2020 MERCEDES-BENZ GLS SUV seats

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
Opens the door →
82
2 ßÜLoc ks/unloc kstheve hicle →
82
3 Sets the memory function →
12 8
4 Adjusts the seats electrically →
105
5 w Switches the seat heating on/off →
12 2
6 s Switches the seat ventilation on/o ff→
12 3
7 w Adjusts the front passenger seat from
th e driver's seat →
108
8 q Opens/closes theta ilgate →
86
9 W Opens/closes theright side window →
92 A
W Opens/closes there ar right side win‐
dow →
92
B S Child saf ety lock forth ere ar side win‐
do ws →
77
C W Opens/closes there ar left side wind ow→
92
D W Opens/closes the left side window →
92
E Í Operates the outside mir rors →
17 0
F Adjusts the 4-w aylumbar support →
109
G Seat adjustment using the multimedia sy stem →
11 9
H Adjusts the head restra ints →
11 5 At
aglance – Door operating unit and seat adjustment 15

1
Rear climate control operating unit →
175
2 Stow age compartment in the cent reconsole
230 V soc ket →
14 8
3 Adjusts the front passenger seat electrically →
109
4 s Switches there ar seat ventilation
on/o ff →
12 3
5 w Switches there ar seat heating on/off →
12 2
6 Adjusts there ar seats electrically →
11 0
Mercedes-Maybach vehicles: adjusts a reclin‐
ing rear seat electrically →
11 0 7
Mercedes-Maybach vehicles: operates the
memory function →
12 9
8 Mercedes-Maybach vehicles: sets the fully
re clined position →
111
9 Mercedes-Maybach vehicles: access tothe
re frigerator box →
15 0
A Stow age compartment in there ar armrest
MBUX rear tablet brac ket At
aglance – Control settings in there ar passenger compartment 17

Mercedes-Benz GenuineParts
+ ENVIRONMENTAL
NOTEEnvironmental
dama gecaused bynot using recycled
re conditioned components Mercedes‑Benz
AGoffers recycled recondi‐
tioned components and pa rts with the same
qu ality as new parts. The same entitlement
from the implied warranty is valid as for new
parts. #
Recycled reconditioned components
and pa rts from Mercedes‑Benz AG.*
NO
TEImpairment of the operating ef fi‐
ciency of there stra int sy stems from
ins talling accessory parts or from repairs
or we lding Airbags and seat belt
tensioners, as well as
control units and sensors forth ere stra int
sy stems, may be ins talled in thefo llowing
areas of your vehicle:
R doors R
door pillars
R door sills
R seats
R cockpit
R instrument clus ter
R centre console
R late ra lro of frame #
Do not ins tall accessory parts such as
audio sy stems in these areas. #
Do not car ryout repairs or welding. #
Have accesso ries retrofitted at a quali‐
fi ed specialist workshop. Yo
u could jeopardise the operating saf ety of your
ve hicle if you use parts, tyres and wheels as well
as accessories releva nt tosaf ety which ha venot
been appr ovedby Mercedes-Benz. Saf ety-re le‐
va nt sy stems, e.g. the brake sy stem, may mal‐
function. Only use Mercedes-Benz GenuineParts
or parts of equal qualit y.Only use tyres, wheels
and accessories that ha vebeen specifically
appr ovedfo ryo ur vehicle model. Mercedes-Benz
tests original parts and con ver‐
sion parts and accessories that ha vebeen spe‐
cifically appr ovedfo ryo ur vehicle model forth eir
re liability, saf ety and suitabilit y.Despite ongoing
ma rket resear ch, Mercedes-Benz is unable to
assess other parts. Mercedes-Benz therefore
accepts no responsibility forth e use of such
parts in Mercedes-Benz vehicles, even if they
ha ve been of ficially appr oved or independently
appr ovedby ate sting centre.
Cer tain parts are only of ficially appr ovedfor
ins tallation or modification if they comply wi th
legal requirements. All Mercedes-Benz Genuine‐
Pa rts meet the appr oval requ irements. The use
of non-appr oved parts may in validate theve hi‐
cle's general operating pe rmit.
This is the case in thefo llowing situations:
R theve hicle type is dif fere nt from that for
which theve hicle's general operating pe rmit
wa s granted.
R other road users could be endangered.
R theex haust gas or noise le velge ts wo rse. General no
tes23

In addition,
there are components ins talled in
th eve hicle that, rega rdless of the operating sta‐
tus of theve hicle, can generate magnetic fields
on a par with permanent magnets. These fields
can be found, forex ample, in the area around
th e multimedia and sound sy stem or also in the
area of the seats, depending on theve hicle
equipment.
Fo rth is reason, thefo llowing can occur in isola‐
te d cases, depending on the aids used:
R Medical aids malfunctioning
R Adverse health ef fects
Obser vethe no tes and warnings of the manufac‐
turer of the medical aids; if in doubt, conta ctthe
device manufacturer and/or your doc tor.If th ere
is continuing uncer tainty concerning the possi‐
bility of medical aids malfunctioning, Mercedes-
Benz AGrecommends using only few electrical
ve hicle sy stems and/or maintaining a dis tance
from the components.
Only ha verepairs and maintenance workinthe
area of thefo llowing components car ried out by
a qu alified specialist workshop:
R vehicle components car rying live voltage R
transmission aerials
R multimedia sy stem and sound sy stem
If yo u ha veany queries or suggestions, consult a
qu alified specialist workshop. Implied
warranty
* NO
TEDama getotheve hicle arising
from violation of these operating instruc‐
tions. Damage
totheve hicle can arise from viola‐
tion of these operating instructions.
This damage is not co vered either bythe
Mercedes-Benz implied warranty or bythe
New‑ or Used- Vehicle Warrant y. #
Follow the instructions in these operat‐
ing instructions on proper operation of
yo ur vehicle as well as on possible vehi‐
cle damage. QR code
forre scue card
QR codes are attached in the fuel filler flap and
on the opposite side on the B-pillar. In theeve nt
of an accident, rescue services can use the QR
code toquickly find the appropriate rescue card
fo ryo ur vehicle. The cur rent rescue card con‐
ta ins the most impor tant information about your
ve hicle in a compact form , e.g. thero uting of the
electric lines.
Fu rther information can be obtained at https://
www.mercedes-benz.de/qr-code. Data
storage Data processing in
theve hicle Electronic control units
Electronic control units are
fitted in your vehicle.
Control units process data which, forex ample,
th ey recei vefrom vehicle sensors, generate
th emselves or exch ange between themselves.
Some control units are requ ired forth e safe
operation of your vehicle, some assist you when
driving, such as driver assis tance sy stems, while
ot hers enable comfort or inf otainment functions. 34
General no tes

In addition,
the operation of the automatic
front passenger airbag shutoff could be
re stricted. #
You should on lyuse seat co vers that
ha ve been appr oved forth e cor respond‐
ing seats byMercedes-Benz. &
WARNING Risk of inju rydue tomalfunc‐
tioning sensors in the door
The function of the airbags can be impaired
due tomodifications or incor rect wo rkper‐
fo rm ed on the doors or door trim, or if the
doors are damaged. #
Never modify the doors or parts of the
doors. #
Alw ays ha vewo rkon the doors or door
trim car ried out at a qualified specialist
wo rkshop. &
WARNING Risk of inju rydue todeplo yed
airbag
A deplo yed airbag no longer of fers any pro‐
te ction. #
Have theve hicle towe dto aqu alified
specialist workshop in order tohave the
deplo yed airbag replaced. Ha
ve deplo yed airbags replaced immediately. St
atus of the front passenger front airbag Fu
nction of the automatic front passenger
airbag shu toff
The automatic front passenger airbag shutoff is
able todetect whe ther the front passenger seat
is occupied bya person or a child restra int sys‐
te m. The front passenger airbag is enabled or
disabled accordingly. &
WARNING Risk of inju ryor 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 shutoff or damage the sys‐
te m. #
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. When
fitting a child restra int sy stem tothe front
passenger seat, alw ays make sure of thefo llow‐
ing:
R Ensure that thech ild restra int sy stem is posi‐
tioned cor rectly (/ page 59).
R Alw ays comply with thech ild restra int sys‐
te m manufacturer's ins tallation instructions.
R Never place objects (e.g. cushions) under or
behind thech ild restra int sy stem.
R Fully retract the seat cushion length adjust‐
ment.
R The entire base of thech ild restra int sy stem
must alw aysre st on the sitting sur face of the
front passenger seat.
R The backrest of thefo rw ard-facing child
re stra int sy stem must, as far as possible, be
re sting on the seat backrest of the front
passenger seat. 48
Occupant saf ety

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

Safely transporting
children in theve hicle Alw
ays obser vewhen children are tr avelling
in theve hicle %
Also strictly obser vethe saf ety no tesfo rthe
specific situation. In this wa yyo u can recog‐
nise po tential risks and avoid dangers if chil‐
dren are tr avelling in theve hicle
(/ page 56).
Be diligent
Bear in mind that negligence when securing a
ch ild in thech ild restra int sy stem may ha veseri‐
ous consequences. Alw ays be diligent in secur‐
ing a child carefully before everyjou rney.
To impr oveprotection forch ildren younger than
12 years old or under 1.50 m in height,
Mercedes-Benz recommends you obse rvethe
fo llowing information:
R Alw ays secure thech ild in a child restra int
sy stem suitable forth is Mercedes-Benz vehi‐
cle.
R The child restra int sy stem must be appropri‐
ate tothe age, weight and size of thech ild. R
The vehicle seat must be suitable forfitting a
ch ild restra int sy stem (/ page 59).
Ac cident statistics show that children secured
on there ar seats are general lysafer than chil‐
dren secured on the front seats. Forth is reason,
Mercedes-Benz strongly advises that youfit a
ch ild restra int sy stem toare ar seat.
The generic termchild restra int sy stem
The generic term child restra int sy stem is used
in this Owner's Manual. A child restra int sy stem
is, forex ample:
R a baby car seat
R are ar wa rd-f acing child seat
R afo rw ard-facing child seat
R ach ild boos ter seat with a backrest and seat
belt guide
Mercedes-Benz recommends using a child
boos ter seat with a backrest.
The child restra int sy stem must be appropriate
to the age, weight and size of thech ild. Obser
velaws and legal requ irements
Alw ays obser vethe legal requ irements when
using a child restra int sy stem in theve hicle.
Make sure that thech ild restra int sy stem is
appr oved in accordance with theva lid test speci‐
fi cations and guidelines. Further information can
be obtained at a qualified specialist workshop.
Mercedes-Benz recommends that you use a
Mercedes-Benz Service Centre forth is purpose.
Only use appr ovedch ild restra int sy stems
On lych ild restra int sy stems that meet thefo l‐
lowing UNECE standards are permit tedfo r use in
th eve hicle:
R UN-R44
R UN-R129 (i-Size child restra int sy stems)
Information on child restra int sy stem appr oval
categories and de tails on the appr oval label on
th ech ild restra int sy stem (/ page 60). Occupant saf
ety55