sensor MERCEDES-BENZ GLB SUV 2021 Service Manual

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

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

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
Â¥ 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

Speed limit (winter ty
res) XXX km/h .......417
Speed Limit Assist cur rently una vaila-
ble See Owner's Manual........................ 416
Speed Limit Assist inoperative................ 416
Te aching in transmission comple te......... 408
Te aching in transmission Operate
selector le ver Brake for XX seconds
Risk of vehicle rolling ............................. 407
To shiT out of P or N,depress brake
and start engine.................................... .405
To switch o. the engine, press the
St art/ Stop button for at least 3 sec-
onds or 3 times......................................4 02
Tr a1c Sign Assist cur rently una vaila-
ble See Owner's Manual........................ 419
Tr a1c Sign Assist inoperative................. 419
Tr ansmission Malfunction ....................... 407
Tr ansmission Malfunction Stop............... 406
Tr ansmission Malfunction Visit work-
shop ...................................................... 408 Ty
re press. monitor cur rently una vaila-
ble......................................................... 432
Ty re press. monitor inoperative .............. 432
Ty re press. monitor inoperative No
wheel sensors ........................................ 433
Ty re pressure Check tyres ...................... 435
Ty re(s) ove rheated .................................. 435
Wi per malfunctioning .............................401
Wi thout changing gear, consult work-
shop ...................................................... 406
Dist
Dist ance contr ance contr ol
ol
see Active Distance Assist DISTRONIC
DIS
DIS TR
TRONIC
ONIC
see Active Distance Assist DISTRONIC
Door
Door Additional door loc k................................. 82
Child saf ety lock (rear door )..................... 76
Locking/unlocking (emer gency key)........ .85
Opening (from inside)............................... 83
Unlocking (from inside)............................ 83
Door contr
Door contr ol panel
ol panel ........................................ .16Do
Do
wnhill dr
wnhill dr iving assist
iving assist ance
ance
see DSR
Dra
Dra wbar
wbar
see Tow- bar system
Dr
Dr iv
ive Awa
e Away Assi st
y Assi st........................................ .250
Dr
Dr iv
ive position
e position
Engaging................................................ 183
Dr
Dr iv
ive pr
e pr ogr
ogram display
am display .................................. 180
Dr
Dr iv
ive pr
e pr ogr
ograms
ams
see DYNAMIC SELECT
Dr
Dr iv
iver's seat
er's seat
see Seat
Dr
Dr iving abr
iving abr oad
oad
Light adjustment (l owbeam).................. 142
Dr
Dr iving safe
iving safe ty syst
ty system
em
ABS (Anti-lock Braking System)............. .201
Ac tive Brake Assist................................. 222
Ad aptive brake lights.............................. 206
BAS (Brake Assist System).................... .201
Cameras................................................1 99
EBD (Electronic Brake forc e Distribu-
tion).......................................................2 04
ESP ®
Crosswind Assist.......................... 203 Index
467
467

ESP
®
trailer stabilisation........................ 203
O.-road ABS.......................................... 201
Overview................................................ 200
Ra dar and ultrasonic sensor s................. 199
Re sponsibility......................................... 199
ST EER CONTROL................................... 204
Dr Dr iving syst
iving syst em
em
Suspension with adaptive damping
adjustment............................................ 235
Dr Dr iving syst
iving syst em
em
see 360° Camera
see Active Blind Spot Assist
see Active Distance Assist DISTRONIC
see Active Emergency Stop Assist
see Active Lane Keeping Assist
see Active Parking Assist
see Active Speed Limit Assist
see Active Steering Assist
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise cont rol
see Driving saf ety sy stem
see DSR
see HOLD function
see Limi ter see
Parking Assist PARKTRONIC
see Reversing camera
see Speed Limit Assist
see Start-o. assist
see Tra1c Sign Assist
Dr
Dr iving tips iving tips
Driving abroad (low beam light adjust-
ment)..................................................... 142
Gene ral driving tips................................1 71
Ru nning-in no tes.................................... 170
Dr ow
Dr ow siness det siness det ection
ection
see ATTENTION ASSIST
DSR
DSR Activating/deactivating.......................... 218
Changing thetarg etspeed..................... 219
Fu nction................................................ 218
No tes..................................................... 218
Dynamic handling contr
Dynamic handling control syst ol system
em
see ESP ®
(Elect ronic Stability Prog ram)
D
D YN
YNAMIC SELECT AMIC SELECT
Ad aptive damping adjustmen t................235
Calling up the fuel consum ption indi-
cator...................................................... 181
Con/guring drive prog ram I................... .181 Displaying engine dat
a........................... 181
Displaying vehicle dat a........................... 181
Drive prog ram displa y............................ 180
Drive prog rams..................................... .179
Fu nction................................................ 179
Ope rating.............................................. 180
Selects the drive prog ram. ..................... 180 E
E
E10 E10.............................................................. 374
Easy entr Easy entr y f
y feature
eature
Fu nction/no tes...................................... 116
Setting.................................................. .117
Easy e
Easy e xit f
xit feature
eature
Fu nction/no tes...................................... 116
Setting.................................................. .117
EBD (Electr
EBD (Electr onic Br
onic Brak
ake f
e f or
orce Dis
ce Distr tribution)
ibution)
Fu nction/no tes...................................... 204
EC
EC O displ ay
O display
Fu nction................................................ 178
EC
EC O st
O st ar
art/st
t/st op function
op function
Switching o./on.................................... 178 468
468
Ind
ex

F
F
ir
ir e e
e e xtinguisher
xtinguisher.......................................... 329
F
F irs
irst-aid kit t-aid kit (soT
(soTsided)
sided)................................. 329
Flat to
Flat towing
wing
see Tow- bar system
Flat tyre
Flat tyre MOExtended tyres................................. 330
No tes..................................................... 330
TIREFIT kit.............................................. 332
Wheel chang e........................................ 359
Floor mats
Floor mats................................................... 140
F
F oil cov oil cov er
ering
ing
Ra dar and ultrasonic sensor s................. 199
Fr
Fr ee
ee soTw
soTw are
are................................................. 41
Fr
Fr eq
eq uencies
uencies
Mobile phone......................................... 369
Tw o-w ayradio........................................ 369
Fr
Fr ont airbag (dr
ont airbag (dr iv
iver
er , fr
, fr ont passeng
ont passeng er)
er) .............. 48
Fr
Fr ont passeng
ont passeng er seat
er seat
see Load compartment
see Seat
Fr Fr ont wheel ar ch
ont wheel ar ch
Fi tting/removing the co ver..................... 152 F
F
r
ront wheel arc
ont wheel arc h cov
h cover
er
Fi tting/removing.................................... 152
F
F uel
uel
Additives................................................ 375
Diesel.................................................... 375
E10........................................................ 374
Fu elreser ve........................................... 376
Low outside temp eratures...................... 375
Pe trol..................................................... 374
Quality (diesel )....................................... 375
Quality (petrol)....................................... 374
Re fuellin g.............................................. .186
Sulphur content..................................... 374
Ta nk content.......................................... 376
F F uel consump
uel consump tion indicat
tion indicator
or
Calling up.............................................. 181
F
F unction seat
unction seat
see Door cont rol panel
F
F uses
uses
Before replacing a fuse.......................... 345
Fu se assignment diag ram. ...................... 345
Fu se box in the engine compartment......3 46
Fu se box in the front passenger foot-
we ll........................................................ 347 Fu
se box in the load compartment......... 348
No tes..................................................... 345 G
G
Gar
Gar ag
age door opener
e door opener
Clea ring the memory.............................. 195
Gar
Gar ag
age door openers
e door openers
Opening/closing the door......................1 95
Prog ramming buttons............................. 193
Re solving problems................................ 195
Syn chronising thero lling code................ 195
Gear
Gear shiT
shiT r
recommendation
ecommendation........................... 185
Genuine par
Genuine par ts
ts................................................ 23
Glide mode
Glide mode.................................................. 185
Gr Gr oss mass
oss mass.................................................. 371 H
H
Handbr Handbr ake
ake
see Electric parking brake
Handling c Handling c har
haract
acter
eris
istics (unusual)tics (unusual) ................ 349
HANDS-FREE A HANDS-FREE A CCESS
CCESS................................... 90
Hazar
Hazar d w
d war
arning lights
ning lights................................... 145 470
470
Index

Select
Select
or lev
or lever
er
see DIRECT SELECT le ver
Self-t
Self-t est
est
Au tomatic front passenger airbag shut
o............................................................. 52
Sensor
Sensor s (car
s (care)
e)............................................. 324
Ser
Ser vice
vice
see ASSY STPLUS
Ser
Ser vice cent re
vice centre
see Quali/ed specialist workshop
Ser
Ser vice int
vice int erv
erval display
al display
see AS SYST PLUS
Se
Se tting a speed
tting a speed
see Cruise control
Se
Se tting t
tting t he map scale
he map scale
see Map
ShiT
ShiT paddles
paddles
see Steering wheel gearshiT paddles
ShiTing
ShiTing g
gears
ears
GearshiT recommendation..................... 185
Side airbag
Side airbag ..................................................... 48
Side im
Side im pact prot
pact pr otection
ection ................................. 243 Side windo
ws
Side windo ws
Au tomatic function.................................. .94
Child saf ety lock in there ar..................... .77
Closing using theke y............................... 95
Co nve nience closing............................... .95
Con venience opening.............................. .94
Opening with theke y................................ 94
Opening/closing...................................... 92
Problem................................................... 95
Ra in closing function................................ 94
Sliding sunr
Sliding sunr oof oof
Au tomatic functions................................. 98
Closing................................................... .96
Closing using theke y............................... 95
Opening................................................... 96
Opening wi th theke y................................ 94
Problem................................................... 99
Ra in-closing feature................................ .98
Smar
Smar tphone tphone
see Sma rtphone integ ration
see Telephone
Smar
Smar tphone int
tphone int egr
egration
ation
Overview................................................ 298
Sno
Sno w c
w chains
hains................................................3 49Soc
ke
Soc ket (12 V)
t (12 V)
Boot/luggage compartment................... 136
Fr ont centre console.............................. 136
Soc ke
Soc ket (115 V)
t (115 V)
Re ar....................................................... 137
SoTw
SoTw are
areupdate
update
System updates.................................... .274
Sound
Sound PRE-SAFE ®
Sound................................... 55
Sound menu
Sound menu Functions overview................................ 311
Spar
Spar e wheel
e wheel
see Emer gency spa rewheel
Specialis
Specialis t w
t work
ork shop
shop
see Quali/ed specialist workshop
Speci/c
Speci/c absorp
absorption r
tion rate
ate................................. 26
Speed Limit Assist
Speed Limit Assist Function/no tes...................................... 226
Setting................................................... 227
System limitations.................................. 226
Speed limit f
Speed limit f or wint
or winter tyr
er tyres
es
Setting................................................... 211 Index
481
481

V
V
V
V ehicle
ehicle
Activating/deactivating standby mode... 199
Ad ditional door loc k................................. 82
Cor rect use............................................. .37
Data acquisition....................................... 38
Data storag e............................................ 38
Diagnostics connection............................ 35
Equipment............................................... 24
Implied warrant y...................................... 38
Locking (automatically)............................ 85
Locking/unlocking (emer gency key)........ .85
Locking/unlocking (from inside)............... 83
Locking/unlocking (KEYLESS-GO)............ 84
Lo we ring................................................ 363
Medical aids............................................ 37
Pa rking up............................................. 198
QR code rescue car d............................... 38
Quali/ed specialist workshop.................. .36
Ra ising................................................... 360
REACH regulation.................................... 37
Re gistration............................................. 36
Setting collision de tection (par ked
ve hicle).................................................. 197
St andby mode function.......................... 198 St
arting (emer gency ope ration mode ).... 168
St arting (Remo teOnline)........................ 170
St arting (start/stop but ton)................... 168
SV HC (substances of very high conce rn)..37
Switching o. (start/stop button)............ 192
Switching on (start/stop button)............ 167
To wing................................................... 257
Ve ntilating (con venience opening)........... .94
V V ehicle batt
ehicle batt ery
ery
see On-board electrical system battery (12 V)
V
V ehicle camera
ehicle camera
Information............................................ 199
V
V ehicle data
ehicle data
Angle of approach/departure.................3 81
Displaying (DYNAMIC SELECT)...............1 81
Maximum gradient climbing ability......... 381
Ro of load............................................... 381
Ve hicle height....................................... .381
Ve hicle length........................................ 381
Ve hicle widt h......................................... 381
Wheelbase............................................. 381
V
V ehicle dimensions
ehicle dimensions...................................... 381
V
V ehicle emerg
ehicle emerg ency st
ency start
art............................... 345 V
V
ehicle
ehicle identi/cation
identi/cation number
number
see VIN
V
V ehicle
ehicle identi/cation
identi/cation plate
plate
EU type appro val number....................... 371
Maximum gross vehicle weight............... 371
Pa int code............................................. 371
Pe rm issible axle load.............................. 371
VIN........................................................3 71
V
V ehicle int
ehicle int er
erior
ior
Cooling or heating (Remo teOnline)........ 169
V
V ehicle key
ehicle key
see Key
V
V ehicle maint
ehicle maint enance
enance
see ASS YST PLUS
V
V ehicle sensors
ehicle sensors
Information............................................ 199
V
V ehicle t
ehicle t ool kit
ool kit
TIREFIT kit............................................. .331
To wing eye............................................. 344
V
V entilating
entilating
Con venience opening.............................. .94
V
V entilation
entilation
see Climate control 486
486
Index