2019 MERCEDES-BENZ GLS SUV tow

Function/notes ............................. 189
Important safety notes .................. 189
Problems (malfunctions) ................ 192
Sensor range ................................
.190
Towing a trailer .............................. 189
Warning displa y............................. 191
Parking assistance
see Driving system
Parking brake
Applying automaticall y................... 159
Applying or releasing manually ...... 159
Display message ............................ 248
Electric parking brake .................... 159
Emergency braking ........................ 160
General notes ................................ 159
Releasing automaticall y................. 160
Warning lamp ................................. 282
Parking lamps
Switching on/of f........................... 116
PASSENGER AIR BAG
Display message ............................ 255
Indicator lamps ................................ 45
Problem (malfunction) ................... 255
Pets in the vehicle ............................... 65
Phone book
see also Digital Operator's Man-
ual .................................................. 287
Plastic trim (cleaning instruc-
tions) .................................................. 332
Power locks ......................................... 84
Power washers .................................. 327
Power windows
see Side windows
PRE-SAFE ®
(anticipatory occupant
protection)
Display message ............................ 252
Operation ......................................... 58
PRE-SAFE ®
PLUS (anticipatory
occupant protection PLUS)
Display message ............................ 252
Operation ......................................... 59
Protection against theft
ATA (Anti-Theft Alarm system) ......... 75
Immobilizer ...................................... 75
Protection of the environment
General notes .................................. 27 Pulling away
Automatic transmission ................. 143
General notes ................................ 143
Hill start assist ............................... 143
Trailer ............................................ 143 Q
QR code Mercedes-Benz Guide App ................. 1
Rescue card ..................................... 32
Qualified specialist workshop ........... 31 R
RACE TIMER (on-board computer,
Mercedes-AMG vehicles) .................. 243
Radiator cover ................................... 322
Radio
Selecting a station ......................... 236
Radio mode
see also Digital Operator's Man-
ual.................................................. 287
Radio-controlled devices (instal-
ling) ..................................................... 320
Radio-wave reception/transmis-
sion in the vehicle
Declaration of conformity ................ 30
REACH Regulation ............................... 31
Reading lamp ..................................... 119
Rear bench seat
Folding forwards/back .................. 299
Rear compartment
Exit/entry position (3rd row of
seats) ............................................. 103
Setting the air vents ...................... 137
Setting the temperature ................ 132
Rear fog lamp
Display message ............................ 257
Switching on/of f........................... 116
Rear Seat Entertainment System
AUX jacks ...................................... 294
AUX jacks CD/DVD drive .............. 294
Rear seats
Adjusting ....................................... 101
Display message ............................ 272
Rear view camera
Cleaning instructions ..................... 330 Index
17

Changing the programmin
g .............79
Checking the battery ...................... .80
Convenience opening feature .......... 90
Display message ............................ 273
Door central locking/unlocking ...... .77
Important safety notes .................... 77
KEYLESS-GO start function .............. 79
Loss .................................................81
Mechanical key ................................ 79
Overview .......................................... 77
Positions (ignition lock) ................. 140
Problem (malfunction) ..................... 81
Starting the engine ........................ 142
Smartphone
Starting the engine ........................ 142
SMS
see also Digital Operator's Man-
ual .................................................. 287
Snow chains
Information .................................... 354
Sockets
Center console .............................. 307
General notes ................................ 307
Luggage compartment ...................3 08
Rear compartment ......................... 307
Sound
Switching on/off ........................... 288
Special seat belt retractor .................. 60
Specialist workshop ............................ 31
Speed, controlling
see Cruise control
Speedometer
Digital ............................................ 234
In the Instrument cluster ................. 37
Segments ...................................... 230
Selecting the display unit .............. .240
Standing lamps
Display message ............................ 257
Switching on/off ........................... 116
Start/Stop button
Starting the engine ........................ 142
Start/stop function
see ECO start/stop function
Starting (engine) ................................ 141
STEER CONTROL .................................. 75
Steering
Display message ............................ 272 Steering wheel
Adjusting (electrically) ................... 108
Adjusting (manually) ...................... 108
Button overview ............................... 38
Buttons (on-board computer) ......... 231
Cleaning ......................................... 332
Important safety notes .................. 108
Steering wheel heating .................. 109
Storing settings (memory func-
tion) ............................................... 113
Steering wheel heating
Problem (malfunction) ................... 109
Switching on/of f........................... 109
Steering wheel paddle shifters ........ 152
Stopwatch (RACETIMER) ................... 243
Stowage areas ................................... 295
Stowage compartments
Armrest (under) ............................. 296
Center console .............................. 297
Center console (rear) ..................... 297
Cup holders ................................... 303
Eyeglasses compartment ............... 297
Glove box ....................................... 296
Important safety information ......... 295
Stowage net ................................... 297
Stowage net ....................................... 297
Summer tires
In winter ........................................ 354
Sun visor ............................................ 305
Suspension setting
AIRMATIC ...................................... 185
AMG adaptive sport suspension
system ........................................... 188
Suspension tuning
SETUP (on-board computer,
Mercedes-AMG vehicles) ............... 243
SUV
(Sport Utility Vehicle) ....................... 30
SVHC (Substances of Very High
Concern) ............................................... 31
Switching air-recirculation mode
on/off ................................................. 135
Switching on media mode
Via the device list .......................... 293 T
Tachometer ........................................ 23020
Index

Display message ............................ 268
Distribution of the vehicle occu-
pants (definition) ............................ 372
DOT (Department of Transporta-
tion) (definition) ............................. 370
DOT, Tire Identification Number
(TIN) ............................................... 370
GAWR (Gross Axle Weight Rating)
(definition) .................................... .371
GTW (Gross Trailer Weight) (defi-
nition) ............................................ 371
GVW (Gross Vehicle Weight) (def-
inition) .......................................... .371
GVWR (Gross Vehicle Weight Rat-
ing) (definition) .............................. 371
Important safety notes .................. 352
Increased vehicle weight due to
optional equipment (definition) ...... 371
Information on driving .................... 352
Kilopascal (kPa) (definition) ........... 371
Labeling (overview )........................ 367
Load bearing index (definition) ...... 372
Load index ..................................... 369
Load index (definition) ................... 371
M+S tire s....................................... 354
Maximum load on a tire (defini-
tion) ............................................... 371
Maximum loaded vehicle weight
(definition) ..................................... 371
Maximum permissible tire pres-
sure (definition) ............................. 371
Maximum tire load ......................... 369
Maximum tire load (definition) ....... 371
MOExtended tire s.......................... 353
Optional equipment weight (defi-
nition) ............................................ 372
PSI (pounds per square inch) (def-
inition) ........................................... 372
Replacing ....................................... 372
Service life ..................................... 353
Sidewall (definition) ....................... 372
Snow chains .................................. 354
Speed rating (definition) ................ 371
Storing ........................................... 373
Structure and characteristics
(definition) ..................................... 370
Summer tires in winter .................. 354
Temperature .................................. 366 TIN (Tire Identification Number)
(definition) ..................................... 372
Tire bead (definition) ...................... 372
Tire pressure (definition) ................ 372
Tire pressures (recommended) ...... 371
Tire size (data) ............................... 377
Tire size designation, load-bearing
capacity, speed rating .................... 367
Tire tread ....................................... 353
Tire tread (definition) ..................... 372
Total load limit (definition) ............. 372
Traction ......................................... 366
Traction (definition) ....................... 372
Tread wear ..................................... 366
TWR (permissible trailer drawbar
noseweight) (definition) ................. 372
Uniform Tire Quality Grading
Standards ...................................... 366
Uniform Tire Quality Grading
Standards (definition) .................... 370
Wear indicator (definition) ............. 372
Wheel and tire combination ........... 377
Wheel rim (definition) .................... 371
see Flat tire
Tool
see Vehicle tool kit
Top Tether ............................................ 63
Tow-starting
Emergency engine starting ............ 349
Important safety notes .................. 346
Towing
Permitted towing methods ............ 347
Towing a trailer
Axle load, permissibl e.................... 392
Cleaning the trailer tow hitch ......... 331
Coupling up a traile r...................... 224
Decoupling a trailer ....................... 226
Driving tip s.................................... 222
Important safety notes .................. 221
Installing the ball coupling ............. 223
Lights display message .................. 257
Mounting dimensions .................... 392
Parking Assist PARKTRONIC .......... 189
Power supply ................................. 227
Pulling away with a traile r.............. 143
Removing the ball coupling ............ 226
Trailer load s................................... 392 22
Index

Towing away
Important safety guidelines ........... 346
Installing the towing eye ................ 347
Notes for 4MATIC vehicles ............ 349
Removing the towing eye ............... 347
Transporting the vehicle ................ 348
With both axles on the ground ....... 347
Towing eye ......................................... 335
Traffic reports
see also Digital Operator's Man-
ual .................................................. 287
Traffic Sign Assist
Activating/deactivating the warn-ing function .................................... 238
Display message ............................ 264
Function/note s............................. 206
Important safety notes .................. 206
Instrument cluster display ............. 206
Trailer coupling
see Towing a trailer
Trailer loads and drawbar nose-
weights ............................................... 226
Trailer towing
Active Blind Spot Assist ................. 212
Active Lane Keeping Assist ............ 215
Blind Spot Assist ............................ 208
Permissible trailer loads and
drawbar noseweights ..................... 226
Transfer case ..................................... 155
Transmission
see Automatic transmission
Transmission position display ......... 149
Transporting the vehicle .................. 348
Traveling uphill
Brow of hill ..................................... 170
Driving downhill ............................. 170
Maximum gradient-climbing capa-
bility ............................................... 170
Trim pieces (cleaning instruc-
tions) .................................................. 332
Trip computer (on-board com-
puter) .................................................. 233
Trip odometer
Calling up ....................................... 233
Resetting (on-board computer) ...... 234
Trunk
see Tailgate Turn signals
Display message ............................ 257
Replacing bulbs (front) ................... 122
Switching on/of f........................... 116
Two-way radio
Frequencies ................................... 382
Installation ..................................... 382
Transmission output (maximum) .... 382
TWR (Tongue Weight Rating) (defi-
nition) ................................................. 372
Type identification plate
see Vehicle identification plate U
Unlocking Emergency unlocking ....................... 84
From inside the vehicle (central
unlocking button) ............................. 83
Upshift indicator (on-board com-
puter, Mercedes-AMG vehicles) ....... 242
USB devices
Connecting to the Media Inter-
face ............................................... 294 V
Vanity mirror (in the sun visor) ........ 305
Vehicle
Correct use ...................................... 31
Data acquisition ............................... 32
Display message ............................ 270
Equipment ....................................... 28
Individual settings .......................... 240
Limited Warranty ............................. 32
Loading .......................................... 362
Locking (in an emergency) ............... 84
Locking (SmartKey) .......................... 77
Lowering ........................................ 377
Maintenance .................................... 29
Operating safety .............................. 30
Parking .......................................... 158
Parking for a long period ................ 160
Pulling away ................................... 143
Raising ........................................... 374
REACH Regulation ........................... 31
Reporting problems ......................... 32
Securing from rolling away ............ 374 Index
23

Towing away ..................................3
46
Transporting .................................. 348
Unlocking (in an emergency) ........... 84
Unlocking (SmartKey) ..................... .77
Vehicle data ................................... 389
Vehicle battery
see Battery (vehicle)
Vehicle data ....................................... 389
Vehicle data (off-road driving)
Approach/departure angle ............ 391
Maximum gradient climbing abil-
ity .................................................. 392
Maximum water depth ................... 390
Vehicle dimensions ........................... 389
Vehicle emergency locking ................ 84
Vehicle identification number
see VIN
Vehicle identification plate .............. 383
Vehicle level
AIRMATIC ...................................... 187
Vehicle level (display message) ....... 261
Vehicle tool kit .................................. 335
Video
Operating the DVD .........................2 36
see also Digital Operator's Man-
ual ................................................. .287
VIN ...................................................... 383
Seat ............................................... 384
Type plate ...................................... 383 W
Warning and indicator lamps ABS ................................................ 277
Brakes .......................................... .276
Coolant .......................................... 283
Distance warning ........................... 285
Engine diagnostics ......................... 282
ESP ®
.............................................. 279
ESP ®
OFF ....................................... 280
Fuel tank ........................................ 282
Overview .......................................... 37
Parking brake ................................ 282
PASSENGER AIR BAG ..................... .45
Reserve fuel .................................. .282
Restraint system ............................ 282
Seat belt ........................................ 275
Tire pressure monitor .................... 286 Warranty
.............................................. 28
Washer fluid
Display message ............................ 273
Weather display (COMAND)
see also Digital Operator's Man-
ual.................................................. 287
Wheel and tire combinations
Tires ............................................... 377
Wheel bolt tightening torque ........... 377
Wheel chock ...................................... 374
Wheels
Changing a whee l.......................... 372
Checking ........................................ 352
Cleaning ......................................... 329
Emergency spare wheel ................. 378
Important safety notes .................. 352
Information on driving .................... 352
Interchanging/changing ................ 372
Mounting a new whee l................... 376
Mounting a whee l.......................... 373
Overview ........................................ 352
Removing a whee l.......................... 375
Snow chains .................................. 354
Storing ........................................... 373
Tightening torque ........................... 377
Wheel size/tire size ....................... 377
Window curtain air bag
Display message ............................ 254
Operation ......................................... 51
Windows
see Side windows
Windshield
Defrosting ...................................... 133
Infrared reflective .......................... 320
Windshield washer fluid
see Windshield washer system
Windshield washer system
Adding washer fluid ....................... 324
Important safety notes .................. 388
Windshield wipers
Problem (malfunction) ................... 124
Rear window wipe r........................ 123
Replacing the wiper blades ............ 123
Switching on/of f........................... 122
Winter driving
Slippery road surfaces ................... 165
Winter operation
Overview ........................................ 354 24
Index

These devices may not cause harmful interfer-
ence, and 2) These devices must accept any
interference received, including interference
that may cause undesired operation. Changes
or modifications not expressly approved by the
party responsible for compliance could void the
user’s authority to operate the equipment."
Canada: "The wireless devices of this vehicle
comply with Industry Canada license-exempt
RSS standard(s). Operation is subject to the fol-
lowing two conditions: (1) These devices may
not cause interference, and (2) These devices
must accept any interference, including inter-
ference that may cause undesired operation of
the device." Diagnostics connection
The diagnostics connection is only intended for
the connection of diagnostic equipment at a
qualified specialist workshop. G
WARNING
If you connect equipment to a diagnostics
connection in the vehicle, it may affect the
operation of vehicle systems. As a result, the operating safety of the vehicle could be affec-
ted. There is a risk of an accident.
Only connect equipment to a diagnostics con-
nection in the vehicle, which is approved for
your vehicle by Mercedes-Benz. G
WARNING
Objects in the driver's footwell can restrict the pedal travel or obstruct a depressed pedal.
The operating and road safety of the vehicle is
jeopardized. There is a risk of an accident.
Make sure that all objects in the vehicle are
stowed correctly, and that they cannot enter
the driver's footwell. Install the floormats
securely and as specified in order to ensure
sufficient clearance for the pedals. Do not use loose floormats and do not place floormats on
top of one another.
! If the engine is switched off and equipment
on the diagnostics connection is used, the
starter battery may discharge.
Connecting equipment to the diagnostics con-
nection can lead to emissions monitoring infor- mation being reset, for example. This may lead
to the vehicle failing to meet the requirements of
the next emissions test during the main inspec-
tion. Qualified specialist workshop
An authorized Mercedes-Benz Center is a quali-
fied specialist workshop. It has the necessary
specialist knowledge, tools and qualifications to correctly carry out the work required on your
vehicle. This is especially the case for work rel-
evant to safety.
Always have the following work carried out at an authorized Mercedes-Benz Center:
R work relevant to safety
R service and maintenance work
R repair work
R alterations, installation work and modifica-
tions
R work on electronic components Correct use
If you remove any warning stickers, you or oth-
ers could fail to recognize certain dangers.
Leave warning stickers in position.
Observe the following information when driving your vehicle:
R the safety notes in this manual
R the vehicle technical data
R traffic rules and regulations
R laws and safety standards pertaining to motor
vehicles Information about the REACH decree
The REACH regulation (Regulation (EC) no.
1907/2006, Article 33) lays down an informa-
tion obligation for substances of very high con-
cern (SVHC).
Daimler AG acts in good faith to avoid using
these SVHCs and to allow the customer to han- dle these substances safely. In accordance with
supplier information and internal product infor-
mation from Daimler AG, SVHCs that account
for more than 0.1 percent by weight of individual products in this vehicle are known. Operating safety
31Introduction Z

Center console, lower section
i
Vehicles with the Off-Road Engineering
package Function Page
0043
Stowage compartment 297
Cup holder 303
Ashtray 306
Cigarette lighter 307
Socket 307
0044
Selector wheel for level con-
trol
180
0087
00C6
DSR (Downhill Speed
Regulation) 215
0085
008D
Manual gearshifting
(permanent setting) 152
0083
DYNAMIC SELECT controller 147
0084
Stowage compartment with
Media Interface
296 Function Page
006B
Touchpad; see Digital Opera-
tor's Manual 006C
0038
Back button (see the
Digital Operator's Manual) 006D
Multimedia system control-
ler; see Digital Operator's
Manual 006E
007D
Switches to the favor-
ites button (see the Digital
Operator's Manual) 006F
Switches to the vehicle set-
tings display (see the Digital
Operator's Manual)
0070
002E
LOW RANGE off-road
gear 21840
Center consoleAt a glance

i
Vehicles with the AIRMATIC package and
Mercedes-AMG vehicles Function Page
0043
Stowage compartment 297
Cup holder 303
Ashtray 306
Cigarette lighter 307
Socket 307
0044
00C6
DSR (Downhill Speed
Regulation) 215
0087
008D
Manual gearshifting
(permanent setting) 152
0085
DYNAMIC SELECT controller 147
0083
Stowage compartment with
Media Interface
296
0084
Touchpad; see Digital Opera-
tor's Manual Function Page
006B
0038
Back button (see the
Digital Operator's Manual) 006C
Multimedia system control-
ler; see Digital Operator's
Manual
006D
007D
Switches to the favor-
ites button (see the Digital
Operator's Manual) 006E
Switches to the vehicle set-
tings display (see the Digital
Operator's Manual)
AMG adaptive sport suspen-
sion system (Mercedes-AMG
vehicles)
188
006F
00C4
Level control 187Center console
41At a glance