2021 MERCEDES-BENZ GLB SUV coolant

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
ÿ
Coolant Stop vehicle
Switch engine off *T
he coolant is too hot. #
Stop immediately in accordance with the tra1c conditions and switch o. theve hicle. &
W WARNING
ARNING Risk of burns when opening the bonnet
If yo u open the bonnet in theev ent of an overheated engine or /re in the engine compartment, thefo llowing situa-
tions may occur:
R You may come into contact with hot gases.
R You may come into contact with other escaping hot operating 0uids. #
Before opening the bonnet, allow the engine tocool down. #
Intheev ent of a /re in the engine compartment, keep the bonnet closed and call the /re service. #
Wait until the engine has cooled down. #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest quali/ed specialist workshop. In doing so, ensu rethat the
coolant temp erature display remains below 120°C.
ÿ *T
here is a malfunction in the engine cooling system. #
Avoiding high loads on the engine, drive tothe nearest quali/ed specialist workshop. In doing so, ensu rethat the
coolant temp erature display remains below 120°C. Display messages and
warning/indicator lamps
403
403

W
W
ar
ar ning and indicat
ning and indicat or lam
or lamps
ps Ov
Ov
er
ervie
vie w of indicat
w of indicat or and w
or and war
arning lam
ning lam ps
ps Some systems will per
form a self-test when the
ve hicle is switched on. Some indicator and warn-
ing lamps may brie0y light up or 0ash. This beha v-
iour is non-critical. These indicator and warning
lamps indicate a malfunction only if they light up
or 0as haTer theve hicle has been star ted or dur-
ing a journe y.
S
S t
tandar
andar d ins
d instr
trument displ ay
ument display W
W
idescr
idescr een coc
een coc kpit ins
kpit instrtrument display
ument display Depending on
the display setting, the positions of
th e indicator lamps on the inst rument display may
di.er from theex ample shown.
Indicat
Indicat or and w
or and w ar
arning lam
ning lam ps:
ps:
6 Restraint system (/ page 443)
ü Seat belt (/ page 443)
ï Trailer hitch (/ page 444)
Ù Powe r steering (/ page 444)
ÿ V
V ehicles wit
ehicles wit h a widescr
h a widescr een coc
een cockpit
kpit :
:
coolant temp erature (/ page 446)
; Engine diagnostics (/ page 446)%
V
V ehicles wit
ehicles wit h a diesel engine:
h a diesel engine: preglow
# Electricalfault (/ page 446)
æ Reser vefuel wi thfuel /ller 0ap loca-
tion indicator (/ page 446)
! Electric parking brake (red)
(/page 449)
! Electric parking brake (yellow)
(/page 449)
J Brakes (yellow) (/ page 449)
J Brakes (red) (/ page 449)
L Distancewarning (/ page 451)
Ó Active Brake Assist (/ page 451)
ê Active Brake Assist (/ page 451)
! ABS (/page 452)
÷ ESP®
(/ page 452)
å ESP®
OFF (/ page 452)
h Tyre pressure monitoring system
(/ page 454)
T Standing lights (/ page 142)
L Low beam (/ page 142)442 442
Displ
aymessages and warning/indicator lamps

Engine
Engine
W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
ÿ
Coolant warning lamp (red) *T
he red coolant warning lamp is lit while the engine is running.
Po ssible causes:
R The temp erature sensor is malfunctioning
R The coolant le vel is too low
R The air supply tothera diator is obstructed
R The radiator fan is faulty
R The engine coolant pump is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded 120°C. &
W
WARNING
ARNING Risk of burns when opening the bonnet
If yo u open the bonnet in theev ent of an overheated engine or /re in the engine compartment, thefo llowing situa-
tions may occur:
R You may come into contact with hot gases.
R You may come into contact with other escaping hot operating 0uids. #
Before opening the bonnet, allow the engine tocool down. #
Intheev ent of a /re in the engine compartment, keep the bonnet closed and call the /re service. #
Stop immediately in accordance with the tra1c conditions and switch o. theve hicle. Do not continue driving. 446
446
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 #
Notethe messages on the instrument displa y.
If t
If t he coolant t
he coolant t em
emper
per atur
atur e displa
e displa y is at t
y is at the low
he lower end of t
er end of t he t
he tem
emper
per atur
atur e scale:
e scale: #
Consult a quali/ed specialist workshop.
If t
If t he coolant t
he coolant t em
emper
per atur
atur e displa
e displa y is at t
y is at the upper end of t
he upper end of t he t
he tem
emper
per atur
atur e scale:
e scale: #
Exit theve hicle and keep a safe distance from it until the engine has cooled down. #
Check the coolant le vel (/ page 318). #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest quali/ed specialist workshop. In doing so, ensu rethat the
coolant temp erature display remains below 120°C.
ÿ
Coolant warning lamp (yel-
low) *T
he yellow coolant warning lamp is lit while the engine is running.
Po ssible causes:
R The temp erature sensor is malfunctioning
R The charge air, transmission oil or battery cooling is faulty
R The radiator shutters are bloc ked or defective #
Avoiding high loads on the engine, drive tothe nearest quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
447
447

Coc
Coc
kpit
kpit
Overview.................................................... 6
Co.ee
Co.ee cup symbol
cup symbol
see ATTENTION ASSIST
Collision det
Collision det ection (park
ection (parked v
ed vehicle)
ehicle)
Information............................................ 197
Combination switch
Combination switch .................................... .144
Com
Com ponent-speci/c
ponent-speci/c inf
infor
ormation
mation................... 370
Com
Com put
puter
er
see On-board computer
Conv
Conv enience closing
enience closing...................................... 95
Conv
Conv enience opening
enience opening..................................... 94
Coolant (engine)
Coolant (engine)
Levelch eck............................................ 318
No tes..................................................... 379
Cooling
Cooling see Climate control
Cop
Cop yr
yright
ight....................................................... 41
Cor Cor ner nering light
ing light............................................. 146
Cr
Cr oss
oss tr
tra1c
a1c (w
(war
arning)
ning)
see Manoeuvring assis tance
Cr
Cr oss
oss Tr
Tra1c
a1c Alert
Alert........................................ 251 Cr
Cr
osswind Assist
osswind Assist
Fu nction/no tes...................................... 203
Cr
Cr uise contr
uise contr ol
ol
Ac tivating............................................... 210
Buttons.................................................. 210
Calling up a speed................................. 210
Deactivating........................................... 210
Fu nction................................................ 208
Re quirements:....................................... 210
Selecting............................................... 210
Setting a speed...................................... 210
St oring a speed...................................... 210
System limitations.................................. 208 D D
Dam
Dam ping adjus
ping adjus tment
tment.................................... 235
Dashboard
Dashboard see Cockpit
Dashcam
Dashcam Notes..................................................... 285
Selecting a USB device......................... .286
St arting/stopping a video recording...... .286
Dat
Dat a acq
a acq uisition
uisition
Ve hicle..................................................... 38 Dat
Dat
a pr ot
a pr otection r
ection r ights
ights
Data storag e............................................ 41
Dat
Dat a st
a st or
orage
age
Data pr otection rights.............................. 41
Electronic control units............................ 38
Online services........................................ 40
Ve hicle..................................................... 38
Deactiv Deactiv ating t
ating the alar
he alar m (AT
m (ATA)
A)........................ .100
Dealer
Dealer ship
ship
see Quali/ed specialist workshop
Declar
Declar ation of conf
ation of conf or
ormity
mity
Elect romagnetic compatibilit y.................. 26
Impor ter addresses.................................. 33
Jack.........................................................33
Speci/c absor ption rate........................... 26
TIREFIT kit................................................ 34
Wi reless vehicle component s................... 26
Decor
Decor ativ ative f
e foil (cleaning ins
oil (cleaning instr tructions)
uctions)........... 323
DeN
DeNOx ag Ox ag ent
ent
see AdBlue ®
Des
Destination entry tination entry
Entering a POI or addres s....................... 281 462
462
Index

ÿ
Coolant Stop vehicle Switch
engine o............................................... 403
! currently una vailable See Own-
er's Manual............................................4 25
÷ currently una vailable See Own-
er's Manual............................................4 26
5 Engine oil le vel cannot be meas-
ured....................................................... 441
5 Engine oil le velRe duce oil le vel..... 440
5 Engine oil le velSt op vehicle
Switch engine o.................................... 440
5 Engine oil pressure Stop Switch
o. engine.............................................. 441
ä Fault Drive at max. 80 km/h ......... 424
6 Front leT malfunction Consult
wo rkshop (e xample)...............................3 86
& inoperative Battery low................. 395
& inoperative Refuel vehicle............. .395
& inoperative See Owner's Man........ 394
! inoperative See Owner's Manual.. .426 ÷
inoperative See Owner's Manual.. .427
T inoperative See Owner's Manual.. .428
G Inoperative................................... 429
î inoperative....................................4 17
: Intelligent Light System inopera-
tive........................................................ 392
Á Key being initialised Please wait.... 390
Á Key not de tected (red display
message).............................................. .390
Á Key not de tected (white display
message).............................................. .389
: LeT dipped beam (e xample).......... 391
6 LeT windowbag malfunction
Consult workshop (e xample).................. 386
: Malfunction See Owner's Man-
ual.........................................................3 91
î Max. speed 40 km/h .................... 418
ð Maximum speed exceeded ............ 417
î Not possible in cur rent drive
prog ram................................................. 417 ç
O................................................. 415
ë O................................................. 413
! Parking brake See Owner's
Manual..................................................4 09
h Rectify tyre pressure ..................... 434
Ú Re/ll AdBlue See Owner ’sMan-
ual ......................................................... 437
! Release parking brake ...................411
¸ Replace air cleaner ....................... 404
Á Replace key.................................. 389
æ Reser vefuel le vel.......................... 404
6 Restraint sys. malfunction Con-
sult workshop ....................................... .386
# See Owner's Manual..................... 430
Ù Steering malfunction Increased
ph ysical e.ort See Owner's Manual.......3 97
Ù Steering malfunction See Own-
er's Manual ............................................ 398
Ù Steering malfunction Stop
immediately See Owner's Manual ........... 398464
464
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

Opening t
Opening t
he t
he tailg
ailgat
ate using y
e using y our f
our foot
oot
HANDS-FREE ACCESS............................. 90
Oper
Oper ating
ating 0uids
0uids
Ad Blue ®
................................................ .377
Ad ditives (fuel)....................................... 375
Brake 0uid............................................. 379
Coolant (engine).................................... 379
Engine oil............................................... 378
Fu el (diesel)........................................... 375
Fu el (petrol)........................................... 374
No tes..................................................... 372
windsc reen washer 0uid......................... 380
Oper
Oper ating safe ating safe ty
ty
Declaration of conformity (elect ro-
magnetic compatibility)........................... .26
Declaration of conformity (jack)............... 33
Declaration of conformity (TIREFIT kit)...... 34
Declaration of conformity (wireless
ve hicle components)................................ 26
Informatio n.............................................. 25
Oper
Oper ating syst ating syst em
em
see On-boa rdcomputer
Outside mirr
Outside mirr ors
ors
Anti-dazzle mode (automatic)................. 159 Au
tomatic mir rorfo lding function........... 160
Fo lding in/out........................................1 58
Operating the memory function.............. 118
Pa rking position..................................... 159
Setting................................................... 158
Ov
Ov er
er head contr
head contr ol panel
ol panel
Overview.................................................. 14
Owner's Manual
Owner's Manual Vehicle equipment................................... 24
Owner's Manual (digit
Owner's Manual (digit al)
al)................................. 20 P
P
P
P aint (cleaning ins
aint (cleaning ins tr
tructions)
uctions) ........................ .322
P
P aint code
aint code................................................... 371
P
P anor
anor ama sliding sunr
ama sliding sunr oof
oof
see Sliding sunroof
P
P ar
ar k position
k position
Engaging................................................ 183
Selecting automatically..........................1 83
P
P ar
ar king
king
see Electric parking brake
P
P ar
ar king aid
king aid
see Parking Assist PARKTRONIC P
P ar
ar king Assis
king Assist P t PARK
ARK TR
TRONIC
ONIC
Ac tivating............................................... 245
Ad justing warning tones......................... 245
Deactivating........................................... 245
Fu nction................................................ 241
Side impact pr otection........................... 243
System limitations.................................. 241
P P ar
ar king assist
king assist ance syst
ance systems
ems
see Active Parking Assist
P
P ar
ar king br
king br ake
ake
see Electric parking brake
P
P ar
ar king lights
king lights............................................... 142
P
P ar
ar king op
king op tion
tion
Selecting............................................... 284
P
P ar
ar king position
king position
Outside mir rors...................................... 159
St oring the position of the passenger
outside mir ror using reve rsege ar........... 160
P
P ar
ar king ser
king ser vice
vice
Selecting parking options...................... .284
P
P ar
ar king up
king up................................................... 198
P
P ar
ar titioning net
titioning net
At tach ing/removing............................... 131 Index
477
477