2021 MERCEDES-BENZ GLB SUV warning

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Consult a quali/ed specialist workshop.
J
Brake system warning lamp
(red) *T
he red brake warning lamp is lit while theve hicle is running.
Po ssible causes:
R The brake forc e boosting is malfunctioning and the braking characteristics may be a.ected.
R There is insu1cient brake 0uid in the brake 0uid reser voir. #
Notethe messages on the instrument displa y. &
W
WARNI NG
ARNI NGRisk of accident and injury if brake forc e boosting is malfunctioning
If brake forc e boosting is malfunctioning, increased brake pedal forc e may be necessary for braking. The braking
ch aracteristics may be impaired. The braking dis tance can increase in eme rgency braking situations. #
Stop in a safe location immediatel y.Do not continue driving! #
Consult a quali/ed specialist workshop. &
W
WARNING
ARNING Risk of an accident due tolow brake 0uid le vel
If th e brake 0uid le vel is too lo w,the braking e.ect and the braking characteristics may be impaired. #
Stop theve hicle as soon as possible, paying attention toroad and tra1c conditions. Do not continue driving. #
Consult a quali/ed specialist workshop. #
Do not top up the brake 0uid. 450
450
Display messages and
warning/indicator lamps

Dr
Dr
iving syst
iving syst ems
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
L
Wa rning lamp for distance
wa rning function *T
he red distance warning lamp lights up while theve hicle is in motion.
The dis tance totheve hicle in front is too small forth e speed selected.
If th ere is an additional warning tone, you are approaching an obstacle at too high a speed. #
Be prepared tobrake immediatel y. #
Increase the distance.
Fu nction of Active Brake Assist (/ page 222).
Ó Ac tive Brake Assist warning
lamp *T
heActive Brake Assist warning lamp is on.
Due todirty sensors or a malfunction, the system is not available or thera nge of functions is restric ted. #
Notethe messages on the instrument displa y.
ê
Ac tive Brake Assist warning
lamp *T
heActive Brake Assist warning lamp is on.
The system is switched o. or thera nge of functions has been automatically restric ted.
This may be the case if the driver is not wearing a seat belt or ano ther driving system has been activated. #
Obser vethe no tes on Active Brake Assist (/ page 222). Display messages and
warning/indicator lamps
451
451

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 WARNI 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. ÷
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 202). #
Adapt your driving style tosuit thero ad and weather conditions. 452 452
Displ
aymessages and warning/indicator lamps

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 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
W ARNI 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. &
W
WARNING
ARNING Risk of skidding when driving with ESP ®
deactivated
ESP ®
does not act tostabilise theve hicle. The availability of fu rther driving saf ety sy stems is also limi ted. #
Drive on carefull y. #
Deactivate ESP ®
only for as long as the situation requ ires. Display message
s andwarning/indicator lamps
453
453

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
If ESP ®
cannot be activated, ESP ®
is malfunctioning. #
Have ESP ®
ch ecked immediately at a quali/ed specialist workshop. #
Obser vethe no tes on deacti vating ESP ®
(/ page 202). T
T
yr
yr e pr
e pr essur
essur e monit
e monit or
or W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
h
Ty re pressure monitoring
system warning lamp 0ashes *The
yellow tyre pressure monitor warning lamp (pressure loss/malfunction) 0ashes for appr oximately one minute and
th en remains lit.
The tyre pressure monitor is malfunctioning. &
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. 454
454
Displ
aymessages and warning/indicator lamps

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
h
Ty re pressure monitoring
system warning lamp lights
up *T
he yellow tyre pressure monitoring system warning lamp (pressure loss/malfunction) is lit.
The tyre pressure monitoring system has de tected tyre pressure loss in at least one of the tyres. &
W
WARNING
ARNING Risk 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.
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 and the tyres. Display messages and
warning/indicator lamps
455
455

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........................................... 345
To wing away.......................................... 341
Tr anspo rting theve hicle........................ .343
Wheel chang e........................................ 359
Br
Br ea kdo
eakdo wn
wn
see Flat tyre
Butt
Butt ons
ons
St eering wheel....................................... 260 C
C
Calls
Calls Mercedes me......................................... 290
Camera
Camera Information............................................ 199
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)............................................ 319
Car
Car -t
-to-X
o-X -Communication
-Communication
Displaying hazard warnings.................... 284
Care
Care 360° camera......................................... 324
Air-water duct........................................ 319
Automatic car wash.............................. .319
Carpet................................................... 325
Decorative foil........................................ 323
Display................................................... 325
Exterior lighting...................................... 324
Head-up display..................................... 325
High-pressure cleaner............................3 21
Pa int...................................................... 322
Plastic trim............................................3 25
Re alwo od/trim elements..................... .325
Re versing camera..................................3 24
Ro of lining............................................. 325
Seat belt................................................ 325
Seat co ver............................................. 325 Sensors................................................. 324
St eering wheel....................................... 325
Ta ilpipes................................................ 324
Tr ailer hitc h............................................ 324
Wa shing byhand.................................... 322
Wheels/rims.......................................... 324
Wi ndo ws................................................ 324
Wi per blades.......................................... 324
Car
Car pe pet (Car
t (Car e)
e)............................................... 325
Changing bulbs
Changing bulbs Dipped beam......................................... 153
Fitting/removing co ver (front wheel
ar ch )...................................................... 152
Main beam............................................. 153
No tes..................................................... 151
Overview................................................ 152
Re versing lights......................................1 53
Tu rn signal lights (rear)........................... 153
Changing g
Changing g ears ears
Manually................................................ 184
Changing hub caps
Changing hub caps ....................................... 359
Char
Char ging
ging
On-board elect rical system battery
(12 V).................................................... 339 460
460
Index

#
Stop vehicle Lea veengine run-
ning ....................................................... 432
# Stop vehicle See Owner's Man-
ual......................................................... 431
ç suspended .................................... 415
: Switch o. lights............................ 392
: Switch on headlamps .................... 392
á temp orarily una vailable Camera
view restric ted....................................... 423
¸ temp orarily una vailable Sensors
dirty....................................................... 422
Ú Top up AdBlue Emer gency op. in
XXX miles See Owner's Manual.............. 437
+ Top up coolant See Owner ’s
Manual.................................................. 402
¥ Top up washer 0uid...................... .401
d Trans. oil overheated Drive on
with care................................................ 407
! Turn on the ignition torelease
th e parking brake ................................... 412 Ú
.................................................... 437
d Vehicle is operational Switch o.
ignition before exiting............................. 395
h Warning tyre defect....................... 434
h Wheel sensor(s) missing ................ 433
Ú XX,X l Top up AdBlue Swit chon
ignition, wait 60 sec. or eng. start not
poss...................................................... 438
Ac tive Blind Spot Assist cur rently
una vailable See Owner's Manual ............ 420
Ac tive Blind Spot Assist inoperative........ 421
Ac tive Blind Spot Assist not available
when towing a trailer See Owner's
Manual................................................. .421
Ac tive bonnet malfunction See Own-
er's Manual............................................ 399
Ac tive Brake Assist Functions cur-
re ntly limi ted See Owner's Manual .........428
Ac tive Brake Assist Functions limi ted
See Owner's Manual.............................. 429 Ac
tive Distance Assist available again ..... 416
Ac tive Distance Assist cur rently
una vailable See Owner's Manual ............ 415
Ac tive Distance Assist inoperative.......... 416
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual ............ 421
Ac tive Lane Keeping Assist inoperative... 421
Ac tive Steering Assist cur rently
una vailable due tomultiple emer-
ge ncy stops........................................... 418
Ac tive Steering Assist cur rently
una vailable See Owner's Manual ............ 418
Ac tive Steering Assist inoperative...........4 18
Ad aptive Highbeam Assist cur rently
una vailable See Owner's Manual ............ 393
Ad aptive Highbeam Assist inoperative ....3 93
Ad aptive Highbeam Assist Plus cur-
re ntly una vailable See Owner's Manual ... 393
Ad aptive Highbeam Assist Plus inop-
erative.................................................. .394 Index
465 465