2021 MERCEDES-BENZ B-CLASS HATCHBACK key battery
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EBD (Electronic Brake
forc e Distribu-
tion).......................................................2 27
HOLD function....................................... 228
Limited braking e.ect (salt-treated
ro ads)................................................... .173
Ne w/replaced brake linings/brake
discs...................................................... 172
Po st-collision brak e.................................. 60
Ru nning-in no tes.................................... 172
Br
Br ak ak es
es
see Recuperation
Br
Br aking assist
aking assist ance
ance
see BAS (Brake Assist System)
Br
Br eakdo
eakdo wn
wn
Assistance overview. ................................ 20
To w- starting........................................... 370
To wing away.......................................... 367
Tr anspo rting theve hicle........................ .368
Wheel chang e........................................ 383
Br
Br ea kdo
eakdo wn
wn
see Flat tyre
Butt
Butt ons
ons
St eering wheel....................................... 282 C
C
Calls
Calls Mercedes me......................................... 314
Camera
Camera
Information............................................ 223
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)............................................ 343
Car
Car -t
-to-X
o-X -Communication
-Communication
Displaying hazard warnings.................... 308
Care
Care 360° camera......................................... 348
Air-water duct........................................ 343
Automatic car wash.............................. .343
Carpet................................................... 349
Decorative foil........................................ 347
Display................................................... 349 Exterior lighting...................................... 348
Head-up display..................................... 349
High-pressure cleaner............................3
45
Pa int...................................................... 346
Plastic trim............................................3 49
Re alwo od/trim elements..................... .349
Re versing camera..................................3 48
Ro of lining............................................. 349
Seat belt................................................ 349
Seat co ver............................................. 349
Sensors.................................................3 48
St eering wheel....................................... 349
Ta ilpipes................................................ 348
Tr ailer hitc h............................................ 348
Ve hicle soc ketfo rth e high-voltage
battery................................................... 348
Wa shing byhand.................................... 346
Wheels/rims.......................................... 348
Wi ndo ws................................................ 348
Wi per blades.......................................... 348
Car
Car pe pet (Car
t (Car e)
e)............................................... 349
Changing bulbs Changing bulbs Dipped beam......................................... 149
Fitting/removing co ver (front wheel
ar ch )...................................................... 148 Index
499 499
Page 506 of 537
006F
2nd seat row, right Not loc ked...... 437
003D 12 V battery See Owner's Man-
ual......................................................... 467
ò Acoustic presence indicator
inoperative............................................ .426
: Active Light System inoperative..... 420
0099 AdBlue system fault Emer. op.:
max. XXX km/h Start not poss. in
XXX km.................................................. 476
0099 AdBlue system fault Emer gency
op. in XXX miles See Owner's Manual.... 475
0099 AdBlue system fault Engine
start not possible................................... 476
0099 AdBlue system fault See Own-
er's Manual............................................ 475
00B3 Add 1 litre engine oil when next
re fuelling ............................................... 477
é ATTENTION ASSIST inoperati ve..... 451
é ATTENTION ASSIS T:Take a
break!.................................................... 451 :
Automatic driving lights inoper-
ative...................................................... 420
00D7 Battery overheated Stop, every-
body out! Outdoors if possible ................ 428
û Before starting the engine, turn
th e steering wheel.................................. 435
004D Brake immediately ........................ 450
Á Change key batteries .................... 417
00E5 Charger cable connected .............. 426
004D Check brake 0uid le vel.................. 450
ï Check trailer hitch lock (white
display message) .................................... 432
0077 Check tyre(s) ................................ 470
003A Clean the fuel /lter....................... 440
ÿ Coolant Stop vehicle Switch
engine o............................................... 439
0025 currently una vailable See Own-
er's Manual............................................4 62
00E5 currently una vailable See Own-
er's Manual............................................4 6300B3
Engine oil le vel cannot be meas-
ured....................................................... 478
00B3 Engine oil le velRe duce oil le vel..... 477
00B3 Engine oil le velSt op vehicle
Switch engine o.................................... 477
00B3 Engine oil pressure Stop Switch
o. engine.............................................. 478
ä Fault Drive at max. 80 km/h ......... 461
0075 Front leT malfunction Consult
wo rkshop (e xample)...............................4 14
003B inoperative Battery low................. 423
003B inoperative Char geHV battery...... 424
003B inoperati veHigh-voltage battery
ch arging inco mplete ............................... 424
003B inoperative Refuel vehicle............. .424
003B inoperative See Owner's Man........ 423
0025 inoperative See Owner's Manual.. .463
00E5 inoperative See Owner's Manual.. .464
007A inoperative See Owner's Manual.. .465
0053 Inoperative................................... 466 Index
503 503
Page 507 of 537
:
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
Page 515 of 537
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
Page 516 of 537
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
Page 522 of 537
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
Page 530 of 537
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