MERCEDES-BENZ GLS 2023 Owners Manual

Warning/indicator lampPossible causes/consequences and P SolutionsIf ESP n
cannot be activated, ESP n
is malfunctioning.Have ESP n
checked immediately at a qualiNed specialist workshop.Observe the notes on deactivating ESP n
( page 214).Tire pressure monitorWarning/indicator lampPossible causes/consequences and P Solutions
w
Tire pressure monitoring
system warning lamp Oashes
*The yellow tire pressure monitor warning lamp (pressure loss/malfunction) Oashes for approximately one minute and
then remains lit.
The tire pressure monitoring system is malfunctioning.
&WARNING There is a risk of an accident if the tire pressure monitoring system is malfunctioning
The tire pressure monitoring system cannot issue a warning if there is pressure loss in one or more of the tires.
Tires with insuPcient tire pressure may impair the driving characteristics as well as steering and braking.
Have the tire pressure monitoring system checked at a qualiNed specialist workshop.Display messages and warning/indicator lamps499

Warning/indicator lampPossible causes/consequences and P Solutions
w
Tire pressure monitoring
system warning lamp lights
up
*The yellow tire pressure monitoring system warning lamp (pressure loss/malfunction) is lit.The tire pressure monitoring system has detected tire pressure loss in at least one of the tires.&WARNING Risk of an accident due to insuPcient tire pressure
=
The tires can burst.
= The tires can wear excessively and/or unevenly.
= The driving characteristics as well as the steering and braking may be greatly impaired.
You could then lose control of the vehicle.
Observe the recommended tire pressures.Adjust the tire pressure if necessary.Stop the vehicle in accordance with the traPc conditions.Check the tire pressure and the tires.500Display messages and warning/indicator lamps

1, 2, 3 ...
(SmartKey) battery ......................................... 73
48 V on-board electrical system Operating safety...................................... 25
360° Camera Care...................................................... 350
Function................................................ 265
A
A/C function Activating/deactivating (operating
unit)....................................................... 167
MBUX.................................................... 168
ABS , Anti-lock braking system...................... 213
Acceleration Kickdown............................................... 197
Optimized acceleration.......................... 179
Accident, emergency call ............................. 326
Activating/deactivating the acoustic lock-
ing veriNcation signal...................................... 72
Active Blind Spot Assist Brake application................................... 245
Exit warning........................................... 244
Function................................................ 244 Towing a trailer...................................... 245
Active Brake Assist Function................................................ 235
Setting................................................... 239
Active Distance Assist DISTRONIC Activating/deactivating.......................... 224
Active Emergency Stop Assist................ 233
Active Lane Change Assist..................... 234
Calling up a speed................................. 224
Function................................................ 222
Increases/decreases the speed............. 224
Route-based speed adaptation............... 227
Storing a speed...................................... 224
Active headlamps ......................................... 153
Active Lane Change Assist Activating/deactivating.......................... 235
Function................................................ 234
Active Lane Keeping Assist Activating/deactivating.......................... 248
Function................................................ 246
Setting the sensitivity............................. 248
Towing a trailer...................................... 246Active Parking Assist Exiting a parking space.......................... 276
Function................................................ 273
Parking.................................................. 275
Active Service System PLUS ,
ASSYST PLUS.............................................. 337
Active Speed Limit Assist ............................. 226
Active Steering Assist Activating/deactivating.......................... 233
Active Emergency Stop Assist................ 233
Active Lane Change Assist..................... 234
Function................................................ 231
Active Stop-and-Go Assist Function................................................ 228
Active TraPc Jam Assist
Activating/deactivating.......................... 229
Adaptive cruise control , Active Distance
Assist DISTRONIC........................................ 227
Adaptive Highbeam Assist , High beam
Activating/deactivating.......................... 154
Function................................................ 153
Additional cushion Leg rest................................................. 105Index501

Rear passenger compartment headrestraint................................................. 112
Additives Engine oil............................................... 415
Fuel....................................................... 415
Aser-sales service, ASSYST PLUS................. 337
Air bag , Occupant safety
Automatic front passenger air bag shu
toM .......................................................... 48
Cushion bag............................................. 44
Deployment............................................. 39
Front air bag............................................ 44
Overview.................................................. 44
PASSENGER AIR BAG indicator lamps...... 49
Reduced protection.................................. 47
Warning lamp........................................... 39
Air conditioning menu Air distribution....................................... 168
Calling up.............................................. 167
Climate control...................................... 168
Ionization............................................... 170
Rear passenger compartment climate
control................................................... 168Air distribution MBUX multimedia system....................... 168
Setting................................................... 166
Air freshener system .................................... 170
Air inlet ........................................................ 345
Air pressure ................................................. 375
Air suspension , AIRMATIC............................ 248
Air vents Glove box............................................... 173
Setting................................................... 171
Air/water duct ............................................. 345
Airbag Protection................................................ 45
AirOow Setting................................................... 166
AIRMATIC Air suspension....................................... 248
Setting entering/exiting level................. 253
Setting the vehicle level......................... 250
Vehicle levels......................................... 248
Alarm system , ATA......................................... 95
All-wheel drive , 4MATIC................................ 200Ambient lighting ........................................... 156
Animals , Pets in the vehicle............................ 69
Anti-lock braking system , ABS...................... 213
Anti-thes alarm system , ATA........................... 95
Anti-thes protection , ATA
Immobilizer.............................................. 94
Approval numbers ........................................ 410
Apps Mercedes me calls................................. 318
Mercedes me connect........................... 321
Assistance system , Driving safety system..... 212
ASSYST PLUS Battery disconnection periods................ 338
Service interval display.......................... 337
Service requirements............................. 337
ATA Deactivating the alarm............................. 95Function.................................................. 95Interior protection.............................. 96, 97Tow-away alarm....................................... 96Tow-away protection................................ 96
ATTENTION ASSIST Function................................................ 218502Index

Setting................................................... 220
Attention assistant , ATTENTION ASSIST........ 218
Authorized Mercedes-Benz Service Center ..... 29
Authorized workshop ...................................... 29
Automatic car wash ...................................... 345
Automatic car wash mode .................... 345, 347
Automatic climate control ............................ 168
Automatic distance control , Active Dis-
tance Assist DISTRONIC............................... 222
Automatic driving lights ................................ 151
Automatic emergency call , Mercedes-
Benz emergency call system......................... 326
Automatic engine start/stop , ECO start/
stop function................................................ 186
Automatic front passenger air bag deacti-
vation system Function.................................................. 48
Automatic front passenger air bag shutoM
PASSENGER AIR BAG indicator lamps...... 49
Automatic measures aser an accident ,
Occupant safety............................................. 53Automatic mirror folding function ................. 165
Automatic seat adjustment ........................... 113
Automatic transmission Changing gears...................................... 194
DIRECT SELECT lever............................. 194
Drive programs...................................... 190
DYNAMIC SELECT switch....................... 190
Engaging drive position.......................... 196
Engaging neutral.................................... 195
Engaging reverse gear............................ 195
Kickdown............................................... 197
Manual gear shising............................... 196
Selecting park position........................... 195
Steering wheel paddle shisers................ 196
Transmission position display................. 194
Transmission positions........................... 194
Autonomous braking .................................... 235
Axle load Towing a trailer...................................... 426
B
Back seat ..................................................... 103
Bag hook ..................................................... 138
Ball neck
Installing................................................ 280
BAS , Brake Assist System............................. 213
Battery (12 V battery) Charging................................................ 364
Notes..................................................... 361
Replacing............................................... 365
Starting assistance................................ 362
Battery (starter battery) charging, Remote Online........................ 177
Belt , Seat belt................................................ 40
Bicycle rack Load capacity........................................ 425
Blind Spot Assist , Active Blind Spot Assist
Activating/deactivating.......................... 246
Function................................................ 244
Bluetooth n
................................................... 317
Brake Assist Active Brake Assist................................. 235
Brake Assist System............................... 213
Brake Assist System , BAS............................. 213
Brake Nttings ................................................ 178Index503

Brake Ouid.................................................... 417
Brake force distribution , EBD........................ 216
Brakes ABS (Anti-lock Braking System).............. 213
Active Brake Assist................................. 235
BAS (Brake Assist System)..................... 213
Breaking-in notes................................... 178
Driving tips............................................ 180
EBD (Electronic Brakeforce Distribu-
tion)....................................................... 216
HOLD function....................................... 217
Limited braking eMect (salt-treated
roads).................................................... 180
New/replaced brake linings/brake
discs...................................................... 178
Post-collision brake.................................. 53
Braking assistance Brake Assist System............................... 213
Breakdown Changing a wheel................................... 396
Flat tire.................................................. 355
Overview of aids...................................... 18
Tow-starting........................................... 371 Towing away.......................................... 367Transporting the vehicle......................... 369
Breakdown (Roadside Assistance) .................. 25
Breaking-in notes ......................................... 178
Buttons Steering wheel....................................... 286
C
Calls Mercedes me......................................... 318
Camera 360° Camera......................................... 265
Cleaning................................................ 350
Information............................................ 211
Rear view camera................................... 262
ROAD SURFACE SCAN........................... 257
Select view............................................ 268
Car key .......................................................... 71
Car wash ...................................................... 345
Car-to-X-Communication Hazard warnings.................................... 311
Care 360° Camera......................................... 350
Air/water duct....................................... 345
Automatic car wash............................... 345
Car parts............................................... 350
Decorative foil........................................ 349
Display................................................... 351
Exterior lighting...................................... 350
Head-up display..................................... 351
Headliner............................................... 351
Paint...................................................... 348
Plastic trim............................................ 351
Power washers....................................... 347
Real wood/trim elements...................... 351
Running boards...................................... 350
Trailer hitch............................................ 350
Vehicle interior....................................... 351
Washing by hand.................................... 348
Cargo compartment cover Extending/retracting.............................. 134
Notes..................................................... 134
Removing/installing............................... 135
Cargo compartment Ooor
Locking/unlocking................................. 138
Cargo tie-down rings .................................... 137
Caring for plastic trim ................................... 351
Caring for real wood ..................................... 351504Index

Caring for rims............................................. 350
Caring for the steering wheel ........................ 351
Caring for trim elements ............................... 351
Central locking system Button..................................................... 75
SmartKey................................................. 72
Change of address ......................................... 25
Change of ownership ...................................... 25
Changing a wheel Preparation............................................ 396
Raising the vehicle................................. 398
Removing a wheel.................................. 400
Charging 12 V battery........................................... 364
USB port................................................ 144
Wirelessly charging a mobile phone........ 145
Checking the coolant level ........................... 343
Child safety lock Rear door................................................. 68
Side windows (rear passenger com-
partment)................................................ 69
Child seat Basic instructions.................................... 53Front passenger seat............................... 66Installing ISOFIX....................................... 59
Risks/dangers......................................... 54
Securing.................................................. 57
Securing on the rear seat with the seat belt.................................................. 64
Securing to the front passenger seat with the seat belt..................................... 66
Top Tether................................................ 62
Children Avoiding dangers in the vehicle................ 54
Basic instructions.................................... 53
Special seat belt retractor........................ 58
Chock .......................................................... 396
Clean varnish ............................................... 348
Cleaning Air/water duct....................................... 345
Automatic car wash............................... 345
Car parts............................................... 350
Decorative foil........................................ 349
Paint...................................................... 348
Power washers....................................... 347
Vehicle interior....................................... 351
Cleaning carpets .......................................... 351Cleaning seat covers .................................... 351
Cleaning the sensors .................................... 350
Climate control A/C function......................................... 168
Activating/deactivating.......................... 167
Activating/deactivating (rear operat-
ing unit)................................................. 167
Activating/deactivating the A/C func-
tion (control panel)................................. 167
Activating/deactivating the synchro-
nization function (control panel)............. 169
Air vents (rear passenger compart-
ment)..................................................... 172
Automatic control.................................. 168
Automatically controlling (rear operat-
ing unit)................................................. 168
Calling up the air conditioning menu....... 167
Control panel for 3-zone automatic
climate control....................................... 166
Control panel for dual-zone automatic
climate control....................................... 166
Defrosting the windshield....................... 166
Filling capacity for refrigerant and
PAG oil................................................... 420
Fragrance system.................................. 170Index505

Front air vents........................................ 171
Glove box air vent.................................. 173
Inserting/removing the Oacon (fra-
grance system)...................................... 170
Ionization............................................... 170
Notes..................................................... 166
Rear operating unit.................................. 16
Rear passenger compartment operat-
ing unit.................................................. 167
Refrigerant............................................. 419
Removing condensation from the win-
dows...................................................... 169
Residual heat......................................... 169
Setting (MBUX multimedia system)......... 167
Setting the air distribution...................... 166
Setting the airOow.................................. 166
Setting the vehicle interior tempera-
ture....................................................... 166
Switching air-recirculation mode
on/oM ................................................... 169
Switching the rear window heater
on/oM ................................................... 166
Synchronization function........................ 169
Ventilating with convenience opening....... 87
Windshield heater.................................. 171Coat hook .................................................... 138
COC papers , CERTIFICATE OF CONFORM-
ITY............................................................... 408
Cockpit Dashboard................................................. 6
CoMee cup symbol , ATTENTION ASSIST........ 218
Collapsible spare wheel *nOating ................................................. 406
Removing............................................... 406
Collision detection (parked vehicle) Information............................................ 209
Combination switch Lights.................................................... 151
Windshield wiper.................................... 157
Component-speciNc information................... 410
Convenience closing ...................................... 88
Convenience opening ..................................... 87
Coolant ........................................................ 417
Coolant (engine) Capacity................................................ 418
Copyright License.................................................... 37CopyrightsTrademarks.............................................. 37
Cornering light ............................................. 153
Correct use .................................................... 30
Cover , Roller sunblind.................................... 89
Cross traPc (warning) ,
Maneuvering assistant................................. 278
Cross TraPc Alert, Cross traPc warning....... 278
Crosswind Assist , ESPn
................................ 215
Cruise control Activating/deactivating.......................... 221
Calling up a speed................................. 221
Function................................................ 220
Requirements:....................................... 221
Setting a speed...................................... 221
Storing a speed...................................... 221
Cushion bag , Reclining rear passenger
compartment seat.......................................... 44
Customer Assistance Center (CAC) ................ 31
Customer Relations Department ..................... 31506Index

D
Damping system ADS PLUS AIRMATIC.............................................. 248
E-ACTIVE BODY CONTROL..................... 254
Dashboard Cockpit...................................................... 6
Dashcam Selecting a USB device.......................... 313
Starting/stopping a video recording....... 313
Data processing in the vehicle ........................ 32
Data protection rights .................................... 35
Data storage Data protection rights.............................. 35
Electronic control units............................ 32
Event Data Recorder................................ 36 MBUX multimedia system/Mercedes
me connect............................................. 36
Online services........................................ 35
Daytime running lamps , Daytime running
lamp mode Activating/deactivating.......................... 155
Deactivating the alarm ................................... 95
Dealership ..................................................... 29Declaration of conformity
Wireless vehicle components................... 28
Decorative foil .............................................. 349
DeNnitions Tires and loading.................................... 390
Destination entry ......................................... 307
Detecting inattentiveness ,
ATTENTION ASSIST...................................... 218
Diagnostics connection .................................. 28
Digital Operator\bs Manual ............................... 20
Dinghy towing , Tow bar system
Pulling/towing....................................... 283
DIRECT SELECT lever Automatic transmission.......................... 194
Engaging drive position.......................... 196
Engaging neutral.................................... 195
Engaging park position automatically...... 195
Engaging reverse gear............................ 195
Function................................................ 194
Gearshis recommendation..................... 197
Manual gearshising ................................ 196
Selecting park position........................... 195Display Care...................................................... 351
Display (on-board computer) Displays on the instrument display......... 288
Display message Calling up in the on-board computer....... 427
Display messages