2021 MERCEDES-BENZ B-CLASS HATCHBACK Owners Manual

St
oring a speed...................................... 233
System limitations.................................. 232 D
D
Dam
Dam ping adjus
ping adjus tment
tment.................................... 257
Dashboard
Dashboard see Cockpit
Dashcam
Dashcam Notes..................................................... 309
Selecting a USB device......................... .310
St arting/stopping a video recording...... .310
Dat
Dat a acq
a acq uisition
uisition
Ve hicle..................................................... 42
Dat
Dat a pr ot
a pr otection r
ection r ights
ights
Data storag e............................................ 45
Dat
Dat a st
a st or
or age
age
Data pr otection rights.............................. 45
Electronic control units............................ 42
Online services........................................ 44
Ve hicle..................................................... 42
Deactiv
Deactiv ating t ating the alar
he alar m (AT
m (ATA)
A)........................ .103
Dealer
Dealer ship
ship
see Quali/ed specialist workshop Declar
Declar
ation of conf
ation of conf or
ormity
mity
Elect romagnetic compatibilit y.................. 29
Impor ter addresses.................................. 36
Jack.........................................................36
Speci/c absor ption rate........................... 29
TIREFIT kit................................................ 37
Wi reless vehicle component s................... 29
Decor Decor ativ
ative f
e foil (cleaning ins
oil (cleaning instr tructions)
uctions)........... 347
DeN
DeNOx ag Ox ag ent
ent
see AdBlue ®
Des
Destination entry tination entry
Entering a POI or addres s....................... 305
Det
Det ecting inatt
ecting inatt entiv
entiveness
eness
see ATTENTION ASSIST
Diagnos
Diagnostics connection tics connection.................................. 38
Diesel
Diesel Low outside tempe ratures...................... 399
No tes..................................................... 399
Digit
Digit al Owner's Manual
al Owner's Manual.................................. 22
Dingh
Dingh yto
y to wing
wing
see Tow- bar system
Dipped beam
Dipped beam Changing bulbs..................................... .149 DIRECT SELECT lev
DIRECT SELECT lev
er
er
Engageing reve rsege ar.......................... 188
Engaging drive position.......................... 189
Engaging neutral................................... .188
Engaging park position automaticall y...... 188
Fu nction................................................ 187
Selecting park position........................... 188
Displa
Displa y (car
y (care)
e)............................................... 349
Displa
Displa y (MBUX multimedia syst
y (MBUX multimedia syst em)
em)
Home sc reen.........................................2 89
Operating.............................................. 290
Displa
Displa y (on-boar
y (on-boar d com
d comput
puter)
er)
Displa yson the inst rument displa y......... 285
Displa
Displa y in t
y in the windscr
he windscr een
een
see Head-up display
Displa
Displa y message
y message
Calling up (on-board computer).............. 412
No tes..................................................... 412
Displa Displa y messag
y messag es
es
ç - - - km/h .................................... .453
00CB - - - km/h..................................... 452
h - - - km/h..................................... 452
006F 2nd seat row, leT Not loc ked......... 437 502
502
Index

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

:
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

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

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).................. 138
Dr
Dr iving safe
iving safe ty syst
ty system
em
ABS (Anti-lock Braking System)............. .225
Ac tive Brake Assist................................. 244
Ad aptive brake lights.............................. 229
BAS (Brake Assist System).................... .225
Cameras................................................2 23
EBD (Electronic Brake forc e Distribu-
tion).......................................................2 27
ESP ®
Crosswind Assist.......................... 226
ESP ®
trailer stabilisation........................ 227
Overview................................................ 224
Ra dar and ultrasonic sensor s................. 223
Re sponsibility......................................... 223
ST EER CONTROL................................... 227
Dr
Dr iving syst iving syst em
em
Suspension with adaptive damping
adjustment............................................ 257 Dr
Dr iving syst
iving syst em
em
see 360° Camera
see Active Blind Spot Assist
see Active Distance Assist DISTRONIC
see Active Emer gency 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 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)..................................................... 138
Gene ral driving tips................................1 73
Ru nning-in no tes.................................... 172 Dr Dr
iving tips
iving tips
see Recuperation
Dr ow
Dr ow siness det
siness det ection
ection
see ATTENTION ASSIST
Dynamic handling contr
Dynamic handling contr ol syst
ol syst em
em
see ESP ®
(Electronic Stability Prog ram)
D
D YN
YNAMIC SELECT AMIC SELECT
Ad aptive damping adjustmen t................257
Calling up the fuel consum ption indi-
cator...................................................... 185
Con/guring drive prog ram I................... .184
Displaying engine data........................... 185
Displaying vehicle dat a........................... 185
Drive prog ram displa y............................ 183
Drive prog rams..................................... .182
Fu nction................................................ 182
Ope rating.............................................. 183
Selects the drive prog ram...................... 183 E E
E10
E10............................................................. .397
Easy entr
Easy entr y f
y feature
eature
Fu nction/no tes...................................... 116
Setting.................................................. .117 508
508
Index

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