2021 MERCEDES-BENZ B-CLASS HATCHBACK display

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

Dat
Dat
a st
a st or
orage
age Dat
Dat
a pr
a pr ocessing in t
ocessing in t he v
he vehicle
ehicle Electr
Electr
onic contr
onic contr ol units
ol units
Electronic control units are /t tedinyour vehicle.
Control units process data which, forex ample,
th ey receive from vehicle senso rs,ge nerate them-
sel ves or exch ange between themsel ves. Some
cont rol units are requ ired forth e safe operation of
yo ur vehicle, some assist you when driving, such
as driver assistance systems, while others enable
con venience or inf otainment functions.
The following pr ovides you with general informa-
tion rega rding data processing in theve hicle.
Ad ditional information rega rding exactly which
data in your vehicle are collected, sa ved and
transmitted tothird parties, and for what purpose,
can be found in the information directly related to
th e functional characteristics in question in their
re specti veoperating instructions. This information
is also available online and, depending on the
ve hicle equipment, digitall y. P
P er
er sonal data
sonal data
Every vehicle is identi/ed bya unique vehicle
identi/cation number. Depending on the countr y,
th is vehicle identi/cation number can be used by,
fo rex ample, go vernmental authorities todeter-
mine the identity of theow ner. There are other
possibilities touse data collected from theve hicle
to identify theow ner or driver, such as the licence
plate number.
Therefore, data generated or processed bycont rol
units may be attributable toa person or, under
cer tain conditions, become attributable toa per-
son. Depending on which vehicle data are availa-
ble, it may be possible tomake inferences about,
fo rex ample, your driving behaviour, your location,
yo ur route or your use patterns.
Leg
Leg al r
al req
equir
uir ements r
ements r eg
egar
arding t
ding t he disclosur
he disclosur e of
e of
data
data
If legally requ ired todo so, manufacturers are, in
individual cases, legally obliged toprov ide go vern-
mental entities, upon requ est and totheex tent
re qu ired, data stored bythe manufacturer. For
ex ample, this may be the case during the in vesti-
ga tion of a criminal o.ence. Go
vernmental entities are themsel ves, in individ-
ual cases and within the applicable legal frame-
wo rk, authorised toread out data from theve hi-
cle. In the case of an accident, information that
can help with an in vesti gation can, therefore, be
ta ke n from the airbag control unit, forex ample.
Oper
Oper ational dat ational dat a in t
a in the v
he vehicle
ehicle
This is data rega rding the operation of theve hicle,
which ha vebeen processed bycont rol units.
This includes thefo llowing data, forex ample:
R vehicle status information such as the speed,
longitudinal acceleration, lateral acceleration,
number of wheel revo lutions or thefa stened
seat belts display
R ambient conditions, su chastemp erature, rain
sensor or distance sensor
Generall y,the use of these data is temp orar y;
th ey will not be stored be yond the period of oper-
ation and will only be processed within theve hicle
itself. Control units oTen contain data memories
fo rve hicle keys,fo rex ample. Their use permits
th ete mp orary or permanent documentation of
te ch nical information about theve hicle's operat- 42 42
Gene
ral no tes

#
Always engage seat belt tongue 2ofthe seat
belt into seat belt buckle 1ofthe cor re-
sponding seat.
% A seat belt can only pr ovide the best le vel of
pr otection if it is worncor rectl y.Obser vethe
no tes on fastening the seat belt (/ page 48).*
N
NOOTE
TE Deployment of components of the
re straint system when the front passenger
seat is unoccupied and a seat belt is
buckled When
the front passenger seat is unoccupied
and the seat belt tongue of the seat belt is
engaged in the seat belt buckle, components
of there straint system ma y deployunnecessa-
ri ly on the front passenger side, e.g. the seat
belt tensioner. #
Only buckle the seat belts as intended. %
Obser vethe no tes on st owage areas
(/ page 118).
Information on /tting a child restraint system
and on children tr avelling in theve hicle can
be found in the "Children in theve hicle" sec-
tion (/ page 66). Seat belt adjus Seat belt adjustment function
tment function V
V
ehicles wit
ehicles wit h PRE-S
h PRE-SAFE
AFE®
®
:
:aTer a front seat belt
has been fastened, the automatic seat belt adjust- ment may apply a cer
tain tightening forc e. Do not
hold the seat belt tightly while it is adjusting.
Yo u can activate and deactivate the seat belt
adjustment function using the multimedia system
(/ page 51). A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating seat belt adjus
ating seat belt adjustment via tment via
t
t he multimedia syst
he multimedia syst em
em Multimedia system:
4 © 5
Settings 5
Vehicle #
Activate or deactivate Belt adjustment. R
R
eleasing seat belts
eleasing seat belts #
Press there lease button in the seat belt
buckle and guide the seat belt back with the
seat belt tongue. Seat belt w
Seat belt w
ar
arning function f
ning function f or t
or the dr
he dr iv
iver and fr
er and fr ont
ont
passeng
passeng er
er The
00E9 seat belt warning lamp in the Instru-
ment Display is a reminder that all vehicle occu-
pants must weartheir seat belts cor rectl y. Occupant saf
ety
51
51

In addition, a
warning tone may sound.
As soon as the driver and front passenger fasten
th eir seat belts, the seat belt warning goes out. F
F
unction of t
unction of t he r
he rear seat belt st
ear seat belt st atus display
atus displayThe
rear seat belt status displ ayis only available
fo r cer tain countries. When
theve hicle is switched on, there ar seat
belt status displ ayinforms youfo r a cer tain
amount of time which rear seat belt is not fas-
te ned. Yo
u can immediately dismiss there ar seat belt
status displ ayusing the back button on the leT-
hand side of the steering wheel (/ page 282).
If a vehicle occupant unfastens a seat belt in the
re ar while theve hicle is motion, there ar seat belt
status displ ayappears again.
In addition, a warning tone may sound. In this
case, there ar seat belt status displ aycannot be
hidden using the back button on the leT-hand side
of the steering wheel. Airbags
Airbags
Ov
Ov
er
ervie
vie w of airbags
w of airbags 1
Knee airbag
2 Driver's airbag
3 Front passenger airbag
4 Window airbag
5 Side airbag
The installation location of an airbag is identi/ed
by the AIRB AGsymbol.
When enabled, an airbag can pr ovide additional
pr otection forth ere specti ve vehicle occupant. 52
52
Occupant saf
ety

F
F
unction of t
unction of t he P
he PASSEN
ASSEN GER AIR BA
GER AIR BAG indicat
G indicat or
or
lam
lam ps
ps Ve
hicles without automatic front passen ger airbag
shuto. ha vea special stic ker a1xed tothe side of
th e cockpit on the front passenger side
(/ page 76). Self-t
Self-t
es
est of aut t of aut omatic fr
omatic fr ont passeng
ont passeng er airbag shut-
er airbag shut-
o.
o. When theve hicle is switched on, a self-test is per-
fo rm ed during which the two PASSENGER AIR
BAG ON and OFF indicator la mps light up simul ta-
neous ly.
The status of the front passenger airbag is dis-
pla yed via thePA SSENGER AIR BAG indicator
la mp s aTer the self-test:
R ON is lit:
ON is lit: the front passenger airbag may
deploy during an accident.
The indicator lamp goes out aTer 60 seconds.
R ON and OFF ar ON and OFF ar e no
e not lit:
t lit: the front passenger
airbag may deploy during an accident.
R OFF is lit:
OFF is lit: the front passenger airbag is disa-
bled. It will then not be deplo yed in theev ent
of an accident.
If th ePA SSENGER AIR BAG ON indicator la mpis
o., only thePA SSENGER AIR BAG OFF indicator
la mp shows th e status of the front passenger air-
bag. The PASSENGER AIR BAG OFF indicator la mp
may be lit continuously or be o.. If
th ePA SSENGER AIR BAG OFF indicator la mp
and the0075 restraint system warning lamp light
up simultaneousl y,the front passenger seat may
not be used. Also in this case, do not /t a child
re straint system tothe front passenger seat. Ha ve
th e automatic front passenger airbag shuto.
ch ecked and repaired immediately at a quali/ed
specialist workshop.
S
S t
tatus display
atus display
If th e front passenger seat is occupied, ensure,
bo th before and during the journe y,that the sta-
tus of the front passenger airbag is cor rect forthe
cur rent situation.
ATer
ATer /tting
/tting a r
a rearw
earw ar
ard-f
d-f acing c
acing c hild r
hild res
estrtraint sy
aint sy s-
s-
t
t em t
em t o t
o the fr
he fr ont passeng
ont passeng er seat
er seat::PA SSENGER AIR
BAG OFF must be lit continuous ly. &
W
WARNI NG
ARNI NGRisk of injury or dea thwhen
using a rear wa rd-facing child restraint sys-
te m while the front passenger airbag is
enabled
If yo u secure a child in a rear wa rd-facing child
re straint system on the front passenger seat
and thePA SSENGER AIR BAG OFF indicator Occupant sa
fety
57
57

R
v
vehicles wit
ehicles wit h h
h hybr
ybr id dr
id dr iv
ive:
e: switching o. the
hy brid system and high-voltage on-board elec-
trical system
R unlocking theve hicle doors
R lowe ring the side windo ws
R displaying the emer gency guide in the multi-
media system display
R switching on the interior lighting
F
F unction of t
unction of t he pos
he post-collision brt-collision br ake
ake
Depending on the accident situation, the post-col-
lision brake can minimise the se verity of a fur ther
collision or evenavo id it.
If an accident is de tected, the post-collision brake
can implement automatic braking. When theve hi-
cle has come toa standstill, the electric parking
brake is automatically applied.
The driver can cancel automatic braking bytaking
th efo llowing actions:
R braking more strongly than automatic braking
R fully depressing the accelerator pedal with
fo rce Saf Saf
el
ely tr
y tr anspor
anspor ting c
ting childr
hildren in t
en in t he v
he vehicle
ehicle Alw
ay
Alw ays observ
s observ e when c
e when c hildr
hildren ar
en ar e trav
e tr avelling in t
elling in t he
he
v
v ehicle
ehicle %
Also strictly obser vethe saf ety no tesfo rthe
speci/c situation. In this wa yyo u can recog-
nise po tential risks and avoid dangers if chil-
dren are tr avelling in theve hicle
(/ page 62).
Be dilig
Be dilig ent
ent
Bear in mind that negligence when securing a
ch ild in thech ild restraint system ma y haveseri-
ous conse quences. Alw ays be dili gent in securing
a ch ild carefully before every journe y.
Ne ver allow babies and children totrave l sitting
on the lap of ano ther vehicle occupant.
To impr oveprotection forch ildren younger than
12 years old or under 1.50 m in height,
Mercedes-Benz recommends you obser vethefo l-
lowing information:
R Always secure thech ild in a child restraint sys-
te m suitable forth is Mercedes-Benz vehicle.
R The child restraint system must be appropria te
to the age, weight and size of thech ild. R
The vehicle seat must be suitable for /tting a
ch ild restraint system (/ page 66).
Ac cident statistics show that children secured on
th ere ar seats are generally sa ferth an children
secured on the front seats. Forth is reason,
Mercedes-Benz st rongly advises that you /t a
ch ild restraint system toare ar seat.
The g The g ener
eneric t
ic ter
erm c
m c hild r
hild r es
estr
traint syst
aint syst em
em
The generic term child restraint system is used in
th is Owner's Manual. A child restraint system is,
fo rex ample:
R a baby car seat
R are ar wa rd-facing child seat
R afo rw ard-facing child seat
R ach ild booster seat with a backrest and seat
belt guide
Mercedes-Benz recommends using a child
booster seat with a backrest.
The child restraint system must be appropria te to
th e age, weight and size of thech ild. Occupant saf
ety
61 61

Se
Se
tting t
tting t he easy entr
he easy entr y and e
y and exit f
xit feature
eature Multimedia system:
4 © 5
Settings 5
Vehicle
5 Automatic seat adjustment
5 Easy Entry/Exit #
Activate or deactivate the function. Memor
Memor
y function
y function F
F
unction of t
unction of t he memor
he memory function
y function &
W
WARNING
ARNING Risk of an accident if the mem-
ory function is used while driving
If yo u use the memory function on the driver's
side while driving, you could lose control of
th eve hicle as a result of the adjustments
being made. #
Only use the memory function on the
driver's side when theve hicle is station-
ar y. &
W
WARNI NG
ARNI NGRisk of entrapment when
adjusting the seat with the memory func-
tion
When the memory function adjusts the seat,
yo u and other vehicle occupants – particular ly
ch ildren – could become trapped. #
During the adjustment process of the
memory function, make sure that no one
has any body parts in the sweep of the
seat. #
If someone becomes trapped, press a
preset position button or seat adjust-
ment switch immediatel y. &
W WARNI NG
ARNI NGRisk of entrapment if the mem-
ory function is activated bychildren
Children could become trapped if they acti-
va te the memory function, particular lywhen
unat tended. #
Never lea vechildren unattended in the
ve hicle. #
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. Yo
u can use the memory function when the igni-
tion is switched o..
Seat adjustments for up tothre e people can be
stored and called up using the memory function.
Yo u can sa vesettings forth efo llowing systems:
R Seat
R Seat contour
R Outside mir rors
R Head-up display Seats and st
owing
117 117

#
Place the mobile phone as close tothe centre
of the mar ked sur face on mat 1as possible
with the display facing upwards.
When a message is shown in the multimedia
system, the mobile phone is being charge d.
Malfunctions during thech arging process are
shown in the central displa y.
% The mat can be remo vedfo r cleaning, e.g.
using clean, luk ewarmwater.
S
S t
to
o w
w ag
ag e com
e com par
partment wit
tment without cov hout cover
er
Make sure the mobile phone is proper lystored
and secu redto prev ent it from falling out while
yo u are driving. #
T
T o secur
o secur e t
e the mobile phone:
he mobile phone: swing lever2
out.
R
R adio eq
adio eq uipment appr ov
uipment appr oval number
al number s f
s for Br
or Br azil
azil
This device operates on a secondary basis, that is
to say it has no pr otection against harmful inter-
fe re nce, not even from the same type of stations,
and must not cause inter fere nce with systems
ope rating on a prima rybasis.
This product is permitted in accordance with the
procedure de/ned in Directive 242/2000 bythe
Brazilian telecommunications agency ANATEL and
meets the applicable tech nical requ irements.
Fu rther information is available on the ANATEL
we bsite. www.anatel.go v.br #
Further information on the declaration of con-
fo rm ity forve hicle components which receive
and/or transmit radio waves. F
F
itting/r
itting/r emo
emoving t
ving t he
he0oor
0oor mats
mats &
W
WARNING
ARNING Risk of accident due toobjects
in the driver's foot we ll
Objects in the driver's foot we ll may impede
pedal tr avel or block a depressed pedal.
This jeopardises the operating and road saf ety
of theve hicle. #
Stow all objects in theve hicle securely
so that they cannot getinto the driver's
fo ot we ll. #
Always /t the 0oor mats securely and as
prescribed in order toensure that there
is alw ays su1cient room forth e pedals. #
Do not use loose 0oor mats and do not
place 0oor mats on top of one ano ther. 136 136
Seats and st
owing