2019 MERCEDES-BENZ GLS SUV service

Disclaimer
Das folgen de PDF -Doku ment für die ses Fahrze ugmodell be zieht sich in allen
Sprachver sionen nur auf die Fahrz euge, d ie fü r den deutsche n Markt best immt
sind und die den deutschen Vorschriften entsprechen. Bitte wenden Sie sich an
Ihr en autorisierten Mer cedes-Benz Services tützpunkt, um ein gedruckt es Exem plar
für andere Fahrzeugmodelle und Fahrzeugmodelljahre zu erhalten.
Dieses PDF -Dokume nt stellt die aktuelle Version dar . Mögliche Abweic hungen zu
Ihrem konkreten Fahrzeug könnten nicht berücksichtigt sein, da Mercedes-Benz
seine Fahrzeuge st ändig dem neuest en Stand d er Technik anp asst, so wie
Änderungen in Form und Ausstattung vornimmt. Bitte beachten Sie daher, dass
dieses PDF-Dokument in keinem Fall das gedruckte Exemplar ersetzt, das mit
dem Fahrzeug ausgeliefert wurde.
Internal use only
Disclaimer
All language versions of the following PD\f document for this vehicle model
relate solel\b to vehicles intended for sale on the German market and which
correspond to German regulations.
Please contact \bour authorised Mercedes-Benz Service Centre to obtain
a printed version for other vehicle models and vehicle model \bears. This PD\f
document is the latest version. Possible variations to \bour vehicle ma\b not
be taken into account as Mercedes-Benz constantl\b updates their vehicles to
the state of the art and introduces changes in design and e\Dquipment. Please
therefore note that this PD\f document in no wa\b replaces the printed version
which was delivered with \bour vehicle.
Internal use only
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
as Mercedes-Benz constantly adapts its vehicles according to the latest
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.
Copyright
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and other laws for the protection of intellectual property. They may not be
copied or changed for any commercial use or for the purpose of being passed
on nor used on other websites.

We
lcome totheworl d of 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, follow the instructions and warning
notices in this Owner's Manual. Disregarding
th em may lead todamage totheve hicle or per‐
sonal injur y.
The equipment or model designation of your
ve hicle may vary according to:
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 co mponents and contro l 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 are integral parts of theve 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.
1675841303Z102
1675841303Z102

Infrared-reflective windscreen function .......
174Climate control
......................................... 175
Overview of climate contro l systems ..........1 75
Operating the climate control sy stem ......... 17 7 Driving and pa
rking ................................. 18 9
Driving ........................................................ 189
DY NA MIC SELECT switch ........................... 203
Au tomatic transmission .............................. 205
Tr ans fer case .............................................. 210
Fu nction of the 4MATIC ...............................2 11
Re fuelling .................................................... 212
Pa rking ........................................................ 218
Driving and driving sa fety sy stems .............2 28
Tr ailer hit ch................................................. 311
Bicycle rack ................................................ 316
Ve hicle towing instructions ........................ .318 Instrument Display and on-board
compu ter................................................... 319
Instrument display overview ...................... .319 Overview of
the buttons on thesteering
wheel ..........................................................3 20
Operating the on-board computer .............. 320
Ad justing the design of the instrument
display ........................................................ 322
Showing display conte nt onthe instru‐
ment clus ter ............................................... 322
Overview of displa yson the multifunc‐
tion display .................................................3 24
Ad justing the instrument lighting ................3 24
Menus and submenus ................................ 325
Head-up Display ......................................... 332 LINGU
ATRO NIC ........................................ 333
No tes on operating saf ety .......................... 333
Ope ration ................................................... 333
Using LINGU ATRO NIC ef fectively ............... 336
Essential voice commands ........................ .337 MBUX multimedia sy
stem ...................... 352
Overview and operation .............................. 352
Sy stem settings .......................................... 388
Fit & Healt hy............................................... 399
Na vigation .................................................. 405 Te
lephone .................................................. .450
Online and Internet functions ..................... 487
Media ........................................................ .496
Ra dio .......................................................... 504
TV ............................................................... 507
Sound ......................................................... 51 5
MBUX rear tablet ........................................ 519
Re ar Seat En tertainment Sy stem ................5 21 Maintenance and care
.............................531
ASS YST PLUS service inter val display ........ .531
Engine compartment .................................. 532
Cleaning and care ....................................... 538 Breakdown assistance
............................549
Emergency ................................................. .549
Flat tyre ...................................................... 550
Battery (vehicle) ......................................... 557
To w- starting or towing away ....................... 562
Electrical fuses ........................................... 567 Contents
3

1
Sun visors →
173
2 p Switches the left-hand reading lamp
on/off →
16 4
3 | Switches au tomatic light control on/off →
16 4
4 c Switches the front interior lighting
on/off →
16 4
5 u Switches there ar interior lighting
on/off →
16 4
6 p Switches theright-hand reading lamp
on/off →
16 4 7
Service call button (Me rcedes me connect) →
477
8 SOS emergency call sy stem (Mercedes-Benz
emer gency call sy stem) →
477
9 3 Opens/closes the panorama sliding
sunroof →
103
Opens/closes thero ller sunblinds →
103
A Spectacles compa rtment (depending on the
ve hicle's equipment) →
13 5
B Inside rearview mir ror →
171 At
aglance – Overhead control panel 13

Pr
otection of the environment
+ ENVIRONMENTAL
NOTEEnvironmental
dama gedue tooperating conditions and
personal driving style The pollutant emission of
your vehicle is
directly related tothewa yyo u operate your
ve hicle.
Help toprotect the environment byoperating
yo ur vehicle in an environmentally responsi‐
ble manner. 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. +
ENVIRONMEN
TALNO TEEnvironmental
pollution caused byirre sponsible dis‐
posal of the high-voltage battery A high-voltage battery conta
ins materials
which are harmful tothe environment. #
Dispose of faulty high-voltage bat teries
at a qualified specialist workshop. 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- 22
General no tes

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.
Alw ays specify theve hicle identification number
(VIN) (/ page 595) when ordering Mercedes-
Benz Genuine Parts. 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 accident due tomal‐
functions or sy stem failures
If yo u do not ha vethe prescribed service/
maintenance workor any requ ired repairs
car ried out, this could result in malfunctions
or sy stem failures. #
Alw ays ha vethe prescribed service/
maintenance workas well any required
re pairs car ried out at a qualified spe‐
cialist workshop. &
WARNING Risk of accident and inju ryas
a re sult of incor rect modifications to
electronic component parts
Modification toelectronic components, their
software or wiring could impair their function
and/or the function of other networ ked com‐
ponent parts. In particular, sy stems releva nt
to saf ety could also be af fected.
As a result, they may no longer function as
intended and/or endanger the operating
saf ety of theve hicle. #
Neverta mp er with the wiring and elec‐
tronic component parts or their soft‐
wa re. #
You should ha veall workon electrical
and electronic components car ried out
at a qualified 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". 24
General no tes

#
Neverto uch damaged co mponent parts
of high-voltage components. #
Neverto uch co mponent parts of high-
vo ltage components af ter an accident. 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 The
following information applies toall compo‐
nents of theve hicle and the information sy stems
and communication devices integrated into the
ve hicle which recei veand/or transmit radio
wav es:
The components of this vehicle that recei ve
and/or transmit radio wav es are compliant with
th e basic requ irements and all other releva nt
conditions of Directi ve2014 /53/EU. You can
obtain fur ther information from a Mercedes-Benz
Service Centre.
Subsequentl y,yo u will find the addresses of the
manufacturers of wireless components, the
addresses can not be displa yed on the equip‐
ment due toits size or nature. Ty
re pressure moni toring sensors
Schrader Elect ronics Ltd., 11Tech nology Park,
Belfast Road, Antrim BT41 1QS, Northern Ireland
Re mo telocking sy stem
Marquardt GmbH, Schloßstraße 16,78 604 Rie‐
th eim, Germany
Huf Hülsbeck & Für stGmbH & Co. KG,St eeger
St raße 17, 425 51Velbert, Germany
Hella KGaA Hueck & Co., Rixbe cker Straße 75,
59552 Lipp stadt, Germany
Re mo telocking sy stem control unit
Marquardt GmbH, Schloßstraße 16,78 604 Rie‐
th eim, Germany
Leopold Kostal GmbH & Co. KG, Hauert 11 ,
44 227 Dortmund, Germany
Continental Automotive GmbH, Siemens‐
st ra ße 12, 93055 Regensbu rg, Germany
Aeri al modules
Hirschmann Car Communication GmbH,
St utt garter Straße 45-51 ,72 654 Nec kartenzlin‐
ge n, Ge rmany 26
General no tes

#
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 equipment
tothe diagnostics con‐
nection can lead toemissions monitoring infor‐
mation being reset, forex ample. This may lead
to theve hicle failing tomeet therequ irements of
th e 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 particularly applies 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
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. Gene
ral no tes 31