ESP MERCEDES-BENZ B-CLASS HATCHBACK 2021 Repair Manual

R
A driving sa fety system inter venes, e.g. ESP ®
or Active Brake Assist.
R ESP ®
is deactivated.
R A loss of tyre pressure or a defective tyre is
de tected.
R You are driving with a trailer and the electrical
connection tothe trailer hitch has been cor-
re ctly es tablished.
A A ctiv ctiv ating/deactiv
ating/deactiv ating Blind Spo
ating Blind Spo t Assis
t Assist ort or
A
A ctiv
ctiv e Blind Spo
e Blind Spo t Assist
t Assist
Multimedia system:
4 © 5
Settings 5
Assistance #
Activate or deactivate Blind Spot Assist.
or #
Activate or deactivate Act. Blind Spot Assist .A
A
ctiv
ctiv e Lane K
e Lane K eeping Assist
eeping Assist F
F
unction of A
unction of A ctiv
ctive Lane K
e Lane K eeping Assist
eeping Assist
Ac tive Lane Keeping Assist monitors the area in
front of your vehicle bymeans of the multifunction
camera (/ page 223). It ser vesto protect you
against unintentionally leaving your lane. You will be
warned byvibration pulses in the steering
wheel and guided bya course-co rrecting brake
application back into your lane.
Ac tive Lane Keeping Assist is available in the
speed range between 60 km/h and 200 km/h.
Ac tive Lane Keeping Assist can neither reduce the
ri sk of an accident if youfa ilto adapt your driving
style nor override the la wsof ph ysics. It cannot
ta ke into account road, weather or tra1c condi-
tions. Active Lane Keeping Assist is only an aid.
Yo u are responsible for maintaining a safe dis-
ta nce totheve hicle in front, forve hicle speed, for
braking in good time and for st aying in lane.
The status of Active Lane Keeping Assist is dis-
pla yed in the on-board computer:
R 00B0 (gre en): Active Lane Keeping Assist is
active and operating.
R 00B0 (gre y): Active Lane Keeping Assist is
active but not operating.
R ·: Active Lane Keeping Assist is deactiva-
te d or there is a malfunction. If a lane-cor
recting brake application occurs, dis-
play 1appears in the Instrument Displa y.
The system does not app lythe brake if you acti-
va te the turn signal indicator.
V
V ehicles wit
ehicles wit h Dr
h Driving Assist
iving Assist ance P
ance Pack
ackag
age:
e: ifthe
system de tects an obs tacle, such as ano ther vehi-
cle in the adjacent lane, it will apply the brake
re ga rdless of the turn signal indicator.
Yo u are warned byvibrations in the steering wheel
in thefo llowing circumstances:
R Active Lane Keeping Assist de tects a lane
marking.
R A front wheel drives overth is lane marking. Driving and parking
255
255

Conditions f
Conditions f
or a cour
or a course-corr
se-correcting br
ecting br ak
ake applica-
e applica-
tion (v
tion (v ehicles wit
ehicles wit hout Dr
hout Driving Assist
iving Assist ance P
ance Pack
ackag
age)
e)
Depending on the setting, a course-cor recting
brake application occurs in thefo llowing situa-
tions (/ page 257).
% The availability of this setting is dependent on
th e countr y.Ifth e function is activated in
countries in which this setting is no not
tav ailable,
a lane-cor recting brake application is initiated
in thefo llowing situations:
Lane markings weredetected on bo thsides of
th e lane. The front wheel drives over a contin-
uous lane marking.
Standard setting
R A lane marking and the edge of a /rm road
sur face weredetected. The front wheel drives
ove r a lane marking on the edge of the /rm
ro ad sur face.
R A lane marking and an oncoming vehicle were
de tected. The front wheel drives overth e lane
marking. Sensitive
setting
R All situations described under theStandard
setting.
R A continuous lane marking was de tected and
driven over with the front wheel.
% A brake application may be inter rupted at any
time if you steer slightly in the opposite direc-
tion.
Conditions f
Conditions f or a cour
or a course-corr
se-correcting br
ecting br ak
ake applica-
e applica-
tion (v
tion (v ehicles wit
ehicles wit h Dr
h Driving Assist
iving Assist ance P
ance Pack
ackag
age)
e)
Depending on the setting, a course-cor recting
brake application occurs in thefo llowing situa-
tions (/ page 257).
% The availability of this setting is dependent on
th e countr y.Ifth e function is activated in
countries in which this setting is no not
tav ailable,
a lane-cor recting brake application is initiated
in all situations described under Sensitive.
Standard setting
R A lane marking and an approaching vehicle, an
ove rtaking vehicle or vehicles driving parallel
to your vehicle weredetected in the adjacent lane. The front wheel drives
overth e lane
marking.
Sensitive setting
R The situations described under theStandard
setting.
R A continuous lane marking was de tected and
driven over with the front wheel.
% A brake application may be inter rupted at any
time if you steer slightly in the opposite direc-
tion.
Syst
Syst em limits
em limits
No lane-cor recting brake application occurs in the
fo llowing situations:
R You clear lyand actively steer, brake or accel-
erate.
R If a driving saf ety sy stem inter venes, such as
ESP ®
,Ac tive Brake Assist or Active Blind Spot
Assist.
R You ha veadop ted a sporty driving style with
high cornering speeds or high rates of acceler-
ation.
R When ESP ®
is deacti vated. 256
256
Driving and parking

R
the drive prog ram selected
R the driving style
The drive prog ram can be adjus ted using the
DY NAMIC SELECT switch. R
R
e
ev
ver
er sing came ra
sing camera F
F
unction of t
unction of t herev
he rever
ersing camera
sing camera
If yo u ha veactivated the function in the multime-
dia system (/ page 263),the image from the
re ve rsing camera is displa yed in the media display
when reve rsege ar is selected. Dynamic guide
lines show the path theve hicle will take with the
cur rent steering angle. This helps youto orient
yo urself and toavo id obstacles when reve rsing.
The reve rsing camera is only an aid. It is not a
substitute foryo ur attention tothe sur roundings.
The responsibility for safe manoeuvring and par k-
ing remains with you. Make sure that there are no
persons, animals or objects etc., in the manoeu-
vring area while manoeuvring and parking.
% You can open the co ver of there ve rsing cam-
era manually (/ page 263). The guide lines in
the media display show the dis-
ta nces toyour vehicle. The dis tances displa yed
only apply toroad le vel.
Depending on theve hicle equipment, you can
select from thefo llowing vie ws:
R Normal view
R Wide-angle view
R Trailer view
The area behind theve hicle is displ ayed as a mir-
ro r image, as in the inside rearview mir ror.
V
V ehicles wit
ehicles wit hout P
hout Par
arking Assis
king Assist P t PARK
ARK TR
TRONIC
ONIC
The following camera vie wsare available in the
multimedia system: Normal view
1 Yellow guide line, vehicle width (driven sur-
fa ce) depending on the cur rent steering angle
(dynamic)
2 Yellow guide line at a distance of appr ox-
imately 1.0 m from there ar area
3 Yellow lanes marking the course the tyres will
ta ke with the cur rent steering angle (dynamic)
4 Bumper
5 Red guide line at a distance of appr oximately
0.3 m from there ar area 258
258
Driving and parking

Tr
ailer view (vehicles with a trailer hitch)
1 Yellow guide line, locating aid
2 Red guide line at a distance of appr oximately
0.3 m from the ball head of the trailer hitch
3 Ball head of the trailer hitch
Syst
Syst em f
em f ailure
ailure
If th ere ve rsing camera is not operational, thefo l-
lowing display appears in the multimedia system. Syst
Syst
em limits
em limits
The reve rsing camera will not function or will only
partially function in thefo llowing situations:
R The tailgate is open.
R There is heavy rain, snow or fog.
R The light conditions are poo r,e.g. at night.
R Cameras, or vehicle components in which the
cameras are /tted, are damaged, dirty or co v-
ered. Obser vethe information on vehicle sen-
sors and cameras (/ page 223).
% Do not use there ve rsing camera in these
types of situations. You could otherwise injure
ot hers or collide with objects when parking
th eve hicle.
% The cont rast of the display may be impaired
by direct sunlight or by other light sources,
e.g. when driving out of a garage . In this case,
pay particular attention.
% Have the display repaired or replaced if, for
ex ample, pixel er rors considerably restrict its
use. 360° Came
ra
360° Camera F
F
unction of t
unction of t he 360° Camera
he 360° Camera
The 360° Camera is a system that consists of
fo ur cameras. The cameras co verth e immediate
ve hicle sur roundings. The system assists you
when you are parking or at exits with reduced visi-
bility, forex ample.
The vie wsofthe 360° Camera are alw aysav aila-
ble when driving forw ards up toa speed of
appr ox. 16 km/h and when reve rsing.
The 360° Camera is only an aid and may show a
distor ted view of obstacles, show them incor rectly
or not show them at all. It is not a substitute for
yo ur attention tothe sur roundings. The responsi-
bility for safe manoeuvring and parking remains
with you. Make sure that there are no persons,
animals or objects etc., in the manoeuvring area
while manoeuvring and parking.
The system evaluates images from thefo llowing
cameras:
R Reversing camera
R Front camera
R Two side cameras in the outside mir rors 260 260
Driving and parking

Syst
Syst
em limits
em limits
The 360° Came rawill not function or will only
partial lyfunction in thefo llowing situations:
R The doors are open.
R The outside mir rors are folded in.
R The tailgate is open.
R There is heavy rain, snow or fog.
R The light conditions are poo r,e.g. at night.
R Cameras, or vehicle components in which the
cameras are /tted, are damaged, dirty or co v-
ered. Obser vethe information on vehicle sen-
sors and cameras (/ page 223).
% Do not use the 360° Camera under such cir-
cumstances. You could otherwise injure oth-
ers or collide with objects when parking the
ve hicle.
Fo rte ch nical reasons, the standard height of the
ve hicle may be altered if theve hicle is car rying a heavy load and can
result in inaccu racies in the
guide lines and in the display of thege nerated
ima ges.
% The cont rast of the display may be impaired
by abrupt, direct sunlight or by other light
sources, e.g. when driving out of a garage . In
th is case, pay particular attention.
% Have the display repaired or replaced if, for
ex ample, pixel er rors considerably restrict its
use.
See the no tes on cleaning the 360° Camera
(/ page 348).
Calling up t
Calling up t he vie
he view of t
w of the 360° Camer
he 360° Camer a using
a using
rev
rev er
erse g
se g ear
ear
R
R eq
eq uir
uir ements:
ements:
R The Auto reversing camera function is activa-
te d in the multimedia system (/ page 263). #
Engage reve rsege ar. #
Select the desired view in the multimedia sys-
te m (/ page 260). #
If, aTer shiTing toreve rsege ar, the image of
th ere ve rsing camera is not shown: switch o. th
eve hicle, press and hold thec button,
switch on theve hicle and engage reve rsege ar
again.
Switc
Switc hingrev
hing rever
ersing camer
sing camer a aut
a automatic mode
omatic mode
on/o.
on/o.
The reve rsing camera is only an aid. It is not a
substitute foryo ur attention tothe sur roundings.
The responsibility for safe manoeuvring and par k-
ing remains with you. Make sure that no persons,
animals or objects etc. are in the manoeuvring
ra nge. Pay attention toyour sur roundings and be
re ady tobrake at all times.
Multimedia system: 4 © 5
Settings 5
Assistance
5 Camera & parking #
Switch Auto reversing camera on or o..
Opening t Opening t he camer
he camera cov
a cover of t
er of t herev
he rever
ersing cam-
sing cam-
era
era
Multimedia system:
4 © 5
Settings 5
Assistance
5 Camera & parking #
Select Open camera cover. Driving and parking
263 263

%
The camera co ver closes automatically aTer
some time or aTer an ignition cycle. P
P
ar
ar king Assis
king Assist P t PARK
ARK TR
TRONIC
ONIC F
F
unction of P
unction of P ar
arking Assis
king Assist P t PARK
ARK TR
TRONIC
ONIC
Pa rking Assist PARKTRONIC is an electronic par k-
ing assistance system with ultrasound. It monitors
th e area around your vehicle using multiple sen-
sors on the front bumper and on there ar bumper.
Pa rking Assist PARKTRONIC show syo uth e dis-
ta nce between your vehicle and a de tected obs ta-
cle visual lyand audib ly.
Pa rking Assist PARKTRONIC is only an aid. It is
not a substitute foryo ur attention tothe sur round-
ings. The responsibility for safe manoeuvring and
parking remains with you. Make sure that there
are no persons, animals or objects in the manoeu-
vring area while manoeuvring and parking in/exit-
ing parking spaces.
In the standard setting, an intermittent warning
to ne sounds from a distance of app roximately
0.3 m toan obs tacle in front and appr oximately
1.0 m toan obs tacle behind. A continuous warn-
ing tone sounds from a distance of app roximately 0.2 m. Using
theWarn early all-round setting in
th e multimedia system, thewa rning tones for
front and side impact pro tection can be set to
sound at a greater distance of appr oximately
1.0 m in front and 0.6 m on the sides
(/ page 267).
% The Warn early all-round setting is always
active in there ar of theve hicle.
P
P ar ar king Assis
king Assis t P
t PARK
ARK TR
TRONIC displa
ONIC displa y in t
y in the multi-
he multi-
media syst
media syst em
em Ve
hicles without 360° Camera Ve
hicles with 360° Camera
If yo u ha venot selected theCamera & parking
menu and an obstacle is de tected in the path of
th eve hicle, a pop-up wind ow forPa rking Assist
PA RKTRONIC 1appears in the multimedia sys-
te m at speeds below 10 km/h.
The colour of the individual segments of thewa rn-
ing display is based on the distance tothe de tec-
te d obstacle:
R Y
Y ello
ello w segments:
w segments: obstacles at a distance
between appr ox. 0.6 m and 1.0 m
R Or
Orang
ang e segments:
e segments: obstacles at a distance
between appro x. 0.3 m and 0.6 m264
264
Driving and parking

when
Parking Assist PARKTRONIC sounds a warn-
ing tone. #
Select Audio fadeout during warning tones .#
Switch the function on or o.. A
A
ctiv
ctiv e P
e Par
arking Assist
king Assist F
F
unction of A
unction of A ctiv
ctive P
e Par
arking Assist
king Assist
Ac tive Parking Assist is an electronic parking
assistance system, which uses ultrasound with
th e assistance of there ve rsing camera and 360°
Camera. When you are driving forw ards up to
appr oximately 35 km/h, the system automatically
measures parking spaces on bo thsides of the
ve hicle.
Ac tive Parking Assist o.ers thefo llowing func-
tions:
R Country
Country -dependent
-dependent: :parking in parking spaces
parallel tothero ad
R Parking in parking spaces perpendicular tothe
ro ad (optionally either forw ards or reve rse)
R Exiting parking spaces if you ha vepar ked
using Active Parking Assist As soon as all
requ irements are met for sear ching
fo r parking spaces, theÇ display appears in
th e Instrument Displa y.
When Active Parking Assist has de tected parking
spaces, theÈ display appears in the Instru-
ment Displa y.The ar rows show on which side of
th ero ad de tected parking spaces are located.
They are then shown in the media displa y.
The parking space can be selected as desired.
Depending on the location of the parking space,
th e parking direction (rear wards or forw ards) can
also be selected as desired.
When Active Parking Assist is activated, the turn
signal indicators are activated based on the calcu-
lated path of your vehicle.
When you are entering or exiting a parking space,
th e procedure is assisted byacceleration, braking,
steering and gear changes.
V
V ehicles wit ehicles wit h manual tr
h manual tr ansmission:
ansmission: the active
brake application and automatic gear change are
only available on vehicles with automatic trans-
mission. You must therefore brake theve hicle and
ch ange gear yourself when parking or exiting a
parking space. Ac
tive Parking Assist is only an aid. It is not a sub-
stitute foryo ur attention tothe sur roundings. The
re sponsibility for safe manoeuvring and parking
re mains with you. Make sure that no persons, ani-
mals or objects etc. are in the manoeuvring
ra nge.
Ac tive Parking Assist will be cancelled in thefo l-
lowing situations:
R Parking Assist PARKTRONIC is deactivated.
R You begin steering.
R You apply the parking brake.
R V
V ehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: you
engage transmission position 005D.
R ESP ®
inter venes.
R You open the doors or theta ilgate while driv-
ing.
Syst
Syst em limits
em limits
If th eex terior lighting is malfunctioning, Active
Pa rking Assist is not available.
Objects located abo veor below the de tection
ra nge of the sensors, e.g. overhanging loads,
ov erhangs or loading ramp s of goods vehicles, or
th e borders of parking spaces, are not de tected 268
268
Driving and parking

The media display sh
owsth e view of Active Park-
ing Assist. Area 2displa ysdetected parking
spaces 4and vehicle path 3.
% Vehicle path 3shown on the media display
may di.er from the actual vehicle path. #
If a parking space is displ ayed: stop theve hi-
cle. #
Select desired parking space 4and con/rm. #
If necessar y,select the parking direction (for-
wa rds or reve rse), and con/ rm.
Ve hicle path 3is shown, depending on
selected parking space 4and the parking
direction. %
The turn signal indicator is switched on auto-
matically when the parking procedure begins.
Yo u are responsible for selecting the turn signal
indicator in accordance with the tra1c condi-
tions. If necessar y,select the turn signal indicator
accordingl y. &
W
WARNI NG
ARNI NGRisk of accident due tovehicle
swinging out while parking or pulling out
of a parking space
While parking or exiting a parking space, the
ve hicle swings out and can drive onto areas of
th e oncoming lane.
This could cause youto collide with objects or
ot her road users. #
Pay attention toobjects and other road
users. #
Where necessar y,stop theve hicle or
cancel the parking procedure with Active
Pa rking Assist. #
If,forex ample, thePlease engage reverse
gear message appears in the media displa y: select
the cor responding transmission posi-
tion.
V V ehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: the
ve hicle drives into the selected parking space.
% During the parking procedure with Active
Pa rking Assist, the lane markings are dis-
pla yed in green in the camera image. #
V
Vehicles wit
ehicles wit h manual tr
h manual tr ansmission:
ansmission: stop as
soon as Parking Assist PARKTRONIC sounds
th e continuous warning tone, if not before.
Depending on the message or as requ ired,
engage forw ard or reve rsege ar.
On completion of the parking procedure, the
Ø Parking Assist finished, take control of
vehicle display message appears. Further
manoeuvring may still be necessar y. #
ATer completion of the parking procedure,
safeguard theve hicle against rolling away.
When requ ired bylegal requ irements or local
conditions: turn the wheels towa rdsth eke rb. 270
270
Driving and parking

%
You can stop theve hicle and change the
transmission position during the parking pro-
cedure. The system then calculates a new
ve hicle path. If no new vehicle path is availa-
ble, the system can change the transmission
position again or cancel the parking proce-
dure.
Exiting a par
Exiting a par king space wit
king space wit h A
h Activ
ctiv e P
e Par
arking Assist
king Assist
R
R eq
eq uir
uir ements:
ements:
R The vehicle has been par ked with Active Park-
ing Assist.
Please no tethat you are responsible forth eve hi-
cle and sur roundings during the entire parking
procedure. #
Start theve hicle. #
Press but ton1.
The media display sh owsth e view of Active
Pa rking Assist. #
Ifth eve hicle has been par ked perpendicular
to the direction of tr avel: in area 2, select
direction of tr avel 3 Left orRight.
% The vehicle path shown on the media display
may di.er from the actual vehicle path. #
Con/rm direction of exit3 todrive out of the
parking space.
% The turn signal indicator is switched on auto-
matically when theex iting procedure begins.
Yo u are responsible for selecting the turn signal
indicator in accordance with the tra1c condi-
tions. If necessar y,select the turn signal indicator
accordingl y. Driving and parking
271
271

&
W
WARNI NG
ARNI NGRisk of accident due tovehicle
swinging out while parking or pulling out
of a parking space
While parking or exiting a parking space, the
ve hicle swings out and can drive onto areas of
th e oncoming lane.
This could cause youto collide with objects or
ot her road users. #
Pay attention toobjects and other road
users. #
Where necessar y,stop theve hicle or
cancel the parking procedure with Active
Pa rking Assist. #
If,forex ample, thePlease engage forward
gear message appears in the media displa y:
select the cor responding transmission posi-
tion.
The vehicle mo ves out of the parking space.
The turn signal indicator is switched o. auto-
maticall y.
ATer the parking space has been exited, a warn-
ing tone and theØ Parking Assist finished, take control of vehicle
message prompt youto
ta ke cont rol of theve hicle.
The vehicle is not automatically braked and can
ro llawa y.Yo u ha vetoaccelerate, brake, steer and
ch ange gear yourself again. Manoeuvr Manoeuvr
ing assist
ing assistant
ant F
F
unction of Dr
unction of Dr iv
ive Awa
e Away Assi st
y Assi st
% Drive Away Assist is only available forve hicles
with automatic transmission.
Drive Away Assist can reduce the se verity of an
impact when pulling away.If an obs tacle is de tec-
te d in the direction of tr avel, theve hicle's speed
is brie0y reduced toappr ox. 2 km/h. If a critical
situation is de tected, theÉ symbol appears in
th e media displa y.
Drive Away Assist can be deactivated or activated
in theManoeuvring assistance menu
(/ page 273).
% You can cancel an inter vention byDrive Away
Assist at any time bydeactivating Parking
Assist PARKTRONIC (/ page 267). &
W
WARNI NG
ARNI NGRisk of accident caused bylimi-
te d de tection per form ance of Drive Away
Assist
Drive Away Assist cannot alw ays clear lyiden-
tify objects and tra1c situations. #
Always pay careful attention tothe tra1c
situation; do not relyon Drive Away
Assist alone. #
Be prepa redto brake or swer veas nec-
essar y,prov ided the tra1c situation per-
mits and that it is safe totake evasive
action. Drive
Away Assist is only an aid. It is not a substi-
tute foryo ur attention tothe sur roundings. The
re sponsibility for safe manoeuvring and parking
re mains with you. Make sure that no persons, ani-
mals or objects etc. are in the manoeuvring
ra nge.
A risk of collision may occur in thefo llowing situa-
tions, forex ample:
R Ifth e accelerator and brake pedals are inter-
ch anged. 272
272
Driving and parking