2021 MERCEDES-BENZ B-CLASS HATCHBACK key

Re
duced drive system per form ance
See Owner's Manual.............................. 428
Re versing not poss. Consult workshop ... 443
Risk of vehicle rolling away App ly
parking brake See Owner's Manual ........ 444
Risk of vehicle rolling awayPa rking
brake not applied See Owner's Manual ... 450
Risk of vehicle rolling Driver door
open and transmission not in P .............. 442
Ru n Flat Indica tor inoperative................. 473
Speed limit (winter tyres) XXX km/h .......455
Speed Limit Assist cur rently una vaila-
ble See Owner's Manual........................ 454
Speed Limit Assist inoperative................ 454
Te aching in transmission comple te......... 444
Te aching in transmission Operate
selector le ver Brake for XX seconds
Risk of vehicle rolling ............................. 444
To shiT out of P or N,depress brake
and start engine.................................... .441 To
switch o. the engine, press the
St art/ Stop button for at least 3 sec-
onds or 3 times...................................... 438
Tr a1c Sign Assist cur rently una vaila-
ble See Owner's Manual........................ 456
Tr a1c Sign Assist inoperative................. 456
Tr ansmission Malfunction ....................... 443
Tr ansmission Malfunction Stop............... 443
Tr ansmission Malfunction Visit work-
shop ...................................................... 445
Ty re press. monitor cur rently una vaila-
ble......................................................... 469
Ty re press. monitor inoperative .............. 469
Ty re press. monitor inoperative No
wheel sensors ........................................ 470
Ty re pressure Check tyres ...................... 472
Ty re(s) ove rheated .................................. 472
Ve hicle not cur rently being charged
Charging station fault............................. 427
Wi per malfunctioning .............................437 Wi
thout changing gear, consult work-
shop ............................................. .429, 442
Wi thout starting engine again, consult
wo rkshop ............................................... 429
Dist
Dist ance contr ance contr ol
ol
see Active Distance Assist DISTRONIC
DIS DIS TR
TR ONIC ONIC
see Active Distance Assist DISTRONIC
Door
Door Additional door loc k................................. 84
Child saf ety lock (rear door )..................... 78
Locking/unlocking (emer gency key)........ .88
Opening (from inside).............................. .85
Unlo cking (from inside)............................ 85
Door contr
Door contr ol panel
ol panel......................................... 18
Dra
Dra wbar
wbar
see Tow- bar system
Dr
Dr iv
ive Awa
e Away Assi st
y Assi st........................................ .272
Dr
Dr iv
ive position
e position
Engaging................................................ 189
Dr
Dr iv
ive pr
e pr ogr
ogram display
am display .................................. 183 Index
507
507

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 Dis tr
tribution)
ibution)
Fu nction/no tes...................................... 227
EC
EC O Assist
O Assist
Fu nction/no tes...................................... 179
EC
EC O display
O display
Fu nction................................................ 177
EC
EC O st
O st ar
ar t/st
t/st op function
op function
Switching o./on.................................... 177
Electr
Electr ic dr
ic drive
ive................................................ 166
Electr
Electr ic par
ic parking br
king br ake
ake
Applying automaticall y........................... 219
Applying/releasing manually.................. 221
Emer gency braking................................ 221
Re leasing automaticall y.......................... 220
Electr
Electr ical fuses
ical fuses
see Fuses
Electr
Electr omagne
omagne tic com
tic compatibility
patibility
Declaration of conformity........................ .29
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................................. 20
Fire extinguisher.................................... 353
Fi rs t-aid kit (soT sided).......................... 353
Re moving thewa rning triangle............... 352
Saf etyve st............................................. 352
Setting up thewa rning triangle............... 353
Emerg
Emerg ency br
ency br aking
aking...................................... 221
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.................................. 83
Locking/unlocking the doors................... 88
Unlocking theta ilgat e.............................. 94
Emerg
Emerg ency oper
ency oper ation mode
ation mode
St arting theve hicle............................... .170
Emerg
Emerg ency
encyshut
shuto.
o.
see Hybrid system
Emerg
Emerg ency spar
ency spar e wheel
e wheel
In0ating................................................. 390
No tes..................................................... 389 Ener Ener
gy
gy0ow
0ow display
display
Displayin g.............................................. 302
Fu nction/no tes...................................... 302
Engine
Engine
Engine number....................................... 394
Starting (emer gency ope ration mode ).... 170
St arting (Remo teOnline)........................ 171
Engine data Engine data Displaying.............................................. 185
Engine electr
Engine electr onics
onics
No tes..................................................... 392
Engine number
Engine number ............................................. 394
Engine oil
Engine oil Additives................................................ 401
Capacity................................................ 402
Checking the oil le vel using the on-
board computer..................................... 340
MB-F reigabe or MB-Appr oval.................. 402
Quality................................................... 402
To pping up............................................ .340
ERA
ERA -GL -GLON
ONASS t ASS t es
est modet mode
St arting/ending.................................... .328
Err
Err or message
or message
see Display message Index
509
509

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

Au
tomatic driving lights......................... .139
Changing bulbs...................................... 147
City lighting............................................ 142
Combination switc h............................... 140
Cornering light....................................... 142
Driving abroad (low beam light adjust-
ment)..................................................... 138
Hazard warning lights............................. 141
Headlamp 0ashing................................. 140
Headlamp range.................................... .139
High beam............................................. 140
Intelligent Light System.......................... 141
Light switch........................................... 138
Low beam.............................................. 138
Mo torw ay mode.................................... .142
Pa rking lights......................................... 138
Re ar fog light......................................... 138
Re sponsibility for lighting systems.......... 138
Setting theex terior lighting switch-o.
delay time.............................................. 145
St anding lights....................................... 138
Switching the Intelligent Light System
on/o....................................................1 42
Switching the sur round lighting on/o.... 146
Tu rn signal indicator............................... 140 Limit
Limit er er
Ac tivating............................................... 233
Buttons.................................................. 233
Calling up a speed................................. 233
Deactivating........................................... 233
Fu nction................................................ 232
Maximum design speed.......................... 182
Pa ssive mode......................................... 232
Pe rm anent setting.................................. 235
Re quirements........................................ 233
Selecting............................................... 233
Setting a speed...................................... 233
St oring a speed.............................. 233, 237
Switching o./deactivating.................... .237
Switching on/activating......................... 237
System limits......................................... 232
Limiting speed Limiting speed see Limiter
Limiting t Limiting t he opening angle (t he opening angle (t ailg
ailgat
ate)
e)............... 94
LIN
LIN GUA
GUA TR
TRONIC
ONIC
Fu nction................................................ 292
St arting................................................ .292 Liv
Liv
e
eTr
Tra1c
a1c Inf
Infor
ormation
mation
Switching the tra1c information dis-
play on................................................... 308
Load com
Load com par
partment
tment
Expanding..............................................1 21
Load com
Load com par
partment cov
tment cov er
er
Re moving//tting.................................... 126
Loading
Loading Adjusting the load compartment 0oor.... 131
Bag hook............................................... 129
Clo thes hook.........................................1 29
No tes..................................................... 118
Ro of luggage rack .................................. 132
Ti e-down eyes........................................ 128
Loading guidelines
Loading guidelines.......................................1 18
Loads
Loads
Fixing..................................................... 118
Loc Loc king/unloc
king/unloc king
king
Ad ditional door loc k................................. 84
Emer gency key......................................... 88
KEYLESS-GO............................................ 86
Opening theta ilgate................................. 89
Switching the automatic locking fea-
ture on/o.............................................. .87514 514
Index

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

S
S
t
to
o w
w ag
ag e space
e space
Armrest................................................. 121
Centre console..................................... .121
Door...................................................... 121
Glo vecompartmen t............................... 121
S
S tr
tr ee
ee t names and house numbers
t names and house numbers
Displaying.............................................. 306
Sugg Sugg es estionstions
Con/guring............................................ 296
Sulphur cont
Sulphur cont ent
ent........................................... 397
Surr
Surr ound lighting
ound lighting
Switching on/o..................................... 146
Surr
Surr ound V
ound V iew
iew
see 360° Camera
Suspension
Suspension Adaptive damping adjustmen t................257
Damping characteristics........................ .257
S
S VHC (subst
VHC (subst ances of v
ances of ver
ery high concer
y high concer n)
n)........40
Switc
Switc h-o.
h-o.dela
delay time
y time
Exterior.................................................. 145
Interior.................................................. .147
Sync
Sync hr
hronisation function
onisation function
Ac tivating/deactivating (control panel)... 159 Ac
tivating/deactivating (MBUX multi-
media system)....................................... 159
Syst
Syst em se
em se ttings
ttings
Overview of the system settings menu.... 297
Re set function (MBUX multimedia sys-
te m)....................................................... 301
Syst
Syst em se
em se ttings
ttings
see Language T
T
T
T ailg
ailg ate
ate
Closing................................................... .90
HANDS-FREE ACCESS............................. 92
Limiting the opening angle....................... 94
Opening................................................... 89
Unlocking (emer gency key)...................... 94
T
T ailpipes (car
ailpipes (car e)
e)............................................ .348
T
T ak
ak e-bac
e-bac k of end-of-lif
k of end-of-lif e v
e vehicles
ehicles
Pr otection of the environment.................. 24
T
T ank cont
ank cont ent
ent
Ad Blue ®
................................................ .401
Fu el....................................................... 400
Re ser ve(fuel)........................................ .400 T
T ec
ec hnical data
hnical data
Axle load (trailer operation).................... 410
Component-speci/c information............ 394
Fa stening points (t railer hitch)................ 408
Information............................................ 392
Mounting dimensions (trailer hitch)........ 408
No tes (trailer hitch)................................ 408
Overhang dimension (trailer hitch)......... .408
Re gula tory radio identi/cation (Indo-
nesia).................................................... 394
Re gula tory radio identi/cation of
small component s.................................. 394
To ngue weight........................................ 410
To wing capacity (trailer operation ).......... 409
T T elephone
elephone
Connecting a mobile phone (Passke y).... 314
Connecting a mobile phone (Secure
Si mp lePa iring)....................................... 314
Fu nctions in thete lephone menu............ 314
No tes..................................................... 311
No tes on wireless charging (mobile
phone)................................................... 134
Operating modes................................... 313
Te lephone menu overview...................... 313
Wi reless charging (mobile phone)........... 135 524 524
Index

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