tow MERCEDES-BENZ GLS SUV 2020 Owners Manual

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

Light and sight
......................................... 15 6
Exterior lighting .......................................... 15 6
Interior lighting ...........................................1 63
Wi ndsc reen wipers and windscreen
wa sher sy stem ............................................ 16 5
Mir rors ........................................................ 17 0
Area pe rmeable toradio wav es on the
windscreen ................................................ .173
Infrared-reflective windscreen function ...... 173Climate control
......................................... 174
Overview of climate contro l systems ........... 174
Operating the climate control sy stem ......... 175 Driving and pa
rking ................................. 187
Driving ........................................................ 187
DY NA MIC SELECT switch ............................2 01
Au tomatic transmission .............................. 204
Tr ans fer case .............................................. 209
Fu nction of the 4MATIC ...............................2 11
Re fuelling .................................................... 211
Pa rking ........................................................ 217
Driving and driving sa fety sy stems .............2 24
Tr ailer hit ch................................................ 295 Bicycle
rack function .................................. 300
Ve hicle towing instructions ........................ .302 Instrument display and on-board
comp
uter.................................................. 304
No tes on the instrument display and on-
board computer .......................................... 304
Instrument display overview ...................... .305
Overview of the buttons on thesteering
wheel ..........................................................3 06
Operating the on-board computer .............. 306
Overview of what is shown on the multi‐
function display .......................................... 308
Head-up display .......................................... 308 MBUX multimedia sy
stem ....................... 311
Overview and operation .............................. 311
Sy stem settings .......................................... 320
Na vigation .................................................. 324
Te lephone .................................................. .330
Mercedes me and apps .............................. 333
Mercedes-Benz emer gency call sy stem ...... 342
Ra dio, media & TV...................................... 349
Sound settings ........................................... 355 Main
tenance and care ............................. 357
ASS YST PLUS service inter val display ........ 357
Engine compartment .................................. 358
Cleaning and care ...................................... .364 Breakdown assistance
............................372
Emergency ................................................. .372
Flat tyre ...................................................... 374
Battery (vehicle) ......................................... 380
To w- starting or towing away ....................... 385
Electrical fuses ........................................... 390 Wheels and tyres
..................................... 393
No tes on noise or unusual handling char‐
acteristics .................................................. .393
No tes on regular lyinspecting wheels and
tyres .......................................................... .393
No tes on snow chains ................................ 393
Ty re pressure .............................................. 394
Wheel change ............................................ .397
Emergency spare wheel .............................. 407
Collapsible spare wheel .............................. 409 Contents
3

1
Steering wheel gearshift paddles →
207
2 Combination swit ch →
15 8
3 Instrument display →
305
4 DIRECT SELECT le ver →
204
5 Media display →
311
6 Climate cont rol sy stems →
175
7 £ Hazardwa rning light sy stem →
15 8
8 PASSENGER AIR BAG indicator lamps →
50
9 Glovecompa rtment →
13 4
A Stow age compartment →
13 4
B 8 Controller forvo lume and switching
sound on/off →
311
Ü Switches the MBUX multimedia sy stem
on/off →
311
C z Calls up navigation →
313
D | Calls up radio or media →
313
E % Calls up thete lephone →
313 F
Switch panel for:
ä Individual wheel control (vehicles with‐
out off-road pac kage ) or →
273
+ Trans fer case (vehicles with off-road
pac kage) →
209
p Manual gearshifting →
207
¿ AIRMATIC or →
262
¿ E-AC TIVE BODY CONTROL →
269
å Activating/deactivating ESP ®
→
227
î Downhill Speed Regulation →
24 4
G ß Calls up favo urites →
313
H y Calls up vehicle functions →
313
I c Active Parking Assist →
289
J DYNA MIC SELECT switch →
203
K Touchpad →
313
L Start/ stop button →
188
è ECOstart/ stop function →
19 8 At
aglance – Cockpit 7

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

1
B-pillar wi th:
QR code for accessing there scue card →
34
2 Safetyve sts →
372
3 Fire extinguisher →
374
4 ; me button →
335
G SOS button →
335
5 £ Hazard warning light sy stem →
15 8
6 Tocheck and top up operating fluids →
417
St arting assis tance →
384
7 Tow- starting or towing away →
386 8
Flat tyre →
374
9 Tow- starting or towing away →
386
A Fuelfiller flap with:
information label on fuel type →
211
information label on tyre pressure →
395
QR code for accessing there scue card →
34
B Warning triangle →
372
C TIREFIT kit →
376
D First-aid kit (so ftsided) →
373 At
aglance – Emer gencies and breakdowns 19

Calling up
the Digital Owner's Manual
Multimedia sy stem:
4 © 5
Info 5
Owner's Manual 5
Õ The Digital Owner's Manual describes
the func‐
tions and operation of theve hicle and the multi‐
media sy stem. #
Select one of thefo llowing menu items in the
Digital Owner's Manual:
R Search: sea rchfo rke ywords in order tofind
qu ick answers toquestions about the opera‐
tion of theve hicle.
R Quick start: here is where youfind thefirst
st eps towa rds setting up your vehicle. R
Tips: find information that prepares youfor
cer tain eve ryday situations with your vehicle.
R Animations: watch animations of theve hicle
functions.
R Messages: recei veadditional information
about the messages in the Instrument Dis‐
pla y.
R Bookmarks: gain access to your personally
sa ve d bookmar ks.
R Language: select the language forth e Digital
Owner's Manual. 1
Back
2 Adds bookmar ks 3
Picture
4 Contents section
5 Directions of mo vement of contents section
6 Menu
Some sections in the Digital Owner's Manual,
e.g. warning no tes, can be expanded and col‐
lapsed.
Ad ditional methods of calling up the Digital
Owner's Manual:
Di rect access: openthere qu ired con tent in the
Digital Owner's Manual bypressing and holding
an ent ryon theta b bar in the multimedia sys‐
te m: 20
Digital Owner's Manual

#
Stow all objects in theve hicle securely
so that they cannot getinto the driver's
fo ot we ll. #
Alw aysfit th efloor mats securely and
as prescribed in order toensure that
th ere is alw ays suf ficient room forthe
pedals. #
Do not use loose floor mats and do not
place floor mats on top of one ano ther. *
NO
TEBattery discharging from using
devices connected tothe diagnostics
connection Using devices at
the diagnostics connection
drains the batter y. #
Check thech arge leve l of the batter y. #
Ifth ech arge leve l is lo w,charge the
batter y,e.g. bydriving a considerable
dis tance. Connecting and using ano
ther device with the
diagnostics connection can ha vethefo llowing
ef fects:
R malfunctions in theve hicle sy stem
R permanent damage tovehicle components
Please referto thewa rranty term s and condi‐
tions forth is matter. Moreo
ver,connecting equipment tothe diagnos‐
tics connection can lead toemissions monitor‐
ing information being reset, forex ample. This
may lead totheve hicle failing tomeet the
re qu irements of the next emissions inspection
during the main inspection. Qualified specialist
workshop
A qu alified specialist workshop has the neces‐
sary special skills, tools and qualifications to
cor rectly car ryout any necessary workon your
ve hicle. This particular lyapplies tosaf ety-re le‐
va nt wo rks.
Alw ays ha vethefo llowing workcar ried out on
yo ur vehicle at a qualified specialist workshop:
R safety-re leva nt wo rks
R service and maintenance work
R repair work
R modifications as well as ins tallations and
con versions
R workon electronic components 32
General no tes

The front passenger airbag can only be deplo
yed
in an accident if thePA SSENGER AIR BAG OFF
indicator lamp is off. If the front passenger seat
is occupied, make sure, bo thbefore and during
th e journe y,that thest atus of the front
passenger airbag is cor rect (/ page 50). &
WARNING Risk of bu rns from hot airbag
components
The airbag parts are hot af ter an airbag has
been depl oyed. #
Do not touch the airbag parts. #
Have a deplo yed airbag replaced at a
qu alified specialist workshop as soon
as possible. Mercedes-Benz
recommends that you ha vethe
ve hicle towe dto aqu alified specialist workshop
af te r an accident. Take this into account, partic‐
ularly if a seat belt tensioner is trig gered or an
airbag deplo yed. If
th e seat belt tensioners are trig gered or an air‐
bag is deplo yed, you will hear a bang, and a
small amount of powder may also be released:
R The bang will not generally af fect your hear‐
ing.
R Ingeneral, the powder released is not haz‐
ardous tohealth but may cause short-term
breathing dif ficulties topersons suf fering
from as thma or other pulmonary conditions.
Pr ov ided it is safe todo so, lea vetheve hicle
immediately or open the window in order to
pr eve nt brea thing dif ficulties. Seat belts
Pr
otection pr ovided bythe seat belt Alw
aysfast enyour seat belt co rrectly before
st arting a journe y.A seat belt can only pr ovide
th e best le vel of pr otection if it is worncor rectly. &
WARNING Risk of inju ryor death due to
incor rectly fastened seat belt
If th e seat belt is not worncor rectly, it can‐
not per form its intended pr otective function.
In addition, an incor rectly fastened seat belt
can also cause injuries, forex ample, in the
ev ent of an accident or when braking or
ch anging direction sudden ly. #
Alw ays ensure that all vehicle occu‐
pants ha vetheir seat belts fastened
cor rectly and are sitting prope rly. Alw
ays obser vethe instructions about the cor‐
re ct driver's seat position and adjusting the seat
(/ page 105).
In order forth e cor rectly wornseat belt topro‐
vide the intended le vel of pr otection, each vehi‐
cle occupant must obser vethefo llowing infor‐
mation:
R The seat belt must not be twis ted and must
fi t tightly and snu gly across the body. Occupant saf
ety41

R
modifications ha vebeen made tothe seat
belt tensioner, seat belt anchorage or
seat belt retractor
Seat belts may su stain non-visible damage in
an accident, e.g. due toglass splin ters.
Modified or damaged seat belts could tear or
fa il in theev ent of an accident, forex ample.
Modified seat belt tensioners could acciden‐
ta lly trigger or failto function as intended. #
Never modify the seat belt sy stem, for
ex ample the seat belt, seat belt buckle,
seat belt tensioner, seat belt anchorage
and seat belt retractor. #
Makesure that the seat belts are
undamaged, not wornand clean. #
Alw ays ha vethe seat belts checked
immediately af ter an accident at a
qu alified specialist workshop. Mercedes-Benz
recommends that you use seat
belts which ha vebeen appr ovedfo ryo ur vehicle
by Mercedes-Benz. &
WARNING Risk of inju ryor death from
deplo yedpy rotech nic seat belt tension‐
ers
Py rotech nic seat belt tensioners that ha ve
been deplo yed are no longer operational and
are unable toper form their intended pr otec‐
tive function. #
Therefore, ha vedeplo yedpy rotech nic
seat belt tensioners immedia tely
re placed at a qualified specialist work‐
shop. Mercedes-Benz
recommends that you ha vethe
ve hicle towe dto aqu alified specialist workshop
af te r an accident.
* NO
TEDama gecaused bytrapping the
seat belt If an unused seat belt is not fully
retracted, it
may become trapped in the door or in the
seat mechanism. #
Alw ays ensure that an unused seat belt
is fully retracted. Fa
stening and adju sting seat belts If
th e seat belt is pulled quickly or sharpl y,the
seat belt retractor lo cks. The seat belt stra p can‐
not be pulled out any fur ther. #
Alw ays engage seat belt tongue 2ofthe
seat belt into seat belt buckle 1ofthe cor‐
re sponding seat. Occupant saf
ety43

Information on au
tomatic front passen ger
airbag shutoff
The front passenger airbag can only be deplo yed
in an accident if thePA SSENGER AIR BAG OFF
indicator lamp is off. If the front passenger seat
is occupied, make sure, bo thbefore and during
th e journe y,that thest atus of the front
passenger airbag is cor rect (/ page 50).
* NO
TEImpo rtant points toremember if
th e front passenger seat is unoccupied In an accident,
the components of the
re stra int sy stem may deploy unnecessarily
on the front passenger side if:
R There are heavy objects on the front
passenger seat.
R The seat belt tongue is engaged in the
seat belt buckle of the front passenger
seat and the front passenger seat is
unoccupied. #
Stow objects in a suitable place. #
Only one person should use each seat
belt at any one time. Depending on
the de tected accident situation,
th e window airbag on the front passenger side
may deplo y.The airbag is deplo yedre ga rdless of
whe ther the front passenger seat is occupied.
Information on the cushionbag in there clin‐
ing rear seat
The cushionbag of fers additional occupant pro‐
te ction in theeve nt of frontal impacts. When
enabled, the cushionbag deplo ysunder the seat
cushion. This helps pr eventtheve hicle occupant
from slipping off the seat cushion.
If yo u ins tall a child restra int sy stem on the
re clining rear seat, alw ays obser vethe additional
no tes (/ page 56). Pr
otective capacity of the airbags Depending on
the accident situation, an airbag
may supplement the pr otection of fere dby a cor‐
re ctly fastened seat belt. &
WARNING Risk of inju ryor death due to
an incor rect seat position
If yo u deviate from the cor rect seat position,
th e airbag cann otper form its intended pro‐
te ctive function.
Each vehicle occupant must make sure of the
fo llowing:
R Fasten seat belts cor rectl y.Pregnant
wo men must take particular care to
ensure that the lap belt ne ver lies across
th e abdomen.
R Adopt the cor rect seat position and keep
as faraw ay as possible from the airbags.
R Obser vethefo llowing information. #
Alw ays make sure that there are no
objects between the airbag and vehicle
occupant. To
avo idtherisks resulting from the deployment
of an airbag, each vehicle occupant must
obser vethefo llowing information in particular:
R Before starting your journe y,adjust your seat
co rrectly; the driver's seat and front 46
Occupant saf ety