USB port MERCEDES-BENZ B-CLASS HATCHBACK 2021 Owners Manual

No
tes on driving with a roof load
R Evenly dist ribute thero of load, and place
heavy objects at the bottom. Also comply with
th e no tes on loading theve hicle.
R Drive attentivel y,and avoid suddenly pulling
awa y,braking and steering as well as rapid
cornering.
R When transporting roof loads and when the
ve hicle is fully loaded or fully occupied, select
drive prog rams ; andA. These are
designed tofocus on stability (/ page 182).
% For more information on st owage compart-
ments and st owage areas, please referto the
Digital Owner's Manual. S
S
t
to
o w
w ag
ag e spaces in t
e spaces in t he v
he vehicle int
ehicle int er
erior
ior Ov
Ov
er
ervie
vie w of t
w of t he fr
he front st ow
ont st owag
age com
e com par
partments
tments 1
Stow age spaces in the doors
2 Stow age compartment in the armrest with a
multimedia and USB connection
3 Stow age compartment in the front centre
console with a USB port
4 Glovecompartment Expanding t
Expanding t
he load com
he load com par
partment b
tment b y f
y folding t
olding t he
he
seat bac
seat bac kr
kr es
es t on t
t on t he fr
he front passeng
ont passeng er side f
er side for-
or-
w
w ar
ar ds
ds &
W
WARNING
ARNING Risk of becoming trapped dur-
ing seat adjustment
When you adjust a seat, you or other vehicle
occupants could become trapped, e.g. on the
seat guide rail. #
Make sure when adjusting a seat that no
one has any body parts in the sweep of
th e seat. Obser
vethe saf ety no tes on "Airbags" and "Chil-
dren in theve hicle". &
W
WARNING
ARNING Risk of injury if the seat backr-
ests are folded forw ards
Re ar passen gers may come into contact with
parts of the mechanical seat components. #
Ifth e front passenger seat backrest is
fo lded forw ards and there is a passenger
in the car, the passenger must sit in the
re ar seat behind the driver. Seats and st
owing
121
121

Example: 12 V soc
ket in the st owage compartment
in the front centre console #
Fold up soc ket cap 1. #
Inse rtthe plug of the device.
12 V soc ke
12 V soc ket in t
t in t he st ow
he st owag
age com
e com par
partment wit
tment wit h
h
cov
cov er:
er:ifyo u ha veconnected a device tothe 12 V
soc ket, lea vethe co ver of the st owage compart-
ment open. USB por USB por
t in t
t in the r
he rear passeng
ear passeng er com
er compar
partment
tment %
Depending on theve hicle equipment, the
design of the st owage compartment and thenumber of USB ports in
there ar cent recon-
sole may vary.
When theve hicle is switched on, you can charge a
USB device, such as a mobile phone, at USB ports
using a suitable charging cable. W W
ir
ireless c
eless c har
harging of t
ging of t he mobile phone and con-
he mobile phone and con-
nection wit
nection wit h t
h the e
he e xt
xter
er ior aer
ior aer ial
ial N
No
ot
tes on wir
es on wir elessl
elessly c
y char
har ging t
ging t he mobile phone
he mobile phone &
W
WARNING
ARNING Risk of injury due toobjects
being st owed incor rectly
If objects in theve hicle interior are st owed
incor rectl y,they can slide or be thro wn around
and hit vehicle occupants. In addition, cup
holders, open st owage spaces and mobile
phone recep tacles cannot alw aysreta in all
objects within.
There is a risk of injur y,particular lyin the
eve nt of sudden braking or a sudden change
in direction. #
Always st owobjects so that they cann ot
be thro wn around in such situations. #
Always make sure that objects do not
pr otru de from st owage spaces, lug gage
nets or st owage nets. #
Close the loc kable st owage spaces
before starting a jou rney. #
Always st owand secure heavy, hard,
poin ted, sharp-edged, fragile or bulky
objects in the boot/load compartment. Obser
vethe no tes on loading theve hicle. &
W WARNING ARNING Risk of /re from placing objects
in the mobile phone st owage compart-
ment
Placing other objects in the mobile phone
st ow age compartment could constitute a /re
hazard. #
Apart from a mobile phone, do not place
any other objects in the mobile phone
st ow age compartment, especially those
made of me tal. 134 134
Seats and st
owing

ular
the data pr otection regulations, in your
countr y.
Fo rth is reason, before using the dashcam
inform yourself about there gulation de tails for
th ere specti vecount ry.
This function is not permitted in all countries. #
Obser vethe count ry-speci/c regula-
tions. Selecting a USB de
Selecting a USB de
vice f
vice for a video r
or a video r ecor
ecording with
ding with
t
t he dashcam
he dashcam R
R
eq
eq uir
uir ements:
ements:
R Atleast one USB device is connected with the
multimedia system .
Multimedia system: 4 © 5
Mercedes me & Apps
5 Dashcam #
Select the USB device.
% When USB devices contain multiple partitions,
re corded video /les are not alw ays displa yed
in there cording list. Mercedes-Benz
recommends that you use
USB devices with one partition. S
S
t
tar
ar ting or st
ting or st opping video r
opping video r ecor
ecording wit
ding wit h t
h the
he
dashcam
dashcam R
R
eq
eq uir
uir ements:
ements:
R A USB device is connected with the multime-
dia system .
R The vehicle is switched on.
Multimedia system: 4 © 5
Mercedes me & Apps
5 Dashcam #
If se veral USB devices are connected with the
multimedia system, select a USB device
(/ page 310). #
Select theIndividual recording orLoop
recording recording mode.
If Individual recording is selected andthe
memory is full there cording stops.
If Loop recording has been selected, se veral
short video /les are recorded. When the mem-
ory limit is reached, the oldest video /le is dele
ted and recording is continued automati-
call y. #
T
To st
o st art
art::select Start recording.
The length of there cording is shown. The
Please do not remove the storage medium.
message appears. The video /le is stored on
th e USB device. #
T To end:
o end: selectEnd recording .
A report may appear in thefo llowing cases:
R Forth eIndividual recording recording mode:
th e memory is full or there are only a few
minutes recording time available. The video
re cording stops or will be stopped imminent ly.
Change the USB device or dele tea video /le.
R If a video recording has star ted and a national
border is de tected, theNational border
crossed. Please observe the countryspecific
regulations regarding video recording. mes-
sage appears.
This function is not available in all countries.
R The camera is not functional, theCamera
unavailable message appears. 310 310
MBUX multimedia system

%
Websites cannot be shown while theve hicle is
in motion. Ov
Ov
er
ervie
vie w of smar
w of smar tphone int
tphone int egr
egration
ation Wi
th Sma rtphone Integ ration, you can use cer tain
functions on your mobile phone via the multime-
dia system displa y.
Only one mobile phone at a time can be connec-
te d via Smartphone Integ ration tothe multimedia
system. Also for use with two phone mode with
smartphone integ ration, only one additional
mobile phone can be connec ted using Blue tooth ®
with the multimedia system.
The full range of functions for Smartphone Inte-
gr ation is only possible with an Internet connec-
tion. The appropriate application must be down-
loaded on the mobile phone touse Smartphone
Integ ration. The mobile phone must be switched
on and connec tedto a USB port with theç
symbol on the multimedia system using a suitable
cable.
Apps for Smartphone Integ ration
R Apple CarPlay ® R
Android Auto
% For saf etyre asons, the /rst activation of
Smartphone Integ ration on the multimedia
system must be car ried out when theve hicle
is stationary and the parking brake is applied.
Yo u can start Apple CarPlay ®
or Android Auto
from the device manager.
% Mercedes-Benz recommends disconnecting
th e connecting cable only when theve hicle is
stationar y.
Ov
Ov er ervie
vie w of tr
w of tr ansf
ansferr
erred v
ed v ehicle data
ehicle data
When using Smartphone Integ ration, cer tain vehi-
cle data is transfer redto the mobile phone. This
enables youto get the best out of selected mobile
phone services. Vehicle data is not directly acces-
sible.
The following system information is transmitted:
R SoTware release of the multimedia system
R System ID (anonymised)
The transfer of this data is used tooptimise com-
munication between theve hicle and the mobile
phone. To
do this, and toassign se veralve hicles tothe
mobile phone, a vehicle identi/er is random lyge n-
erated.
This has no connection totheve hicle identi/ca-
tion number (VIN) and is dele ted when the multi-
media system is reset (/ page 301).
The following driving status data is transmitted:
R Transmission position engaged
R Distinction between par ked, standstill, rolling
and driving
R Day/night mode of the inst rument clus ter
R Drive type
The transfer of this data is used toalter how con-
te nt is displa yedto cor respond tothe driving sit-
uation.
The following position data is transmitted:
R Coordinates
R Speed
R Compass direction
R Acceleration direction 322 322
MBUX multimedia system

Symbol
Symbol
DesignationF
Designation Function
unction
Z SettingsS electtomake settings.
© HomeSelecttoreturn tothe home screen.
j MessagingSelecttocall up messaging.
2 Full screen Selecttoswitch tofull sc reen mode. The
following functions and settings are available
in the media menu:
R Connecting extern al data storage media with
th e multimedia system (e.g. using USB or
Blue tooth ®
)
R Playing ba ckaudio or video /les
R Streaming online music A
A
ut
ut hor
hor ising a Blu et
ising a Bluet ooth
oo th®
®
audio de
audio de vice f
vice for media
or media
pla
pla yback
yback R
R
eq
eq uir
uir ements:
ements:
R Bluetoo th®
is activated on the multimedia sys-
te m and audio equipment.
R The audio equipment supports the Blue tooth ®
audio pro/les A2DP and AVRC P.
R The audio equipment is "visible" forot her devi-
ces. Multimedia system:
4 © 5
Media 5
Bluetooth 5
00A5
Wi th Blue tooth ®
audio, you can play back music
/les from an extern al data storage medium, e.g.
yo ur smartphone, using the MBUX multimedia
system. #
Toplay back audio /les using the multimedia
system, authorise theex tern al data storage
medium on the MBUX multimedia system.
A
A ut
ut hor
hor ising a ne
ising a ne w Bluet
w Bluetooth
oo th®
®
audio de
audio de vice
vice #
Select Connect new device . MBUX multimedia system
331
331

Main beam............................................. 149
No tes..................................................... 147
Overview................................................ 148
Re versing lights......................................1 49
Tu rn signal lights (rear)........................... 149
Changing g
Changing g ears
ears
Manually................................................ 189
Changing hub caps Changing hub caps ....................................... 384
Char Char ging
ging
Char geleve l displa y............................... 214
Charg ing cable control panel.................. 203
Ending thech arging process (alternat-
ing cur rent, mode 2/3).......................... 209
Ending thech arging process (direct
cur rent, mode 4).................................... 213
Indica tor lamps on vehicle soc ket........... 205
No tes - charging station (mode 3)......... .201
No tes - fast charging station (mode 4)... .202
No tes - mains soc ket (Mode 2)............... 200
No tes - wallbox (mode 3)........................ 201
No tes on charging the high-voltage
battery................................................... 198
On-board electrical system battery
(12 V).................................................... 363 Setting
the maximum possible charg-
ing cur rent (mains soc ket)...................... 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
USB port............................................... .134
Char
Char ging cable ging cable
Control panel......................................... 203
St ow ing................................................. 198
Child safe Child safe ty lock
ty lock
Re ar door................................................ .78
Re ar side wind ows................................... 80
Child seat
Child seat
Appr oval catego ries.................................66
At tach ing (no tes)..................................... .66
Basic instructions.................................... 61
Fr ont passenger seat (no tes).................... 76
Fr ont passenger seat (without auto-
matic airbag shuto.)............................... .76
ISOFIX/i-Size (/tting).............................. .70
No tes on risks and danger s...................... 62
Re commendations forch ild restraint
systems................................................... 65 Seats suitable
for belt-secured child
re straint systems..................................... 73
Seats suitable for i‑Size child restraint
systems................................................... 69
Seats suitable for ISOFIX child
re straint systems..................................... 68
Securing on the co-driver seat..................77
Securing on there ar seat......................... 74
To pTe ther................................................ 72
Childr
Childr en en
Av oiding dangers in theve hicle............... .62
Basic instructions.................................... 61
Chock
Chock Storage location..................................... 383
Chock
Chock see Chock
City lighting
City lighting.................................................. 142
Cleaning
Cleaning
see Care
Cleaning
Cleaning 0uid
0uid
see windscreen washer 0uid
Climat
Climat e contr
e contr ol
ol
Ac tivating/deactivating.......................... 158 500
500
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