check engine MERCEDES-BENZ GLB SUV 2021 User Guide

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
#
Stop vehicle Leave engine
running *T
he 12 V battery charge leve l is too lo w. #
Stop theve hicle immediately in accordance with the tra1c conditions. Do not continue driving. #
Leavetheve hicle running #
Ifth e display message disappears: drive on. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop. T T
yr
yr e pr
e pr essur
essur e monit
e monit or
or Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
Tyre press. monitor cur-
rently unavailable *T
here is inter fere nce from a po werful radio signal source. As a result, no signals from the tyre pressure sensors are
being received. The tyre pressure monitoring system is temp orarily una vailable.
The tyre pressure monitoring system will restart au tomatically as soon as the cause has been recti/ed. #
Drive on.
Tyre press. monitor inoper-
ative *T
he tyre pressure moni toring system is malfunctioning. &
W WARNI NG
ARNI NGThere 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. 432
432
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 #
Switch o. theve hicle. #
Add 1 l of engine oil (/ page 316). #
Check the engine oil le vel.
No tes on engine oil (/ page 378).
5
Engine oil pressure Stop
Switch off engine *T
he oil pressure is too lo w.
* N
N O OTE
TE Engine damage caused bydriving with insu1cient oil pressure #
Avoid driving with insu1cient oil pressure. #
Stop theve hicle immediately in accordance with the tra1c conditions. Do not continue driving. #
Switch o. theve hicle. #
Consult a quali/ed specialist workshop.
5
Engine oil level cannot be
measured *T
he elect rical connection tothe oil le vel sensor has been inter rupted or the oil le vel sensor is faulty. #
Consult a quali/ed speciali stwo rkshop. Displ
aymessages and warning/indicator lamps
441 441

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

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
;
Engine diagnosis warning
lamp *T
he yellow engine diagnostics warning lamp is lit while the engine is running.
A malfunction has occur red in the engine, theex haust system or the fuel system.
The emissions limit value may ha vebeen exceeded and the engine may be running in eme rgency operation mode. #
Have theve hicle checked as soon as possible at a quali/ed specialist workshop.
V
V ehicles wit
ehicles wit h a diesel engine:
h a diesel engine: the fuel tank may ha vebeen run dr y. #
Start the engine thre eto four times aTer refuelling.
If th eye llow engine diagnosis warning lamp goes out, emer gency ope ration mode is cancelled. The vehicle need not
be checked.
# Electrical fault warning lamp *T
hered electrical fault warning lamp is lit.
There is a fault in the electrics. #
Notethe messages on the instrument displa y.
æ
Fu elreser vewarning lamp
lights up *T
he yellow fuel reser vewarning lamp lights up while the engine is running.
The fuel supply has dropped into there ser verange. #
Refuel. 448
448
Display messages and
warning/indicator lamps

Det
Det
ecting inatt
ecting inatt entiv
entiveness
eness
see ATTENTION ASSIST
Diagnos
Diagnostics connection tics connection.................................. 35
Diesel
Diesel
Low outside temp eratures...................... 375
No tes..................................................... 375
Digit
Digit al Owner's Manual
al Owner's Manual.................................. 20
Dingh
Dingh yto
y to wing
wing
see Tow- bar system
Dipped beam
Dipped beam
Changing bulbs...................................... 153
DIRECT SELECT lev
DIRECT SELECT lev er
er
Engageing reve rsege ar.......................... 183
Engaging drive position.......................... 183
Engaging neutral.................................... 183
Engaging park position automaticall y...... 183
Fu nction................................................ 182
Selecting park position........................... 183
Displa
Displa y (car
y (care)
e)............................................... 325
Displa
Displa y (MBUX multimedia syst
y (MBUX multimedia syst em)
em)
Home sc reen......................................... 266
Operating.............................................. 267 Displa
Displa y (on-boar
y (on-boar d com
d com put
puter)
er)
Displa yson the inst rument displa y......... 262
Displa
Displa y in t
y in t he windscr
he windscr een
een
see Head-up display
Displa
Displa y message
y message
Calling up (on-board computer).............. 385
No tes..................................................... 385
Displa
Displa y messag
y messag es es
ç - - - km/h.................................... .415
È - - - km/h..................................... 414
h - - - km/h..................................... 414
_ 2nd seat row, leT Not loc ked......... 400
_ 2nd seat row, right Not loc ked...... 401
# 12 V battery See Owner's Man-
ual......................................................... 430
: Active Light System inoperative..... 392
¯ AdBlue system fault Emer. op.:
max. XXX km/h Start not poss. in
XXX km.................................................. 439
¯ AdBlue system fault Emer gency
op. in XXX miles See Owner's Manual.... 438 ¯
AdBlue system fault Engine
start not possible................................... 439
¯ AdBlue system fault See Own-
er's Manual............................................ 438
5 Add 1 litre engine oil when next
re fuelling ............................................... 440
é ATTENTION ASSIST inoperati ve..... 413
é ATTENTION ASSIS T:Take a
break!.................................................... 413
: Automatic driving lights inoper-
ative...................................................... 391
û Before starting the engine, turn
th e steering wheel.................................. 399
Á Change key batteries .................... 389
J Check brake 0uid le vel.................. 412
ï Check trailer hitch lock (white
display message) .................................... 396
h Check tyre(s) ................................ 433
! Clean the fuel /lter....................... 404 Index
463 463

Anti-theT ala
rmsystem Malfunction .......4 00
Apply brake todeselect Park (P) posi-
tion....................................................... .405
Apply brake toselect D or R ...................405
Apply brake toselect R .......................... 405
Au xiliary battery malfunction (red dis-
play message) ....................................... .408
Au xiliary battery malfunction (white
displ aymessage) .................................... 408
Beginning emer gency stop..................... 419
Blind Spot Assist cur rently una vailable
See Owner's Manual.............................. 420
Blind Spot Assist inoperative.................. 420
Blind Spot Assist not available when
to wing a trailer See Owner's Manual ...... 420
Cann otstart engine See Owner's
Manual................................................. .402
Check brake pads See Owner's Man-
ual......................................................... 412 Check tyre pressures
then restart Run
Flat Indicator......................................... 436
Cruise control and Limiter inoperative.... 414
Cruise control inoperative...................... 414
Cruise control o....................................4 14
Device de tected at diagnostics con-
nection See Owner's Manual................. .430
Drive system Malfunction Stop Switch
engine o............................................... 404
Drive system Malfunction Visit work-
shop ...................................................... 404
Fr ont-passenger airbag disabled See
Owner's Manual .................................... .387
Fr ont-passenger airbag enabled See
Owner's Manual .................................... .387
Hazard warning lamps malfunctioning .... 394
Head-up display cur rently una vailable
See Owner's Manual.............................. 397
Head-up display inoperative ...................397
Limiter inoperative................................. 414 Limiter passive....................................... 414
N permanently active Risk of
vehicle
ro lling....................................................4 06
Only select Park (P) when vehicle is
stationary.............................................. 405
Pa rking Assist and PARKTRONIC inop-
erative See Owner's Manual................... 424
Pa rking lock inoperative Apply the
parking brake ........................................ .407
Place theke y in the mar ked space
See Owner's Manual.............................. 390
PRE-SAFE inoperative See Owner's
Manual.................................................. 388
Re duce speed........................................ 435
Re versing not poss. Consult workshop ... 406
Risk of vehicle rolling away Apply
parking brake See Owner's Manual ........ 408
Risk of vehicle rolling Driver door
open and transmission not in P .............. 406
Ru n Flat Indica tor inoperative.................4 36466 466
Index

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

Electr
Electr
ic par
ic parking br
king br ake
ake
Applying automaticall y........................... 196
Applying/releasing manually.................. 197
Emer gency braking................................ 197
Re leasing automaticall y.......................... 196
Electr
Electr ical fuses
ical fuses
see Fuses
Electr Electr omagne omagne tic com
tic compatibility
patibility
Declaration of conformity........................ .26
Electr
Electr onicSt
onic Stability Pr
ability Pr ogr
ogram
am
see ESP ®
(Elect ronic Stability Prog ram)
Emerg
Emerg ency
ency
Assis tance overview................................. 18
Fire extinguisher.................................... 329
Fi rs t-aid kit (soT sided).......................... 329
Re moving thewa rning triangle............... 328
Saf etyve st............................................. 328
Setting up thewa rning triangle............... 329
Emerg
Emerg ency br
ency br aking
aking...................................... 197
Emerg
Emerg ency br
ency br aking
aking
see BAS (Brake Assist System)
Emerg
Emerg ency call
ency call
see Me rcedes-Benz emer gency call system Eme
rg
Emerg encykey
ency key
Inserting/ removing.................................. 81
Locking/unlocking the doors................... 85
Unlocking theta ilgat e.............................. 92
Emerg
Emerg ency oper
ency oper ation mode
ation mode
St arting theve hicle............................... .168
Emerg
Emerg ency spar
ency spar e wheel
e wheel
In0ating................................................. 365
No tes..................................................... 364
Engine
Engine Engine number....................................... 371
Starting (emer gency ope ration mode ).... 168
St arting (Remo teOnline)........................ 170
Engine data
Engine data
Displaying.............................................. 181
Engine electr Engine electr onics
onics
No tes..................................................... 368
Engine number
Engine number ............................................. 371
Engine oil
Engine oil Additives................................................ 378
Capacity................................................ 378
Checking the oil le vel using the on-
board computer..................................... 316
MB-F reigabe or MB-Appr oval.................. 378 Quality................................................... 378
To
pping up............................................ .316
ERA
ERA -GL -GLON
ONASS t ASS t es
est modet mode
St arting/ending.................................... .304
Err
Err or message
or message
see Display message
ESC (Electr
ESC (Electr onicSt
onic Stability Contr
ability Contr ol)
ol)
see ESP ®
(Elect ronic Stability Prog ram)
ESP
ESP ®
®
Crosswind Assis t.................................... 203
Tr ailer stabilisatio n................................. 203
ESP
ESP ®
®
(Electr
(Electronic St
onic Stability Pr
ability Pr ogr
ogram)
am)
Ac tivating/deactivating.......................... 204
Fu nction/no tes...................................... 202
EU type appr ov
EU type appr oval number
al number ............................. 371
Ext
Ext er
erior lighting
ior lighting
Care..................................................... .324
Ext
Ext er
erior lighting
ior lighting
see Lights F
F
F
F atigue det
atigue det ection
ection
see ATTENTION ASSIST Ind
ex
469
469