2021 MERCEDES-BENZ B-CLASS HATCHBACK brake light

W
W
ar
ar ning and indicat
ning and indicat or lam
or lamps
ps Ov
Ov
er
ervie
vie w of indicat
w of indicat or and w
or and war
arning lam
ning lam ps
ps Some systems will per
form a self-test when the
ve hicle is switched on. Some indicator and warn-
ing lamps may brie0y light up or 0ash. This beha v-
iour is non-critical. These indicator and warning
lamps indicate a malfunction only if they light up
or 0as haTer theve hicle has been star ted or dur-
ing a journe y.
S
S t
tandar
andar d ins
d instr
trument displ ay
ument display W
W
idescr
idescr een coc
een coc kpit ins
kpit instrtrument display
ument display Depending on
the display setting, the positions of
th e indicator lamps on the inst rument display may
di.er from theex ample shown.
Indicat
Indicat or and w
or and w ar
arning lam
ning lam ps:
ps:
0075 Restraint system (/ page 480)
00E9 Seat belt (/ page 480)
_ Reduced po wer (/ page 482)
00D6 System error (/ page 482)
003D Electricalfault (/ page 482)
ï Trailer hitch (/ page 483)
Ù Powe r steering (/ page 483) ÿ
V
V ehicles wit
ehicles wit h a widescr
h a widescr een coc
een cockpit
kpit:
:
coolant temp erature (/ page 484)
00B9 Engine diagnostics (/ page 484)
0028 V
Vehicles wit
ehicles wit h a diesel engine:
h a diesel engine: preglow
003D Electricalfault (/ page 484)
00D4 Reser vefuel wi thfuel /ller 0ap loca-
tion indicator (/ page 484)
0024 Electric parking brake (red)
(/page 488)
0024 Electric parking brake (yellow)
(/page 488)
004D Brakes (yellow) (/ page 488)
004D Brakes (red) (/ page 488)
L Distancewarning (/ page 490)
Ó Active Brake Assist (/ page 490)
ê Active Brake Assist (/ page 490)
0025 ABS (/page 491)
00E5 ESP®
(/ page 491)
00BB ESP®
OFF (/ page 491) Display messages and
warning/indicator lamps
479 479

Dr
Dr
iving syst
iving syst ems
ems W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences and0050
0050Solutions
Solutions
L
Wa rning lamp for distance
wa rning function *T
he red distance warning lamp lights up while theve hicle is in motion.
The dis tance totheve hicle in front is too small forth e speed selected.
If th ere is an additional warning tone, you are approaching an obstacle at too high a speed. #
Be prepared tobrake immediatel y. #
Increase the distance.
Fu nction of Active Brake Assist (/ page 244).
Ó Ac tive Brake Assist warning
lamp *T
heActive Brake Assist warning lamp is on.
Due todirty sensors or a malfunction, the system is not available or thera nge of functions is restric ted. #
Notethe messages on the instrument displa y.
ê
Ac tive Brake Assist warning
lamp *T
heActive Brake Assist warning lamp is on.
The system is switched o. or thera nge of functions has been automatically restric ted.
This may be the case if the driver is not wearing a seat belt or ano ther driving system has been activated. #
Obser vethe no tes on Active Brake Assist (/ page 244).490
490
Display messages and
warning/indicator lamps

A
A
ut
ut omatic mirr
omatic mirr or f
or folding function
olding function
Ac tivating/deactivating.......................... 156
A
A ut
ut omatic tr
omatic tr ansmission
ansmission
DIRECT SELECT le ver............................. 187
Drive prog rams...................................... 182
DY NAMIC SELECT switch....................... 182
Engaging drive position.......................... 189
Engaging reve rsege ar............................ 188
Kickdown............................................... 190
Manual gear changing........................... .189
Selecting park position........................... 188
St eering wheel gearshiT paddles............ 189
Tr ansmission position displ ay................. 187
Tr ansmission position s........................... 187
A
A ut ut omatic tr
omatic tr ansmission (pr
ansmission (problem) oblem)
see Transmission (problem)
Axle load
Axle load Perm issible............................................ 394
Tr ailer operatio n..................................... 410 B
B
Bag hook Bag hook..................................................... 129
Ball neck
Ball neck
Folding out/in........................................ 274 B B
AS (Br
AS (Br ak
ake Assis
e Assist Syst t System)
em)........................... 225
Batt
Batt ery
ery
see High-voltage battery
Batt
Batt er
ery (high-v
y (high-v olt
oltag
age on-boar
e on-boar d electr
d electrical
ical
syst
syst em)
em)
see High-voltage battery
Batt
Batt er
ery (ke
y (ke y)
y)
Re placing................................................. 83
Batt
Batt er
ery (v
y (v ehicle)
ehicle)
Charging (Remo teOnline)..................... .171
No tes..................................................... 361
No tes (starting assis tance and charg-
ing)........................................................ 362
Batt
Batt er
ery oper
y oper ation
ation......................................... 166
Belt
Belt see Seat belt
Bicy
Bicy cle r
cle r ack
ack
Load capacit y........................................ 410
Tr ailer operatio n.................................... .277
Blind Spo
Blind Spo t Assist
t Assist
Ac tivating/deactivating.......................... 255
Fu nction................................................ 252
System limi tations.................................. 252 Blow
Blow
er
er
see Clima tecont rol
BlueTEC
BlueTEC see AdBlue ®
Bonnet
Bonnet Function (active bonnet)......................... 337
Opening/closing.................................... 338
Re setting (active bonn et)........................ 337
Boo Boo t lid
t lid
see Tailgate
Br
Br ak
ak e Assis
e Assist Syst t System
em
see BAS (Brake Assist System)
Br
Br ak
ak e
e0uid
0uid
No tes..................................................... 403
Br
Br ak
ak e f
e f or
orce disce distr tribution
ibution
EBD (Elect ronic Brake forc e Distribu-
tion)....................................................... 227
Br
Br ak
ak es
es
ABS (Anti-lock Braking System).............. 225
Ac tive Brake Assist................................. 244
Ad aptive brake lights.............................. 229
BAS (Brake Assist System).................... .225
Driving tips............................................1 73498 498
Index

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

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

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

G
G
Gar
Gar ag
age door opener
e door opener
Clearing the memory.............................. 218
Gar
Gar ag
age door openers
e door openers
Opening/closing the door......................2 18
Prog ramming buttons............................. 216
Re solving problems................................ 218
Syn chronising thero lling code................ 217
Gear
Gear shiT
shiT r
recommendation
ecommendation................... 187, 190
Genuine par
Genuine par ts
ts................................................ 25
Glide mode
Glide mode.................................................. 190
Gr
Gr oss mass
oss mass.................................................. 394 H
H
Handbr
Handbr ake
ake
see Electric parking brake
Handling c
Handling c har
haract
acter
eris
istics (unusual)tics (unusual) ................ 374
HANDS-FREE A
HANDS-FREE A CCESS
CCESS................................... 92
Hazar
Hazar d w
d war
arning lights
ning lights................................... 141
Head r
Head r es
estrtraint
aint
Fr ont (adjusting mechanically)................ 111
Re ar (adjusting)..................................... .112 Re
ar (removing//tting)........................... 112
Head-up displ ay
Head-up display
Adjusting brightness (on-board com-
puter).................................................... 286
Ad justing display elements (on-board
co mp uter).............................................. 286
Care...................................................... 349
Fu nction................................................ 285
Menu (on-boa rdcomputer)..................... 286
Operating the memory function.............. 118
Setting the position (on-board com-
puter).................................................... 286
Switching on/o.....................................2 87
Headlam Headlam p
p0ashing
0ashing ........................................ 140
Headlam
Headlam ps
ps
see Automatic driving lights
Heating
Heating see Climate control
Help call
Help call see Mercedes-Benz emer gency call system
High beam
High beam Activating/deactivating.......................... 140
High beam
High beam see Adaptive Highbeam Assist see
Adaptive Highbeam Assist Plus
High-pr
High-pr essur
essure cleaner (car
e cleaner (car e)
e)........................ 345
High-v
High-v olt
oltag
age batt
e batt ery
ery
Char geleve l displa y............................... 214
Charg ing cable control panel.................. 203
Charging duration.................................. 407
Connection types...................................4 07
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
General no tes on chargin g.................... .198
Indicator lamps on vehicle soc ket........... 205
No tes on charging (charging station,
mode 3)................................................ .201
No tes on charging (fast charging sta-
tion, mode 4)......................................... 202
No tes on charging (mains soc ket,
mode 2)................................................. 200
No tes on charging (wallbox, mode 3)...... 201
Ra nge.................................................... 407
Setting the maximum possible charg-
ing cur rent (mains soc ket)...................... 203 Index
511 511