service MERCEDES-BENZ GLS SUV 2020 Owners Manual

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Disclaimer
The following version of the Owner‘s Manual describes all models, series and
special equipment of your vehicle. Country-specific language variations are
possible. Please note that your vehicle might not be equipped with all the
described functions. This also affects safety-relevant systems and functions.
Please contact your authorised Mercedes-Benz dealership if you would like
to receive a printed Owner‘s Manual for other vehicle models and vehicle
model years.
The online Owner‘s Manual is the current and valid version. It is possible that
deviations affecting your specific vehicle could not be taken into account
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technology and makes changes to the form and the equipment.
Please also read the printed Owner‘s Manual, supplementary documents and
the digital Owner‘s Manual in the vehicle.
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Thank
youfo r pur chasing a Mercedes-Benz
Before youfirs t drive off, read this Owner's Man‐
ual carefully and familiarise yourself with your
ve hicle. Foryo ur ow n sa fety and a longer operat‐
ing li fespan of theve hicle, follow the instructions
and warning notices in this Owner's Manual. Dis‐
re ga rding them may lead todamage totheve hi‐
cle or injury topeople.
The standard equipment and product desc ript ion
of your vehicle may vary and depends on thefo l‐
lowing factors:
R Model
R order
R national version
R availability
The illustrations in this Owner's Manual show a
left-hand drive vehicle. On right-hand-drive vehi‐
cles, the la yout of car parts and cont rol ele‐
ments dif fers accordin gly.
Mercedes-Benz is cons tantly de veloping its vehi‐
cles fur ther. Mercedes-Benz
therefore reser vesth eright to
int roduce changes in thefo llowing areas:
R design
R equipment
R tech nical features
The equipment in your vehicle may therefore dif‐
fe r from that shown in the descriptions and illus‐
trations.
The following documents are integral parts of
th eve hicle:
R Digital Owner's Manual
R printed Owner's Manual
R service booklet
R equipment-dependent Supplements
Ke ep these documents in theve hicle at all
times. If you sell theve hicle, alw ays pass all of
th e documents on tothe new owner.
1675844316Z102
1675844316Z102

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

Pr
otection of the environment
+ ENVIRONMENTAL
NOTEEnvironmental
dama gedue tooperating conditions and
personal driving style The pollutant emission of
theve hicle is
directly related tothewa yyo u operate the
ve hicle.
Operate your vehicle in an environmentally
re sponsible manner tohelp pr otect the envi‐
ro nment. Please obser vethefo llowing rec‐
ommendations on ope rating conditions and
pe rsonal driving style.
Operating conditions: #
Make sure that the tyre pressure is cor‐
re ct. #
Do not car ryany unnecessary weight
(e.g. roof luggage rack s once you no
lon ger need them). #
Adhere tothe service inter vals.
A regularly serviced vehicle will contri b‐
ute toenvironmen tal pr otection. #
Alw ays ha vemaintenance workcar ried
out at a qualified specialist workshop.
Pe rsonal driving style: #
Do not depress the accelera tor pedal
when starting the engine. #
Do not warm upthe engine while the
ve hicle is stationar y. #
Drive carefully and maintain a suitable
di st ance from theve hicle in front. #
Avoid frequent, sudden acceleration
and braking. #
Change gear in good time and use each
ge ar on lyup toÔ of its maximum
engine speed. #
Switch off the engine in stationary traf‐
fi c, e.g. byusing the ECO start/ stop
function. #
Drive fuel-ef ficiently. Obser vethe ECO
display for a fuel-ef ficient driving style. Ta
ke -back of end-of-life vehicles
EU countries onl y:
Mercedes-Benz will take back your end-of-life
ve hicle for environment-friendly disposal in
accordance with the European Union(EU) End-
of-Life Vehicles Directive.
A network of vehicle take -ba ckpoints and dis‐
mantlers has been es tablished foryo uto return
yo ur vehicle. You can lea veit at any of these
points free of charge . This makes an impor tant
contribution toclosing there cycling circle and
conse rving resources.
Fo r fur ther information about there cycling and
disposal of end-of-li fevehicles, and theta ke-
back conditions, please visit the national
Mercedes-Benz website foryo ur count ry. 22
General no tes

Alw
ays specify theve hicle identification number
(VIN) (/ page415) when orde ring Mercedes-
Benz GenuineParts. Owner's Manual
This Owner's Manual describes all models and
all standard and optional equipment available for
yo ur vehicle at the time of this Owner's Manual
going topress. Countr y-specific dif fere nces are
possible. No tethat your vehicle may not be fit‐
te d with all features desc ribed. This is also the
case for sy stems and functions releva nt to
saf ety. Therefore, the equipment on your vehicle
may dif fer from that in the descriptions and illus‐
trations.
The original pur chase ag reement foryo ur vehicle
contains a list of all of the sy stems in your vehi‐
cle.
Should you ha veany questions concerning
equipment and operation, please consult a
Mercedes-Benz Service Centre.
The Owner's Manual and Service Booklet are
impor tant documents and should be kept inthe
ve hicle. Operating saf
ety &
WARNING Risk of inju rydue tomalfunc‐
tions or sy stem failure
In order toavo id malfunctions or sy stem fail‐
ures: #
Alw ays ha vethe specified service/
maintenance workas well as any nec‐
essary repairs car ried out at a qualified
specialist workshop. &
WARNING Risk of accident or inju rydue
to improper modifications toelectronic
components
Modifications toelectronic components,
th eir software or wiring can impair their func‐
tionality and/or the functionality of other
networ ked components or saf ety-re leva nt
sy stems.
This can endanger theve hicle's operating
saf ety. #
You must not tamp er with wiring, elec‐
tronic components, or their software. #
Alw ays ha vewo rkon electrical and
electronic devices car ried out at a quali‐
fi ed specialist workshop. If
yo u modify the on-board electronics, thege n‐
eral operating pe rmit is rende red in valid.
Obser vethe "On-board electronics" section in
"Technical data". &
WARNING Risk offire due toflammable
materials on hot parts of theex haust
sy stem
Flammable material such as lea ves, grass or
twigs may ignite if they come into contact
wi th hot parts of theex haust sy stem. #
When driving on unpa vedro ads or off-
ro ad, regular lych eck theve hicle under‐
side. #
Remo vetrapped plants or other flam‐
mable material, in particular. 24
General no tes

Ve
hicles with a 48 V on-board electrical sy stem
conta in high voltage components. These compo‐
nents are mar ked with a high voltage label: All
workon high voltage components must be
car ried out at a qualified specialist workshop. Declaration of conformity
Electromagnetic compatibility
The electromagnetic compatibility of
theve hicle
components has been checked and certified
according tothe cur rently valid version of Regu‐
lation UN R10. Wire
lessvehicle comp onents Fo
r EU and EF TAcount ries onl y:
The following information applies toall wireless
components of theve hicle and of the informa‐
tion sy stems and communication devices inte‐
grated in theve hicle:
The wireless components of this vehicle comply
with the basic requ irements and all other rele‐
va nt conditions of Directi ve2014 /53/EU. Yo u
can obtain fur ther information from a Mercedes-
Benz service cent re.
Fo r Brazil on ly:
No teon two-w ayradio sy stems in theve hicle:
These sy stems are not pr otected against harmful
inter fere nce and mu stnot cause ha rmful inter‐
fe re nce toproperly appr oved sy stems.
Re ar Seat En tertainment Sy stem:
This sy stem is not pr otected against harmful
inter fere nce and mu stnot cause ha rmful inter‐
fe re nce toproperly appr oved sy stems. This product is appr
ovedby AN ATEL in accord‐
ance wi th the procedures set out in Resolution
24 2/2000 and complies with there leva nt tech‐
nical requ irements. Further information can be
fo und on the https://www.anatel.go v.br.
Nigeria onl y:
Connection and use of the wireless communica‐
tion equipment in this vehicle are permitted by
th e Nigerian Communications Commission.
Ukraine onl y:
The manufacturer hereby declares that the wire‐
less vehicle components meet thete ch nical reg‐
ulations for two-w ayradios. You can obtain fur‐
th er information from a Mercedes-Benz Service
Centre.
Wire less applications in theve hicle
Besides the typical frequencies for mobile com‐
munications, cars from Mercedes-Benz make
use of thefo llowing automotive radio applica‐
tions: 26
General no tes

B) ISO 4063, ISO
14341- A,DBL 7392. 10, MBN
10 435
C) DBL 7392. 10, DBL 8230. 10
The tech nical documentation of the product is
st ored at the manufacturer's plant. Representa‐
tive forth e compilation of thete ch nical docu‐
mentation: Director of theTe ch nical Department
Brano a.s.
4.
Hradec nad Mor avicí
City
5.
05.05.20 15
Date
Signed by
Director of Quality TIREFIT kit
Co
py and translation of the original declaration
of confo rmity:
EC declaration of conformity In accordance with EC Directive 2006/42/EC
We
hereby declare that the product
Product designation: Daimler electric air pump
Model designation: 086 7,DT /UW 200056
MB pa rtno.: A 000 583 5101
complies wi th thefo llowing releva nt regulations:
2004/108/EC
Applied harmonised standards, in particular:
DIN EN 55 014-1: 20 12
DIN EN 550 14-2: 20 16
Manufacturer: Dunlop Tech GmbH
Ad dress: Of fenba cher Landstr. 8, 63456 Hanau
Auth orised representative: IMS dept.
Date: October 20 19
Signatu re: IMS-AE, IMS-AE-L Diagnostics connection
The diagnostics connection is a tech nical inter‐
fa ce in theve hicle. It is used, forex ample, within
th e scope of repair and maintenance workor for re
ading out vehicle data bya specialist work‐
shop. Diagnostic devices should therefore only
be connected byaqu alified specialist workshop. &
WARNING Risk of accident due tocon‐
necting devices tothe diagnostics con‐
nection
If yo u connect devices tothe diagnostics
connection of theve hicle, the function of
ve hicle sy stems and operating saf ety may be
impaired. #
For saf etyre asons, werecommend that
yo u on lyuse and connect products
appr ovedby yo ur Mercedes-Benz
service centre. &
WARNING Risk of accident due to
objects in the driver's foot we ll
Objects in the driver's foot we ll may impede
pedal tr avel or block a depressed pedal.
This jeopardises the operating and road
saf ety of theve hicle. General no
tes31

#
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

R
vehicles with 48 V on-board electrical
sy stem (EQ boost tech nology): workon
high voltage components of the 48 V on-
board electrical sy stem
Mercedes‑Benz recommends a Mercedes‑Benz
service centre. Ve
hicle registration
Mercedes-Benz may ask its service centres to
car ryout tech nical inspections on cer tain vehi‐
cles. The quality or saf ety of theve hicle is
impr oved as a result of the inspection.
Mercedes-Benz can only inform you about vehi‐
cle checks if Mercedes-Benz has your registra‐
tion data.
It is possible that your vehicle has not yet been
re gis tere d in your name in thefo llowing cases:
R ifyo ur vehicle was not pur chased at an
authorised specialist dealer.
R ifyo ur vehicle has not yet been examined at
a Mercedes-Benz service centre. It is advisable
toregis teryo ur vehicle with a
Mercedes-Benz service centre.
Inform Mercedes-Benz as soon as possible
about any change in address or vehicle owner‐
ship. You can do this at a Mercedes-Benz service
centre, forex ample. Cor
rect use of theve hicle
If yo ure mo veany warning sticke rs,yo u or others
could failto recognise cer tain dangers. Lea ve
wa rning sticke rs in position.
Obser vethefo llowing information in particular
when driving your vehicle:
R the saf ety no tes in this manual
R tech nical da taforth eve hicle
R traf fic ru les and regulations
R laws and saf etyst andards per taining to
mo torve hicles Information on
the REACH regulation
EU and EFTA countries onl y:The REA
CHregulation (Regulation (EC) No.
19 07 /2006, Article 33) stipulates a duty tosup‐
ply information about subs tances of very high
concern (SVHCs).
Mercedes‑Benz AGacts tothe best of its know l‐
edge topreve ntthese SVHCs from being used
and toenable cus tomers tosafely handle these
subs tances. The reare SVHCs known to
Mercedes‑Benz AG, according tosupplier infor‐
mation and internal product information, found
in individual co mponents of this vehicle in quan‐
tities of over 0.1 percent byweight.
Fu rther information can be obtained at thefo l‐
lowing addresses:
R https://reach.daimler.com/de/home/
R https://reach.daimler.com/en/home/ Note
sfo r persons with electronic medical
aids
Me rcedes-Benz AGcannot, despi tecarefully
de veloping vehicle sy stems, comple tely rule out
th e interaction of vehicle sy stems with electronic
medical aids such as cardiac pacemakers. General no
tes33

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