2021 MERCEDES-BENZ B-CLASS HATCHBACK child seat

#
Never lea vechildren unattended in the
ve hicle. #
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. U
Unloc
nloc king
king #
Foldrelease le ver1 down as far as it will go. #
Adjust height 2and distance 3tothe
stee ring wheel.
Loc
Loc king
king #
Foldrelease le ver1 up as far as it will go. #
Check and make sure that the steering col-
umn is loc kedby moving the steering wheel. Switc
Switc
hing t
hing t he st
he steer
eering wheel heat
ing wheel heat er
eron/o.
on/o. R
R
eq
eq uir
uir ements:
ements:
R The vehicle is switched on. #
Push the switch into position 1or2.
If indicator lamp 3lights up, the steering
wheel heater is switched on.
When you switch theve hicle o., the steering
wheel heater will switch o.. Seats and st
owing
115
115

Easy entr
Easy entr
y and e
y and exit f
xit feature
eature Using t
Using t
he easy entr
he easy entr y and e
y and exit f
xit feature
eature &
W
WARNING
ARNING Risk of accident when pulling
awa y during the adjustment process of
th e easy entry and exitfeature
Yo u could lose control of theve hicle. #
Alwayswa it until the adjustment process
is comple tebefore driving o.. &
W
WARNING
ARNING Risk of becoming trapped dur-
ing adjustment of the easy entry and exit
fe ature
Yo u and other vehicle occupants could
become trapped. #
Ensu rethat no-one has any body parts in
th era nge of mo vement of the seat.
If th ere is a risk of becoming trapped bythe
driver's seat: #
Press the seat adjustment switch.
The adjustment process will be stopped. Yo
u can stop the adjustment process bypressing
one of the memory function position switches. &
W
WARNING
ARNING Risk of becoming trapped if
ch ildren activate the easy entry and exit
fe ature‑
Child ren could become trapped if they acti-
va te the easy entry‑ and exitfeature, particu-
lar 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. When
the easy entry and exitfeature is active, the
driver's seat will mo vebackwards and the bac k-
re st will be mo vedto a steeper position when:
R You switch the ignition o. when the driver's
door is open
R You open the driver's door when the ignition is
switched o. %
The driver's seat will then mo vebackwards
only if it is not already at there ar of the seat
adjustment range.
The seat backrest will then mo ve forwards
only if it is not already at the front of the bac k-
re st adjustment range.
The driver's seat will mo veback tothe last drive
position when:
R You switch the ignition on with the driver's
door closed.
R You close the driver's door when the ignition is
switched on
The last drive position will be sa ved when:
R You switch the ignition o..
R You call up the seat settings via the memory
function.
R You sa vethe seat settings via the memory
function. 116
116
Seats and st
owing

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

*
N
NO
OTE
TE Damage tothere ar armrest due to
body weight When
folded out, there ar armrest can be
damaged bybody weight. #
Do not sit or support yourself on there ar
seat armrest. &
W
WARNING
ARNING Risk of injury due toan open
load compartment 0oor
If yo u drive with the load compartment 0oor
open, objects could be 0ung around and hit
ve hicle occupants as a result. There is a risk
of injur y,particular lyin theev ent of sudden
braking or a sudden change in direction. #
Always close the load compartment 0oor
before a journe y.&
W
WARNI NG
ARNI NG‑ Risk of /re and injury from the
hot cigar ette lighter
Yo u can burn yourself if youto uch the hot
heating element or the soc ket of the cigar ette
lighter. In addition, 0ammable materials may ignite if:
R you drop the hot cigar ette lighter
R ach ild holds the hot cigar ette lighter to
objects, forex ample #
Always hold the cigar ette lighter bythe
knob. #
Always make sure that the cigar ette
lighter is out of reach of children. #
Never lea vechildren unattended in the
ve hicle. &
W
WARNING
ARNING Risk of burns from theta ilpipe
and tailpipe trims
The exhaust tailpipe and tailpipe trims can
become very hot. If you come into contact
with these parts of theve hicle, you could burn
yo urself. #
Always be particular lycareful around the
ta ilpipe and theta ilpipe trims and super-
vise children especially closely in this
area. #
Allow vehicle parts tocool down before
to uching them. The driving
characteristics of your vehicle are
dependent on the distribution of the load within
th eve hicle. You should bear thefo llowing in mind
when loading theve hicle:
R neverex ceed the permissible gross mass or
th e permissible axle loads forth eve hicle
(including occupants).
Information can be found on theve hicle identi-
/cation plate (/ page 394).
R the load must not pr otru de abo vethe upper
edge of the seat backrests.
R always use the partition net when transporting
objects in the load compartment.
R always place the load behind unoccupied
seats if possible.
R secure the load using the tie-down eyes and
distribute the load evenl y. 120 120
Seats and st
owing

Electr
Electr
ic par
ic parking br
king br ake
ake F
F
unction of t
unction of t he electr
he electric par
ic par king br
king br ak
ak e (appl
e (appl ying
ying
aut
aut omaticall
omaticall y)
y) &
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. V
V
ehicles wit
ehicles wit h manual tr
h manual tr ansmission:
ansmission:
The electr
The electr ic par
ic parking br
king br ak
ake is applied if t
e is applied if t he v
he vehicle
ehicle
is br
is br ought t
ought t o a st
o a stands
andstill and one of ttill and one of t he f
he follo
ollowing
wing
conditions is
conditions is ful/lled:
ful/lled:
R The vehicle has pr eviously been driven at
speeds greater than 3 km/h.
R The vehicle is switched o..
R The driver's door is opened.
% Toprev ent application: pull the handle of the
electric parking brake (/ page 221).
In t
In t he f
he f ollo
ollowing situations, t
wing situations, t he electr
he electric par
ic parking
king
br
br ak
ak e is also applied:
e is also applied:
R The HOLD function is keeping theve hicle sta-
tionar y.
R In addition, one of t
In addition, one of t he f
he follo
ollo wing conditions
wing conditions
mus
mus t be
t be ful/lled:
ful/lled:
- The vehicle is switched o.. -
The seat belt tongue is not inse rted in the
seat belt buckle of the driver's seat and
th e driver's door is opened.
- There is a system malfunction.
- The po wer supply is insu1cient.
- The vehicle is stationary for a lengt hy
period.
When the electric parking brake is applied, the
re d0024 indicator lamp lights up in the inst ru-
ment cluster.
If th e electric parking brake is not applied when
th e driver's door is opened, theRisk of vehicle
rolling away Apply parking brake See Owner's
Manual message appears.
% The electric parking brake is not automatically
applied if theve hicle is switched o. bythe
ECO start/s top function.
V
V ehicles wit ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission:
The electr
The electr ic par
ic parking br
king br ak
ake is applied if t
e is applied if t he tr
he tr ans-
ans-
mission is in position
mission is in position 005D
005Dand one of t
and one of t he f
he follo
ollowing
wing
conditions is
conditions is ful/lled:
ful/lled:
R The vehicle is switched o.. Driving and parking
219
219

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences and0050
0050Solutions
Solutions
Front-passenger airbag
enabled See Owner's Man-
ual *T
he front passen ger airbag will be enabled while theve hicle is in motion in thefo llowing situations:
R even when a child, a small adult or an object weighing less than the system weight thre shold is located on the front
passenger seat
R even when the front passenger seat is not occupied
The system may de tect objects or forc es that are adding tothewe ight applied tothe seat. &
W WARNING
ARNING Risk of injury or death when using a child restraint system while the front passenger airbag is ena-
bled
If yo u secure a child in a child restraint system on the front passenger seat and the front passenger airbag is ena-
bled, the front passenger airbag can deploy in theev ent of an accident.
The child could be struck bythe airbag. #
Ensure, bo thbefore and during the journe y,that the status of the front passenger airbag is cor rect.
NEVER use a rear wa rdfacing child restraint on a seat pro tected byan ACTIVE AIRBAG in front of it, DEATH or
SERIOUS INJURY tothe CHILD can occur. #
Stop theve hicle immediately in accordance with the tra1c conditions. #
Make sure that no objects are trapped under the front passenger seat. #
Check the status of automatic front passenger airbag actuation (/ page 57).#
If necessar y,consult a quali/ed specialist workshop immediatel y.416
416
Display message
s andwarning/indicator lamps

Main beam............................................. 149
No tes..................................................... 147
Overview................................................ 148
Re versing lights......................................1 49
Tu rn signal lights (rear)........................... 149
Changing g
Changing g ears
ears
Manually................................................ 189
Changing hub caps Changing hub caps ....................................... 384
Char Char ging
ging
Char geleve l displa y............................... 214
Charg ing cable control panel.................. 203
Ending thech arging process (alternat-
ing cur rent, mode 2/3).......................... 209
Ending thech arging process (direct
cur rent, mode 4).................................... 213
Indica tor lamps on vehicle soc ket........... 205
No tes - charging station (mode 3)......... .201
No tes - fast charging station (mode 4)... .202
No tes - mains soc ket (Mode 2)............... 200
No tes - wallbox (mode 3)........................ 201
No tes on charging the high-voltage
battery................................................... 198
On-board electrical system battery
(12 V).................................................... 363 Setting
the maximum possible charg-
ing cur rent (mains soc ket)...................... 203
St arting thech arging process (alter-
nating cur rent, mode 2/3)..................... 206
St arting thech arging process (direct
cur rent, mode 4).................................... 211
St ow ing thech arging cable.................... 198
USB port............................................... .134
Char
Char ging cable ging cable
Control panel......................................... 203
St ow ing................................................. 198
Child safe Child safe ty lock
ty lock
Re ar door................................................ .78
Re ar side wind ows................................... 80
Child seat
Child seat
Appr oval catego ries.................................66
At tach ing (no tes)..................................... .66
Basic instructions.................................... 61
Fr ont passenger seat (no tes).................... 76
Fr ont passenger seat (without auto-
matic airbag shuto.)............................... .76
ISOFIX/i-Size (/tting).............................. .70
No tes on risks and danger s...................... 62
Re commendations forch ild restraint
systems................................................... 65 Seats suitable
for belt-secured child
re straint systems..................................... 73
Seats suitable for i‑Size child restraint
systems................................................... 69
Seats suitable for ISOFIX child
re straint systems..................................... 68
Securing on the co-driver seat..................77
Securing on there ar seat......................... 74
To pTe ther................................................ 72
Childr
Childr en en
Av oiding dangers in theve hicle............... .62
Basic instructions.................................... 61
Chock
Chock Storage location..................................... 383
Chock
Chock see Chock
City lighting
City lighting.................................................. 142
Cleaning
Cleaning
see Care
Cleaning
Cleaning 0uid
0uid
see windscreen washer 0uid
Climat
Climat e contr
e contr ol
ol
Ac tivating/deactivating.......................... 158 500
500
Index

Multimedia syst
Multimedia syst
em
em
see MBUX multimedia system N
N
N
N a
avig
vig ation
ation
Ac tivating............................................... 303
No tes..................................................... 302
Overview................................................ 304
Sh ow ing/hiding the menu...................... 303
Na
Na vig vigation
ation
see Destination entry
see Map
see Route
N N eutr
eutr al
al
Engaging................................................ 188
N
Noise oise
Wheels and tyres................................... 374
Wheels/tyres......................................... 374 O
O
Occupant safe
Occupant safe ty
ty
see Airbag
see Automatic co-driver airbag shuto.
see Automatic measures aTer an accident see Child seat
see
Pets in theve hicle
see Post-collision brake
see PRE-SAFE ®
(anticipa tory occu-
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
see Restraint system
see Seat belt
Oil Oil see Engine oil
On-boar
On-boar d com
d comput
puter
er
Displa yingthe service due dat e.............. 336
Head-up display menu............................ 286
Instrument displa y................................. 285
Menu overview.......................................2 82
Operating.............................................. 282
On-boar
On-boar d diagnos d diagnostics int tics interf
erface
ace
see Diagnostics connection
On-boar
On-boar d electr
d electrical syst
ical syst em batt
em batter
ery (12 V)
y (12 V)
Charging................................................ 363
Re placing.............................................. .364
St arting assis tance............................... .363 On-boar
On-boar d electr d electronics
onics
Engine electronics................................. 392
No tes..................................................... 392
Tw o-w ayradios...................................... 392
on-demand f
on-demand f eature eature
Ac tivating................................................. 26
No tes...................................................... .26
Online ser
Online ser vices
vices
Data storag e............................................ 44
Online ser
Online ser vices
vices
see In-Car O1ce
Open-sour
Open-sour ce
cesoTw
soTw are
are.................................... 45
Opening t
Opening t he t
he tailg
ailgat
ate using y
e using y our f
our foot
oot
HANDS-FREE ACCESS............................. 92
Oper
Oper ating
ating 0uids
0uids
Ad Blue ®
................................................ .400
Ad ditives (fuel)....................................... 398
Brake 0uid............................................. 403
Coolant (engine).................................... 404
Engine oil............................................... 401
Fu el (diesel)........................................... 399
Fu el (petrol)........................................... 397
No tes..................................................... 396
windsc reen washer 0uid........................ .404 Index
517 517