2020 MERCEDES-BENZ GLS SUV child seat

Display messages
Possible causes/consequences and M
MSolutions &
WARNING Risk of inju ryor death when using a child restra int sy stem while the front passenger airbag is
enabled
If yo u secure a child in a child restra int sy stem on the front passenger seat and the front passenger airbag is
enabled, the front passenger airbag can deploy in theeve nt of an accident.
The child could be stru ck bythe airbag. #
Ensure, bo thbefore and during the journe y,that thest atus of the front passenger airbag is cor rect.
NEVER use a rear wa rdfacing child restra int on a seat pr otected byan ACTIVE AIRB AGin front of it, DE ATH or
SERIOUS INJU RYtotheCH ILD can occur. #
Stop theve hicle immediately in accordance with the traf fic conditions. #
Makesure that no objects are trapped under the front passenger seat. #
Check thest atus of the automatic front passenger airbag actuation (/ page 50). #
If necessar y,consult a qualified specialist workshop immediatel y.
PRE-SAFE inoperative See
Owner's Manual *
The PRE‑SAFE ®
functions are malfunctioning. #
Consult a qualified specialist workshop.
PRE-SAFE impulse side
inoperative See Owner's
Manual *
The PRE‑SAFE ®
Impulse Side sy stem is malfunctioning or inoperative af ter having already been triggered. #
Consult a qualified specialist workshop. 436
Display messages and warning/indicator lamps

Ru
nning boards..................................... 369
Seat belt................................................ 370
Seat co ver............................................. 370
Senso rs................................................. 369
St eering wheel....................................... 370
Ta ilpipes................................................ 369
Tr ailer hit ch........................................... 369
Wa shing byhand................................... 367
Wheels/rims.........................................3 69
Wi ndo ws................................................ 369
Wi per blades.........................................3 69
Carpet (Care)............................................. 370
Changing gears
Manually. ............................................... 207
Changing hub caps................................... 402
Changing the lights Driving ab road (symm etrical low
beam).................................................... 15 6
Cha rging
Bat tery (vehicle).................................... 384
Mobile phone (wireless).........................1 51
USB port................................................1 50
Child saf ety lock
Re ar door................................................ .75Re
ar side wind ows................................... 77
Child seat App rova l categories................................ .60
At tach ing (no tes).....................................59
Basic instructions.................................... 55
Fr ont passenger seat (no tes)...................73
Fr ont passenger seat (without auto‐
matic airbag shutoff)...............................73
ISOFIX/i-Size (fitting).............................. 64
No tes on risks and dangers..................... 56
Re commended child restra int sy stems.... 58
Seats suitable for belt-secu redch ild
re stra int sy stems..................................... 69
Seats suitable for i‑Size child
re stra int sy stems..................................... 64
Seats suitable for ISOFIX child
re stra int sy stems..................................... 62
Securing on the co-driver seat................. 74
Secu ring on there ar seat........................ 71
To pTe ther............................................... 68
Children Avoiding dangers in theve hicle............... 56
Basic instructions.................................... 55
Chock Storage location.................................... 401 Chock
see Chock
Cleaning see Care
Climate control Activating/deactivating (rear operat‐
ing unit)................................................ .175
Ac tivating/deactivating the A/C
function (cont rol panel)........................ .175
Ac tivating/deactivating the A/C
function (MBUX multimedia sy stem)...... 176
Ac tivating/deactivating the synchro‐
nisation function (cont rol panel)............ 17 7
Ac tivating/deactivating the synchro‐
nisation function (MBUX multimedia
sy stem).................................................. 17 7
Air-reci rculation mode.......................... .177
Au tomatic control.................................. 176
Au tomatically controlling (rear oper‐
ating unit).............................................. 176
Calling up the air conditioning menu..... 175
Demi sting the windscreen..................... 174
Demi sting windo ws................................ 17 7
Fr ont air vents....................................... 184
Glo vebox air vent.................................. 186 Index
511

Ty
re press. monitor inoperative.............4 82
Ty re press. monitor inoperative No
wheel sensors ...................................... .482
Ty re(s) ove rheated................................. 484
Up date failed ........................................ .442
Up date failed Software remains
unchanged........................................... .442
Up date successfully comple ted............. 442
Wi thout changing gear, consult work‐
shop......................................................4 54
Display on the windscreen
see Head-up display
Distance control see Active Dis tance Assi stDISTRONIC
DI STRO NIC
see Active Dis tance Assi stDISTRONIC
Door Additional door loc k................................ .81
Child saf ety lock (rear door).................... 75
Locking (emergency key)......................... 84
Opening (from inside).............................. 82
Po we r closing function............................ 84Un
locking (emer gency key)..................... 84
Un locking (from inside).......................... .82
Door cont rol panel....................................... 14
Door cont rol panel (rear) ............................ 16
Downhill driving assistance see DSR
Dr aw bar
see Tow- bar sy stem
Drive Away Assist ...................................... 292
Drive Away Assist
see Pr otection against collision
Drive position Enga ging............................................... 206
Drive prog ram display .............................. 203
Drive prog rams
see DYNA MIC SELECT
Driver's seat see Seat
Driving abroad Symmetrical low beam.......................... 15 6
Driving saf ety sy stem
ABS (Anti-lock Braking Sy stem).............2 26Ac
tive Brake Assi st................................ 24 8
Ad aptive brake lights............................. 231
BA S (Brake Assi stSystem).................... 227
Cameras................................................ 224
EBD (Elect ronic Brake forc e Distribu‐
tion).......................................................2 30
ESP ®
Crosswind Assis t.......................... 228
ESP ®
trailer stabilisation...................... .228
Off-road ABS......................................... 226
Overview.............................................. .225
Ra dar and ultrasonic sensor s................ 224
Re sponsibility........................................2 24
ST EER CONTROL................................... 230
Driving sy stem
see 360° Camera
see Active Blind Spot Assi st
see Active Dis tance Assi stDISTRONIC
see Active Emergency Stop Assist
see Active Lane Keeping Assist
see Active Parking Assist
see Active Speed Limit Assi st
see Active Steering Assist
see AIRMATIC
see ATTENTION ASSIST
see Blind Spot Assist 518
Index

Opening or closing
the door..................2 20
Programming buttons............................ 219
Re solving problems...............................2 20
Synchronising thero lling code............. .220
Gearshift recommendation..................... .208
Gene ral operating permit number (EU)... 41 5
Genuine parts.............................................. 23
Genuine wood (Care) ................................ .370
Glide mode................................................. 208
Glo vebox
Air vent.................................................. 186H
Handbrake see Electric parking brake
Handling characteristics (unusual)......... 393
HANDS-FREE ACCESS ................................ .89
Handset Stow age compartment......................... .136
Hazard warning lights.............................. .158 Head
restra int
At tach ing/ removing the supplemen‐
ta ry cushion........................................... 11 9
EASY ADJU STluxury head restra int
(front).................................................... .117
Fr ont (adjusting mechanically)............... 11 5
Fr ont (luxury head restra int)................. .116
Re ar (adjusting)...................................... 11 7
Re ar (fitting/removing)......................... .118
Re ar (luxury head restra int )................... 11 8
Head-up display Adjusting display elements (on-board
compu ter)............................................. 309
Ad justing the brightness (on-board
computer).............................................3 09
Fu nction................................................ 308
Menu (on-board compu ter)................... 309
Operating the memory function.............1 28
Setting the position (on-board com‐
puter)....................................................3 09
Switching on/of f................................... 310
Headlamp flashing.................................... 15 8
Headlamps see Automatic driving lights Heating
see Climate control
Help call see Mercedes-Benz emergency call sy stem
High beam Activating/deactivating......................... 15 8
Ad aptive Highbeam Assist Plus.............. 161
HIGH RANGE Shifting.................................................. 210
High-pressure cleaner (care)................... 366
Hill Start Assist......................................... 231
HOLD function Function/no tes..................................... 230
Switching on/of f................................... 230
Home sc reen (media display)
Overview............................................... .312 I
i-Size child seat securing sy stem
Fitting..................................................... .64
i‑Size child seat securing sy stem
Seats suitable for attaching..................... 64522
Index

Identification pla
te
Engine.................................................... 41 5
ve hicle................................................... 41 5
Ignition Swit ching on (S tart/S top button).......... 187
Ignition key
see Key
Immobiliser ................................................ 102
Implied warranty
Ve hicle.................................................... 34
In-Car Of fice
Fe atures................................................ 339
Indicator lamps see Warning/indicator lamps
Individual drive prog ram
Con figuring........................................... 203
Selecting............................................... 203
Inspection see ASS YST PLUS
Instrument clus ter
Fu nction/no tes............................. 304, 305
In stru ment display
Fu nction/no tes..................................... 305 Instrument clu
ster................................... 10
Wa rning/indicator lamps...................... 490
Instrument display and on-boa rd
compu ter
Fu nction/no tes..................................... 304
In te lligent Light Sy stem
Ac tive headla mps.................................. 15 9
Ad aptive Highbeam Assist Plus.............. 161
Corne ring light....................................... 15 9
Fo g light (extended range)..................... 16 0
Mo torw ay mode..................................... 16 0
Overview............................................... 15 9
Switching on/of f.................................... 161
Interior lighting Adjusting............................................... 16 3
Ambient lighting.................................... 16 4
Re ading lam p......................................... 16 3
Switch-off del aytime............................. 16 4
Interior pr otection
Fu nction................................................ 103
Priming/deactivating.............................1 04
Internet radio
see TuneIn Ionisation
Activating/deactivating (MBUX mul‐
timedia sy stem).....................................1 78
iPhone ®
see Smartphone integ ration
ISOFIX child seat securing sy stem
Fitting..................................................... .64
Seats suitable for attaching..................... 62 J
Jack Declaration of conformity........................ 30
Storage location.................................... 401
Jump-start connection General no tes........................................ 382 K
Key Acoustic locking verification signal......... 79
Battery.................................................... 80
Emer gency key........................................ 79
Energy consum ption................................ 79
Fe atures................................................. .78
Ke yring attachment................................ 79 Index
523

Car
e...................................................... 370
Fa stening................................................. 43
Pr otection................................................ 41
Re ar seat belt status displa y................... 44
Re duced pr otection.................................42
Re leasing................................................ .44
Seat belt adjustment (function)............... 44
Wa rning lamp......................................... .44
Seat belt adjustment Activating/deactivating........................... 44
Fu nction.................................................. 44
Seat belt tensioners
Ac tivation................................................ 40
Seat belt warning
see Seat belt
Seat co ver (Care)....................................... 370
Seat heater Activating/deactivating......................... 12 2
Seat ventilation
Switching on/o ff................................... 12 3
Selecting a gear
see Changing gears Selector le
ver
see DIRECT SELECT le ver
Self-test Automatic front passenger front air‐
bag shutoff............................................. .50
Sensors (care) ...........................................3 69
Service see ASS YST PLUS
Service centre see Qualified specialist workshop
Service inter val display
see AS SYST PLUS
Setting a speed see Cruise control
Setting the map scale
see Map
Shift paddles see Steering wheel gearshift paddles
Shifting gears
Gea rshift recommendation................... 208
Side airbag................................................... 45
Side impact pr otection............................. 285 Side windo
ws
Au tomatic function.................................. 94
Child saf ety lock in there ar.................... .77
Closin g................................................... .92
Closing using theke y.............................. 95
Co nvenience closing............................... 95
Con venience opening.............................. 94
Opening................................................... 92
Opening with theke y.............................. .94
Problem................................................... 95
Ra in-closing feature................................ .94
Ro ller sunblind (elect ric)........................ 101
Sliding sunroof Automatic features................................. .99
Closin g................................................... .96
Closing using theke y.............................. 95
Opening................................................... 96
Opening wi th theke y.............................. .94
Problem................................................. 100
Ra in-closing feature................................ .99
Smartphone see Smartphone integration
see Telephone
Sma rtphone integ ration
Overview................................................ 341 Index
533