display MERCEDES-BENZ B-CLASS HATCHBACK 2021 Manual PDF

F
F
olding t
olding t he ball nec
he ball nec k out
k out #
Pull switch 2until the ball neck unloc ks.
The ball neck will fold out from under there ar
bumper.
Indicator lamp 1will 0ash. #
Pull the ball neck in the direction of the ar row
until it engages audibly in a vertical position.
Indicator lamp 1onthe ball neck release
switch will go out.
If th e ball neck is not securely loc ked in place,
th eTrailer coupling Check lockmessage will
appear on the inst rument displa y. #
Remo vethe co ver cap from the ball head and
store it in a safe place. Make sure
that the ball on the ball neck is clean.
Check that it is either greased or dry (g rease-
free), depending on the inst ructions forth e trailer.
F
F olding t olding t he ball nec
he ball nec k in
k in #
Pull switch 2until the ball neck unloc ks.
The ball neck will fold up under there ar
bumper.
Indicator lamp 1will 0ash. #
Push the ball neck in the direction of the
ar ro w until it engages audibly behind the
bumper.
Indicator lamp 1will go out and the message
on the inst rument display will disappear.
Obser vethe information about the displa yson the
inst rument cluster:
R Indicator and warning lamps (/ page 479)
R Display message s (/page 412) Coupling up/uncoupling a tr Coupling up/uncoupling a tr
ailer
ailer R
R
eq
eq uir
uir ements:
ements:
R The ball neck is extended and engaged in a
securely loc ked position. Driving and parking
275
275

Tr
ailers with a 7-pin plug can be connected tothe
ve hicle with thefo llowing adap ters:
R Adapter plug
R Adapter cable
The trailer will be cor rectly de tected bytheve hi-
cle only if thefo llowing conditions are met:
R The trailer is connected cor rectl y.
R The trailer lighting system is in working order.
The functions of thefo llowing systems will be
a.ec tedbya cor rectly connected trailer:
R ESP ®
trailer stabilisation
R Active Lane Keeping Assist
R Parking Assist PARKTRONIC
R Active Parking Assist
R Blind Spot Assist or Active Blind Spot Assist
R Drive Away Assist
R Cross Tra1c Ale rt
R Reversing camera
R 360° camera Coupling up a tr
Coupling up a tr ailer
ailer
* NO
NOTE
TEDamage tothe star ter battery due
to full dis charge Charging
the trailer battery using the po wer
supply of the trailer can damage the star ter
batter y. #
Do not use theve hicle's po wer supply to
ch arge the trailer batter y. #
Remo vethe co ver cap from the ball head and
store it in a safe place. #
Position the trailer on a le vel sur face behind
th eve hicle and couple it up totheve hicle. #
Open the soc ket cap. #
Inse rtthe plug with lug 1ingroo ve 3 on
th e soc ket. #
Turn bayonet coupling 2totheright as far as
it will go. #
Let the cap engage. #
Secure the cable tothe trailer with cable ties
(only if you are using an adap ter cable). #
Make sure that the cable is alw ays slack for
ease of mo vement during cornering.
Under thefo llowing conditions, a message may
appear on the inst rument display even if the
trailer has been connec ted cor rectl y:
R LEDs ha vebeen ins talled in the trailer lighting
system.
R The cur rent has fallen below the trailer lighting
system's minimum cur rent (50 mA).
% Accessories can be connected tothe perma-
nent po wer supply up to180 W and tothe
po we r supply that is switched on via the igni-
tion loc k. 276
276
Driving and parking

N
N
o
ot
tes on t
es on t he ins
he instrtrument displa
ument displa y and on-board
y and on-board
com
com put
puter
er &
W
WARNING
ARNING Risk of accident if the inst ru-
ment display fails
If th e inst rument display has failed or is mal-
functioning, function restrictions in systems
re leva nt tosaf ety cann otbe de tected.
The operating saf ety of your vehicle may be
impaired. #
Drive on carefull y.#
Have theve hicle checked immediately at
a qu ali/ed specialist workshop. If
th e operating saf ety of your vehicle is impaired,
park theve hicle immediately and safel y.Contact a
qu ali/ed specialist workshop.
Plug-in h
Plug-in h ybr
ybrid:
id: &
W
WARNING
ARNING Risk of accident if the inst ru-
ment display fails
In theeve nt of a failure or malfunction of the
inst rument displa y,yo u will not recognise limi- ta
tions in the functions of systems releva nt to
saf ety. This may impair ope rating saf ety. #
Park theve hicle safely as soon as possi-
ble and notify a quali/ed specialist work-
shop. &
W
WARNING
ARNING Risk of distraction due toinfor-
mation systems and communications
equipment
If yo u operate information systems and com-
munications equipment integ rated in theve hi-
cle when driving, you could be distracted from
th e tra1c situation. This could also cause you
to lose control of theve hicle. #
Only operate this equipment when the
tra1c situation pe rmits. #
Ifyo u cannot be sure of this, stop the
ve hicle in accordance with the tra1c
conditions and operate the equipment
with theve hicle stationar y. Yo
u must obser vethe legal requ irements forthe
count ryin which you are cur rently driving when
ope rating the on-board computer. The on-board computer sho
wsonly display mes-
sages and warnings from speci/c systems on the
inst rument displa y.Yo u must therefore ensure
th at your vehicle is alw aysre liable.
If th e operating saf ety of your vehicle is impaired,
park theve hicle immediately and in accordance
with the tra1c conditions. Contact a quali/ed
specialist workshop. 280 280
Instrument display and on-board computer

Ov
Ov
er
ervie
vie w of ins
w of ins tr
trument display
ument display 1
Display content on leT (e xample: speedome-
te r): speedome ter / time / date / trip com-
puter From start andFrom reset/ range /
audio
The segments on the speedome ter indicate
th e statuses of thefo llowing systems: cruise
control/limiter/Active Distance Assist
DISTRONIC 2
Outside temp erature
3 Digital speedome ter
4 Time
5 Display content on right (e xample:tach ome-
te r): tach ome ter / average fuel consump-
tion / ECO display / navigation / G-me ter /
assistant display / po wer me ter / po wer av
ailability displ ayofthe electric mo tor
(equipment-dependent)
The fuel supp lywill be inter rupted toprotect
th e engine when there d mark on therev
counter (o verrev ving range) is reached.
6 Index points
These show the selected display or menu con-
te nt. Instrument display and on-board computer
281 281

7
Coolant temp erature display
During normal operation, the coolant temp er-
ature display is permitted torise to120°C.
8 Selected drive prog ram
9 Selected transmission position
A Centre display area of the inst rument display
(e xamp le: standard display for trip): Assis-
ta nce / Telephone / Navigation / Trip /
Media / Radio / Styles and displa ys /
Service / Powe r me ter (equipment-depend-
ent)
B Fuel le vel, fuel /ller 0ap location indicator,
ra nge Ov
Ov
er
ervie
vie w of butt
w of butt ons on t
ons on the st
he steer
eer ing wheel
ing wheel 1
P Back/Home button (p ress and hold),
on-board computer
2 Touch Control, on-board computer
3 Control panel for cruise control/limiter or
Ac tive Distance Assist DISTRONIC
4 Control panel forth e MBUX multimedia sys-
te m (/ page 288) £
LINGU ATRO NIC
5 00E2 Tocall up the home screen of the multi-
media system
6 Touch Control multimedia system
7 0038 Back button (multimedia system)
8 Brightness control toadjust the lighting in the
Instrument Displ ayand in the control ele-
ments of theve hicle interior Oper
Oper
ating t
ating t he on-boar
he on-boar d com
d comput
puter
er
Obser vethe legal requ irements forth e country in
which you are cur rently driving when ope rating
th e on-board computer. 282
282
Instrument display and on-board computer

The on-board computer is ope
rated using the leT-
hand Touch Control and the leT-hand back/home
button.
When the on-board computer is being operated,
di.erent acoustic signals will sound as operating
fe edbac k,e.g. when the end of a list is reached or
when you are scrolling thro ugh a list.
The following menus are available:
R Assistance
R Telephone
R Navigation
R Trip
R Radio
R Media
R Styles & display
R Service
% You can /nd information about the possible
settings and selections on the menus in the
Digital Owner's Manual.
The menus can be called up from the menu bar
on the inst rument displa y. #
T To call up t
o call up t he menu bar:
he menu bar: pressthe leT-hand
back button until the menu bar is displa yed.
% V
Vehicles wit
ehicles wit hout A
hout Activ
ctive Dist
e Dist ance Assis
ance Assist t
DIS
DIS TR
TRONIC:
ONIC: pressthe00E2 button tocall up
th e menu bar of the on-board computer. #
T
To scr
o scr oll on t
oll on t he menu bar
he menu bar :
:swipe leT or right
on the leT-hand Touch Control. #
T
To call up a menu, submenu or possible se
o call up a menu, submenu or possible se t-
t-
tings on t
tings on t he menu, or
he menu, or con/rm
con/rma selection or
a selection or
se
se tting:
tting: press the leT-hand Touch Control. #
T
To scr
o scr oll t
oll thr
hrough display
ough display s or lis
s or lists on tts on the
he
menu, or select displa
menu, or select displa y cont
y content, a function,
ent, a function,
an entr
an entr y or a display
y or a display :
:swipe upwards or down-
wa rds on the leT-hand Touch Control. #
T
To e
o e xit a submenu:
xit a submenu: pressthe leT-hand back
button.
Selecting t
Selecting t he head-up display
he head-up display #
T
To switc
o switc h on t
h on the head-up display
he head-up display :
:switch on
th e head-up display via the multimedia system
or activate it on the menu bar byswiping
upwards on the leT-hand Touch Control.
The head-up display menu will be selected on
th e head-up displa y. #
T To switc
o switc h t
h to t
o t he head-up display
he head-up display :
:press the
leT-hand Touch Control or swipe upwards on
th e leT-hand Touch Control. #
T
To se
o se t t
t the t
he t hr
hree displa
ee displa y r
y rang
ang es of t
es of t he head-up
he head-up
display
display :
:swipe upwards or down wards on the
leT-hand Touch Control.
F
F ull-scr
ull-scr een menus
een menus
V
V ehicles wit
ehicles wit h an ins
h an instrtrument displa
ument displa y in t
y in the wide-
he wide-
scr
scr een coc
een coc kpit:
kpit:thefo llowing menus can be
shown full-screen on the inst rument displa y:
R Assistance
R Trip
R Navigation #
Onthe cor responding menu, use the leT-hand
To uch Control toscroll tothe end of the list. #
Press the leT-hand Touch Control.
The selected menu will be displa yed full-
screen. Inst
rument display and on-board computer
283
283

F
F
unction of t
unction of t he pow
he power met
er meter (plug-in h
er (plug-in h ybr
ybrid)
id) 1
Combustion engine and electric mo tor
switched o.
2 Position in the display range of there co vered
energy
3 End of the display range of there co vered
energy
4 End of the display range of the combined out-
put of thehy brid system The
following functions of the po wer me ter are
per form ed:
R The po wer me ter supports you in electric-only
mode and displa ys the output obtained from
th ehy brid system.
R Regenerated energy is sh own in area 1–
3.
R When the po wer me ter needle is at position
1, theve hicle is switched o.. The combus-
tion engine and the electric mo tor are
switched o..
R Pow errange 3–4 show sth e combined
output of thehy brid system. F
F
unction of t
unction of t he electr
he electric mot
ic motor pow
or pow erav
er availability
ailability
displa
displa y (plug-in h
y (plug-in h ybr
ybrid)
id) 1
Start of the POWER display range
2 End of the POWER display range
3 Maximum recuperated energy
4 Start of the display range of there cuperated
energy
5 Current state of charge ofthe high-voltage
battery
R Area 1-2 shows th e output in electric
mode or boost mode. The POWER display sup-
ports you in electric-only mode.
R Area 3-4 shows th ere cuperated energy. 284 284
Instrument display and on-board computer

R
From point 3,the maximum recuperated
energy has been reached.
R The cur rent state of charge of high-voltage
battery 5is displa yed. Displa
Displa
ying t
ying the pow
he pow er met
er meter (plug-in h
er (plug-in h ybr
ybrid)
id)
On-board computer: 4 Content #
Select Power meter. Ov
Ov
er
ervie
vie w of display
w of display s in t
s in the ins
he ins tr
trument display
ument display
Displa yson the inst rument displa y:
u Active Parking Assist (/ page 269)
é Parking Assist PARKTRONIC deactivated
(/ page 267)
h Cruise control (/ page 232)
00CB Limiter (/ page 232)
ç Active Distance Assist DISTRONIC
(/ page 235)
00D4 Active Brake Assist (/ page 244) à
Active Steering Assist (/ page 241)
00B0 Active Lane Keeping Assist (/ page 255)
° Haptic accelerator pedal (/ page 179)
õ PLUG‑IN HYBRID operation activated
ò Sound generator inoperative (/ page 426)
00D6 ECO start/stop function (/ page 176)
00D9 HOLD function (/ page 228)
00CE Adaptive Highbeam Assist (/ page 143)
Ad aptive Highbeam Assist Plus
(/ page 144)
ð Maximum permissible speed exceeded (for
cer tain countries only)
V
V ehicles wit
ehicles wit h Speed Limit Assist:
h Speed Limit Assist: detected
instructions and tra1c signs (/ page 249).
V
V ehicles wit
ehicles wit h
hTr
Tra1c
a1c Sign Assist:
Sign Assist: detected instruc-
tions and tra1c signs (/ page 250). Head-up display
Head-up display
F
F
unction of t
unction of t he head-up display
he head-up display The head-up display projects
thefo llowing infor-
mation into the driver's /eld of vision abo vethe
cockpit, forex ample:
R The vehicle speed
R Information from the navigation system
R Information from the driving systems and driv-
ing saf ety sy stems
R Some warning messages
Depending on theve hicle's equipment, di.erent
content can be shown in theth re e areas of the
head-up displ ay (/page 286). Inst
rument display and on-board computer
285
285

Displa
Displa
y cont
y content
ent 1
Navigation instructions
2 Current speed
3 Detected instructions and tra1c signs
4 Set speed in the driving system (e.g. cruise
control)
Syst
Syst em limits
em limits
The visibility of the displa yswill be a.ected bythe
fo llowing conditions:
R Seat position
R Image position setting
R Light conditions R
Wetro ad sur face
R Objects on the display co ver
R Polarisation in sunglasses
% Inextreme sunlight, sections of the display
may appear washed out. You can cor rect this
by deactivating and reactivating the head-up
displa y. Se
Se
tting t
tting t he head-up displa
he head-up displa y using t
y using the on-board
he on-board
com
com put
put er
er On-board co
mputer:
4 HEAD-UP DISPLAY
The following head-up display settings or displa ys
can be selected or shown:
R Position
R Brightness
R Messages
R Assis tance status
R Telephone
R Audio
R LINGU ATRO NIC #
T
To select t
o select t he Se
he Settings menu:
ttings menu: swipetotheright
on the leT-hand Touch Control.
The Settings menu 5will be selected. #
T
To call up t
o call up t he Se
he Settings menu:
ttings menu: pressthe leT-
hand Touch Control. #
T
To adjus
o adjust t t the position:
he position: swipe upwards or
down wards on the leT-hand Touch Control. #
T To adjus o adjust t t the br
he br ightness:
ightness: swipetothe leT or
ri ght on the leT-hand Touch Control.
Se
Se tting messag
tting messag es, assist
es, assistance st
ance st atus, t
atus, telephone,
elephone,
audio and LIN
audio and LIN GUA
GUATR
TRONIC
ONIC #
Press the leT-hand Touch Control.
The list of setting options will be displa yed. #
Swipe upwards or down wards on the leT-hand
To uch Control and select a setting bypressing
th e leT-hand Touch Control. 286
286
Instrument display and on-board computer

Selecting what t
Selecting what t
he head-up displa
he head-up displa y shows
y sho ws (Example)
1
Switching the head-up display on/o.
2 LeT display area
Navigation system
Av erage consum ption
G-me ter
3 Central display area
Speedome ter
Set speed in the driver assistance system,
e.g. cruise control
Wa rnings from driver assistance systems, e.g.
distance warning 4
Right display area
Tra1c Sign Assist
Assis tant display
5 Con/guring settings
6 Indexpoints
Display areas 2to4 that are not requ ired can
be hidden.
% In audio mode, the station name or track will
be shown temp orarily when the audio source
is being actively operated. In addition, the lat-
est calls will be displa yed when thete lephone
list on the inst rument display is actively oper-
ated. #
Swipe upwards or down wards on the leT-hand
To uch Control. Switc Switc
hing t
hing t he head-up displa
he head-up displa y
yon/o.
on/o. via t
via the mul-
he mul-
timedia syst
timedia syst em
em Multimedia system:
4 © 5
Settings 5
Quick access #
Select HUD.
The head-up-display is activated. Instrument display and on-board computer
287
287