MERCEDES-BENZ A-CLASS HATCHBACK 2022 Owners Manual


Push the plug of hose 5 int o Oange 6 of
tyre sealant bottle 1 until the plug engages.
Place tyre sealant bottle 1 head do
wnwards
into recess 2 of the tyre inOation compres-
sor. 
Remove the valve cap from valve 7
on the
faulty tyre. 
Screw Nlling hose 8 ont
o valve 7. 
Insert plug 4 int
o a 12!


Unscrew the Nlling hose fr om the valve of the
defective tyre. &
WARNING Risk of accident fr
om driving
with sealed tyres
A tyre temporarily sealed with tyre sealant
im
pairs the handling characteristics and is not
suitable for higher speeds. 
Adapt your driving style accordingly and
dr

ive carefully. 
Do not exceed the maximum speed limit
wit
h a tyre that has been repaired using
tyre sealant. 
Observe the maximum permissible speed of
80 km/h

for a tyre sealed with tyre sealant.
* NOTE S
taining from leaking tyre sealant Aser
use, e
xcess tyre sealant may leak out
from the Nlling hose. 
Therefore, place the Nlling hose in t
he
plastic bag that contained the TIREFIT
kit. +
ENVIRONMENTAL NOTE
En
vironmental
pollution caused by environmentally irre-
sponsible disposal Tyre sealant contains pollutants.

Have the tyre sealant bottle disposed of
pr
ofessionally, e.g. at a Mercedes-Benz
Service Centre. 
Stow the tyre sealant bottle and the tyre inOa-
tion com

pressor. 
Pull away immediately. 
Stop driving aser appr
oximately ten minutes
and check the tyre pressure using the tyre
inOation compressor.
The tyre pressure must now be at least
130 kPa (1.3 bar/19 psi). &
WARNING Risk of accident due t
o the
speciNed tyre pressure not being attained
If the speciNed tyr
e pressure is not reached,
the tyre is too badly damaged. The tyre seal-
ant cannot repair the tyre in this instance. The braking and driving characteristics may be
g

reatly impaired. 
Do not continue driving. 
Consult a q
ualiNed specialist workshop. Countries that have Mercedes-Benz Service24h:
y

ou will Nnd a sticker with the telephone number,
e.g. on the B!


To reduce the tyre pressure: pr ess pressure
release button 1 next to manometer 2.
When the tyre pressure is correct, unscrew
t
he Nlling hose from the valve of the sealed
tyre. 
Screw the valve cap onto the valve of the
sealed tyr
e. 
Pull the tyre sealant bottle out of the tyre inOa-
tion com

pressor.
The Nlling hose stays on the tyre sealant bot-
tle. 
Drive to the nearest q
ualiNed specialist work-
shop and have the tyre, tyre sealant bottle and
Nlling hose replaced there. Battery (vehicle)
Notes on the 12 V battery
&
WARNING Risk of e
xplosion due to elec-
trostatic charge
Electrostatic charge can ignite the highly
e
xplosive gas mixture in the battery. 
To discharge any electrostatic charge
t
hat may have built up, touch the metal
vehicle body before handling the battery. The highly
Oammable g
as mixture is created while
the battery is charging and during starting assis-
tance.
For safety reasons, Mercedes-Benz recommends
that you only use batteries which have been tes-
ted and approved for your vehicle by Mercedes-
Benz. &
WARNING Dang
er of chemical burns from
the battery acid
Battery acid is caustic. 
Avoid contact with the skin, eyes or
clo

thing. 
Do not lean over the battery. 
Do not inhale battery gases. 
Keep children away from the battery. 
Immediately rinse battery acid oM t
hor-
oughly with plenty of clean water and
seek medical attention immediately. +
ENVIRONMENTAL NOTE
En
vironmental
damage due to improper disposal of bat-
teries Batteries contain pollutants. It is
illeg

al to dispose of them with the household
rubbish. 
Dispose of batteries in an
en

vironmentally responsible manner.
Take discharged batteries to a qualiNed
specialist workshop or to a collection
point for used batteries. If you have to disconnect the 12 V battery, con-
t
act a qualiNed specialist workshop.
Comply with safety notes and take protective
measures when handling batteries. 360
Breakdown assistance

Risk of explosion.
Fire, naked
Oames and smoking ar e
prohibited when handling the battery.
Avoid creating sparks. Electrolyte or battery acid is corrosive.
A

void contact with the skin, eyes or
clothing. Wear suitable protective
clothing, in particular gloves, an apron
and a face mask. Immediately rinse
electrolyte or acid splashes oM with
clean water. Consult a doctor if neces-
sary. Wear safety glasses.
Keep children away. Observe this Owner's Manual.
If you do not intend to use the vehicle over an
e
xtended period of time:
= activate standby mode, or
= connect the battery to a battery charger
approved by Mercedes-Benz, or
= consult a qualiNed specialist workshop to dis-
connect the battery Notes on starting assistance and charging the 12
V batt

ery When charging the battery and during starting
assis
tance, always use the jump-start connection
point in the engine compartment.
* NOTE Damag
e to the battery due to over-
voltage When charging using a battery charger without
a maximum c
harging voltage, the battery or
the on-board electronics may be damaged. 
Only use battery chargers with a maxi-
mum c

harging voltage of 14.8 V. &
WARNING Risk of e
xplosion due to the
ignition of hydrogen gas
If there is a short circuit or sparks are created,
t
here is a danger of hydrogen gas igniting
when you charge the battery. 
Make sure that the POSITIVE terminal of
a connect

ed battery does not come into
contact with vehicle parts. 
Never place metal objects or tools on a
batt
ery. 
When connecting and disconnecting the
batt
ery, always observe the sequence of
battery terminals described. 
During starting assistance, always take
car

e to connect only battery terminals of
identical polarity. 
During starting assistance, observe the
seq
uence described for connecting and
disconnecting the jump leads. Breakdown assistance
361


Do not connect or disconnect the bat-
t
ery terminals with the engine running. &
WARNING Risk of e
xplosion due to explo-
sive mixture of gases
An explosive mixture of gases can escape
fr
om the battery during charging and starting
assistance. 
Fire, naked Oames, smoking and cr
eating
sparks must be avoided. 
Make sure there is adequate ventilation. 
Do not stand over the battery. &
WARNING Risk of e
xplosion from a frozen
battery
A discharged battery may freeze at tempera-
tur
es slightly above or below freezing point.
During starting assistance or battery charging,
battery gas can be released. 
Always allow a battery to thaw before
c
harging it or performing starting assis-
tance. If the indicator/warning lamps in the instrument
clus
ter do not light up at low temperatures, it is
very likely that the discharged battery has frozen.
In this case you may neither jump-start the vehi-
cle nor charge the battery.
The service life of a battery that has been thawed
may be dramatically shortened. The starting char-
acteristics may be impaired, especially at low
temperatures.
It is recommended that you have a thawed battery
checked at a qualiNed specialist workshop.
* NOTE Damag
e caused by numerous or
extended attempts to start the engine Numerous or extended attempts to start the
engine ma

y damage the catalytic converter
due to non-combusted fuel. 
Avoid numerous and extended attempts
t

o start the engine. Observe the following points during starting assis-
t
ance and when charging the battery:
= Only use undamaged jump lead/charging
cables with a suPcient cross-section and
insulated terminal clamps.
= Non-insulated parts of the terminal clamps
must not come into contact with other metal
parts while the jump lead/charging cable is
connected to the battery/jump-start connec-
tion point.
= The jump lead/charging cable must not come
into contact with any parts which may move
when the engine is running.
= Always make sure that neither you nor the bat-
tery is electrostatically charged.
= Keep away from Nre and naked Oames.
= Do not lean over the battery.
Observe the additional following points when
charging the battery:
= Only use battery chargers tested and
approved for Mercedes-Benz.
= Read the battery charger's operating instruc-
tions before charging the battery. 362
Breakdown assistance

Observe the additional following points during
s tarting assistance:
= For starting assistance, only use batteries with
a nominal voltage of 12 V.
= The vehicles must not touch.
= Petrol engine: only accept starting assistance
if the engine and exhaust system are cold. Starting assistance and charging the 12 V battery
Requirements:
Plug-in h

ybrid: in order to start, the vehicle
requires a suPcient charge level of the high-volt-
age battery as well as a suPcient power output of
the 12 V on-board electrical system.
= The vehicle is secured with the electric park-
ing brake.
= Automatic transmission: the transmission is in
position j.
= Manual transmission: the transmission is in
neutral.
= The vehicle and all electrical consumers are
switched oM. =
The bonne
t is open. 
Slide cover 1 of positiv
e clamp 2 on the
jump-starting connection point in the direction
of the arrow. 
Connect positive clamp 2 on y
our vehicle to
the positive pole of the donor battery using
the jump lead/charging cable. Always begin with positive clamp
2 on y
our own vehicle
Nrst. 
During starting assistance: s
tart the engine of
the donor vehicle and run at idle speed. 
Connect the negative pole of the donor bat-
t
ery and earth point 3 of your own vehicle by
using the jump lead/charging cable. Begin
with the donor battery Nrst. 
During starting assistance: s
tart the engine of
your own vehicle. 
During the charging process: s
tart the charg-
ing process. 
During starting assistance: le
t the engines run
for several minutes. 
During starting assistance: bef
ore disconnect-
ing the jump lead, switch on an electrical con-
sumer on your own vehicle, e.g. the rear win-
dow heater or lighting.
When the starting assistance/charging process is
com
plete: 
First, remove the jump lead/charging cable
fr
om earth point 3 and the negative pole of Breakdown assistance
363

the donor battery, then from positive clamp
2 and t
he positive pole of the donor battery.
Begin each time with the contacts on your
own vehicle Nrst. 
Aser r
emoving the jump lead/charging cable,
close cover 1 of positive clamp 2.
Plug-in hybrid: if y
our vehicle has been started
with starting assistance, it may not be possible to
use the electric drive for approximately 30
minutes.
Further information can be obtained at a qualiNed
specialist workshop. Replacing the 12 V battery

Observe the notes on the 12 V battery
( pag
e 360).
Mercedes-Benz recommends that you have the
12 V batt
ery replaced at a qualiNed specialist
workshop, e.g. at a Mercedes-Benz Service
Centre. Observe the following notes if you want to replace
t

he battery yourself:
= Always replace a faulty battery with a battery
which meets the speciNc vehicle require-
ments.
The vehicle is equipped with a Oeece battery.
Full vehicle functionality is only guaranteed
with a Oeece battery. For safety reasons,
Mercedes-Benz recommends that you only
use batteries which have been tested and
approved for your vehicle by Mercedes-Benz.
= Use detachable parts such as vent hoses,
elbow Nttings or terminal covers from the bat-
tery which is to be replaced.
= Make sure that the vent hose is always con-
nected to the original opening on the side of
the battery.
Fit any existing or supplied cell caps.
Otherwise, gases or battery acid could
escape.
= Make sure that detachable parts are recon-
nected in the same way. Tow-starting or towing away
Overview of permissible towing methods (not
plug-in h

ybrid) Mercedes-Benz recommends transporting your
v
ehicle in the case of a breakdown, rather than
towing it away.
For towing, use a tow rope or tow bar with both
axles on the ground. Do not use tow bar systems. &
WARNING Risk of accident when t
owing
with steering wheel lock
If the steering wheel lock is engaged, you will
no
t be able to steer the vehicle. 
When towing with a tow rope or tow bar,
alw

ays switch on the vehicle. *
NOTE Damag
e to the vehicle due to tow-
ing away incorrectly 
Observe the instructions and notes on
t

owing away. 364
Breakdown assistance

Permitted towing methods
Vehicle equipment/towing method
Both axles on the ground Front axle raised Rear axle raised
Vehicles with manual transmission Yes, maximum 50 km at 50 km/h Yes, maximum 50 km at 50 km/h Yes, maximum 50 km at 50 km/h
Vehicles with automatic transmis-
sion Yes, maximum 50 km at 50 km/h Yes, maximum 50 km at 50 km/h Yes, maximum 50 km at 50 km/h
4MATIC vehicles Yes, maximum 50 km at 50 km/h No NoTowing with a raised axle:
t owing should be per-
formed by a towing company. Overview of permitted towing methods (plug-in
h

ybrid) Mercedes-Benz recommends transporting your
v
ehicle in the case of a breakdown, rather than
towing it away. For towing, use a tow rope or tow bar with both
axles on t

he ground. Do not use tow bar systems.
* NOTE Damag
e to the vehicle due to tow-
ing away incorrectly 
Observe the instructions and notes on
t

owing away. Observe the information on towing and transport-
ing t

he vehicle in the vehicle Owner's Manual. Breakdown assistance
365

Permitted towing methods
Vehicle equipment/towing method
Both axles on the ground Front axle raised Rear axle raised
Plug-in hybrid vehicles Yes, maximum 50 km at 50 km/h Yes, maximum 50 km at 50 km/h Yes, maximum 50 km at 50 km/h
The steering wheel must be Nxed in
the centre position with a steering
wheel lock. In the following situations, only transporting the
v
ehicle is permitted:
= the multifunction display is not working
or
= the

%
Vehicles with automatic transmission: if t he
transmission cannot be shised to position i
or if the display does not show anything,
transport the vehicle ( page 368). A towing
vehicle with lising equipment is required for
vehicle transportation.
* NOTE Damag
e due to towing away at
excessively high speeds or over long dis-
tances The drivetrain could be damaged when towing
at e
xcessively high speeds or over long distan-
ces. 
A towing speed of 50 km/h must not be
e

xceeded. 
A towing distance of 50 km must not be
e

xceeded. &
WARNING Risk of accident when t
owing a
vehicle which is too heavy
If the vehicle to be tow-started or towed away
is hea
vier than the permissible gross mass of
your vehicle, the following situations can
occur:
= the towing eye may become detached.
= the vehicle/trailer combination may
swerve or overturn. 
Before tow-starting or towing away,
c

heck if the vehicle to be tow-started or
towed away exceeds the permissible
gross mass. If a vehicle must be tow-started or towed away, its
per

missible gross mass must not exceed the per-
missible gross mass of the towing vehicle. 
Information on the permissible gross mass of
t

he vehicle can be found on the vehicle identi-
Ncation plate ( page 397). 
Vehicles with automatic transmission: do no
t
open the driver's door or front passenger door; the transmission otherwise automati-
call

y shiss to position j. 
Fit the towing eye ( pag
e 369). 
Fasten the towing device.
* NOTE Damag
e due to incorrect connec-
tion of the tow bar 
Only connect the tow rope or tow bar to
t
he towing eyes. 
Deactivate the automatic locking mechanism
( pag

e 90). 
Do not activate the HOLD function. 
Deactivate tow-away protection
( pag

e 103). 
Deactivate Active Brake Assist ( pag
e 248). 
Vehicles with automatic transmission: shis t
o
position i. 
Vehicles with manual transmission: shis t
o
neutral. 
Release the electric parking brake. Breakdown assistance
367