dimensions MERCEDES-BENZ B-CLASS HATCHBACK 2021 Owners Manual

3
Red guide line at a distance of appr oximately
0.3 m from there ar area
4 Mark at a dis tance of app rox. 1.0 m
% When Active Parking Assist is active, lanes 1
are displa yed in green.
The guide lines in the media display show the
distances toyour vehicle. The dis tances app ly
to road le vel.
In trailer mode, the guide lines are shown at
th e le vel of the trailer hitch.
T
T r
railer vie
ailer vie w (v
w (vehicles wit
ehicles wit h a tr
h a trailer hitc
ailer hitc h)
h)
If yo u select trailer view and no trailer is coupled
to theve hicle, thefo llowing display appears: 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 When
the electrical connection is established
between theve hicle and the trailer, the display
ch anges tothe side camera vie w.
This view supports manoeuvring procedures with
a trailer.
Side vie
Side vie w of t
w of the mirr
he mirr or camer
or camer as
as
The sides of theve hicle can be seen in this vie w. 1
Guide line of extern al vehicle dimensions with
outside mir rors folded out
2 Marker of the wheel contact points
Syst
Syst em f
em f ailure
ailure
If th e system is not ready for operation, thefo l-
lowing message appears inthe media displa y:262
262
Driving and parking

*
N
NO
OTE
TE Damage from automatic braking If one of
thefo llowing functions is switched
on, theve hicle brakes automatically in cer tain
situations:
R Active Brake Assist
R Active Distance Assist DISTRONIC
R HOLD function
R Active Parking Assist
To avoid damage totheve hicle, deactivate
th ese systems in thefo llowing or similar situa-
tions: #
during towing #
in a car wash *
N
NOOTE
TE Damage due tounsuitable car wash #
Before driving into a car wash make sure
th at the car wash is suitable forth eve hi-
cle dimensions. #
Ensu rethere is su1cient ground clear-
ance between the underbody and the
guide rails of the car wash. #
Ensure that the clearance width of the
car wash, in particular the width of the
guide rails, is su1cient. To
avo id damage toyour vehicle when using a car
wa sh, ensu rethefo llowing beforehand:
R Active Distance Assist DISTRONIC is deactiva-
te d.
R The HOLD function is switched o..
R The side windo wsand sliding sunroof are com-
ple tely closed.
R The blo werfo rth eve ntilation/heating is
switched o..
R The windsc reen wiper switch is in position 005A.
R The key is at a minimum dis tance of 3 m away
from theve hicle. Otherwise theta ilgate could
open unintentionall y.
R In automatic car washes with con veyo r sys-
te ms:
- Neutral 005Cis engaged. -
V Vehicles wit ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: If
yo uwo uld like tolea vetheve hicle while it
is being washed, make sure theke y is
located in theve hicle. The park position
005D isotherwise automatically engaged.
% If, aTer the car wash, youre mo vethewax
from the windscreen and wiper rubbers, this
will pr event smearing and reduce wiper noise.
A
A ut
ut omatic car w
omatic car w ash mode
ash mode
In car wash mode, theve hicle is prepared for driv-
ing into the automatic car wash. Car wash mode
can be activated at a speed of up to20 km/h
Ac tivate (/ page 345).
The following settings are made when car wash
mode is activated:
R The outside mir rors are folded in.
R Topreve ntthe windscreen washer system
from starting up automaticall y,thera in sensor
is deactivated.
R The rear wind owwiper is deacti vated.
R The windo wsand the sliding sunroof are
closed. 344
344
Maintenance and care

The tyre pressure loss
warning system is only an
aid. It is the driver's responsibility toset the tyre
pressure tothere commended cold tyre pressure
suitable forth e operating situation and tocheck
it.
Be sure toalso obser vethefo llowing fur ther rela-
te d subjects:
R Notes on tyre pressure (/ page 375)
R Displ aymessages about the tyres
(/ page 469)
R
R est est ar
arting t
ting t he tyr
he tyr e pr
e pressur
essur e loss w
e loss w ar
arning syst
ning syst em
em
R
R eq
eq uir
uir ements:
ements:
R The recommended tyre pressure is cor rectly
set forth ere specti veoperating status on all
wheels.
Re start the tyre pressure loss warning system in
th efo llowing situations:
R The tyre pressure has changed.
R The wheels or tyres ha vebeen changed or
ne wly /tted. On-board computer:
4 Service 5
Tyres #
Swipe down wards on Touch Control on the
leT-hand side of the steering wheel.
The Run Flat Indicator active Restart mes-
sage is shown in the displa y. #
Tobegin restart, press Touch Control on the
leT-hand side of the steering wheel.
The Tyre pressure now OK? message is
shown in the displa y. #
Select Yes. #
Tocon/rm restart, press Touch Control on the
leT-hand side of the steering wheel.
The Run Flat Indicator restarted message is
shown in the displa y.
ATer you ha vedriven for a few minutes, the
tyre pressure loss warning system monitors
th e set tyre pressures of all the tyres.
Be sure toalso pay attention tothefo llowing rela-
te dto pic:
R Notes on tyre pressure (/ page 375) Wheel c
Wheel c
hange
hange N
No
ot
tes on selecting,
es on selecting, /tting
/ttingand r
and replacing tyr
eplacing tyr es
es &
W
WARNING
ARNING Risk of accident due toincor-
re ct wheel and tyre dimensions
If wheels and tyres of the wrong size are /t ted,
th e service brakes or components in the brake
system and in the wheel suspension may be
damaged. #
Alwaysre place wheels and tyres with
th ose that ful/l the speci/cations of the
original part.
Fo r wheels, pay attention tothefo llowing:
R Designation
R Type
Fo r tyres, pay attention tothefo llowing:
R Designation
R Manufacturer
R Type Wheels and tyres
379
379

R
Only /t wheels of the same size on one axle
(leT and right).
It is only permissible to/t a di.e rent wheel
size in theev ent of a 0at tyre in order todrive
to the specialist workshop.
R Do not make any modi/cations tothe brake
system, the wheels or the tyres.
The use of shims or brake dust shields is not
permitted and may in validate theve hicle's
ge neral ope rating permit.
R V
Vehicles wit
ehicles wit h a tyr
h a tyre pr
e pressur
essur e monit
e monit or
oring sy
ing sy s-
s-
t
t em:
em: all /t tedwheels must be equipped with
functioning sensors forth e tyre pressure mon-
itoring system.
R Attemp eratures below 7 °C use winter tyres
or all-season tyres mar ked004D M+Sfor all
wheels.
Wi nter tyres pr ovide the best possible grip in
wintry road conditions.
R For M+S tyres, only use tyres with the same
tread.
R Obser vethe maximum permissible speed for
th e M+S tyres /t ted. If
th e tyre's maximum speed is below that of
th eve hicle, this must be indicated byan
appropriate label in the driver's /eld of vision.
R Run in new tyres at moderate speeds forthe
/r st 100 km.
R Replace the tyres aTer six years at the latest,
re ga rdless of wear.
R When r
When r eplacing wit eplacing wit h tyr
h tyres t
es that do no
hat do no t f
t featur
eatur e
e
r
r un-0at
un-0at c
char
har act
act er
er is
istics:
tics: vehicles with
MOExtended tyres are not equipped with a
TIREFIT kit at thefa ctor y.Equip theve hicle
with a TIREFIT kit aTer replacing with tyres
th at do not feature run-0at characteristics,
e.g. winter tyres.
% You can permanently limit the maximum
speed for driving with winter tyres
(/ page 235).
Fo r more information on wheels and tyres, con-
ta ct a quali/ed specialist workshop.
Be sure toalso obser vethefo llowing fur ther rela-
te d subjects:
R Notes on tyre pressure (/ page 375)
R Tyre pressure table (/ page 376) R
Notes on the emer gency spa rewheel
(/ page 389) N
No
ot
tes on int
es on int erc
erchanging wheels
hanging wheels &
W
WARNING
ARNING Risk of injury thro ugh di.erent
wheel sizes
Inter changing the front and rear wheels can
se verely impair the driving characteristics.
The disk brakes or wheel suspension compo-
nents may also be damaged. #
Only inter change the front and rear
wheels if the wheels and tyres ha vethe
same dimensions. Inter
changing the front and rear wheels if the
wheels or tyres ha vedi.erent dimensions can
re nder thege neral ope rating permit in valid.
The wear patterns on the front and rear wheels
di.er:
R front wheels wear more on the tyre shoulder
R rear wheels wear more in the centre of the
tyre 382
382
Wheels and tyres

#
V
Vehicles wit
ehicles wit h tyr
h tyre pr
e pressur
essur e loss w
e loss w ar
ar ning sy
ning sy s-
s-
t
t em:
em: restart the tyre pressure loss warning
system (/ page 379). #
V
Vehicles wit
ehicles wit h a tyr
h a tyre pr
e pressur
essur e monit
e monit or
oring sy
ing sy s-
s-
t
t em:
em: restart the tyre pressure monitoring sys-
te m (/ page 378). Emerg
Emerg
ency spar
ency spar e wheel
e wheel N
No
ot
tes on t
es on t he emerg
he emerg ency spar
ency spar e wheel
e wheel &
W
W ARNING
ARNING Risk of accident caused by
incor rect wheel and tyre dimensions
The wheel or tyre size and the tyre type of the
emer gency spa rewheel or spare wheel and
th e wheel tobe replaced may di.er. The emer-
ge ncy spa rewheel or spare wheel can signi/-
cantly impair driving characteristics of the
ve hicle.
To prev ent hazardous situations: #
Drive carefull y. #
Never /t more than one emer gency
spa rewheel or spare wheel that di.ers
in size. #
Only use an emer gency spa rewheel or
spare wheel brie0y. #
Do not deacti vate ESP ®
. #
Have the emer gency spa rewheel or
spare wheel of a di.erent size replaced
at the nearest quali/ed specialist work-
shop. The new wheel must ha vethe cor-
re ct dimensions. %
The de0ated emer gency spa rewheel is
secured in the emer gency spa rewheel bag in
th e load compartment and is secured tothe
adjustable load compartment 0oor in the
lo we r position.
Obser vethefo llowing no tes on removing an emer-
ge ncy spa rewheel:
R Before st owing the emer gency spa rewheel,
make sure there is no air leT in the tyre.
If necessar y,allow the air toescape. R
T
To r
o r elease air fr
elease air fr om t
om the tyr
he tyr e:
e: remo vetheva lve
cap of the tyre.
R Press down the me tal insert in theva lve using
a pointed object, e.g. a pen.
R Screw theva lve cap onto theva lve.
% V
V ehicles wit
ehicles wit h adjust
h adjustable load com
able load com par
partment
tment
0oor:
0oor: always st owthe de0ated emer gency
spa rewheel in the lo wer position on the
adjustable load compartment 0oor.
Obser vethefo llowing no tes on /tting an emer-
ge ncy spa rewheel:
R The maximum permissible speed with an
emer gency spa rewheel /tted is 80 km/h.
R Do not /t the emer gency spa rewheel with
snow chains.
R Replace the emer gency spa rewheel aTer six
ye ars at the latest, rega rdless of wear.
R Check the tyre pressure of the emer gency
spa rewheel /tted. Cor rect the pressure as
necessar y.
% The speci/ed tyre pressure is stated on the
label of the emer gency spa rewheel. Wheels and tyres
389
389

*
N
N O
OTE
TE Damage totheex terior lighting due
to unsuitable windscreen washer 0uid Unsuitable windscreen
washer 0uids may
damage the plastic sur face of theex terior
lighting. #
Only use windscreen washer 0uids which
are also suitable for use on plastic sur fa-
ces, e.g. MB SummerFit or MB WinterFit. *
N
NO OTE
TE Bloc ked spr aynozzles caused by
mixing windscreen washer 0uids #
Do not mix MB SummerFit and MB Win-
te rFit with other windscreen washer 0u-
ids. Do not use distilled or de-ionised
water. Other-
wise, the /ll le vel sensor may be triggered er rone-
ous ly.
Re commended windscreen washer 0uid:
R abo vefreezing point: e.g. MB SummerFit
R below freezing point: e.g. MB WinterFit Fo
rth e cor rect mixing ratio, referto the informa-
tion on the antifreeze container.
Mix washer 0uid with windscreen washer 0uid all
ye ar round. V
V
ehicle data
ehicle data V
V ehicle dimensions
ehicle dimensions The heights speci/ed may
vary as a result of the
fo llowing factors:
R tyres
R load
R condition of the suspension
R optional equipment 1
Vehicle height with tailgate open
2 Height of the opened tailgate
N
No ot f
t f or plug-in h
or plug-in h ybr
ybrid:
id: Te
ch nical data
405
405

Open t
Open t
ailg
ailgat
ate dimensions
e dimensions Model
Model
1
1V
Vehicle
ehicle
height wit
height wit h
h
t
t ailg
ailg at
ate open
e open 2
2
Height of
Height of
t
t he opened
he opened
t
tailg
ailg ate
ate
B 220 d
B 220 d
4MATIC
B 250
B 250
4MATIC 2070 mm 1889 mm
All other
models 2065 mm 1884 mmV V
ehicle dimensions
ehicle dimensions All models
All models
Ve
hicle lengt h4 419 mm
Ve hicle width including out-
side mir rors 2020 mm All models All models
Ve
hicle width excluding out-
side mir rors 1796 mm
Wheelbase2 729 mm V V
ehicle height
ehicle height Model
V
Model Vehicle height
ehicle height
B 220 d
B 220 d 4MATIC
B 250
B 250 4MATIC 1567 mm
All other model s1 562 mm Dimensions wit Dimensions wit
h t
h tailg
ailg at
ate open (plug-in h
e open (plug-in h ybr
ybrid)
id) Model
Model
1
1V
Vehicle
ehicle
height wit
height wit h
h
t
t ailg
ailg at
ate open
e open 2
2
Height of
Height of
t
t he opened
he opened
t
tailg
ailg ate
ate
B 250 e2 075 mm 1905 mm V
V
ehicle dimensions (plug-in h
ehicle dimensions (plug-in h ybr
ybr id)
id) B 250
eV
B 250 eV ehicle dimen-
ehicle dimen-
sions
sions
Ve hicle lengt h4 419 mm
Ve hicle width including out-
side mir rors 2020 mm
Ve hicle width excluding out-
side mir rors 1796 mm
Ve hicle height 1574 mm
Wheelbase 2729 mm W
W
eights and loads
eights and loads Please obser
vethefo llowing no tesfo rth e speci-
/ed vehicle data:
R Items of optional equipment increase the unla-
den weight and reduce the pa yload.
R Vehicle-speci/c weight information can be
fo und on theve hicle identi/cation plate
(/ page 394). 406
406
Te
ch nical data

B 250 e
B 250 e
Char
getime – mode 2
with 3.7 kW charging capacity App
rox. 3 h
15 min
Char getime – mode 2
with 2.3 kW charging capacity App
rox. 5 h
30 min
Char getime – mode 2
with 1.8 kW charging capacity App
rox. 7 h
30 min Charging times – modes 2 and 3 apply
toAC
ch arging from 10% to100% of the usable energy
content. Charging time – mode 4 applies toDC
ch arging from 10% to80% of the usable energy
content.
The time take nto charge the battery depends on
th ech arge status of the batter y,the ambient tem-
perature and thech arging capacity of the batter y.
The charging capacit y,in turn, depends on the
supply voltage, the cur rent intensity and the type
of po wer suppl y.
The nominal voltage range foryo ur vehicle can be
fo und on the information label in the soc ket co ver
( / page 198). T T
r
railer hitch
ailer hitch Gener
Gener
al not
al notes on t
es on t he tr
he trailer hitch
ailer hitch Modi/cations
tothe engine cooling system may
be necessar y,depending on theve hicle model.
The retro/tting of a trailer hitch is on lypermissi-
ble if a towing capacity is speci/ed in your vehicle
documents.
Fu rther information can be obtained at a quali/ed
specialist workshop. Mounting dimensions of t Mounting dimensions of t
he tr
he tr ailer hitch
ailer hitch 1
Fastening points
2 Overhang dimension
3 Rear axle cent reline 408
408
Te
ch nical data

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

T
T
elephon
elephon y oper
y operating modes
ating modes
Blue tooth ®
telephony............................. 313
T
T em
em per
per ature
ature
Setting theve hicle interior temp era-
ture....................................................... 157
Themes
Themes
Fastening.............................................. .296
Thr
Thr ough-loading f
ough-loading f eature
eature
see Load compartment
see Seat
T
T ie-do
ie-do wney
wn eyes
es.............................................. 128
TIREFIT kit
TIREFIT kit
Declaration of conformity......................... 37
Storage location............................ .355, 356
Using..................................................... 356
T
T o switc o switc h on t
h on the ignition
he ignition
see Vehicle
T
T ongue w
ongue w eight
eight.............................................. 410
T
T ool
ool
see Vehicle tool kit
T
T op Tet
op Tether
her...................................................... 72 T
T opping up
opping up
Topping up AdBlue ®
.............................. .196
T
T ouc
ouc h Contr
h Contr ol
ol
On-board computer................................ 282
Operating.............................................. 290
T
T ouc
ouc hpad
hpad
Operating.............................................. 290
T
T ouc
ouc hscr
hscr een
een
Operating.............................................. 290
Tow
Tow -awa
-a wa y pr ot
y pr otection
ection
Fu nction................................................ 103
Priming/deactivating............................. 104
Tow
Tow -bar syst
-bar syst em
em............................................ 279
Tow
Tow -st
-star
arting
ting................................................. 370
To
To wing away
wing away................................................. 367
To
To wing eye
wing eye
Fi tting.................................................... 370
St orage location..................................... 370
To
To wing met
wing met hods
hods................................... 365, 366
Tr
Tr a1c
a1c inf
infor
ormation
mation
Switching on the displa y......................... 308 T
T
r
ra1c
a1c Sign Assist
Sign Assist
Fu nction/no tes...................................... 250
Setting................................................... 252
System limits......................................... 250
Tr
Tr ailer hitch
ailer hitch
Axle load................................................ 410
Bic ycle rack ........................................... 277
Care...................................................... 348
Coupling up/uncoupling a trailer............ 275
Fa stening points.................................... 408
Fo lding the ball neck out/in................... 274
General no tes....................................... .408
Mounting dimensions............................. 408
No tes..................................................... 273
Overhang dimension.............................. 408
Soc ket................................................... 275
To ngue weight........................................ 410
To wing capacity.................................... .409
Tr
Tr ailer oper ailer oper ation
ation
Ac tive Blind Spot Assist.......................... 254
Ac tive Lane Keeping Assist..................... 255
Bicycle rack ........................................... 277
Coupling up/uncoupling a trailer............ 275
Fo lding the ball neck out/in................... 274
No tes..................................................... 273 Index
525
525