2020 MERCEDES-BENZ GLS SUV warning

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
÷ ESP ®
wa rning lamp lights
up *
The yellow ESP ®
wa rning lamp is lit while the engine is running.
ESP ®
is malfunctioning.
Other driving sy stems and driving saf ety sy stems (e.g. BAS) may also be malfunctioning. #
Notethe messages on the multifunction displa y. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabilisation. In addition, other driving saf ety sy stems
are switched off. #
Drive on carefull y. #
Have ESP ®
ch ecked at a qualified specialist workshop. å
ESP ®
OFF warning lamp *
The yellow ESP ®
OFF warning lamp is lit while the engine is running.
ESP ®
is deacti vated.
Other driving sy stems and driving saf ety sy stems may also be inoperative. &
WARNING Risk of skidding when driving wi thESP ®
deacti vated
ESP ®
does not act tostabilise theve hicle. The availability of fur ther driving saf ety sy stems is also limited. #
Drive on carefull y. #
Deactivate ESP ®
only for as long as the situation requ ires. Display messages and
warning/indicator lamps 503

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
If ESP ®
cann otbe activated, ESP ®
is malfunctioning. #
Have ESP ®
ch ecked immediately at a qualified specialist workshop. #
Obser vethe no tes on deactivating ESP ®
(/ page 227). Ty
re pressure moni torWa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
h Ty re pressure monitoring
sy stem warning lamp
fl ashes *The
yellow tyre pressure monitor warning lamp (pressure loss/malfunction) flashes for appro ximately one minu te
and then remains lit.
The tyre pressu remonitor is malfunctioning. &
WARNING Thereis a risk of an accident if the tyre pressure monitoring sy stem is malfunctioning
The tyre pressure monitoring sy stem cann otissue a warning if there is pressure loss in one or more of the tyres.
Ty res with insuf ficient tyre pressure may impair the driving characteristics as well as steering and braking. #
Have the tyre pressure monitoring sy stem checked at a qualified specialist workshop. 504
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
h Ty re pressure monitoring
sy stem warning lamp lights
up *T
he yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
The tyre pressure monitoring sy stem has de tected tyre pressure loss in at least one of the tyres. &
WARNING Risk of an accident due toinsuf ficient tyre pressure
R The tyres can bu rst.
R The tyres can wearexc essively and/or une venly.
R The driving characteristics as well as thesteering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle in accordance with the tra ffic conditions. #
Check the tyre pressure and the tyres. Display messages and
warning/indicator lamps 505

Fu
nction................................................ 257
Sy stem limitations................................. 257
Blo wer
see Climate control
BlueTEC see AdBlue ®
Boot lid see Tailgate
Brake Assist Sy stem
see BAS (Brake Assi stSystem)
Brake fluid Notes..................................................... 424
Brake forc e distribution
EBD (Elect ronic Brake forc e Distribu‐
tion).......................................................2 30
Brakes ABS (Anti-lock Braking Sy stem).............2 26
Ac tive Brake Assi st................................ 24 8
Ad aptive brake light s............................ .231
BA S (Brake Assi stSystem).................... 227
Driving tips............................................ 19 2
EBD (Electronic Brake forc e Distribu‐
tion)....................................................... 230 HOLD function......................................2
30
Limi ted braking ef fect (salt-trea ted
ro ads).................................................... 19 2
New/replaced brakepads/brake
discs...................................................... 19 0
Po st-collision brake................................. 54
Ru nning-in no tes.................................... 19 0
Braking assistance see BAS (Brake Assi stSystem)
Breakdown Overview of the help functions................ 18
To w- starting.......................................... 390
To wing away.......................................... 386
Tr ansporting theve hicle........................ 388
Wheel chang e....................................... .402
Breakdown see Flat tyre
Buttons Steering wheel...................................... 306 C
Calls Mercedes me........................................ 335
Camera....................................................... 272Camera
see 360° Camera
see Reversing camera
Car key
see Key
Car wash
see Care
Car wash (care)......................................... 364
Car-to-X-Communication Displaying hazard warnings.................. .329
Care 360° camera......................................... 369
Air-water duct....................................... .364
Au tomatic car wash...............................3 64
Carpe t.................................................. .370
Decorative foil...................................... .368
Displ ay.................................................. 370
Exterior lighting.................................... .369
High-p ressure cleaner........................... 366
Pa int wo rk.............................................. 367
Plastic trim............................................ 370
Re alwo od/trim elements..................... 370
Re versing camera................................. .369
Ro of lining............................................. 37051 0
Index

:
Left dipped beam (e xamp le)........ .439
6 Left wind owbag malfunction
Consult workshop (e xample)................ .434
 Lowe ring....................................... 472
: Malfunction See Owner's Man‐
ual......................................................... 439
î Max. speed 40 km/h...................4 64
ð Maximum speed exceeded ........... 463
î Notpossible in cur rent drive
program ................................................ 464
Ø ..................................................... 486
ç Off................................................ 462
ë Off................................................ 460
ï Operation only possible in
transmission position P .........................443
! Parking brake See Owner's
Manual .................................................. 455
Á Please reduce speed .................... 473
Ý Please wait 48 V battery charg‐
ing ........................................................ .481 h
Rectify tyre pressure.................... 483
Ø Refill Ad Blue See Owne r’s
Manual.................................................. 485
! Release parking brake .................. 458
¸ Replace air cleaner ...................... 452
Á Replace key.................................. 437
8 Reser vefuel le vel......................... 452
6 Restra int sys. malfunction Con‐
sult workshop........................................ 434
# See Owner's Manual....................4 79
y Siderunning board not exten‐
ded........................................................ 445
Ù Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual ......446
Ù Steering malfunction Stop
immediately See Owner's Manual .........446
# Stop vehicle Lea veengine run‐
ning ....................................................... 480
# Stop vehicle See Owner's Man‐
ual......................................................... 480 ç
suspended................................... 462
: Switch off lights...........................4 40
: Switch on headla mps................... 440
Ø Top up AdBlue Emergency op.
in XXX miles See Owner's Manual......... 486
+ Top up coolant See Owner ’s
Manual.................................................. 450
¥ Top up washer fluid ...................... 450
ï Trailer coupling extending…......... 443
! Turn on the ignition torelease
th e parking brake..................................4 59
d Vehicle is operational Switch
off ignition before exiting..................... .443
Á Vehicle rising Please wait............ .472
Á Vehicle rising................................4 72
h Warning tyre defect..................... .484
h Wheel sensor(s) missing .............. 482
Ø XX,X l Top up AdBlue Switch on
ignition, wait 60 sec. or eng. start
not poss................................................ 486 Index
515

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

Overview.................................................
78
Problem................................................... 81
Un locking setting.................................... 79
Ke y functions
Deactivating............................................79
KEYLESS-GO Locking theve hicle..................................83
Problem................................................... 83
Un locking setting.................................... 79
Un locking theve hicle.............................. 83
Kickdown Using..................................................... 208
Knee airbag .................................................. 45 L
Lamp see Interior lighting
Lamps (instrument display) see Warning/indicator lamps
Lane de tection (au tomatic)
see Active Lane Keeping Assist
Lane Keeping Assist
see Active Lane Keeping Assist LED light
see Intelligent Light Sy stem
Leg rest
At tach ing/ removing the additional
cushion..................................................1 12
Le vel control sy stem
see AIRMATIC
see E- ACTIVE BODY CONTROL
Light switch Overview...............................................1 56
Lighting see Interior lighting
see Lights
Lights Active headla mps.................................. 15 9
Ad aptive Highbeam Assist Plus.............. 161
Au tomatic driving lights........................ .157
Combination swit ch............................... 15 8
Corne ring light....................................... 15 9
Driving ab road (symm etrical low
beam).................................................... 15 6
Fo g light (extended range)..................... 16 0
Haza rdwa rning light s............................ 15 8
Headla mpflashin g................................. 15 8High beam.............................................
15 8
Intellige nt Light Sy stem......................... 15 9
Light switc h........................................... 15 6
Low beam.............................................. 15 6
Mo torw ay mode..................................... 16 0
Off-road light.......................................... 161
Pa rking lights........................................ .156
Re ar fog light......................................... 15 6
Re sponsibility for lighting sy stems........ 15 6
Setting the dipped beam....................... 16 2
Setting theex terior lighting switch-
off delay time........................................1 63
St anding lights....................................... 15 6
Switching the sur round lighting on/
off......................................................... .163
Tu rn signal indicator.............................. 15 8
Limiter Activating.............................................. 235
Buttons.................................................. 235
Calling up a spee d................................. 235
Deactivating.......................................... 235
Fu nction................................................ 234
Pa ssive mode........................................ 234
Pe rm anent setting................................ .236
Re quirements........................................ 235 524
Index