2023 MERCEDES-BENZ GLS Owners Manual

Surround sound systemInformation............................................ 336
Suspension Adjusting the vehicle level (E-ACTIVE
BODY CONTROL)................................... 258
AIRMATIC.............................................. 248
E-ACTIVE BODY CONTROL..................... 254
Individual wheel control (E-ACTIVE
BODY CONTROL)................................... 258
Rocking free mode (E-ACTIVE BODY
CONTROL)............................................. 257
Setting entering/exiting level (AIR-
MATIC)................................................... 253
Setting the suspension level (AIR-
MATIC)................................................... 250
Switch-oM delay time
From outside.......................................... 155
Interior................................................... 157
Switching air-recirculation mode on/oM....... 169
Synchronization function Activating/deactivating (control panel)... 169
System settings Language setting.................................... 303
MBUX reset function.............................. 304System updates ........................................... 300
T
Tailgate Closing.................................................... 80
Emergency key......................................... 85
Emergency release................................... 84 HANDS-FREE ACCESS............................. 83
Limiting the opening angle....................... 84
Opening................................................... 79
Opening dimensions.............................. 420
Tank content Fuel....................................................... 415
Reserve................................................. 415
Technical data Axle load (trailer operation).................... 426
Component-speciNc information............ 410
Information............................................ 408
Regulatory radio identiNcation................ 410
Regulatory radio identiNcation !

ThemesFastening............................................... 299
Third row of seats Folding back the backrest on the thirdrow of seats........................................... 133
Folding the backrest on the third row of seats forwards................................... 133Getting in/out........................................ 105
TIN (Tire *dentiNcation Number).................... 386
Tire and Loading Information placard ............ 380
Tire characteristics ....................................... 388
Tire information table ................................... 380
Tire labeling Characteristics....................................... 388
DOT, Tire *dentiNcation Number (TIN)..... 386
Load index............................................. 388
Load-bearing capacity............................ 388
Maximum tire load................................. 387
Maximum tire pressure.......................... 387
Size designation..................................... 388 Speed rating.......................................... 388
Temperature grade................................. 385
Tire Quality Grading............................... 385
Traction grade........................................ 385Tread wear grade................................... 385
Tire pressure Checking............................................... 379
Checking manually................................. 378
Maximum............................................... 387
Tire pressure table................................. 377
TIREFIT kit.............................................. 357
Tire pressure monitor Function................................................ 378
Tire pressure monitoring system Restarting.............................................. 380
Tire pressure table ....................................... 377
Tire Quality Grading ...................................... 385
Tire sealant .................................................. 357
Tire tread ..................................................... 374
Tire-change tool ........................................... 396
Tire-change tool kit Overview................................................ 396
TIREFIT kit , Tire inOation compressor
Storage location..................................... 357
Tires Breakdown............................................. 355Characteristics....................................... 388
Checking............................................... 374
Checking the temperature...................... 379
Checking the tire pressure manually....... 378
DeNnitions ............................................. 390
DOT, Tire *dentiNcation Number (TIN)..... 386
Installing................................................ 401
Labeling................................................. 385
Load index............................................. 388
Load-bearing capacity............................ 388
Maximum pressure................................ 387
Maximum tire load................................. 387
MOExtended.......................................... 356
Noise..................................................... 374
Notes on installing................................. 392
Removing............................................... 400
Removing/installing hub cap.................. 397
Removing/installing wheel trim.............. 397
Replacing....................................... 392, 396
Rotating................................................. 395
Selection............................................... 392
Size designation..................................... 388
Snow chains.......................................... 375
Speed rating.......................................... 388
Storing................................................... 396
Temperature grade................................. 385528Index

Tire and Loading Information placard..... 380
Tire pressure table................................. 377
Tire Quality Grading............................... 385
TIREFIT kit.............................................. 357
Traction grade........................................ 385
Tread wear grade................................... 385
Unusual handling characteristics............ 374
Toll system Debiting toll fees.................................... 306
Windshield............................................. 165
Tongue weight .............................................. 425
Top Tether ...................................................... 62
Touch Control MBUX.................................................... 293
On-board computer................................ 286
Touchpad Operating.............................................. 293
Touchscreen ................................................ 293
Tow bar system Towing away.......................................... 283
Tow-away protection ...................................... 96
Tow-starting ................................................. 371Towing
Towing methods..................................... 366
Towing a trailer Active Blind Spot Assist.......................... 245
Active Lane Keeping Assist..................... 246
Notes..................................................... 279
Towing away ................................................. 367
Towing eye ................................................... 370
Towing methods ........................................... 366
Traction grade .............................................. 385
TraPc information
Activating............................................... 311
TraPc Jam Assistant , Active Stop-and-
Go Assist..................................................... 228
TraPc light data service
Display in the Instrument Display........... 241
Turning the display on/oM...................... 243
TraPc light warning/display ......................... 240
TraPc Sign Assist
Function................................................ 240
Setting................................................... 241Trailer drawbar , Pulling/towing, Tow
bar system................................................... 283
Trailer hitch Attaching the ball neck.......................... 280
Axle load................................................ 426
Care...................................................... 350
Coupling up/uncoupling a trailer............ 281
General notes........................................ 424
Tongue weight........................................ 425
Towing capacity..................................... 424
Trailer operation Attaching the ball neck.......................... 280
Coupling up/uncoupling a trailer............ 281
Trailer stabilization , ESPn
............................. 215
Transfer case HIGH RANGE......................................... 198
LOW RANGE.......................................... 198
Shising .................................................. 199
Transmission position display ....................... 194
Transmission positions DIRECT SELECT lever............................. 194
Transporting Vehicle.................................................. 369Index529

Tread wear grade......................................... 385
TuneIn , Internet radio
Calling up.............................................. 334
Turn signal indicator ..................................... 151
Turn signal light ............................................ 151
Two-way radios Frequencies........................................... 409
Installation............................................. 408
Transmission output............................... 409
U
Unfastening ................................................... 44
Unlocking setting ........................................... 72
USB port Front storage compartment.................... 128
Rear passenger compartment................ 144
V
Vehicle 48 V on-board electrical system............... 25
Activating, Remote Online...................... 178
Activating/deactivating standby mode... 210
Automatic locking.................................... 77
Collision detection................................. 209
Correct use.............................................. 30 Data storage............................................ 32
Diagnostics connection............................ 28
Emergency key......................................... 77
Equipment............................................... 23
KEYLESS-GO............................................ 75
Limited Warranty...................................... 32
Locking/unlocking (from inside)............... 75
Locking/unlocking emergency key........... 77 Lowering................................................ 402
Maintenance............................................ 25
Medical aids............................................ 30
Parking for an extended period............... 210
Problem notiNcation ................................. 31
Pulling................................................... 283
QR code rescue card............................... 32
Raising................................................... 398
Standby mode function.......................... 210
Starting (start/stop button)................... 176
starting, emergency operation mode...... 177
Switching oM, start/stop button............. 203
Switching on, start/stop button............. 175
Transporting.......................................... 369
ventilating / convenience opening........... 87Vehicle camera Information............................................ 211
Vehicle data Angle of approach/departure................. 422
Display, MBUX....................................... 192
Displaying, DYNAMIC SELECT................ 192
Fording depth........................................ 422
Maximum gradient-climbing capability.... 422
Roof load............................................... 422
Turning circle......................................... 420
Vehicle height........................................ 420
Vehicle length........................................ 420
Vehicle width......................................... 420
Wheelbase............................................. 420
Vehicle dimensions ...................................... 420
Vehicle emergency start ............................... 371
Vehicle equipment ......................................... 23
Vehicle identiNcation number, VIN................ 411
Vehicle identiNcation plate
Model type............................................ 411
Paint code............................................. 411
VIN........................................................ 411
Vehicle interior Cooling/heating (Remote Online)........... 177530Index

Vehicle key..................................................... 71
Vehicle level Setting (AIRMATIC)................................ 250
Setting (E-ACTIVE BODY CONTROL)....... 258
Setting entering/exiting level (AIR-
MATIC)................................................... 253
Setting individual wheel control.............. 261
Vehicle operation outside the USA or Can-
ada ................................................................ 24
Vehicle sensors ............................................ 211
Vehicle start Emergency operation mode.................... 177
Remote Online....................................... 178
Start/stop button.................................. 176
Vehicle tool kit TIREFIT kit.............................................. 357
Towing eye............................................. 370
Vehicle with a high center of gravity ................ 30
Ventilating , Convenience opening................... 87
Ventilation ................................................... 171
Vents ........................................................... 171
VIN , Vehicle identiNcation number
Engine compartment.............................. 411*dentiNcation plate................................. 411
Seat....................................................... 411
Vision Removing condensation from the win-
dows...................................................... 169
Windshield heater.................................. 171
Voice Control System Function................................................ 295
Starting................................................. 295
W
Warning system , ATA...................................... 95
Warning triangle ................................... 354, 355
Warning/indicator lamp % ABS warning lamp......................... 497

Window curtain air bag................................... 44
Windows Care...................................................... 350
Defrosting.............................................. 169
Opening/closing...................................... 86
Windshield , Windshield
Defrosting.............................................. 166
Infrared reOective ................................... 165
Radio waves........................................... 165
Replacing the wiper blades..................... 158
Replacing the wiper blades with
MAGIC VISION CONTROL....................... 160
Toll system............................................. 165
Windshield heater , Windshield heater........... 171
Windshield washer Ouid................................ 418
Windshield washer system ............................ 344
Windshield wiper Activating/deactivating.......................... 157
Replacing the wiper blades with
MAGIC VISION CONTROL....................... 160
Windshield wipers Replacing the wiper blades..................... 158Winter operationSnow chains.......................................... 375
Wiper blades Care...................................................... 350
Replacing (windshield)............................ 158
Replacing with MAGIC VISION CON-
TROL..................................................... 160
Wipers Windshield wiper.................................... 157
Wireless charging Mobile phone......................................... 147
Mobile phone (rear passenger com-
partment).............................................. 147
Overview................................................ 145
Wireless vehicle components Declaration of conformity......................... 28
Workout program ......................................... 114
Workshop ....................................................... 29Index533