2019 MERCEDES-BENZ GLS SUV Owner's Manual

GLS
Operator's ManualMercedes-Benz
Your Operator's Manual
Digital form inside the vehicle
Familiarize yourself with the contents of the Operator's Manual directly via your
vehicle's multimedia system (Menu item "Vehicle").
Booklet inside the vehicle
In addition to the vehicle's Operator's Manual, you can obtain the complete multi-
media system Supplement from your authorized Mercedes-Benz Center.
Digital form via the Internet
You can find the Operator's Manual on the Mercedes-Benz homepage.
Digital form as an App
The Mercedes-Benz Guides App is available for free on the Apple
®
App store or Google
Play.
Apple® iOS Android™
Order no. P166 0594 13 Part no. 166 584 05 10 Edition B 2019É1665840510/ËÍ
1665840510GLS Operator's Manual

Publication details
Internet
Further information about Mercedes-Benz vehi-
cles and about Daimler AG can be found on the
following websites:
http://www.mbusa.com (USA only)
http://www.mercedes-benz.ca (Canada only) Editorial office
You are welcome to forward any queries or sug- gestions you may have regarding this Operator's
Manual to the technical documentation team at the following address:
Customer Assistance Center
Mercedes-Benz USA, LLC
One Mercedes-Benz
Sandy Springs, GA 30328 © Daimler AG: not to be reprinted, translated or
otherwise reproduced, in whole or in part, with-
out written permission from Daimler AG. Vehicle manufacturer
Daimler AG
Mercedesstraße 137
70327 Stuttgart
Germany
Symbols
Registered trademarks:
R Bluetooth ®
is a registered trademark of Blue-
tooth SIG Inc.
R DTS™ is a registered trademark of DTS, Inc.
R Dolby ®
and MLP™ are registered trademarks
of DOLBY Laboratories.
R BabySmart™, ESP ®
and PRE-SAFE ®
are reg-
istered trademarks of Daimler AG.
R HomeLink ®
is a registered trademark of John-
son Controls.
R iPod ®
and iTunes ®
are registered trademarks
of Apple Inc.
R Logic 7 ®
is a registered trademark of Harman
International Industries.
R Microsoft ®
and Windows media ®
are regis-
tered trademarks of Microsoft Corporation.
R SIRIUS ®
is a registered trademark of Sirius
XM Radio Inc.
R HD Radio™ is a registered trademark of iBiq-
uity Digital Corporation.
R Gracenote ®
is a registered trademark of
Gracenote, Inc.
R ZAGAT Survey ®
and related brands are regis-
tered trademarks of Zagat Survey, LLC.
In this Operator's Manual you will find the fol-
lowing symbols: G
WARNING
Warning notes make you aware of dangers
which could pose a threat to your health or
life, or to the health and life of others. H
Environmental note
Environmental notes provide you with infor-
mation on environmentally aware actions or
disposal.
! Notes on material damage alert you to dan-
gers that could lead to damage to your vehi-
cle.
i Practical tips or further information that
could be helpful to you.
X This symbol indicates an instruction
that must be followed.
X Several of these symbols in succession
indicate an instruction with several
steps. (Y
page)
This symbol tells you where you can find
more information about a topic.
YY This symbol indicates a warning or an
instruction that is continued on the next
page.
Dis‐ Dis‐
play play This text indicates a message on the
multifunction display/multimedia dis-
play. Example
G
WARNING
If the front passenger air bag has been acti-
vated, a child on the front passenger seat may be hit by the front passenger air bag in the
event of an accident. There is a risk of injury or
fatal injury.
NEVER use a rearward-facing child restraint
system on a seat protected by an ACTIVE
FRONT AIRBAG; DEATH or SERIOUS INJURY
to the CHILD can occur.
Read the chapter "Children in the vehicle" .
As at 27.02.2018

Welcome to the world of Mercedes-Benz
We urge you to read this Operator's Manual
carefully and familiarize yourself with the vehi-
cle before driving. For your own safety and a
longer vehicle life, follow the instructions and
warning notices in this Operator's Manual.
Ignoring them could result in damage to the
vehicle or personal injury to you or others.
Vehicle damage caused by failure to follow
instructions is not covered by the Mercedes-
Benz Limited Warranty.
The equipment or product designation of your
vehicle may vary depending on:
R Model
R Order
R Country specification
R Availability
Mercedes-Benz therefore reserves the right to
introduce changes in the following areas:
R Design
R Equipment
R Technical features
The equipment in your vehicle may therefore
differ from that shown in the descriptions and
illustrations.
The following are integral components of the
vehicle:
R Digital Operator's Manual
R Printed Operator's Manual
R Maintenance Booklet
R Equipment-dependent supplements
Keep these documents in the vehicle at all
times. If you sell the vehicle, always pass all
documents on to the new owner.
Your Operator's Manual: Digital form inside the vehicle
The Digital Operator's Manual provides
comprehensive and specifically adapted
information on your vehicle's equipment
and multimedia system. It contains infor-
mative animations, individual language
settings and an intuitive search function. Booklet inside the vehicle
In addition to this manual and the afore-
mentioned digital media, you also have the option to obtain a comprehensive printed
version of the Supplement for your multi-
media system from your authorized
Mercedes-Benz Center. Digital form via the Internet
The Operator's Manual on the Internet pro-
vides easy access to all information
regarding your vehicle and multimedia sys- tem. It also provides helpful animations,
interesting background information and a
wide array of search options. Digital form as an app
Using the Mercedes-Benz Guides app, you
can view all the information on your vehicle and multimedia system via mobile Internetor download it independently of network
access. Available for smartphones or tab-
lets.
You can also use the Mercedes-Benz Guides
app: Please note that the Mercedes-Benz Guides app
may not yet be available in your country.
Mercedes-Benz USA, LLC
Mercedes-Benz Canada, Inc.
A Daimler Company
1665840510 É1665840510/ËÍ

Index
....................................................... 4Digital Operator's Manual
..................26
Introduction .......................................... .26
Operation ............................................... 26 Introduction
......................................... 27
Protecting the environment ...................27
Genuine Mercedes-Benz parts .............. .27
Operator's Manual ................................. 28
Service and vehicle operation ................28
Operating safety .................................... 30
QR code for rescue card ........................ 32
Data stored in the vehicle ......................32
Information on copyright ....................... 35 At a glance
........................................... 36
Cockpit .................................................. 36
Instrument cluster .................................37
Multifunction steering wheel ................. 38
Center console ...................................... 39
Overhead control panel .........................42
Door control panel ................................. 43 Safety
................................................... 44
Panic alarm ............................................ 44
Occupant safety .................................... 44
Children in the vehicle ........................... 59
Pets in the vehicle ................................. 65
Driving safety systems ........................... 66
Protection against theft ........................ .75Opening and closing
...........................77
SmartKey ............................................... 77
Doors ..................................................... 83
Cargo compartment ...............................84
Side windows ......................................... 88
Sliding sunroof ....................................... 92 Seats, steering wheel and mirrors
....97
Correct driver's seat position ................ 97
Seats ..................................................... 97
Steering wheel ..................................... 108
Mirrors ................................................. 110 Memory function ................................. 113 Lights and windshield wipers
..........115
Exterior lighting ................................... 115
Interior lighting .................................... 119
Replacing bulbs (vehicles with LED
headlamps) .......................................... 120
Replacing bulbs (vehicles with halo-
gen headlamps) ................................... 120
Windshield wipers ................................ 122 Climate control
................................. 125
Overview of climate control systems ... 125
Operating the climate control sys-
tems .................................................... 131
Setting the air vents ............................ 136 Driving and parking
..........................139
Notes on breaking-in a new vehicle ..... 139
Driving ................................................. 139
DYNAMIC SELECT controller ............... 147
Automatic transmission ....................... 148
Refueling ............................................. 155
Parking ................................................ 158
Driving tips .......................................... 161
Driving systems ................................... 170
Towing a trailer .................................... 221
Bicycle rack ......................................... 227
Notes on towing vehicles ..................... 229 On-board computer and displays
....230
Important safety notes ........................ 230
Displays and operation ........................ 230
Menus and submenus ......................... 233
Display messages ................................ 245
Warning and indicator lamps in the
instrument cluster ............................... 274 Multimedia system
...........................287
General notes ...................................... 287
Important safety notes ........................ 287
Function restrictions ............................ 287
Operating system ................................ 288 2
Contents

Stowage and features
......................295
Stowage areas .....................................2 95
Features .............................................. 303 Maintenance and care
......................321
Engine compartment ........................... 321
ASSYST PLUS ...................................... 325
Care ..................................................... 326 Breakdown assistance
.....................334
Where will I find...? .............................. 334
Flat tire ................................................ 335
Battery (vehicle) .................................. 340
Jump-starting ....................................... 343
Towing and tow-starting ..................... .346
Fuses ................................................... 349 Wheels and tires
............................... 352
Important safety notes ........................ 352
Operation ............................................ 352
Winter operation .................................. 354
Tire pressure ....................................... 355
Loading the vehicle .............................. 362
All about wheels and tires ................... 366
Changing a wheel ................................ 372
Wheel and tire combinations .............. .377
Emergency spare wheel ....................... 378 Technical data
................................... 382
Information regarding technical data ... 382
Vehicle electronics .............................. 382
Identification plates ............................ .383
Service products and filling capaci-
ties ...................................................... 384
Vehicle data ......................................... 389
Vehicle data for off-road driving .......... 390
Trailer tow hitch ................................... 392 Contents
3

1, 2, 3 ...
4ETS (Electronic Traction System) see ETS/4ETS (Electronic Trac-
tion System)
4MATIC (permanent four-wheel
drive) .................................................. 215
12 V socket
see Sockets
115 V socket ...................................... 308
360° camera
Cleaning .........................................3 30
Display in the multimedia system .. 202
Function/notes ............................ .200 A
ABS (Anti-lock Braking System) Display message ............................ 246
Function/notes ................................ 66
Important safety notes .................... 66
Warning lamp ................................. 277
Accident
Automatic measures after an acci-
dent ................................................. 59
Activating media mode
General notes ................................ 293
Activating/deactivating cooling
with air dehumidification ................. 131
Active Blind Spot Assist
Activating/deactivating (on-
board computer) ............................ 239
Display message ............................ 265
Function/informatio n.................... 210
Trailer towing ................................. 212
Active Brake Assist
Activating or deactivating .............. 239
Display message ............................ 251
Function/note s................................ 67
Active Brake Assist with cross-
traffic function
Activating or deactivating .............. 239
Display message ............................ 252
Function/note s................................ 72
Important safety notes .................... 73
Warning lamp ................................. 285
Active Curve System
Display message ............................ 262 Function/note
s............................. 186
Active Distance Assist DISTRONIC
Activating ....................................... 174
Activation conditions ..................... 174
Cruise control lever ....................... 174
Deactivating ................................... 177
Display message ............................ 266
Displays on the instrument clus-
ter .................................................. 178
Driving tips .................................... 178
Function/note s............................. 172
Important safety notes .................. 173
Setting the specified minimum
distance ......................................... 177
Stopping ........................................ 176
Warning lamp ................................. 285
Active Lane Keeping Assist
Activating/deactivating (on-
board computer) ............................ 239
Display message ............................ 264
Function/information .................... 212
Trailer towing ................................. 215
Active light function ......................... 117
Active Parking Assist
Canceling ....................................... 196
Detecting parking spaces .............. 193
Display message ............................ 265
Exiting a parking space .................. 195
Function/note s............................. 192
Important safety notes .................. 192
Parking .......................................... 194
Active Steering Assist
Activating/deactivating ................. 238
Display message ............................ 267
ADAPTIVE BRAKE ................................. 72
Adaptive Damping System
Function/note s............................. 188
Adaptive Highbeam Assist
Display message ............................ 258
Function/note s............................. 118
Switching on/of f........................... 118
Additives (engine oil) ........................ 387
Address book
see also Digital Operator's Man-
ual .................................................. 287
Adjusting the volume
Multimedia system ........................ 288 4
Index

ADS (Adaptive Damping System)
Function/notes ............................ .185
Air bags
Deployment ..................................... 56
Display message ............................ 255
Front air bag (driver, front
passenger) ....................................... 50
Important safety notes .................... 49
Introduction ..................................... 49
Knee bag .......................................... 50
Occupant Classification System
(OCS) ............................................... 51
PASSENGER AIR BAG indicator
lamps ............................................... 45
Side impact air bag .......................... 51
Window curtain air bag .................... 51
AIR FLOW .......................................... .132
Air vents
Glove box ....................................... 136
Important safety notes .................. 136
Rear ............................................... 137
Setting .......................................... .136
Setting the center air vents ........... 136
Setting the side air vents .............. .136
Air-conditioning system
see Climate control
AIRMATIC package
ADS (Adaptive Damping System) ... 185
Function/notes ............................ .185
Alarm
ATA (Anti-Theft Alarm system) ......... 75
Switching off (ATA) .......................... 75
Switching the function on/off
(ATA) ................................................ 75
Alarm system
see ATA (Anti-Theft Alarm system)
AMG
Adaptive sport suspension sys-
tem ................................................ 188
AMG menu (on-board computer) ..... 242
Anti-lock braking system
see ABS (Anti-lock Braking System)
Anti-skid chains
see Snow chains
Anti-theft alarm system
see ATA (Anti-Theft Alarm system)
Approach/departure angle .............. 169
Ashtray ............................................... 306 Assistance display (on-board com-
puter)
................................................. .238
Assistance menu (on-board com-
puter) ................................................. .238
ASSYST PLUS
Displaying a service message ....... .325
Hiding a service message .............. 325
Resetting the service interval dis-
play ................................................ 325
Service message ............................ 325
Special service requirements ......... 325
ATA (Anti-Theft Alarm system)
Activating/deactivating ................... 75
Function .......................................... .75
Switching off the alarm .................... 75
ATTENTION ASSIST
Activating/deactivating ................. 239
Display message ............................ 261
Function/note s............................. 204
Audio menu (on-board computer) .... 236
Authorized Mercedes-Benz Center
see Qualified specialist workshop
Authorized workshop
see Qualified specialist workshop
AUTO lights
Display message ............................ 257
see Lights
Automatic car wash (care) ............... 326
Automatic engine start (ECO start/
stop function) .................................... 145
Automatic engine switch-off (ECO
start/stop function) .......................... 144
Automatic headlamp mode .............. 115
Automatic transmission
Accelerator pedal position ............. 150
Changing gear ............................... 150
DIRECT SELECT lever ..................... 148
Display message ............................ 270
Drive program ................................ 151
Drive program display .................... 149
Driving tips .................................... 150
DYNAMIC SELECT controlle r......... 147
Emergency running mode .............. 155
Engaging drive position .................. 149
Engaging neutral ............................ 149
Engaging park position automati-
cally ............................................... 148 Index
5

Engaging reverse gear ................... 148
Engaging the park position ............ 148
Important safety note
s.................. 148
Kickdown ....................................... 151
Manual shifting .............................. 152
Oil temperature (on-board com-
puter, Mercedes-AMG vehicles) ..... 242
Overview ........................................ 148
Problem (malfunction) ................... 155
Pulling away ................................... 143
Starting the engine ........................ 142
Steering wheel paddle shifters ...... 152
Trailer towing ................................. 151
Transmission position display ........ 149
Transmission positions .................. 150
Automatic transmission emer-
gency mode ....................................... 155
AUX jacks
CD/DVD drive ............................... 294
Axle load, permissible (trailer tow-
ing) ...................................................... 392 B
Back button ....................................... 288
Bag hook ............................................ 300
Ball coupling
Installing ........................................ 223
Removing ....................................... 226
BAS (Brake Assist System) ................. 67
Battery (SmartKey)
Checking .......................................... 80
Important safety notes .................... 80
Replacing ......................................... 80
Battery (vehicle)
Charging ........................................ 342
Display message ............................ 259
Important safety notes .................. 340
Jump starting ................................. 343
Overview ........................................ 340
Replacing ....................................... 343
Belt
see Seat belts
Belt warning ......................................... 48
Bicycle rack ....................................... 227
Blind Spot Assist
Activating/deactivating ................. 239
Display message ............................ 265 Notes/function .............................. 207
Trailer towing ................................. 208
see Active Blind Spot Assist
Bluetooth ®
Searching for a mobile phone ........ 291
Searching for a mobile phone
(device manager) ........................... 292
see also Digital Operator's Man-
ual .................................................. 287
Telephony ...................................... 291
Brake Assist System
see BAS (Brake Assist System)
Brake fluid
Display message ............................ 251
Notes ............................................. 387
Brake force distribution
see EBD (electronic brake force
distribution)
Brake lamps
Display message ............................ 257
Brake linings
Display message ............................ 251
Brakes
ABS .................................................. 66
BAS .................................................. 67
Brake fluid (notes) ......................... 387
Braking assistance appropriate to
the situation ..................................... 69
Display message ............................ 246
High-performance brake system .... 164
Hill start assist ............................... 143
Important safety notes .................. 163
Maintenance .................................. 164
Parking brake ................................ 159
Riding tips ...................................... 163
Warning lamp ................................. 276
Braking assistance appropriate to
the situation
Function/note s................................ 69
Breakdown assistance
Where will I find...? ........................ 334
see Flat tire
see Towing away
Brightness control (instrument
cluster lighting) ................................... 37
Bulbs
see Replacing bulbs 6
Index