gear MERCEDES-BENZ B-CLASS HATCHBACK 2021 Owners Manual

1
Steering wheel gearshiT paddles →
189
2 Combination switch →
140
3 Instrument displ ay →
281
4 DIRECT SELECT le ver →
187
5 ü Start/stop but ton →
169
00D6 ECO start/s top function →
177
6 Media display →
288
7 Climate control systems →
158
8 002F Hazard warning light system →
141
9 PASSENGER AIR BAG indicator la mps→
57
A Glovecompartment →
121
B Stow age compartment →
121
C Cup holder
D 0063 Controller forvo lume and switching
sound on/o. →
288
00D0 Switches the MBUX multimedia system
on/o. →
288 E
z Calls up navigation →
290
F | Calls up radio or media →
290
G 002B Calls up thete lephone →
290
H ß Calls up favo urites →
290
I y Calls up vehicle functions →
290
J c Active Parking Assist →
269
K DYNAMIC SELECT switch →
183
L Touchpad →
290
M Control panel forth e MBUX multimedia system →
282
N Adjusts the steering wheel →
114
O ý Switches the steering wheel heater
on/o. →
115
P Control panel:
On-board computer →
282
Cruise control or variable limi ter →
233
I Active Distance Assist DISTRONIC →
237
Q Diagnostics connection →
38 At
a glance – Cockpit
7
7

Pr
ot
Pr otection of t
ection of t he en
he envir
vironment
onment
+ ENVIR
ENVIR
ONMENT
ONMENT AL NO
AL NOTE
TE Environmental
damage due tooperating conditions and
personal driving st yleThe pollutant emission of
theve hicle is
directly related tothewa yyo u operate the
ve hicle.
Operate your vehicle in an environmentally
re sponsible manner tohelp pr otect the envi-
ro nment. Please obser vethefo llowing recom-
mendations on operating conditions and per-
sonal driving st yle.
Oper
Oper ating conditions:
ating conditions: #
Make sure that the tyre pressure is cor-
re ct. #
Do not car ryany unnecessary weight
(e.g. roof luggage rack s once you no lon-
ge r need them). #
Adhere tothe service inter vals.
A regula rly serviced vehicle will cont rib-
ute toenvironmental pr otection. #
Always ha vemaintenance workcar ried
out at a quali/ed specialist workshop.
P
P er
er sonal dr
sonal dr iving s
iving stytyle:
le: #
Do not depress the accelerator pedal
when starting the engine. #
Do not warm uptheve hicle while sta-
tionar y. #
Drive carefully and maintain a suitable
distance from theve hicle in front. #
Avoid frequent, sudden acceleration and
braking. #
Change gear in good time and use each
ge ar only up to00C3 of its maximum
engine speed. #
Switch o. theve hicle in stationary traf-
fi c, e.g. byusing the ECO start/s top
function. #
Drive in a fuel-e1cient manner. Obse rve
th e ECO display for an economical driv-
ing style. Plug-in h Plug-in h
ybr
ybrid
id
+ ENVIR
ENVIR
ONMENT
ONMENT AL NO
AL NOTE
TEEnvironmental
pollution caused byirre sponsible disposal
of the high-voltage battery A high-voltage battery contains materials
which are harmful
tothe environment. #
Dispose of faulty high-voltage batteries
at a quali/ed specialist workshop. T T
ak
ak e-bac
e-bac k of end-of-lif
k of end-of-lif e v
e vehicles
ehicles
EU countr EU countr ies only:
ies onl y:
Mercedes-Benz will take back your end-of-life
ve hicle for environment-fri endly disposal in
accordance with the European Union (EU) End-of-
Life Vehicles Directi ve.
A network of vehicle take -back points and dis-
mantlers has been established foryo uto return
yo ur vehicle. You can lea veit at any of these
points free of charge . This makes an impor tant
cont ribution toclosing there cycling circle and
conserving resources. 24 24
Gene
ral no tes

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

Manuall
Manuall
y se
y setting r
tting r ecuper
ecuper ativ
ative deceler
e deceler ation
ation
% IntheÎ drive prog ram, you can use the
stee ring wheel gearshiT paddles tomanually
adjust the intensity of recuperation in overrun
mode. %
When theve hicle is star ted again or transmis-
sion position 005Bis engaged again, the stand-
ard setting is automatically set.
The following recuperation le vels are available:
R 005B0058 Intelligent, anticipa tory recuperation
with ECO Assist (standard setting)
(/ page 179)
R 005B0064 Norecuperation: theve hicle rolls freely R
005B Normal recuperation
R 005B0058 Increased recuperation; st rong deceler-
ation in overrun mode, e.g. for driving on
downhill gradients
R 005B00580058 Maximum recuperation: maximum
decele ration in overrun mode #
T
To incr
o incr ease r
ease r ecuper
ecuper ation:
ation:brie0y pull gearshiT
paddle 1. #
T
To r
o r educe r
educe r ecuper
ecuperation:
ation:brie0y pull gearshiT
paddle 2. #
S
St
tandar
andar d se
d setting:
tting: pull and hold gearshiT pad-
dle 1 or2 or engage transmission position
005B again. The Instrument Displ
aysho wscurrently set recu-
peration le vel1, forex ample, 005B0058. Eco Assis
Eco Assis
t function (plug-in h
t function (plug-in h ybr
ybrid)
id) %
The following function is countr y-dependent
and available only in conjunction with an inte-
gr ated hard drive navigation system.
ECO Assist is active only in drive prog rams A,
Î, Ïand;, and only in transmission
positions 005Bor005B0058. Perm anent manual gear-
shiTing 0063must be switched o. (/ page 189).
ECO Assist anal yses data forth eve hicle's expec-
te dro ute. This allo ws the system tooptimally
adjust the driving style forth ero ute ahead, sa ve
fuel and recuperate.
ECO Assist is displa yed on theAssistance
menu(/ page 282). Driving and parking
179
179

Displa
Displa
ying v
ying vehicle data
ehicle data Multimedia system:
4 © 5
Info #
Select Vehicle.
The vehicle data is displ ayed. Displa
Displa
ying engine data
ying engine data Multimedia system:
4 © 5
Info #
Select Engine.
The engine data is displa yed.
% The actual (maximum) values that can be ach-
ie ve dfo r engine output and engine torque
may deviate from the certi/ed values within
th e count ry-speci/c guidelines for permissible
to lerances (basis: UN-ECE No. 85 or count ry-
speci/c guidelines).
In0uencing variables that can in0uence this
are, forex ample:
R Sea le vel
R Fuelqu ality R
Outside temp erature
R Operating temp erature of the engine
% The values displa yed ser veonly as orienta-
tion. The values for engine output and engine
to rque shown on the media display may devi-
ate from the actual values. Calling up t
Calling up t
he fuel consump
he fuel consump tion indicat
tion indicator
or Multimedia system:
4 © 5
Info #
Select Consumption.
The cur rent and average fuel consum ption is
displa yed. Manual tr
Manual tr
ansmission
ansmission Oper
Oper
ating t
ating t he
heg
gear
ear shiT
shiT lev
lever
er &
W
WARNING
ARNING Risk of accident and inju rydue
to leaving children unattended in theve hi-
cle
If ch ildren are leT unattended in theve hicle,
th ey could, in particular:
R open doors, thereby endangering other
persons or road users.
R get out and be struck byoncoming tra1c.
R operate vehicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion by,fo rex ample:
R releasing the parking brake.
R changing the transmission position.
R starting theve hicle. #
Never lea vechildren unattended in the
ve hicle. Driving and parking
185
185

#
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. #
Keep theve hicle key out of there ach of
ch ildren. *
N
NOOTE
TE Damage tothe engine and trans-
mission byshiTing toage ar that is too
low #
When changing between gears 004Band
004C push thege arshiT le verto theright. #
Do not shiT down at high speeds. *
N
NOOTE
TE Damage tothe coupling due to
improper use Holding
theve hicle on inclines with a slipping
coupling can damage it. #
Do not allow the coupling toslip in order
to hold theve hicle on inclines. *
N
NOOTE
TE Damage tothe transmission by
shiTing toreve rsege ar 005E while theve hi-
cle is in motion #
Only shiT into reve rsege ar 005E when the
ve hicle is stationar y. 005E
Reversege ar
0047 -004C
Forw ard gears
005C Neutral #
Eng
Eng aging f
aging f orw
orwar
ard g
d g ear
ear s
s0047 -004C or neutr
or neutr al
al
005C :
:
R Depress the clutch pedal comple tely.
R Turn thege arshiT le verto the desired posi-
tion. 186
186
Driving and parking

#
Eng
Eng aging rev
aging rever
erse g
se g ear
ear 005E:
:
R Depress the clutch pedal comple tely.
R Pull thege arshiT le ver up, push it tothe
leT and then pull it bac k. Gear
Gear
shiT
shiT r
recommendation
ecommendation The
gearshiT recommendation assists you in
adopting an economical driving style. #
When gearshiT recommendation 1appears
on the inst rument displa y,shiT tothere com-
mended gear. A
A
ut
ut omatic tr
omatic tr ansmission
ansmission DIRECT SELECT lev
DIRECT SELECT lev
er
er F
F
unction of t
unction of t he DIRECT SELECT lev
he DIRECT SELECT lev er
er &
W
WARNING
ARNING Risk of accident due toincor-
re ct gearshiTing
If th e engine speed is higher than the idle
speed and you engage the transmission posi-
tion 005Bor005E, theve hicle may accelerate
sharpl y. #
Ifyo u engage the transmission position
005B or005E when theve hicle is at a stand-
still, alw ays depress the brake pedal
/rmly and do not accelerate at the same
time. &
W
WARNING
ARNING Risk of accident and injury due
to leaving children unattended in theve hi-
cle
If ch ildren are leT unattended in theve hicle,
th ey could, in particular:
R open doors, thereby endangering other
persons or road users.
R get out and be struck byoncoming tra1c.
R operate vehicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion by,fo rex ample:
R releasing the parking brake.
R changing the transmission position.
R starting theve hicle. #
Never lea vechildren unattended in the
ve hicle. #
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. #
Keep theve hicle key out of there ach of
ch ildren. Driving and parking
187
187

R
You open the driver's door when theve hicle is
at a standstill or when driving at a very low
speed and the transmission position is 005Bor
005E.
% Tomanoeuv rewith an open driver's door,
open the driver's door while at a standstill and
engage transmission position 005Bor005E again.
% Atvery low outside temp eratures below
appr ox. -20°C, you may not be able toshiT
th e transmission from 005Dtoano ther trans-
mission position when theve hicle is switched
o.. If this is the case, only change the trans-
mission position while theve hicle switched
on.
Eng
Eng aging dr
aging dr iv
ive position D
e position D #
Depress the brake pedal and push the DIRECT
SELECT le ver down past the /r stpoint of
re sis tance.
When the automatic transmission is in transmis-
sion position 005B, it shiTsthege ars automaticall y.
This depends, among other things, on thefo llo w-
ing factors:
R The selected drive prog ram R
The position of the accelerator pedal
R The driving speed Pr
Pr
oblems wit
oblems wit h t
h the tr
he tr ansmission
ansmission The tr
The tr
ansmission has a f
ansmission has a f aulty g
aulty gear
earshiT
shiT
Po ssible cause:
R the transmission is losing oil. #
Have the transmission checked at a quali/ed
specialist workshop immediatel y.
The acceler
The acceler ation c
ation char
har act
acter
eris
istics ge
tics get wt w or
orse, and
se, and
t
t he tr
he tr ansmission no long
ansmission no long er
ershiTs.
shiTs.
Po ssible cause:
R the transmission is in emer gency ope ration
mode. #
Stop theve hicle in accordance with the tra1c
conditions. #
ShiT the transmission toposition 005D. #
Switch o. theve hicle. #
Wait at least ten seconds. #
Start theve hicle again. #
ShiT the transmission toposition 005B. #
Have the transmission checked at a quali/ed
specialist workshop immediatel y. Manual
Manual
g
gear
ear shiTing
shiTing %
For plug-in hybrids, obser vethe information
re ga rding there ge nerative brake system
(/ page 178). When
the automatic transmission is shiTed to
position 005B,you can manually shiT it with the
stee ring wheel gearshiT paddle. If permitted, the
automatic transmission shiTs toa higher or lo wer Driving and parking
189
189

ge
ar depending on the steering wheel gearshiT
paddle being pulled.
Yo u ha vetwo options tomanually shiT the auto-
matic transmission:
R Temp orary setting
R Perm anent setting
The gears shiT automatically when manual shiTing
is deactivated.
T
T em em por
por ar
ary se
y se tting:
tting: #
T
To activ
o activ at
ate:
e: Pull steering wheel gearshiT pad-
dle 1 or2.
Manual shiTing is activated for a short time.
The transmission position display sho ws0063
and the cur rent gear.
% How long the manual shiTing st ays activated
is dependant on various factors.
Manual shiTing can be automatical lydeactiva-
te d in thefo llowing cases:
R Changing the drive prog ram
R Restarting theve hicle
R When the transmission position 005Bis
engaged again R
Driving style #
T
T o
o shiT
shiT up:
up:Pull steering wheel gearshiT pad-
dle 2. #
T
T o
o shiT
shiT do
down:
wn: Pull steering wheel gearshiT
paddle 1.
If yo u pull and hold the steering wheel gear-
shiT paddle 1,the transmission shiTs tothe
lo we st possible gear. #
T
T o deactiv
o deactiv at
ate:
e: Pull steering wheel gearshiT
paddle 2and hold it in place.
The transmission position displ aysho ws005B.
P
P er
er manent se
manent se tting:
tting: #
Change todrive prog ram =(/ page 183). #
Select drive setting 0063(/ page 184). Gear Gear
shiT
shiT r
recommendation
ecommendation The
gearshiT recommendation assists you in
adopting an economical driving style. #
Ifth ege arshiT recommendation 1appears
next tothe transmission position displa y,shiT
to there commended gear. Using kic Using kic
kdo
kdown
wn #
Maximum acceler
Maximum acceler ation:
ation:depress the accelera-
to r pedal be yond the pressure point.
To protect against engine overrev ,th e automatic
transmission shiTs up tothe next gear when maxi-
mum engine speed has been reached. Glide mode function
Glide mode function190
190
Driving and parking

Wi
th an anticipatory driving st yle, Glide mode
helps youto reduce fuel consum ption.
Glide mode is characterised bythefo llowing:
R The combustion engine is disconnected from
th e driv etra in and continues torun in neutral.
R The transmission position display 005Bis sh own
in green.
Glide mode is activated if thefo llowing conditions
are met:
R Drive prog ram ; is selected.
R The speed is within a suitable range.
R The road's course is suitable, e.g. no steep
uphill or downhill inclines or tight bends.
R There is no trailer hitched up tothe trailer
hitch, and no bicycle rack Fitted.
R You do not depress the accelerator or brake
pedal (e xcept for light brake applications).
% Glide mode can also be activated if you ha ve
selected the "Eco" setting forth e drive in the
drive prog ram =.
Glide mode is deactivated again if one of the con-
ditions is no longer met. V
V ehicles wit ehicles wit h A
h Activ
ctiv e Dist
e Dist ance Assis
ance Assist DIS t DISTR
TRONIC:
ONIC:
when Active Distance Assist DISTRONIC is acti ve,
th e glide mode function is not available.
Glide mode can also be pr evented bythefo llowing
parame ters:
R Incline
R Downhill gradient
R Temp erature
R Height
R Speed
R Operating status of the engine
R Tra1c situation
% Glide mode can be ended bypressing a steer-
ing wheel gearshiT paddle (/ page 189). F
F
unction of t
unction of t he 4MA
he 4MATIC
TIC
4MATIC ensu resth at all four wheels are driven.
To get her with ESP ®
and 4ETS, 4MATIC impr oves
th e traction of your vehicle whene ver a driven
wheel spins due toinsu1cient traction. If
yo ufa ilto adapt your driving style, 4MATIC can
neither reduce therisk of an accident nor override
th e la wsof ph ysics. 4MATIC cannot take account
of road, weather and tra1c conditions. 4MATIC is
only an aid. You are responsible especially for
maintaining a safe distance from theve hicle in
front, forve hicle speed, for braking in good time
and for st aying in lane.
% In wintry road conditions, the maximum e.ect
of 4MATIC can be achie ved only if you use
winter tyres (M+S tyres), with snow chains if
necessar y. R
R
efuelling
efuelling R
R
efuelling t
efuelling t he v
he vehicle
ehicle &
W WARNING
ARNING Risk of /re or explosion from
fuel
Fu els are highly 0ammable. #
Fire , naked 0ames, smoking and creating
spar ksmust be avoided. Driving and parking
191 191