2021 MERCEDES-BENZ B-CLASS HATCHBACK sensor

#
When closing thero ller sunblind, make sure
th at no body parts are in thera nge of mo ve-
ment. &
W
W ARNING
ARNING Risk of becoming trapped
despite reve rsing function
In particular, there ve rsing function does not
re act tosoT, light and thin objects, e.g. /n-
ge rs. #
When closing thero ller sunblind, make
sure that no body parts are in thera nge
of mo vement. #
Release the button immediately if some-
body becomes trapped.
or #
Brie0y press the button in any direction
during the automatic closing process.
The closing process will be stopped. A
A
ut
ut omatic functions of t
omatic functions of t he sliding sunr
he sliding sunroof
oof %
The term "sliding sunroof" also refers to the
panorama sliding sunroof. The sliding sunroof will be closed automatically
when theve hicle has been switched o. in thefo l-
lowing situations:
R if it starts torain
Ra in is de tected byara in sensor on the wind-
screen.
R inextreme temp eratures
R aTer a cer tain time (depending on the on-
board electrical system voltage)
R ifth ere is a malfunction in the po wer supply
The sliding sunroof will rise at there ar in order to
continue ventilating theve hicle interior.
If th e sliding sunroof is obstructed during an auto-
matic closing procedure, thero of will be opened
again slightl y.The automatic function forth e slid-
ing sunroof and the side windo wswill then be
deactivated.
R
R ain-closing f ain-closing f eatur
eature when dr
e when dr iving
iving
V
V ehicles wit
ehicles wit h a panor
h a panorama sliding sunr
ama sliding sunr oof:
oof:if it
starts torain, thera ised sliding sunroof will auto-
matically be lo wered while theve hicle is in
motion. A
A
ut
ut omatic low
omatic low er
ering function
ing function
V
V ehicles wit
ehicles wit h a panor
h a panorama sliding sunr
ama sliding sunr oof:
oof:ifthe
sliding sunroof is raised at there ar, it will auto-
matically be lo wered slightly at higher speeds. At
low speeds, it will be raised again automaticall y. &
W
WARNI NG
ARNI NGRisk of becoming trapped by
automatic lo wering of the sliding sunroof
At higher speeds, thera ised sliding sunroof
will automatically be lo wered slightly at the
re ar. #
Make sure that nobody reaches into the
sliding sunroof's range of mo vement
while theve hicle is in motion. #
If somebody becomes trapped, brie0y
push the sliding sunroof button forw ards
or backwards. %
By pushing or pulling the0057 button, you
can inter rupt the automatic functions "Rain
closing function when driving" and "Automatic
lo we ring". Opening and closing
101 101

R
aTer pressing the start/s top button with the
ke y in the st owage compartment
(/ page 170)
R aTer unlocking theve hicle using KEYLESS-GO
R when using HANDS-FREE ACCESS
Information on collision de tection on a par ked
ve hicle (/ page 221). Pr
Pr
iming/deactiv
iming/deactiv atingtow
ating tow-awa
-a wa y pr ot
y pr otection
ection Multimedia system:
4 © 5
Settings 5
Quick access #
Prime or deactivate Tow-away protection.
To w- awa y protection is primed again in thefo llo w-
ing cases:
R The vehicle is unloc ked again.
R A door is opened.
R The vehicle is loc ked again.
% Ifqu ick access is una vailable, select theVehi-
cle submenu in theSettings main menu to
prime or deactivate tow- awa y protection. F
F
unction of int
unction of int er
erior pr ot
ior pr otection
ection When interior pr
otection is primed, a visual and
audible alarm is triggered if mo vement is de tected
in theve hicle interior.
Interior pr otection is primed automatically aTer
appr oximately ten seconds:
R aTer locking theve hicle with thekey
R aTer locking theve hicle using KEYLESS-GO
Interior pr otection is only primed when thefo llo w-
ing components are closed:
R doors
R tailgate
Interior pr otection is automatically deactivated:
R aTer pressing theÜ or008B button on the
key
R aTer pressing the start/s top button with the
ke y in the st owage compartment
(/ page 170)
R aTer unlocking theve hicle using KEYLESS-GO
R when using HANDS-FREE ACCESS The
following situations can lead toafa lse alarm:
R when there are moving objects such as mas-
cots in theve hicle interior
R when a side wind owis open
R when a panoramic sliding sunroof is open Pr
Pr
iming/deactiv
iming/deactiv ating int
ating inter
erior pr ot
ior pr otection
ection Multimedia system:
4 © 5
Settings 5
Quick access #
Prime or deactivate Interior motion sensor .
Interior pr otection is primed again in thefo llowing
cases:
R The vehicle is unloc ked again.
R A door is opened.
R The vehicle is loc ked again.
% Ifqu ick access is una vailable, select theVehi-
cle menu under Settingstoprime or deacti-
va te interior pr otection. 104 104
Opening and closing

A
A
dap
dap tiv
tive Highbeam Assist
e Highbeam Assist A
A
dap
dap tiv
tive Highbeam Assis
e Highbeam Assist function t function &
W
W ARNING
ARNING Risk of accident despite Adap-
tive Highbeam Assist
Ad aptive Highbeam Assist does not react to:
R road users without lights, e.g. pedestrians
R road users with poor lighting, e.g. cyclists
R road users whose lighting is obstructed,
e.g. bya bar rier
On very rare occasions, Adaptive Highbeam
Assist may failto recognise other road users
with their own lighting, or may recognise them
to o late.
In these, or in similar situations, the automatic
high beam will not be deactivated or will be
activated despite the presence of other road
users. #
Always obser vethero ad and tra1c con-
ditions carefully and switch o. the high
beam in good time. Ad
aptive Highbeam Assist cann ottake into
account road, weather or tra1c conditions.
De tection may be restric ted in thefo llowing
cases:
R In poor visibility, e.g. fog, heavy rain or snow
R Ifth ere is dirt on the sensors or the sensors
are obscured
Ad aptive Highbeam Assist is only an aid. You are
re sponsible for adjusting theve hicle's lighting to
th e pr evailing light, visibility and tra1c conditions. Ad
aptive Highbeam Assist automatically switches
between thefo llowing types of light:
R Low beam
R High beam
At speeds greater than 30 km/h:
R If no other road users are de tected, the high
beam will switch on automaticall y. Light and sight
143 143

The high beam will switch o. automatically in
the
fo llowing cases:
R Atspeeds below 25 km/h
R Ifot her road users are de tected
R If st reet lighting is su1cient
% The system's optical sensor is located behind
th e windscreen near theove rhead control
panel.
Switc
Switc hing A
hing A dap
daptiv
tive Highbeam Assis
e Highbeam Assist ton/o.
on/o.
Switc
Switc hing on
hing on #
Turn the light switch tothe0058 position. #
Switch on the high beam using the combina-
tion switch.
If Ad aptive Highbeam Assist is activated,
th e00CE indicator lamp will light up on the
cent ral display section of the inst rument dis-
pla y.
Switc Switc hing
hingo.
o. #
Switch o. the high beam using the combina-
tion switch. A
A
dap
dap tiv
tive Highbeam Assis
e Highbeam Assist Plus t Plus A
A
dap
dap tiv
tive Highbeam Assis
e Highbeam Assist Plus function t Plus function &
W
WARNING
ARNING Risk of accident despite Adap-
tive Highbeam Assist Plus
Ad aptive Highbeam Assist Plus does not react
to:
R road users without lights, e.g. pedestrians
R road users with poor lighting, e.g. cyclists
R road users whose lighting is obstructed,
e.g. bya bar rier
On very rare occasions, Adaptive Highbeam
Assist Plus may failto recognise other road
users with their own lighting, or may recognise
th em too late.
In these, or in similar situations, the automatic
high beam will not be deactivated or will be
activated despite the presence of other road
users. #
Always obser vethero ad and tra1c con-
ditions carefully and switch o. the high
beam in good time. Ad
aptive Highbeam Assist Plus cann ottake into
account road, weather or tra1c conditions.
De tection may be restric ted in thefo llowing
cases:
R in poor visibility, e.g. fog, heavy rain or snow
R ifth ere is dirt on the sensors or the sensors
are obscured
Ad aptive Highbeam Assist Plus is only an aid. Yo u
are responsible for adjusting theve hicle's lighting
to the pr evailing light, visibility and tra1c condi-
tions. 144 144
Light and sight

Ad
aptive Highbeam Assist Plus automatically
switches between thefo llowing types of light:
R Low beam
R Partial high beam
R High beam
Pa rtial high beam uses the high beam toshine
past other road users rather than dazzling them. The
vehicle in front will be illuminated bythe low
beam.
At speeds greater than 30 km/h:
R If no other road users are de tected, the high
beam will switch on automaticall y.
R Ifot her road users are de tected, the partial
high beam will switch on automaticall y.
At speeds below 25 km/h or when there is su1-
cient street lighting:
R The high beam will switch o. automaticall y.
R The partial high beam will switch o. automati-
cally.
% The system's optical sensor is located behind
th e windscreen near theove rhead control
panel.
Switc
Switc hing A hing A dap
daptiv
tive Highbeam Assis
e Highbeam Assist Plus t Pluson/o.
on/o.
Switc
Switc hing on
hing on #
Turn the light switch tothe0058 position. #
Switch on the high beam using the combina-
tion switch.
When the high beam is switched on automati-
cally in the dar k, the00CE indicator lamp will
light up on the central display section of the
inst rument displa y.
Switc
Switc hing hingo.
o. #
Switch o. the high beam using the combina-
tion switch. Se
Se
tting t
tting t he e
he ext
xter
er ior lighting
ior lighting switc
switch-o.
h-o. dela
dela y time
y time R
R
eq
eq uir
uir ements:
ements:
R The light switch is in the0058 position.
Multimedia system: 4 © 5
Settings 5
Lights
5 Ext. light. del. sw. off #
Set the swit ch-o. delay time.
When theve hicle engine is switched o., the
ex terior lighting will be activated forth e set
time. Light and sight
145
145

R
The bonnet is closed.
R The doo rsare closed and loc ked.
R The windo wsand sliding sunroof are closed. #
Start theve hicle using the smartphone.
ATer every engine start, the engine runs for
te n minutes.
Yo u can car ryout a maximum of two consecutive
starting attem pts. You must start the engine with
th eke y before trying tostart theve hicle again
with the smartphone.
Yo u can switch o. theve hicle at any time as fol-
lo ws:
R Viath e Smartphone App
R By pressing theÜ orß button on the
key
% Further information can be found in the
smartphone app.
Secur
Secur ing t
ing the v
he v ehicle ag
ehicle ag ains
ainst st
t star
arting bef
ting bef or
ore car ry-
e car ry-
ing out maint
ing out maint enance or r
enance or repair w
epair wor
ork:
k: #
Switch on the hazard warning light system.
or #
Unlock the doors.
or #
Open a side window or the sliding sunroof. R
R
unning-in not
unning-in not es
es To
preser vethe engine during the /rst 1,500 km:
R Drive at varying road speeds and engine
speeds.
R Do not drive at speeds greater than
140 km/h.
R Drive theve hicle in drive prog ram A
or ;.
R ShiT tothe next highest gear at theve ry latest
when the needle reaches the last third before
th ere d area in there v counter.
R Do not shiT down manual lyin order tobrake.
R Avoid overstraining theve hicle, e.g. driving at
full thro ttle.
R V
V ehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: do not
depress the accelerator pedal be yond the
pressure point (kickdown). R
Only increase the engine speed gradually and
accelerate theve hicle tofull speed aTer
1,500 km.
This also applies when the engine or parts of the
driv etra in ha vebeen replaced.
Please also obser vethefo llowing running-in
no tes:
R In cer tain driving and driving saf ety sy stems,
th e sensors adjust automatically while a cer-
ta in distance is being driven aTer theve hicle
has been deli vered or aTer repairs. Full sys-
te m e.ectiveness is not reached until the end
of this teach-in process.
R Brakepads, brake disks and tyres that are
either new or ha vebeen replaced only achie ve
optimum braking e.ect and grip aTer se veral
hund red kilometres of driving. Compensate for
th ere duced braking e.ect byapplying greater
fo rc eto the brake pedal. 172
172
Driving and parking

Dr
Dr
iving and dr
iving and dr iving safe
iving safety sy
ty syst
stems
ems Dr
Dr
iving syst
iving syst ems and y
ems and y our r
our r esponsibility
esponsibility Yo
ur vehicle is equipped with driving systems
which assist you in driving, parking and manoeu-
vring theve hicle. The driving systems are only
aids. They are not a substitute foryo ur attention
to the sur roundings and do not relie ve you of your
re sponsibility per taining toroad tra1c la w.The
driver is alw aysre sponsible for maintaining a safe
distance totheve hicle in front, forve hicle speed,
fo r braking in good time and for st aying in lane.
Pa y attention tothe tra1c conditions at all times
and inter vene when necessar y.Be awa reofthe
limitations rega rding the safe use of these sys-
te ms.
Driving systems can neither reduce therisk of
accident if youfa ilto adapt your driving style nor
ove rride the la wsof ph ysics. They cannot alw ays
ta ke into account road, weather or tra1c condi-
tions. Inf
Inf
or
ormation on v
mation on v ehicle sensor
ehicle sensor s and camer
s and cameras
as Some driving and driving saf
ety sy stems use cam-
eras as well as radar or ultrasonic sensors to
monitor the area in front of, behind or next tothe
ve hicle. 1
Multifunction camera
2 Cameras in the outside mir rors
3 Front radar 4
Front camera
5 Corner radars
6 Ultrasonic sensors
7 Reversing camera &
W
WARNING
ARNING Risk of accident due torestric-
te d de tection per form ance of vehicle sen-
sors and cameras
If th e area around vehicle senso rsor cameras
is co vered, damaged or dirty, cer tain driving
and saf ety sy stems cannot function co rrectl y.
There is a risk of an accident. #
Keep the area around vehicle senso rsor
cameras clear of any obst ructions and
clean. #
Have damage tothe bumper, radiator
gr ille or stone chipping in the area of the
front and rear wind owsre paired at a
qu ali/ed specialist workshop. Pa
rticular ly,ke ep the areas around the sensors
and cameras free of dirt, ice or slush
(/ page 348). The sensors and cameras must Driving and parking
223 223

not be co
vered and the de tection ranges around
th em must be kept free. Do not at tach additional
licence plate brac kets, advertisements, stic kers,
fo ils or foils toprotect against stone chippings in
th e de tection range of the sensors and cameras.
Make sure that there are no overhanging loads
pr otru ding into the de tection range.
If th ere is damage toa bumper or thera diator
gr ille, or aTer an impact, ha vethe function of the
senso rschecked at a quali/ed specialist work-
shop. Ha vedamage or stone chipping in the area
of the cameras on the front and rear wind ows
re paired at a quali/ed specialist workshop. Ov
Ov
er
ervie
vie w of dr
w of dr iving syst
iving syst ems and dr
ems and dr iving safe
iving safety
ty
syst
syst ems
ems R
ABS (A Anti-lock B Braking S System) (/ page 225)
R BAS (BBra ke AAssist S System) (/ page 225)
R ESP ®
(EElectronic S Stability P Program)
(/ page 225)
R ESP ®
Crosswind Assist (/ page 226)
R ESP ®
trailer stabilisation (/ page 227)R
EBD (E Electronic B Brakeforc e DDistribution)
(/ page 227)
R STEER CONTROL (/ page 227)
R HOLD function (/ page 228)
R Hill Start Assist (/ page 229)
R Adaptive Brake Lights (/ page 229)
R Start-o. assist (/ page 230)
R ATTENTION ASSIST (/ page 230)
R Cruise cont rol (/ page 232)
R Limiter (/ page 232)
R Tra1c Sign Assist (/ page 250)
R Speed Limit Assist (countr y-dependent)
(/ page 249)
R Suspension with adaptive damping adjustment
(/ page 257)
Dr
Dr iving Assist iving Assist ance pack
ance package
age
The following functions are part of the Driving
Assistance Package. Cer tain functions are only
av ailable in some countries. Some functions are
also available without the Driving Assistance
Pa ckage, albeit with restric ted functionality. R
Active Distance Assist DISTRONIC
(/ page 235)
R Active Speed Limit Assist (countr y-dependent)
(/ page 239)
R Route-based speed adap tation (countr y-
dependent) (/ page 240)
R Active Brake Assist (/ page 244)
R Active Steering Assist (countr y-dependent)
(/ page 241)
R Active Emer gency Stop Assist (countr y-
dependent) (/ page 243)
R Blind Spot Assist and Active Blind Spot Assist
with exitwa rning (/ page 252)
R Active Lane Keeping Assist (/ page 255)
P
P ar
ar king P
king P ack
ackage
age
R Reversing camera (/ page 258)
R 360° Camera (/ page 260)
R Parking Assist PARKTRONIC (/ page 264)
R Active Parking Assist (/ page 268)224
224
Driving and parking