2022 MERCEDES-BENZ A-CLASS HATCHBACK Owners Manual

=
when t ow-away protection is triggered
( page 102)
The ATA system is primed automatically aser
approximately ten seconds in the following situa-
tions:
= aser locking the vehicle with the key
= aser locking the vehicle using KEYLESS-GO Indicator lamp
1 Oashes when t he ATA system is
primed.
The ATA system is deactivated automatically in the
following situations:
= aser unlocking the vehicle with the key
= aser unlocking the vehicle using KEYLESS-GO
= aser pressing the start/stop button with the
key in the stowage compartment
( page 169)
% When the Mercedes!

Priming/deactivating tow-away protection
Multimedia system:
4 © 5
Settings 5
Quick access 
Prime or deactivate Tow-away protection .
Tow-away protection is primed again in the follow-
ing cases:
= The v
ehicle is unlocked again.
= A door is opened.
= The vehicle is locked again.
% If quick access is unavailable, select the Vehi-
cle submenu in t
he Settings main menu to
prime or deactivate tow-away protection. Function of interior protection
When interior protection is primed, a visual and
audible alar

m is triggered if movement is detected
in the vehicle interior.
Interior protection is primed automatically aser
approximately ten seconds:
= aser locking the vehicle with the key
= aser locking the vehicle using KEYLESS-GO Interior protection is only primed when the follow-
ing com
ponents are closed:
= Doors
= Tailgate
Interior protection is automatically deactivated: = aser pressing the Ü button on the key
= aser pressing the start/stop button with the
key in the stowage compartment
( page 169)
= aser unlocking the vehicle using KEYLESS-GO
The following situations can lead to a false alarm:
= when there are moving objects suchas mas-
cots in the vehicle interior
= when a side window is open
= when a panoramic sliding sunroof is open Priming/deactivating interior protection
Multimedia system:
4 © 5
Settings 5
Quick access 
Prime or deactivate Interior motion sensor .Interior protection is primed again in the following
cases:
= The v
ehicle is unlocked again.
= A door is opened.
= The vehicle is locked again.
% If quick access is unavailable, select the Vehi-
cle menu under Settings t

o prime or deacti-
vate interior protection. Opening and closing
103

Notes on the correct driver's seat position
&
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. Ensure the following when adjusting the steering
wheel 1, seat belt 2 and dr

iver's seat 3:
= You are sitting as far away from the driver's
airbag as possible, taking the following points
into consideration:
= You are sitting in an upright position
= Your thighs are slightly supported by the seat
cushion =
Y
our legs are not fully extended and you can
depress the pedals properly
= The back of your head is supported at eye
level by the centre of the head restraint
= You can hold the steering wheel with your
arms slightly bent
= You can move your legs freely
= You can see all the displays on the instrument
display clearly.
= You have a good overview of the traPc condi-
tions
= Observe the notes on correctly fastening the
seatbelt (  page 50).
Vehicles with an AMG performance seat: if the
front passenger seat is unoccupied, this can lead
to noise caused by the seat belt tongue knocking
against the seat. You can prevent this by sliding
the seat belt tongue upwards with the belt clip. If
the front passenger seat is occupied, ensure that
the belt clip is pushed down. Only then will the
seat belt Nt tight to the body. 104
Seats and stowing

Seats
Adjusting the front seat mechanically (without
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. 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
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.
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. Seats and stowing
105

&
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. &
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. 106
Seats and stowing

Adjusting the seat f
ore-and-as position 
Lis le
ver 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. Seats and stowing
107

&
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
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. 108
Seats and stowing


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 
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 121). Seats and stowing
109