radio MERCEDES-BENZ B-CLASS HATCHBACK 2021 Owner's Manual

N
N
o
ot
tes on t
es on t ec
echnical data
hnical data
The tech nical data was de term ined in accordance
with EU Directives. The data stated only applies to
ve hicles with standard equipment. You can obtain
fur ther information from a Mercedes-Benz Service
Centre.
Onl
Onl y f y for cert
or cert ain countr
ain countr ies:
ies:you can /n dvehicle-
speci/c vehicle data in theCO C documents (CER-
TIFIC ATE OF CONFORMITY). These documents
are deli vered with your vehicle. On-boar
On-boar
d electr
d electronics
onics N
No
ot
tes on t
es on t am
amper
per ing wit
ing wit h t
h the engine electr
he engine electr onics
onics*
N
NOOTE
TE Prematu rewe arthro ugh improper
maintenance Improper maintenance may cause
vehicle
components towe ar more quickly and the
ve hicle's operating permit may be in validated. #
Always ha veworkon the engine elec-
tronics and related components car ried
out at a quali/ed specialist workshop. T
T
w
w o-wa
o-wa y r
y radios
adios N
No
ot
tes on
es on /tting
/tting tw
two-wa
o-wa y r
y radios
adios &
W
WARNING
ARNING Risk of accident due to
improper workon two-w ayradios
If two-w ayradios are manipulated or retro/t-
ted incor rectl y,the electromagnetic radiation
from the two-w ayradios can inter fere with the
ve hicle elect ronics and jeopardise the operat-
ing saf ety of theve hicle. #
You should ha veall workon electrical
and electronic components car ried out
at a quali/ed specialist workshop. &
W
WARNING
ARNING Risk of accident due to
improper operation of two-w ayradios
If yo u use two-w ayradios in theve hicle
improper ly,th eir electromagnetic radiation
can disrupt theve hicle's elect ronics. This is
th e case in thefo llowing situations, in particu-
lar: R
The two-w ayradio is not connected toan
ex terior aerial.
R The exterior aerial is /tted incor rectly or is
not a lo w-re0ection aerial.
This could jeopardise the operating saf ety of
th eve hicle. #
Have the lo w-re0ection exterior aerial /t-
ted at a quali/ed specialist workshop. #
When operating two-w ayradios in the
ve hicle, alw ays connect them tothe lo w-
re 0ection exterior aerial. *
N
NOOTE
TE Inva lidation of the operating permit
due tofailure tocomply with the inst ruc-
tions for installation and use The operating permit may be in
validated if the
inst ructions for installation and use of two-w ay
ra dios are not obser ved. #
Only use appr oved frequency bands. #
Obser vethe maximum permissible out-
put po wer in these frequency bands. #
Only use appr oved aerial positions. 392
392
Te
ch nical data

1
Front roof area
2 Rear roof area
3 Rear wings
On vehicles with a panoramic sliding sunroof, /t-
ting an aerial tothe front or rear roof area is not
permitted. On
there ar wings, it is recommended that you /t
th e aerial on the side of theve hicle closest tothe
cent reofthero ad.
Use Tech nical Speci/cation ISO/TS 21609 (Road
Ve hicles – "EMCs for installation of aTermar ket
ra dio frequency transmitting equipment") when
re tro/tting two- wayra dios. Comply with the legal
re qu irements for de tach able parts.
If yo ur vehicle has /ttings for two-w ayradio equip-
ment, use the po wer supply and aerial connectors
pr ov ided in the pre-ins tallation. Obser vethe man-
ufacturer's supplements when /tting.
T
T w
w o-wa
o-wa y r
y radio tr
adio tr ansmission output
ansmission output
The maximum transmission output (PEAK) at the
base of the aerial must not exceed theva lues in
th efo llowing table. F
F
r
req
eq uency band and maximum tr
uency band and maximum tr ansmission out-
ansmission out-
put
put F
F
r
req
eq uency band
uency band Maximum tr
Maximum transmis-
ansmis-
sion output
sion output
Short wave
3 - 54 MHz 100 W
4 m frequency band
74 - 88 MHz 30 W
2 m frequency band
144 - 174 MHz 50 W
Te rrestrial Trunked
Ra dio (TETRA)
380 - 460 MHz 10 W
70 cm frequency band
420 - 450 MHz 35 W
Tw o-w ayradio
(2G/3G/4G) 10 W Te
ch nical data
393 393

The
following can be used in theve hicle without
re strictions:
R two- wayra dios with a maximum transmission
output of up to100 mW
R RF transmitters with transmitter frequencies in
th e 380 - 410 MHz frequency band and a
maximum transmission output of up to2 W
(TETRA)
R mobile phones (2G/3G/4G)
There are no restrictions when positioning the
aerial on the outside of theve hicle forth efo llo w-
ing frequency bands:
R Terrestrial Trunked Radio (TETRA)
R 70 cm frequency band
R 2G/3G/4G R
R
egulat
egulat or
ory r
y r adio
adio identi/cation
identi/cation and not
and notes
es R
R
egulat
egulat or
ory r
y r adio
adio identi/cation
identi/cation of small com
of small compo-
po-
nents
nents Manufacturer information about
radio-based vehi-
cle components can be found using thekey
phrase "Regulatory radio identi/cation" in the Dig- ital Owner's Manual in
theve hicle, on the internet
and in the app. R
R
egulat
egulat or
ory r
y r adio
adio identi/cation
identi/cation – Indonesia
– Indonesia Manufacturer information about
radio-based vehi-
cle components can be found using thekey
phrase "Regulatory radio identi/cation – Indone-
sia" in the Digital Operator's Manual in theve hi-
cle, on the internet and in the app.
% These are not small components. Information
about small components can be found using
th eke y phrase "Regulatory radio identi/cation
of small components". F F
urt
urt her
her com
com ponent-speci/c
ponent-speci/c inf
infor
ormation
mation Fu
rther component-speci/c information can be
fo und using theke y phrase "fur ther component-
speci/c information" in the Digital Owner's Man-
ual in theve hicle, on the internet and in the app. V
V
ehicle
ehicle identi/cation
identi/cation plat
plate, VIN and engine num-
e, VIN and engine num-
ber ov
ber overerview
view
V
V ehicle
ehicle identi/cation
identi/cation plate
plate 394
394
Te
ch nical data

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences and0050
0050Solutions
Solutions
Á
Key not detected (white dis-
play message) *T
hekey is cur rently unde tected. #
Change the location of theke y in theve hicle. #
Ifth eke y is still not recognised, place it in the slot for starting with theke y (/ page 170).
Á Key not detected (red dis-
play message) *T
hekey cann otbe de tected and may no longer be in theve hicle.
The key is no lon ger in theve hicle and you switch o. theve hicle:
R You can no longer start theve hicle.
R You cannot centrally lock theve hicle. #
Ensu rethat theke y is in theve hicle.
If th eke y de tection function has a malfunction due toa st rong radio signal source: #
Stop theve hicle immediately in accordance with the tra1c conditions. #
Place theke y in the slot for starting the engine with theke y (/ page 170).
Á Key being initialised Please
wait *T
hevehicle is processing in order to teach in the new key. #
Wait until processing is comple te.418 418
Display message
s andwarning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences and0050
0050Solutions
Solutions
003D
Stop vehicle Leave engine
running *T
he 12 V battery charge leve l is too lo w. #
Stop theve hicle immediately in accordance with the tra1c conditions. Do not continue driving. #
Leavetheve hicle running #
Ifth e display message disappears: drive on. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop. T T
yr
yr e pr
e pr essur
essur e monit
e monit or
or Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences and0050
0050Solutions
Solutions
Tyre press. monitor cur-
rently unavailable *T
here is inter fere nce from a po werful radio signal source. As a result, no signals from the tyre pressure sensors are
being received. The tyre pressure monitoring system is temp orarily una vailable.
The tyre pressure monitoring system will restart au tomatically as soon as the cause has been recti/ed. #
Drive on.
Tyre press. monitor inoper-
ative *T
he tyre pressure moni toring system is malfunctioning. &
W WARNI NG
ARNI NGThere is a risk of an accident if the tyre pressure monitoring system is malfunctioning
The tyre pressure monitoring system cannot issue a warning if there is pressure loss in one or more of the tyres.
Ty res with insu1cient tyre pressure may impair the driving characteristics as well as steering and braking. #
Have the tyre pressure monitoring system checked at a quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
469
469

ESC (Electr
ESC (Electr
onicSt
onic Stability Contr
ability Contr ol)
ol)
see ESP ®
(Elect ronic Stability Prog ram)
ESP
ESP ®
®
Crosswind Assis t.................................... 226
Tr ailer stabilisatio n................................. 227
ESP
ESP ®
®
(Electr
(Electronic St
onic Stability Pr
ability Pr ogr
ogram)
am)
Ac tivating/deactivating.......................... 227
Fu nction/no tes...................................... 225
EU type appr ov
EU type appr oval number
al number ............................. 394
Ext
Ext er
erior lighting
ior lighting
Care..................................................... .348
Ext
Ext er
erior lighting
ior lighting
see Lights F F
F F atigue det
atigue det ection
ection
see ATTENTION ASSIST
F
F ir
ir e e
e e xtinguisher
xtinguisher.......................................... 353
F
F irs
irst-aid kit t-aid kit (soT
(soTsided)
sided)................................. 353
Flat to
Flat towing
wing
see Tow- bar system Flat tyre
Flat tyre
MOExtended tyres................................. 354
No tes..................................................... 354
TIREFIT kit.............................................. 356
Wheel chang e........................................ 383
Floor mats
Floor mats................................................... 136
F
F oil cov
oil cov er
er ing
ing
Ra dar and ultrasonic sensor s................. 223
Fr
Fr ee
ee soTw
soTw are
are................................................. 45
Fr
Fr eq
eq uencies
uencies
Mobile phone......................................... 393
Tw o-w ayradio........................................ 393
Fr Fr ont airbag (dr
ont airbag (dr iv
iver
er , fr
, fr ont passeng
ont passeng er)
er).............. 52
Fr
Fr ont passeng
ont passeng er seat
er seat
see Load compartment
see Seat
Fr
Fr ont wheel ar ch
ont wheel ar ch
Fi tting/removing the co ver..................... 148
Fr
Fr ont wheel arc
ont wheel arc h cov
h cover
er
Fi tting/removing.................................... 148
F
F uel
uel
Additives................................................ 398
Diesel.................................................... 399 E10........................................................ 397
Fu
elreser ve........................................... 400
Low outside temp eratures...................... 399
Pe trol..................................................... 397
Quality (diesel )....................................... 399
Quality (petrol)....................................... 397
Re fuellin g.............................................. .191
Sulphur content..................................... 397
Ta nk content.......................................... 400
F F uel consump
uel consump tion indicat
tion indicator
or
Calling up.............................................. 185
F
F unction seat
unction seat
see Door cont rol panel
F
F uses
uses
Before replacing a fuse.......................... 371
Fu se assignment diag ram...................... .371
Fu se box in the engine compartment......3 72
Fu se box in the front passenger foot-
we ll........................................................3 72
Fu se box in the load compartment......... 373
No tes..................................................... 371 510
510
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

Multimedia syst
Multimedia syst
em
em
see MBUX multimedia system N
N
N
N a
avig
vig ation
ation
Ac tivating............................................... 303
No tes..................................................... 302
Overview................................................ 304
Sh ow ing/hiding the menu...................... 303
Na
Na vig vigation
ation
see Destination entry
see Map
see Route
N N eutr
eutr al
al
Engaging................................................ 188
N
Noise oise
Wheels and tyres................................... 374
Wheels/tyres......................................... 374 O
O
Occupant safe
Occupant safe ty
ty
see Airbag
see Automatic co-driver airbag shuto.
see Automatic measures aTer an accident see Child seat
see
Pets in theve hicle
see Post-collision brake
see PRE-SAFE ®
(anticipa tory occu-
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
see Restraint system
see Seat belt
Oil Oil see Engine oil
On-boar
On-boar d com
d comput
puter
er
Displa yingthe service due dat e.............. 336
Head-up display menu............................ 286
Instrument displa y................................. 285
Menu overview.......................................2 82
Operating.............................................. 282
On-boar
On-boar d diagnos d diagnostics int tics interf
erface
ace
see Diagnostics connection
On-boar
On-boar d electr
d electrical syst
ical syst em batt
em batter
ery (12 V)
y (12 V)
Charging................................................ 363
Re placing.............................................. .364
St arting assis tance............................... .363 On-boar
On-boar d electr d electronics
onics
Engine electronics................................. 392
No tes..................................................... 392
Tw o-w ayradios...................................... 392
on-demand f
on-demand f eature eature
Ac tivating................................................. 26
No tes...................................................... .26
Online ser
Online ser vices
vices
Data storag e............................................ 44
Online ser
Online ser vices
vices
see In-Car O1ce
Open-sour
Open-sour ce
cesoTw
soTw are
are.................................... 45
Opening t
Opening t he t
he tailg
ailgat
ate using y
e using y our f
our foot
oot
HANDS-FREE ACCESS............................. 92
Oper
Oper ating
ating 0uids
0uids
Ad Blue ®
................................................ .400
Ad ditives (fuel)....................................... 398
Brake 0uid............................................. 403
Coolant (engine).................................... 404
Engine oil............................................... 401
Fu el (diesel)........................................... 399
Fu el (petrol)........................................... 397
No tes..................................................... 396
windsc reen washer 0uid........................ .404 Index
517 517

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

Soc
ket................................................... 275
T
T r
railer st
ailer st abilisation
abilisation
Fu nction/no tes...................................... 227
Tr
Tr ansmission
ansmission
Engaging neutral.................................... 188
Tr
Tr ansmission (pr
ansmission (pr oblem)
oblem)................................ 189
Tr
Tr ansmission position displ ay
ansmission position displ ay....................... 187
Tr
Tr anspor
anspor ting
ting
Ve hicle.................................................. 368
Tr
Tr im element (Car
im element (Car e)
e)...................................... 349
T
T uneIn
uneIn
Calling up.............................................. 334
T
T ur
ur n signal indicat
n signal indicat or
or
Ac tivating/deactivating.......................... 140
T
T ur
ur n signal lights
n signal lights
Changing bulbs (rear)............................. 149
Tw
Tw o-wa
o-wa y r
y radios
adios
Fr equencies........................................... 393
No tes on ins tallation.............................. 392
Tr ansmission output (maximum )............. 393
T
T ype approv
ype appr oval number (EU)
al number (EU) ........................... 394 T
T yr
yr e
ein0ation
in0ation com
com pr
pressor
essor
see TIREFIT kit
T
T yr
yr e pr
e pr essure
essure
Checking (tyre pressure moni toring
system).................................................. 377
No tes..................................................... 375
Re starting the tyre pressure loss
wa rning system...................................... 379
Re starting the tyre pressure monitor-
ing system............................................. 378
TIREFIT kit..............................................3 56
Ty re pressure loss warning system
(function)............................................... 378
Ty re pressure monitoring system
(function)............................................... 377
Ty re pressure table................................ .376
T T yr
yr e pr
e pr essur
essur e loss w
e loss w ar
arning syst
ning syst em
em
Fu nction................................................ 378
Re starting.............................................. 379
T
T yr
yr e pr
e pr essur
essur e monit
e monit or
oring sy st
ing syst em
em
Checking the tyre pressures................... 377
Checking the tyre temp eratur e............... 377
Fu nction................................................ 377
Re starting.............................................. 378 T
T
yr
yr e pr
e pr essur
essur e t
e table
able ...................................... .376
T
T yr
yr e t
e t em
em per
per ature
ature
Checking (tyre pressure monitoring
system)..................................................3 77
Ty re pressure monitoring system
(function)............................................... 377
T T yr
yr e tr
e tr ead
ead.................................................... 374
T
T yr
yr e-c
e-c hang
hang e t
e tool kit
ool kit
Overview................................................ 383
T
T yr
yr es
es
Checking............................................... 374
Checking the tyre pressure (tyre pres-
sure monitoring system)......................... 377
Fi tting.................................................... 387
Flat tyre................................................. 354
Inter changing......................................... 382
MOExtended tyres................................. 354
Noise..................................................... 374
No tes on /tting...................................... 379
Re moving............................................... 387
Re placing...................................... .379, 383
Re placing the wheel trim........................ 384
Re starting the tyre pressure loss
wa rning system...................................... 379 526 526
Index