupant saf
ety53

&
WARNING Risk of becoming trapped
despi tethere being reve rsing pr otection
on the side window
The reve rsing function does not react:
R tosoft, light and thin objects, e.g. fingers.
R during resetting.
The reve rsing function cannot pr event some‐
one from becoming trapped in these situa‐
tions. #
During the closing process, make sure
th at no body parts are in the closing
area. #
If someone becomes trapped, press the
W button toopen the side window
again. Au
tomatic function of the side windo wsIn
thefo llowing cases, the side windo wswill be
closed automatically when theve hicle is
switched off:
R if it starts torain Ra
in is de tected byara in sensor on the
windscreen.
R inextreme temp eratures
R afte r a cer tain time (depending on the on-
board electrical sy stem voltage)
R ifth ere is a malfunction in the po wer supply
The side windo wswill be closed as far as the
ve ntilation position.
Ve hicles with a sliding sunroof: the side win‐
do ws will be closed comple tely ifth e sliding sun‐
ro of is open.
If th e side windo wsare obstructed during auto‐
matic closing, the side window concerned will
open again slightl y.The automatic function for
th e sliding sunroof and the side windo wswill
th en be deactivated. Con
venience opening (ventilating theve hicle
before starting a journey) &
WARNING Risk of entrapment when
opening 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 touching the side windo w. #
Release the button immediately if
somebody becomes trapped. #
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 sun roof is opened.
R The panoramic sliding roof is opened.
R The seat ventilation of the driver's seat is
switched on. 94
Opening and closing

%
Ifth ero ller sunblind of the panoramic sliding
sunroof is closed, thero ller sunblind is
opened firs t.
% Ifth ero ller sunblinds of there ar doors are
closed, thero ller sunblinds are opened firs t. #
Tointer rupt convenience opening: release
th eÜ button. #
Tocontinue con venience opening: press
and hold theÜ button again. Con
venience closing (closing theve hicle
from outside) &
WARNING Risk of entrapment due tonot
paying attention du ring con venience
closing
When the con venience closing feature is
operating, parts of the body could become
trapped in the closing area of the side win‐
dow and the sliding sunroof. #
When the con venience closing feature
is operating, monitor the entire closing process and make sure
that no body
parts are in the closing area. #
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 sun roof is closed.
R The panoramic sliding roof is closed. #
Tointer rupt convenience closing: release
th eß button. #
Toclose thero ller sunblinds: press and
hold theß button again.
% Con venience closing also functions wi th
KEYLESS-GO (/ page 83). Re
solving problems with the side windo ws &
WARNING Risk of becoming trapped or
fa ta lly injured if reve rsing pr otection is
not activated
If yo u close a side wind owagain immediately
af te r it has been bloc ked, the side window
will close with increased or maximum forc e.
The reve 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 wind
owcann otbe closed and you can‐
not see the cause. #
Check tosee whe ther any objects are in the
window guide. #
Adjust the side windo ws.
Ad justing the side windo ws Opening and closing
95

If a side window is obstructed during closing and
re opens again immediately: #
Immediately af terth is, pull and hold the cor‐
re sponding button again until the side win‐
dow 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 immediately: #
Immediately af terth is, pull and hold the cor‐
re sponding button again until the side win‐
dow has closed and hold the button for at
least one more second (follo w-up adjust‐
ment).
The side wind owwill be closed without the
automatic reve rsing function.
The side windo wscann otbe opened or
closed using the con venience opening fea‐
ture.
Po ssible cause:
R The key bat tery iswe ak or dischar ged. #
Check the battery using the indicator lamp
(/ page 78). #
Replace theke y bat tery, if necessary
(/ page 80). Sliding sunroof
Opening and closing
the sliding sunroof %
The term "sliding sun roof" also refers to the
panorama sliding sunroof. &
WARNING Risk of becoming trapped
when the 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
somebody becomes trapped.
or #
Brief lypress the button in any direction
during automatic operation.
The opening or closing process will be
st opped. &
WARNING Risk of entrapment if the slid‐
ing sunroof is operated bychildren
Children operating the sliding sunroof could
get caught in the moving parts, particularly if
unattended. #
Never lea vechildren unat tended in the
ve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. &
WARNING Risk of becoming trapped
when thero ller sunblind is being opened
and closed
Body parts may become trapped between
th ero ller sunblind and frame or sliding roof. 96
Opening and closing

#
When opening or closing, make sure
that no body parts are in thero ller sun‐
blind's range of mo vement. #
Release the button immediately if
somebody becomes trapped.
or #
Brief lypress the button in any direction
during automatic operation.
The opening or closing process will be
st opped. *
NO
TEMalfunction due tosnow and ice Snow and ice may cause
the sliding sunroof
to malfunction. #
Open the sliding sunroof only if it is free
of snow and ice. *
NO
TEDama gecaused byprotru ding
objects Objects
that pr otru de from the sliding sun‐
ro of may damage the sealing strips. #
Do not allow anything toprotru de from
th e sliding sunroof. *
NO
TEImpo rtant points toremember
when a roof luggage rack isfitted When a
roof luggage rack isfitted, raising or
opening the sliding sunroof may be limited. #
Check whe ther the sliding sunroof can
be raised or opened when a roof lug‐
ga ge rack isfitted. #
If in doubt, do not raise or open the
sliding sunroof. 1
Toraise
2 Toopen
3 Toclose/l ower
Use the3 button tooperate the panorama
sliding sunroof and thero ller sunblind.
The panorama sliding sunroof can be opera ted
only when thero ller sunblind is open. Opening and closing
97

%
The roller sunblind can be opened only when
th e panorama sliding sunroof is closed or in
th era ised position. #
Check whe ther the sliding sunroof can be
ra ised or opened when a roof luggage rack is
fi tted. #
Tostart automatic operation: pressthe
3 button be yond the point of resis tance
or pull and release it. #
Tointer rupt automatic operation: briefly
press the3 button in any direction.
The opening/closing process will be stop‐
ped. #
Toventilate theve hicle interior: raise the
sliding sunroof.
The roller sunblind will open slightly. Operating
thero ller sunblind for the sliding
sun roof from there ar passenger comp art‐
ment #
Toopen: press button 1. #
Toclose: pull button 1.
% When the sliding sunroof is open, it will close
fi rs t. To close thero ller sunblind, you must
pull but ton1 again. If
yo u push or pull but ton1 beyond the point of
re sis tance, you will start automatic operation in
th e direction in question. You can stop auto‐
matic operation bypressing or pulling the button
again.
Au tomatic reve rsing function of the sliding
sunroof
If an obs tacle obstructs the sliding sunroof dur‐
ing the closing process, the sliding sunroof will
open again automaticall y.The automatic reve rs‐
ing function is only an aid and is not a substitute
fo ryo ur attentiveness. #
During the closing process, make sure that
no body parts are in the closing area. &
WARNING Risk of becoming trapped
despi tethere ve rsing function being
active
In particular, there ve rsing function does not
re act:
R tosoft, light and thin objects, e.g. fingers.
R towa rdsth e end of the closing procedure. 98
Opening and closing