2021 MERCEDES-BENZ GLS SUV wheel

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
T
!
÷
inoperative See Owner's
Manual *
EBD, ABS and ESP ®
are malfunctioning.
Other driving systems and driving saf ety systems (e.g. BAS) may also be malfunctioning. &
W WARNING
ARNING Risk of skidding if EBD, ABS and ESP ®
are malfunctioning
The wheels may block during braking and ESP ®
does not per form any vehicle stabilization.
The steerability and braking characteristics are heavily impaired and the braking distance may increase. In addi-
tion, other driving saf ety sy stems are swit ched o.. #
Drive on carefull y. #
Have the brake system checked immediately at a quali/ed specialist workshop. Active Brake Assist Func-
tions currently limited See
Owner's Manual *V
Vehicles wit
ehicles wit h t
h the Dr
he Dr iving Assist
iving Assist ance P
ance Pack
ackag
age:
e: Ac tive Brake Assist with cross-t ra1c function, Evasive Steering Assist or
PRE‑SAFE ®
PLUS are temp orarily una vailable or only partially available.
V
V ehicles wit
ehicles wit hout t
hout the Dr
he Driving Assist
iving Assist ance P
ance Pack
ackag
age:
e: Ac tive Brake Assist is temp orarily una vailable. #
Drive on
As soon as the ambient conditions are within the system limits, the system will become available again.
or #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra1c conditions and restart
th eve hicle. 490
490
Displ
aymessages and warning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions &
W
WARNING
ARNING There is a risk of an accident if the tyre pressure monitoring system is malfunctioning
The tyre pressure monitoring system cannot issue a warning if there is pressure loss in one or more of the tyres.
Ty res with insu1cient tyre pressure may impair the driving characteristics as well as steering and braking. #
Have the tyre pressure monitoring system checked at a quali/ed specialist workshop. Tyre press. monitor inoper-
ative No wheel sensors
*T
he wheels /tted do not ha vesuitable tyre pressure senso rs. The tyre pressure monitoring system is deactivated. #
Fit wheels with suitable tyre pressure sensors.
h
Wheel sensor(s) missing *T
here is no signal from the tyre pressure sensor of one or more wheels. No pressure value is displa yedfo rth e a.ected
tyre. #
Have thefa ulty tyre pressure sensor replaced at a quali/ed specialist workshop.
h
Check tyre(s) *T
he tyre pressure in one or more tyres has dropped signi/cantl y.
The wheel position is displa yed. A warning tone also sounds. &
W WARNI NG
ARNI NGRisk of an accident due toinsu1cient tyre pressure
R The tyres can burst.
R The tyres can wearexcessively and/or une venly.
R The driving characteristics as well as the steering and braking may be greatly impaired. 496
496
Display messages and
warning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
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 tra1c conditions. #
Check the tyre pressure (/ page 401) andthe tyres.
h Rectify tyre pressure *T
he tyre pressure is too low in at least one of the tyres, or the di.erence in tyre pressure between the individual
wheels is toogr eat. #
Check the tyre pressure and add air, if necessar y. #
When the tyre pressure is cor rect, restart the tyre pressure monitoring system (/ page 404).
h Warning tyre defect *T
he tyre pressure in one or more tyres has dropped suddenl y.The wheel position will be displa yed. &
W WARNING ARNING Risk of an accident from driving with a 0at tyre
R The tyres can overheat and be damaged.
R The driving characteristics as well as the steering and braking characteristics may be greatly impaired.
Yo u could then lose control of theve hicle. #
Do not drive with a 0at tyre. Displ
aymessages and warning/indicator lamps
497
497

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Notethe messages on the multifunction displa y. #
Consult a quali/ed specialist workshop. Dr
Dr
iving safe
iving safe ty syst
ty systems
ems W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
!
ABS warning lamp *T
he yellow ABS warning lamp is lit while theve hicle is running.
ABS is malfunctioning.
If an additional warning tone sounds, EBD is malfunctioning.
Other driving systems and driving sa fety systems may also be malfunctioning. #
Notethe messages on the instrument displa y. &
W
W ARNI NG
ARNI NGThere is a risk of skidding if EBD or ABS is malfunctioning
The wheels may lock during braking.
The steerability and braking characteristics are heavily impaired and the braking distance may increase. In addition,
ot her driving saf ety sy stems are swit ched o.. #
Drive on carefull y. #
Have the brake system checked immediately at a quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
515 515

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
÷
ESP ®
wa rning lamp 0ashes *
The yellow ESP ®
wa rning lamp 0ashes while theve hicle is in motion.
One or more wheels ha vereached their grip limit (/ page 232). #
Adapt your driving style tosuit thero ad and weather conditions.
÷ ESP ®
wa rning lamp lights up *
The yellow ESP ®
wa rning lamp is lit while theve hicle is running.
ESP ®
is malfunctioning.
Other driving systems and driving sa fety systems (e.g. BAS) may also be malfunctioning. #
Notethe messages on the instrument displa y. &
W
WARNI NG
ARNI NGRisk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot carr y outvehicle stabilisation. In addition, other driving saf ety sy stems are
swit ched o.. #
Drive on carefull y. #
Have ESP ®
ch ecked at a quali/ed specialist workshop. å
ESP ®
OFF warning lamp *
The yellow ESP ®
OFF warning lamp is lit while theve hicle is running.
ESP ®
is deactivated.
Other driving systems and driving sa fety systems may also be inoperative. 516
516
Display messages and
warning/indicator lamps

Fr
ont airbag (driver, front passenger)........ 48
Installation locations................................ 48
Knee airbag............................................. 48
Overview.................................................. 48
PA SSENGER AIR BAG indicator la mps...... 53
Pr otection................................................ 49
Re duced pr otection.................................. 50
Side airbag.............................................. 48
Wi ndow airbag......................................... 48
Air0 ow
Air0ow
Setting................................................... 178
AIRMA AIRMA TIC
TIC
Setting................................................... 269
Suspension............................................ 267
Alar
Alar m syst m syst em
em
see ATA (anti-theT alarm system)
All-wheel dr
All-wheel dr ive
ive
see 4M ATIC
Ambient lighting
Ambient lighting Setting (MBUX multimedia system)........ .167
Andr
Andr oid A
oid A uto
uto
see Smartphone integ ration
Animals
Animals Pets in theve hicle.................................... 80 Anti-loc
Anti-loc k br
k braking syst
aking syst em
em
see ABS (Anti-lock Braking System)
Anti-skid c
Anti-skid c hains
hains
see Sn owchains
Anti-t
Anti-theT heTprot
pr otection
ection
Ad ditional door loc k................................. 84
Immobiliser............................................ 105
Anti-t
Anti-theT heTprot
pr otection
ection
see ATA (anti-theT alarm system)
Anticipat
Anticipat or
ory occupant pr ot
y occupant pr otection
ection
see PRE-SAFE ®
(anticipatory occu-
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Apple CarPlay
Apple CarPlay ®
®
see Smartphone integ ration
Assist
Assist ance syst
ance syst ems
ems
see Driving saf ety sy stem
ASS YS
ASS YST PL
T PL US
US
Battery disconnection period s................ 365
Displaying the service due dat e.............. 364
Fu nction/no tes...................................... 364
Re gular maintenance work..................... 364 Special service
requ irements................. 364
A
A T
TA
A (anti-t
(anti-theT heTalar
alarm syst
m syst em)
em)
Deactivating the alarm........................... 106
Fu nction................................................ 105
Interior pr otection function.....................1 07
Priming/deactivating interior pr otec-
tion........................................................ 107
Priming/deactivating tow- awa y pro-
te ction................................................... 107
To w- awa y protection function................. 106
A
A TTENTION ASSIST TTENTION ASSIST
Function................................................ 237
Setting.................................................. .238
System limitations.................................. 237
A
A tt
tt ention assist
ention assist ant
ant
see ATTENTION ASSIST
A
A ut
ut hor
hor ised w
ised w ork
orkshop
shop
see Quali/ed specialist workshop
A
A ut
ut omatic car w
omatic car w ash mode
ash mode
Ac tivating............................................... 373
A
A ut
ut omatic co-dr
omatic co-dr iv
iver airbag
er airbag shut
shuto.
o.
Fu nction of co-driver airbag shuto........... 51
A
A ut
ut omatic dist
omatic dist ance contr
ance control
ol
see Active Distance Assist DISTRONIC Index
521
521

A
A
ut
ut omatic dr
omatic dr iving lights
iving lights................................ 161
A
A ut
ut omatic engine st
omatic engine st art
art
see ECO start/s top function
A
A ut
ut omatic engine st
omatic engine st op
op
see ECO start/s top function
A
A ut
ut omatic fr
omatic fr ont passeng
ont passeng er airbag
er airbagshut
shuto.
o.
PA SSENGER AIR BAG indicator la mps...... 53
A
A ut
ut omatic measur
omatic measur es
esaTer
aTer an accident
an accident ............ 57
A
A ut
ut omatic mirr
omatic mirr or f
or folding function
olding function
Ac tivating/deactivating.......................... 176
A
A ut
ut omatic seat adjus
omatic seat adjustment tment
Setting................................................... 123
A
A ut
ut omatic tr
omatic tr ansmission
ansmission
DIRECT SELECT le ver............................. 209
Drive prog rams...................................... 205
DY NAMIC SELECT switch....................... 205
Engaging drive position.......................... 211
Engaging reve rsege ar............................ 210
Kickdown............................................... 212
Manual gear changing........................... .211
Selecting park position........................... 210
St eering wheel gearshiT paddles............ 211
Tr ansmission position displ ay................. 209
Tr ansmission position s........................... 209 Axle load Axle load
Perm issible............................................ 423
Tr ailer operatio n.................................... .441 B
B
Bag hook
Bag hook..................................................... 148
Ball neck
Ball neck Extending/r etra cting............................. .299
Extending/r etra cting (MBUX multime-
dia system)............................................ 301
B
B AS (Br
AS (Br ak
ake Assis
e Assis t Syst
t System)
em)........................... 231
Batt
Batt er
ery (ke
y (ke y)
y)
Re placing................................................. 83
Batt
Batt er
ery (v
y (v ehicle)
ehicle)
Charging (Remo teOnline)..................... .192
No tes..................................................... 387
No tes (starting assis tance and charg-
ing)........................................................ 389
Belt
Belt see Seat belt
Bicy
Bicy cle r
cle r ack
ack
Load capacit y........................................ 440
Tr ailer operatio n.................................... .304 Blind Spo
Blind Spo t Assist
t Assist
Ac tivating/deactivating.......................... 264
Fu nction................................................ 261
System limi tations.................................. 261
Blow
Blow er
er
see Clima tecont rol
BlueTEC BlueTEC see AdBlue ®
Bonnet Bonnet Opening/closing.................................... 365
Boo
Boo t lid
t lid
see Tailgate
Br
Br ak
ak e Assis
e Assist Syst t System
em
see BAS (Brake Assist System)
Br
Br ak
ak e
e0uid
0uid
No tes..................................................... 432
Br
Br ak
ak e f
e f or
orce disce distr tribution
ibution
EBD (Elect ronic Brake forc e Distribu-
tion)....................................................... 235
Br
Br ak
ak es
es
ABS (Anti-lock Braking System).............. 231
Ac tive Brake Assist................................. 253
Ad aptive brake lights.............................. 236 522 522
Index

BAS
(Brake Assist System).................... .231
Driving tips............................................ 195
EBD (Electronic Brake forc e Distribu-
tion).......................................................2 35
HOLD function....................................... 235
Limited braking e.ect (salt-treated
ro ads)................................................... .195
Ne w/replaced brake linings/brake
discs...................................................... 193
Po st-collision brak e.................................. 57
Ru nning-in no tes.................................... 193
Br Br aking assist
aking assist ance
ance
see BAS (Brake Assist System)
Br
Br eakdo
eakdo wn
wn
Assistance overview. ................................ 18
To w- starting........................................... 397
To wing away.......................................... 394
Tr anspo rting theve hicle........................ .395
Wheel chang e........................................ 409
Br
Br ea kdo
eakdo wn
wn
see Flat tyre
Butt
Butt ons
ons
St eering wheel....................................... 310 C
C
Calls
Calls Mercedes me......................................... 340
Camera
Camera
Information............................................ 229
Camera Camera see 360° Camera
see Dashcam
see Reversing camera
Car key
Car key
see Key
Car w Car w ash
ash
see Care
Car w
Car w ash (car
ash (car e)
e)............................................ 371
Car
Car -t
-to-X
o-X -Communication
-Communication
Displaying hazard warnings.................... 334
Care
Care 360° camera......................................... 376
Air-water duct........................................ 371
Automatic car wash.............................. .371
Carpet................................................... 378
Decorative foil........................................ 375
Display................................................... 378 Exterior lighting...................................... 376
Head-up display..................................... 378
High-pressure cleaner............................3
74
Pa int...................................................... 374
Plastic trim............................................3 78
Re alwo od/trim elements..................... .378
Re versing camera..................................3 76
Ro of lining............................................. 378
Ru nning boa rds...................................... 376
Seat belt................................................ 378
Seat co ver............................................. 378
Sensors.................................................3 76
St eering wheel....................................... 378
Ta ilpipes................................................ 376
Tr ailer hitc h............................................ 376
Wa shing byhand.................................... 374
Wheels/rims.......................................... 376
Wi ndo ws................................................ 376
Wi per blades.......................................... 376
Car
Car pe pet (Car
t (Car e)
e)............................................... 378
Changing g Changing g ears ears
Manually................................................ 211
Changing hub caps
Changing hub caps ....................................... 409 Index
523
523