MERCEDES-BENZ B-CLASS HATCHBACK 2022 Owners Manual


When leaving the vehicle, always take the
k ey with you and lock the vehicle. 
Never leave children unattended in the
v
ehicle. This also applies to the Digital Vehicle Key sticker.
&
WARNING Risk of becoming tr
apped dur-
ing seat adjustment
When you adjust a seat, you or other vehicle
occupants could become tr
apped, e.g. on the
seat guide rail. 
Make sure when adjusting a seat that no
one has an

y body parts in the sweep of
the seat. Observe the safety notes on "Airbags" and "Chil-
dr

en in the vehicle". &
WARNING Risk of accident due t
o the
driver's seat not being engaged
The driver's seat may move unexpectedly
while dr
iving. This could cause you to lose control of the
v

ehicle. 
Always make sure that the driver's seat
is eng

aged before starting the vehicle. &
WARNING Risk of accident due t
o adjust-
ing the vehicle settings while the vehicle is
in motion
You could lose control of the vehicle in the fol-
lo
wing situations in particular:
= if you adjust the driver's seat, the head
restraint, the steering wheel or the mirror
while the vehicle is in motion
= if you fasten your seat belt while the vehi-
cle is in motion 
Before starting the vehicle: in particular,
adjus

t the driver's seat, head restraint,
steering wheel and mirror, and fasten
your seat belt. &
WARNING Risk of becoming tr
apped if the
seat height is adjusted carelessly
If you adjust the seat height carelessly, you or
o
ther vehicle occupants could be trapped and
thereby injured.
Children in particular could accidentally press
the electrical seat adjustment buttons and
become trapped. 
While moving the seats, make sure that
hands or o
ther body parts do not get
under the lever assembly of the seat
adjustment system. &
WARNING Risk of injur
y due to head
restraints not being Ntted or being adjus-
ted incorrectly
If head restraints have not been installed or
ha
ve not been adjusted correctly, there is an
increased risk of injury in the head and neck
area, e.g. in the event of an accident or when
braking. 108
Seats and stowing


Always drive with the head restraints Nt-
t ed. 
Before driving oM, mak
e sure for every
vehicle occupant that the centre of the
head restraint supports the back of the
head at about eye level. Do not interchange the head restraints of the
fr
ont and rear seats. Otherwise, you will not be
able to adjust the height and angle of the head
restraints correctly.
Adjust the head restraint fore-and-as position so
that it is as close as possible to the back of your
head. &
WARNING Risk of injur
y or death due to
incorrect seat position
The seat belt will not oMer t
he intended level
of protection if you have not moved the seat
backrest to an almost vertical position.
In particular, you may slip under the seatbelt
and injure yourself. 
Adjust the seat properly before begin-
ning y

our journey. 
Always ensure that the seat backrest is
in an almos

t vertical position and that
the shoulder section of your seat belt is
routed across the centre of your shoul-
der. &
WARNING Risk of injur
y due to excessive
strain on the grab handle
If you apply your full body weight to the grab
handle or pull it abr
uptly, the grab handle may
be damaged or become loose from its anchor-
age. 
Use the grab handles only to stabilise
t

he seating position or to assist in get-
ting in and out of the seat. &
WARNING Risk of injur
y or death due to
objects under the co-driver seat
Objects trapped under the co-driver seat can
int
erfere with the function of the automatic
co-driver airbag shutoM or damage the system. 
Do not store any objects under the co-
dr
iver seat. 
When the co-driver seat is occupied,
mak
e sure that no objects are trapped
under the co-driver seat. Adjusting the seat f

ore-and-as position Seats and stowing
109


Lis lever 1 and slide the seat into the
desired position. 
Make sure that the seat is engaged. 
To adjust the seat height: push or pull le
ver 2
until the desired position has been reached. 
To adjust the seat backrest inclination: tur
n
handwheel 3 forwards and backwards until
the desired position has been reached. Adjusting the front seat mechanically (with Seat
Comf

ort Package) &
WARNING Risk of becoming tr
apped if the
seats are adjusted by children
Children could become trapped if they adjust
t
he seats, particularly when unattended. 
When leaving the vehicle, always take the
k
ey with you and lock the vehicle. 
Never leave children unattended in the
v
ehicle. &
WARNING Risk of becoming tr
apped dur-
ing seat adjustment
When you adjust a seat, you or other vehicle
occupants could become tr
apped, e.g. on the
seat guide rail. 
Make sure when adjusting a seat that no
one has an

y body parts in the sweep of
the seat. Observe the safety notes on "Airbags" and "Chil-
dr

en in the vehicle". &
WARNING Risk of accident due t
o the
driver's seat not being engaged
The driver's seat may move unexpectedly
while dr
iving.
This could cause you to lose control of the
vehicle. 
Always make sure that the driver's seat
is eng

aged before starting the vehicle. &
WARNING Risk of accident due t
o adjust-
ing the vehicle settings while the vehicle is
in motion
You could lose control of the vehicle in the fol-
lo
wing situations in particular:
= if you adjust the driver's seat, the head
restraint, the steering wheel or the mirror
while the vehicle is in motion
= if you fasten your seat belt while the vehi-
cle is in motion 
Before starting the vehicle: in particular,
adjus

t the driver's seat, head restraint,
steering wheel and mirror, and fasten
your seat belt. &
WARNING Risk of becoming tr
apped if the
seat height is adjusted carelessly
If you adjust the seat height carelessly, you or
o
ther vehicle occupants could be trapped and
thereby injured. 110
Seats and stowing

Children in particular could accidentally press
t he electrical seat adjustment buttons and
become trapped. 
While moving the seats, make sure that
hands or o
ther body parts do not get
under the lever assembly of the seat
adjustment system. &
WARNING Risk of injur
y due to head
restraints not being Ntted or being adjus-
ted incorrectly
If head restraints have not been installed or
ha
ve not been adjusted correctly, there is an
increased risk of injury in the head and neck
area, e.g. in the event of an accident or when
braking. 
Always drive with the head restraints Nt-
t
ed. 
Before driving oM, mak
e sure for every
vehicle occupant that the centre of the
head restraint supports the back of the
head at about eye level. &
WARNING Risk of injur
y or death due to
incorrect seat position
The seat belt will not oMer t
he intended level
of protection if you have not moved the seat
backrest to an almost vertical position.
In particular, you may slip under the seatbelt
and injure yourself. 
Adjust the seat properly before begin-
ning y

our journey. 
Always ensure that the seat backrest is
in an almos

t vertical position and that
the shoulder section of your seat belt is
routed across the centre of your shoul-
der. &
WARNING Risk of injur
y due to excessive
strain on the grab handle
If you apply your full body weight to the grab
handle or pull it abr
uptly, the grab handle may
be damaged or become loose from its anchor-
age. 
Use the grab handles only to stabilise
t

he seating position or to assist in get-
ting in and out of the seat. &
WARNING Risk of injur
y or death due to
objects under the co-driver seat
Objects trapped under the co-driver seat can
int
erfere with the function of the automatic
co-driver airbag shutoM or damage the system. 
Do not store any objects under the co-
dr
iver seat. 
When the co-driver seat is occupied,
mak
e sure that no objects are trapped
under the co-driver seat. Seats and stowing
111

Adjusting the seat f
ore-and-as position 
Lis le
ver 2 and slide the seat into the
desired position. 
Make sure that the seat is engaged. 
To adjust the seat cushion length (driver's
seat onl
y): lis lever 1 and slide the front sec-
tion of the seat cushion forwards or back-
wards. 
To adjust the seat cushion inclination: tur
n
handwheel 3 forwards and backwards until
the desired position has been reached. 
To adjust the seat height: push or pull le
ver 4
until the desired position has been reached. 
To adjust the seat backrest inclination: tur
n
handwheel 5 forwards and backwards until
the desired position has been reached.
% You can expand the load compartment by
f

olding the seat backrest on the front
passenger side forwards ( page 125). Adjusting the front seat electrically
1
Seat backrest inclination
2 Seat height
3 Seat cushion inclination
4 Seat f
ore-and-as position 
Save the settings with the memory function
( pag

e 121). 112
Seats and stowing

Adjusting the 4-way lumbar support
1
Higher
2 Soser
3 Lower
4 Firmer 
Use buttons 1 t o 4 to adjust the contour of
the backrest. Adjusting rear seats mechanically
&
WARNING Risk of becoming tr
apped when
adjusting the seats
When you adjust a seat, you may trap yourself
or a v
ehicle occupant. 
When adjusting a seat, make sure that
no one has an
y body parts in the sweep
of the seat. &
WARNING Risk of accident if t
he seat and
seat backrest are not engaged
The seat and seat backrest can fold forwards.
Ther
e is a risk of the following, in particular:
= The vehicle occupant may be pressed
against the seat belt. The seat belt cannot
protect as intended and could cause addi-
tional injury.
= A child restraint system will no longer be
properly supported or positioned and will
no longer fulNl its function as intended. =
The seat bac
krest will not be able restrain
objects or goods in the load compartment.
Always ensure that the seat and seat backrest
are engaged, in particular:
= Before persons travel in the vehicle while
sitting on a seat with the easy entry and
exit feature
= Aser the seat has been adjusted.
= Aser the easy entry and exit feature has
been used
= Aser the load compartment enlargement
has been folded forwards &
WARNING Risk of injur
y from adjusting
the rear seats while driving
You or other vehicle occupants could be trap-
ped and t
hereby injured. 
Adjust the rear seats before starting the
engine. Seats and stowing
113

*
NOTE Damag e caused by objects in the
footwell or behind the rear seats When adjusting the
f
ore-and-as position, the
rear seats and/or the object can be damaged. 
Stow objects in a suitable place. This function is available only for vehicles with a
mo

vable rear bench seat.
The components of the rear bench seat can be
moved. You can move the right-hand and les-hand
parts together with the centre part independently
of each other. 
Lis r
elease handle 1 and slide the corre-
sponding part of the bench seat into the
desired position. 
Let go of release handle 1. 
Make sure that the seat is engaged. Head restraints
Adjusting the front seat head restraints manually
&
WARNING Risk of accident due t
o adjust-
ing the vehicle settings while the vehicle is
in motion
You could lose control of the vehicle in the fol-
lo
wing situations in particular:
= if you adjust the driver's seat, the head
restraint, the steering wheel or the mirror
while the vehicle is in motion
= if you fasten your seat belt while the vehi-
cle is in motion 
Before starting the vehicle: in particular,
adjus

t the driver's seat, head restraint,
steering wheel and mirror, and fasten
your seat belt. 114
Seats and stowing

&
WARNING Risk of injur y due to head
restraints not being Ntted or being adjus-
ted incorrectly
If head restraints have not been installed or
ha
ve not been adjusted correctly, there is an
increased risk of injury in the head and neck
area, e.g. in the event of an accident or when
braking. 
Always drive with the head restraints Nt-
t
ed. 
Before driving oM, mak
e sure for every
vehicle occupant that the centre of the
head restraint supports the back of the
head at about eye level. Do not interchange the head restraints of the
fr
ont and rear seats. Otherwise, you will not be
able to adjust the height and angle of the head
restraints correctly.
Adjust the head restraint fore-and-as position so
that it is as close as possible to the back of your
head. 
To raise: pull t he head restraint up. 
To lower: pr
ess release knob 1 in the direc-
tion of the arrow and push the head restraint
down. 
To move forwards: pr
ess release knob 2 and
pull the head restraint forwards. 
To move backwards: pr
ess release knob 2
and push the head restraint backwards. Adjusting the head restraints of the rear seats
mec

hanically 
To raise: pull t
he head restraint up. 
To lower: pr
ess release knob 1 in the direc-
tion of the arrow and push the head restraint
down. Seats and stowing
115

Fitting/removing the rear seat head restraints
R
emoving 
Release the rear seat backrest and fold it for-
w
ards slightly (  page 126). 
Pull the head restraint upwards as far as it will
go. 
Push release knob 1 in t
he direction of the
arrow and pull out the head restraint. Installing 
Insert the head restraint such that the notches
on t
he bar are on the les when viewed in the
direction of travel. 
Push the head restraint down until it engages. 
Fold the rear seat backrest back until it
eng
ages. ConNguring
t
he seat settings Multimedia system:
4 © 5
Comfort 5
Seat comfort
A

djusting the backrest contour in the lumbar
region of the seat backrest (lumbar) 
Select Lumbar . 
Select the settings = f
or the desired seat. 
Adjust the air cushions.
Adjusting the backrest side bolsters 
Select Side bolsters . 
Adjust the air cushion for the desired seat. Selecting the massage programme for the front
seats Multimedia system:
4 © 5
Comfort 5
Massage 
Select Wave Massage or Pulsating Massage . 
Start the programme for the desired
seat e. 
To set the massage intensity: switch High
intensity on or oM . Resetting seat settings
Multimedia system:
4 © 5
Comfort 5
Seat comfort 
Select

Switching the seat heating
on/oM&
WARNING Risk of bur ns due to repeatedly
switching on the seat heating
Repeatedly switching on the seat heating can
cause t
he seat cushion and seat backrest pad-
ding to become very hot.
In particular, the health of persons with limited
temperature sensitivity or a limited ability to
react to high temperatures may be aMected or
they may even suMer burn-like injuries. 
Do not repeatedly switch on the seat
heating. To protect against overheating, the seat heating
ma

y be temporarily deactivated aser it has been
switched on repeatedly.
* NOTE Damag
e to the seats caused by
objects or documents when the seat
heater is switched on When the seat heater is switched on, over-
heating ma
y occur due to objects or docu- ments placed on the seats e.g. seat cushions
or c

hild seats. This could cause damage to the
seat surface. 
Make sure that no objects or documents
ar

e on the seats when the seat heater is
switched on. Requirements:
= The po

wer supply is switched on. 
Press button 1 r
epeatedly until the desired
heating level is set.
Depending on the heating level, up to three
indicator lamps will light up. If all indicator
lamps are oM, the seat heating is switched oM.
% The seat heating will automatically switch
do

wn from the three heating levels aser 8, 10
and 20 minutes until the seat heating
switches oM.
% In the ECO drive program, the seat heating
can switc
h on automatically at a low heating
level to support the function of the air condi-
tioning system . The indicator lamps will not
light up. Switching the seat ventilation
on/oM Requirements:
= The po

wer supply is switched on. Seats and stowing
117