2021 MERCEDES-BENZ B-CLASS HATCHBACK battery

:
Intelligent Light System inopera-
tive........................................................ 421
Á Key being initialised Please wait.... 418
Á Key not de tected (red display
message).............................................. .418
Á Key not de tected (white display
message).............................................. .418
: LeT dipped beam (e xample).......... 419
0075 LeT windowbag malfunction
Consult workshop (e xample).................. 415
: Malfunction See Owner's Man-
ual.........................................................4 20
00D7 Malfunction Visit workshop ........... 429
0080 Malfunction.................................. 430
00D7 Malfunction.................................. 429
ð Maximum speed exceeded ............ 455
ç O................................................. 453
00D9 O................................................. 451
0024 Parking brake See Owner's
Manual..................................................4 460080
Performance se verely limited........ 430
00B4 Please wait Depressurising tank .... 431
003B Pre-entry clima tecont rol (via
ke y) available again aTer engine start..... 425
003B Pre-ent ryclimate cont rol (via
ke y) inoperati veHV-battery low .............. 425
0077 Rectify tyre pressure ..................... 471
Ú Re/ll AdBlue See Owner ’sMan-
ual ......................................................... 474
0024 Release parking brake ...................449
009E Replace air cleaner ....................... 440
Á Replace key.................................. 417
00D4 Reser vefuel le vel.......................... 440
0075 Restraint sys. malfunction Con-
sult workshop ....................................... .413
003D See Owner's Manual..................... 467
Ù Steering malfunction Increased
ph ysical e.ort See Owner's Manual....... 434
Ù Steering malfunction See Own-
er's Manual ............................................ 435 Ù
Steering malfunction Stop
immediately See Owner's Manual ........... 434
0080 Stop Switch engine o.................. .430
003D Stop vehicle Lea veengine run-
ning ....................................................... 469
003D Stop vehicle See Owner's Man-
ual......................................................... 468
ç suspended .................................... 453
: Switch o. lights............................ 421
: Switch on headlamps .................... 421
00B4 Tank is dep ressurised Ready for
re fuelling ............................................... 431
00B4 Tank ventilation Malfunction
Consult workshop ................................. .431
á temp orarily una vailable Camera
view restric ted....................................... 460
¸ temp orarily una vailable Sensors
dirty....................................................... 459
Ú Top up AdBlue Emer gency op. in
XXX miles See Owner's Manual.............. 474 504 504
Ind
ex

00BD
Top up coolant See Owner ’s
Manual.................................................. 439
00B2 Top up washer 0uid...................... .437
u Towing not permitted See Own-
er's Manual ............................................ 426
0080 Trans. oil overheated Drive on
with care................................................ 444
0024 Turn on the ignition torelease
th e parking brake ................................... 449
Ú .................................................... 474
0072 Vehicle is operational Switch o.
ignition before exiting............................. 432
0077 Warning tyre defect....................... 471
0077 Wheel sensor(s) missing ................ 470
Ú XX,X l Top up AdBlue Swit chon
ignition, wait 60 sec. or eng. start not
poss...................................................... 475
"Electric" drive prog ram cur rently
una vailable............................................. 428 Ac
tive Blind Spot Assist cur rently
una vailable See Owner's Manual ............ 458
Ac tive Blind Spot Assist inoperative........ 458
Ac tive Blind Spot Assist not available
when towing a trailer See Owner's
Manual.................................................. 458
Ac tive bonnet malfunction See Own-
er's Manual............................................ 435
Ac tive Brake Assist Functions cur-
re ntly limi ted See Owner's Manual .........465
Ac tive Brake Assist Functions limi ted
See Owner's Manual.............................. 466
Ac tive Distance Assist available again ..... 454
Ac tive Distance Assist cur rently
una vailable See Owner's Manual ............ 453
Ac tive Distance Assist inoperative.......... 454
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual ............ 458
Ac tive Lane Keeping Assist inoperative... 459 Ac
tive Steering Assist cur rently
una vailable due tomultiple emer-
ge ncy stops........................................... 456
Ac tive Steering Assist cur rently
una vailable See Owner's Manual ............ 455
Ac tive Steering Assist inoperative...........4 55
Ad aptive Highbeam Assist cur rently
una vailable See Owner's Manual ............ 421
Ad aptive Highbeam Assist inoperative ....4 22
Ad aptive Highbeam Assist Plus cur-
re ntly una vailable See Owner's Manual ... 422
Ad aptive Highbeam Assist Plus inop-
erative.................................................. .422
Anti-theT alarm system Malfunction ....... 437
Apply brake todeselect Park (P) posi-
tion....................................................... .441
Apply brake toselect D or R ...................442
Apply brake toselect R .......................... 442
Au xiliary battery malfunction (red dis-
play message) ....................................... .446 Index
505 505

Au
xiliary battery malfunction (white
displ aymessage) .................................... 445
Beginning emer gency stop..................... 456
Blind Spot Assist cur rently una vailable
See Owner's Manual.............................. 457
Blind Spot Assist inoperative.................. 457
Blind Spot Assist not available when
to wing a trailer See Owner's Manual ...... 457
Cann otstart engine See Owner's
Manual................................................. .438
Charging fault Please change charging
me thod See Owner's Manual .................427
Charging me thod cur rently una vaila-
ble Please try again or change charg-
ing me thod............................................ 427
Check brake pads See Owner's Man-
ual........................................................ .450
Check tyre pressures then restart Run
Flat Indicator......................................... 473 Clutch
overheated Avoid pulling away
until thewa rning goes out...................... 445
Cruise control and Limiter inoperative.... 452
Cruise control inoperative...................... 452
Cruise control o.................................... 452
Depress clutch fully tostart engine........ 445
Device de tected at diagnostics con-
nection See Owner's Manual................. .467
Drive system Malfunction Stop Switch
engine o............................................... 441
Drive system Malfunction Visit work-
shop ...................................................... 441
Fr ont-passenger airbag disabled See
Owner's Manual .................................... .415
Fr ont-passenger airbag enabled See
Owner's Manual .................................... .416
Hazard warning lamps malfunctioning .... 423
Head-up display cur rently una vailable
See Owner's Manual.............................. 433
Head-up display inoperative ...................434Limiter inoperative................................. 452
Limiter passive....................................... 452
N permanently active Risk of
vehicle
ro lling....................................................4 42
Not possible tounlock charging cable
See Owner's Manual.............................. 426
Only elect ric drive available Power
limited................................................... 427
Only select Park (P) when vehicle is
stationary.............................................. 441
Pa rking Assist and PARKTRONIC inop-
erative See Owner's Manual................... 461
Pa rking lock inoperative Apply the
parking brake ........................................ .444
Place theke y in the mar ked space
See Owner's Manual.............................. 419
PRE-SAFE inoperative See Owner's
Manual.................................................. 417
Re duce speed........................................ 472 506 506
Index

St
arting thech arging process (alter-
nating cur rent, mode 2/3)..................... 206
St arting thech arging process (direct
cur rent, mode 4).................................... 211
St ow ing thech arging cable.................... 198
Ty pe....................................................... 407
Vo ltage types......................................... 407
High-v
High-v olt
oltag
age on-boar
e on-boar d electr
d electrical syst
ical syst em
em
Indicator lamps on vehicle soc ket........... 205
Hill St
Hill Star
art Assist
t Assist............................................ 229
HOLD function
HOLD function
Function/no tes...................................... 228
Switching on/o..................................... 228
Home scr
Home scr een (media displa
een (media displa y)
y)
Overview................................................ 289
Hooking t
Hooking t he lugg
he luggag
ag e net
e net.............................. .130
Hybr
Hybr id syst
id syst em
em
Con/guring settings via the multime-
dia system............................................. 301
Manual swit ch-o................................... .167
Hybr
Hybr id syst
id syst em
em
see Battery operation
see Electric drive I I
i-Size c
i-Size c hild seat secur
hild seat secur ing syst
ing system
em
Fi tting...................................................... 70
Seats suitable for attaching...................... 69
Identi/cation
Identi/cation plate
plate
Engine................................................... 394
Ve hicle.................................................. 394
Ignition key
Ignition key
see Key
Immediat Immediat e pr
e pre-entr
e-entr y climat
y climat e contr
e control
ol............ .162
Immobiliser
Immobiliser ..................................................1 02
Im
Im plied w
plied w arr
arranty
anty
Ve hicle..................................................... 41
Im
Im port
port er addr
er addr esses
esses
Wi reless components...............................36
In-Car
In-Car O1ce
O1ce
Fe atures................................................ 320
Indicat
Indicat or lamp
or lamp
see Warning/indicator lamp
Individual dr
Individual dr iv
ive pr
e pr ogr
ogram
am
Con/guring............................................ 184
Selecting............................................... 183 Inspection Inspection
see ASS YST PLUS
Ins
Instr trument clust
ument clust er
er
Fu nction/no tes.............................. 280, 281
Ins
Ins tr
trument display
ument display
Fu nction/no tes...................................... 281
Instrument clus ter.................................... 12
Overview of displa ys............................... 285
Wa rning/indicator lamps........................ 479
Ins
Instr trument displa
ument displa y and on-boar
y and on-boar d com-
d com-
put
put er
er
Fu nction/no tes...................................... 280
Int
Int ellig
ellig ent Light Syst
ent Light Syst em
em
Ac tivating/deactivating.......................... 142
Ac tive headlamps................................... 141
Ad aptive Highbeam Assis t...................... 143
Ad aptive Highbeam Assist Plu s............... 144
City lighting............................................ 142
Cornering light....................................... 142
Mo torw ay mode.................................... .142
Overview................................................ 141
Int Int ellig
ellig ent oper
ent oper ating-mode s
ating-mode str trat
at egy
egy
see Route-based operating-mode strategy 512
512
Index

Int
Int
er
erior lighting
ior lighting
Ad justing............................................... 146
Ambient lighting.................................... .146
Re ading lamp......................................... 146
Switch-o. delay time.............................. 147
Int
Int er
erior pr ot
ior pr otection
ection
Fu nction................................................ 104
Priming/deactivating............................. 104
Int
Int er
erne
ne t r
t radio
adio
see TuneIn
iPhone
iPhone ®
®
see Smartphone integ ration
ISOFIX c
ISOFIX c hild seat anc
hild seat anc hor
hor
Seats suitable for attaching...................... 68
ISOFIX c
ISOFIX c hild seat secur
hild seat secur ing syst
ing system
em
Fi tting...................................................... 70 J
J
Jack
Jack Declaration of conformity......................... 36
Storage location.................................... .383
Jum Jum p-st
p-st ar
art connection
t connection
General no tes....................................... .362 K
K
K
K e
ey
y
Ac oustic locking veri/cation signal.......... .82
Ac tivating/deactivating pre-entry cli-
mate control.......................................... 160
Battery..................................................... 83
Deactivating a function............................ 82
Emer gency key......................................... 83
Energy consum ption................................ 82
Fu nction overview.................................... 81
Ke yring attachment................................. 83
Problem................................................... 84
Unlocking setting..................................... 82
KEYLESS-GO
KEYLESS-GO
Deactivating a function............................ 82
Locking/unlocking theve hicle................. 86
Problem................................................... 87
Unlocking setting.................................... .82
Kic Kic kdo kdo wn
wn
Using..................................................... 190
Knee airbag
Knee airbag.................................................... 52 L
L
Lamp
Lamp see Interior lighting
Lam
Lam p (ins
p (instr trument displa
ument displa y)
y)
see Warning/indicator lamp
Lane det Lane det ection (aut ection (aut omatic)
omatic)
see Active Lane Keeping Assist
Lane K
Lane K eeping Assist
eeping Assist
see Active Lane Keeping Assist
Language
Language Notes..................................................... 300
Setting................................................... 300
Light adjus
Light adjustment tment
Low beam (d riving abroad).................... .138
Light switch
Light switch Overview................................................ 138
Lighting
Lighting see Interior lighting
see Lights
Lights Lights Active headlamps................................... 141
Ad aptive Highbeam Assis t...................... 143
Ad aptive Highbeam Assist Plu s............... 144 Index
513
513

P
P
e
ets in t
ts in t he v
he v ehicle
ehicle.......................................... 80
Plas
Plastic tr tic tr im (Car
im (Car e)
e)........................................ 349
Plug-in h
Plug-in h ybr
ybrid oper
id oper ation
ation
Cha rging cable control panel.................. 203
Charging the high-voltage battery at a
ch arging station (mode 3)..................... .201
Charging the high-voltage battery at a
mains soc ket (mode 2)........................... 200
Cha rging the high-voltage battery at a
ra pid charging station (mode 4).............. 202
Charging the high-voltage battery at a
wa llbox (mode 3).................................... 201
Con/guring settings via the multime-
dia system............................................. 301
Displaying the po wer me ter.................... 285
Ending thech arging process (alternat-
ing cur rent, mode 2/3).......................... 209
Ending thech arging process (direct
cur rent, mode 4).................................... 213
Energy 0ow displa y................................. 302
Manual switch-o. of thehy brid system... 167
No tes on charging the high-voltage
battery................................................... 198
No tes on plug-in hybrid operation........... 166
Po we rav ailability displ ay........................ 284 Po
we r me ter.......................................... 284
Ro ute-based operating-mode strategy.... 181
Setting the maximum possible charg-
ing cur rent............................................. 203
St arting thech arging process (alter-
nating cur rent, mode 2/3)..................... 206
St arting thech arging process (direct
cur rent, mode 4).................................... 211
St ow ing thech arging cable.................... 198
P
P os os t-collision br
t-collision br ake
ake ....................................... .60
Pow
Pow erav
er availability displ ay
ailability displ ay
Fu nction/no tes...................................... 284
Pow
Pow er display
er display
see Powe rav ailability displ ay
Pow
Pow er met
er met er
er
Fu nction/no tes...................................... 284
Pow
Pow er supply
er supply
Switching on (start/s top button)............ 168
Pr
Pr e-entr
e-entr y climat
y climat e contr
e control (immediat
ol (immediat e)
e)........... 162
Pr
Pr e-entr
e-entr y climat
y climat e contr
e control at depar
ol at depar ture
ture
time
time Function................................................ 161
Setting.................................................. .161 Pr
Pr
e-entr
e-entr y climat
y climat e contr
e control f
ol for depar
or depar ture
ture
time
time Activating/deactivating.......................... 162
Pr
Pr e-entr
e-entr y climat
y climat e contr
e control using tol using t hekey
he key
Fu nction................................................ 160
Setting.................................................. .160
Pr
Pr e-entr
e-entr y climat
y climat e contr
e control via t
ol via thekey
he key
Ac tivating/deactivating.......................... 160
PRE-S
PRE-S AFE
AFE®
®
(anticipat
(anticipat or
ory occupant pr ot
y occupant pr otection)
ection)
Fu nction.................................................. 59
PRE-SAFE ®
Sound................................... 59
Re versing measures................................. 60
PRE-S
PRE-S AFE
AFE®
®
PL
PL US (anticipat
US (anticipat or
ory occupant
y occupant
pr ot
pr otection plus)
ection plus)
Fu nction.................................................. 60
Re versing measures................................. 60
Pr ev
Pr ev ent
ent ativ
ativ e occupant pr ot
e occupant pr otection syst
ection syst em
em
see PRE-SAFE ®
(anticipatory occu-
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Pr
Pr o/le
o/le
Creating a new pro/le............................ 296 Index
519
519

Re
starting the tyre pressure monitor-
ing system............................................. 378
Selection...............................................3 79
Snow chains.......................................... 374
St oring................................................... 383
TIREFIT kit.............................................. 356
Ty re pressure (No tes)............................. 375
Ty re pressure loss warning system
(function)............................................... 378
Ty re pressure monitoring system
(function)............................................... 377
Ty re pressure table................................ .376
Unusual handling characteristics............ 374 U
U
U
Unloc nloc king
king
see Locking/unlocking
U
Updat pdat es
es
Impor tant system updates...................... 297
USB port
USB port Front st owage compartmen t.................. 121
Re ar....................................................... 134 V
V
V
V ehicle
ehicle
Activating/deactivating standby mode... 222
Ad ditional door loc k................................. 84
Cor rect use............................................. .40
Data acquisition....................................... 42
Data storag e............................................ 42
Diagnostics connection............................ 38
Equipment............................................... 26
Implied warrant y...................................... 41
Locking (automatically)............................ 87
Locking/unlocking (emer gency key)........ .88
Locking/unlocking (from inside)............... 85
Locking/unlocking (KEYLESS-GO)............ 86
Lo we ring................................................ 388
Medical aids........................................... .40
Pa rking up............................................. 222
QR code rescue car d............................... 41
Quali/ed specialist workshop.................. .39
Ra ising................................................... 384
REACH regulation.................................... 40
Re gistration............................................. 40
Setting collision de tection (par ked
ve hicle).................................................. 221
St andby mode function.......................... 222 St
arting (emer gency ope ration mode ).... 170
St arting (Remo teOnline)........................ 171
St arting (start/stop but ton)................... 169
SV HC (substances of very high conce rn)..40
Switching o. (start/stop button)............ 215
Switching on (start/stop button)............ 168
To wing................................................... 279
Ve ntilating (con venience opening)........... .96
V
V ehicle batt ehicle batt ery
ery
see On-board electrical system battery (12 V)
V
V ehicle camera
ehicle camera
Information............................................ 223
V
V ehicle data
ehicle data
Displaying (DYNAMIC SELECT)............... 185
Roof load............................................... 406
Ve hicle height....................................... .405
Ve hicle length........................................ 405
Ve hicle widt h......................................... 405
Wheelbase............................................. 405
V V ehicle dimensions
ehicle dimensions...................................... 405
V
V ehicle emerg
ehicle emerg ency st
ency start
art............................... 370
V
V ehicle
ehicle identi/cation
identi/cation number
number
see VIN Index
527
527