service indicator MERCEDES-BENZ A-CLASS HATCHBACK 2021 Owners Manual

ity
for high-voltage charging of your vehi-
cle. Pur chase these parts at a Mercedes-
Benz Service Centre and obtain advice
th ere. #
Check the setting of the maximum
ch arge cur rent using thech arging capa-
city shown in the Instrument Displa y.Before
charging at a mains soc ket, ha vethe maxi-
mum permissible charging cur rent forth ere leva nt
mains soc ket or the building inspected byaqu ali-
/ed elect rician. The charging cable supplied is set
to a countr y-speci/c maximum charging cur rent
va lue. When charging abroad, the maximum value
may exceed the permitted value forth at countr y.
When abroad, obser vethe count ry-speci/c la ws
when charging. If you ha vequestions concerning
setting thech arging cur rent or if there is a mal-
function, please contact a quali/ed specialist
wo rkshop. #
Set the maximum permissible charging cur-
re nt in the multimedia system menu
(/ page 298). If
th eex act value of the maximum permissible
ch arging cur rent cannot be set, select the next
smaller adjustable value.
% Ifth eve hicle requ ires more time than usual to
ch arge the high-voltage batter y,ch eck the
maximum charging cur rent settings in the
multimedia system menu. Ov Ov
er
ervie
vie w of t
w of t he c
he char
harging cable contr
ging cable contr ol panel
ol panel The
charging cable cont rol panel sho ws the cur-
re nt status of thech arging process. 1
Supply voltage indicator
2 Charging process indicator 3
Temp erature monitor indicator
4 Safety sy stem indicator
Suppl
Suppl y v
y volt
oltag
age indicat
e indicat or
or1
1 Display
Display
Meaning
Meaning
Lights up whit eThe supplyvoltage is
connected. Char
Char
ging pr
ging pr ocess indicat
ocess indicat or
or2
2 Display Display
Meaning Meaning
Flashes green The high-voltage bat-
tery isch arging. 200
200
Driving and parking

7
Coolant temp erature display
During normal operation, the coolant temp er-
ature display is permitted torise to120°C.
8 Selected drive prog ram
9 Selected transmission position
A Centre display area of the inst rument display
(e xamp le: standard display for trip): Assis-
ta nce / Telephone / Navigation / Trip /
Media / Radio / Styles and displa ys /
Service / Powe r me ter (equipment-depend-
ent)
B Fuel le vel, fuel /ller 0ap location indicator,
ra nge Ov
Ov
er
ervie
vie w of butt
w of butt ons on t
ons on the st
he steer
eering wheel
ing wheel 1
P Back/Home button (p ress and hold),
on-board computer
2 Touch Control, on-board computer
3 Control panel for cruise control/limiter or
Ac tive Distance Assist DISTRONIC
4 Control panel forth e MBUX multimedia sys-
te m (/ page 287) £
LINGU ATRO NIC
5 ò Tocall up the home screen of the multi-
media system
6 Touch Control multimedia system
7 % Back button (multimedia system)
8 Brightness control toadjust the lighting in the
Instrument Displ ayand in the control ele-
ments of theve hicle interior Oper
Oper
ating t
ating t he on-boar
he on-boar d com
d comput
puter
er
Obser vethe legal requ irements forth e country in
which you are cur rently driving when ope rating
th e on-board computer. Instrument display and on-board computer
279
279

The
following entries can be made, forex ample:
R Town, st reet, house number
R Street,to wn
R Postcode
R POI name or POI ca tegor y,e.g. Parking
R Contact name #
Select a sear chresult in list 3. #
Calculate thero ute (/ page 303).
% You can /nd fur ther information about desti-
nation entr y,e.g. 3 wordaddresses, in the
Digital Owner's Manual.
Changing country
Changing country #
Select the country indicator in 1.#
Enter the country indicator. #
Select the country in 3.
Using online sear ch
Using online sear ch
% Requirements: the media display sho wsan
Internet connection in the status line with the
Q symbol. Destination ent
ryuses online map services. If the
on-board sear ch/nds no sui table destinations or
if yo uch ange countries, the online sear chisavail-
able.
Fo rth e destination you can enter an address, a
POI or a thre e-word address. #
Enter the destination in input line 2.
The sear chresults are displa yed. #
Select the destination in the list.
The de tailed view forth ero ute is displa yed.
or #
Select country indicator 1. #
Select the pr ovider forth e online service from
th e countries list. #
Enter the destination in input line 2. #
Select the destination in the list. Calculating a r Calculating a r
out
out e and using se
e and using se ttings f
ttings for r
or route
oute
guidance
guidance R
R
eq
eq uir
uir ements:
ements:
R The destination has been entered.
R The destination address is shown. Multimedia system:
4 © 5
Navigation 1
¥ Noroute yet.
¦ Aro ute has been mapped. #
Select ¥.
The route tothe destination is calculated.
Ro ute guidance begins.
or #
Select ¦. #
Select Set as intermediate dest..
The destination address is set as the next
intermediate destination. MBUX multimedia system
303
303

This will contact
youto con/rm the appoint-
ment and if necessary consult about the
de tails.
% Ifyo u select LateraTerthe service message
appears, the message is hidden and reap-
pears at a later time.
Giving consent t
Giving consent t o dat
o data tr
a transf
ansf er dur
er dur ing a Mer
ing a Mer cedes
cedes
me call
me call
R R eq
eq uir
uir ements:
ements:
R There is an active Mercedes me call via the
multimedia system or the me button in the
ove rhead control panel (/ page 311).
% The prom pttocon/rm data transfer does not
appear in all count ries.
If th eAc cident and Breakdown Management ser v-
ices are not activated on Mercedes me, theDo
you want to transmit vehicle data and the vehi-
cle's position to the Mercedes-Benz Customer
Centre in order to improve the processing of
your request? message is shown.#
Select Yes.
Re leva nt identi/cation data is transmitted
automaticall y. More information on Mercedes me: https://
ww w.mercedes.me
T
T r ransf
ansf err
erred dat
ed dat a dur
a during a Mer
ing a Mer cedes me call
cedes me call
When you make a service call via Mercedes me,
data is transmitted. This enables targ eted advice
and a smoo thservice.
The following requ irements must be ful/lled for
th e transfer of the data:
R The vehicle is switched on.
R The required da tatransfer tech nology is sup-
por tedby the mobile phone network pr ovider.
R The quality of the mobile connection is su1-
cient.
Multi-s tage transfer depends on thefo llowing fac-
to rs:
R Reason forth e initiation of the call
R The available mobile phone transmission tech-
nology.
R The activated Mercedes me connect services.
R The service selected in thevo ice control sys-
te m. %
A prom ptfor consent tothe data transmission
only occurs if the cor responding Mercedes
me connect service is not activated.
Dat
Dat a tr
a transf
ansf er if Mer
er if Mer cedes me connect ser
cedes me connect ser vices
vices
ar
ar e no
e no t activ
t activ at
ated
ed
If no Mercedes me connect services are activated
and the data pr otection prom pthas been con-
/rmed thefo llowing data is transmitted:
R Vehicle identi/cation number
R Time of the call
R Reason forth e initiation of the call
R Con/ rmation of the data pr otection prompt
R Country indicator of theve hicle
R Set language forth e multimedia system
R Telephone number of the communication plat-
fo rm installed in theve hicle
If a call is made for a service appointment via the
service reminder, thefo llowing data is also trans-
mitted:
R Current mileage and maintenance data 314
314
MBUX multimedia system

If a call is made aTer automatic accident or break-
down de
tection using the multimedia system, the
fo llowing data is also transmitted:
R Current mileage and maintenance data
R Current vehicle location
If Ac cident and Breakdown Management is called
via thevo ice control system and no service has
been activated, but the data pr otection query has
been con/ rmed, thefo llowing data can also be
called up from theve hicle bythe Mercedes-Benz
Customer Centre:
R Current vehicle location
If th e data pr otection prom pthas been rejec ted,
th efo llowing data is transmitted toenable targe-
te d advice and an e1cient service:
R Reason forth e initiation of the call
R Rejection of the data pr otection prompt
R Country indicator of theve hicle
R Set language forth e multimedia system
R Telephone number of the communication plat-
fo rm installed in theve hicle Dat
Dat a tr a transf
ansf er if Mer
er if Mer cedes me connect ser
cedes me connect ser vices
vices
ar
ar e activ
e activ at
ated
ed
Only if there specti veservice is activated will
additional incident-speci/c data be transmit ted in
th e second stage toenable an optimal service.
An ove rview of the data transmitted can be found
in there specti veterm s of use for Mercedes me
connect services. These can be obtained in the
Mercedes me por tal: https://
me.secure.mercedes-benz.com
Dat Dat a pr
a pr ocessing
ocessing
The data transmitted within the scope of the call
is dele ted from the processing system aTer the
call is /nished, in so far as this data is not being
used forot her activated Mercedes me connect
services.
The incident-speci/c data is processed and stored
in the Mercedes-Benz Customer Centre and, if
re qu ired toprocess the incident, forw arded tothe
service partner authorised bythe Mercedes-Benz
Customer Centre. Please take note of the data
pr otection information on the Mercedes me Inter-
net page https://www.mercedes.me or in there
corded message immediately aTer calling the
Mercedes-Benz Customer Centre.
% The recorded message is not available in
ev ery countr y. Mer Mer
cedes me connect
cedes me connect Inf
Inf
or
ormation on Mer
mation on Mer cedes me connect
cedes me connect
% Mercedes me connect or individual Mercedes
me connect services are not available in every
countr y.Find out at a Mercedes-Benz service
centre if these functions are available in your
countr y.
Mercedes me connect consists of multiple ser v-
ices.
Yo u can use thefo llowing services via the multi-
media system and theove rhead control panel, for
ex ample:
R Accident and Breakdown Management (me
button or situation-dependent display in the
multimedia system)
R Mercedes-Benz emer gency call system (auto-
matic eme rgency call and SOS button) MBUX multimedia system
315 315

connection is es
tablished with the emer gency
call centre ope rator.
R Based on the call, the operator decides
whe ther it is necessary tocall rescue teams
and/or the police tothe accident site.
If th e Mercedes-Benz emer gency call system can-
not connect tothe Mercedes-Benz emer gency
call centre, the emer gency call is automatically
sent tothe public emer gency services call centre.
If no connection can be made tothe public emer-
ge ncy services, a cor responding message
appears in the media displa y.#
Dial the emer gency number 112 112onyour
mobile phone.
Ending an unint
Ending an unint entionall
entionally tr
y trigg
igger
ered manual
ed manual
Mer
Mer cedes-Benz emerg
cedes-Benz emerg ency call
ency call#
Using t
Using t he multifunction st
he multifunction st eer
eering wheel:
ing wheel: select
~. Dat
Dat
a tr
a transf
ansf er of t
er of t he Mer
he Mer cedes-Benz emerg
cedes-Benz emerg ency
ency
call syst
call syst em
em In
theev ent of an automatic or manual emer gency
call thefo llowing data is transmitted, forex ample:
R Vehicle's GPS position data
R GPS position data on thero ute (a fewhund red
metres before the incident)
R Direction of tr avel
R Vehicle identi/cation number
R Vehicle drive type
R Number of people de term ined tobe in the
ve hicle
R Whe ther Mercedes me connect is available or
not
R Whe ther the emer gency call was initiated
manually or automatically
R Time of the accident
R Language setting on the multimedia system Fo
r accident clari/cation purposes, thefo llowing
measures can be take n up toan hour aTer the
emer gency call has been initia ted:
R The cur rent vehicle position can be de ter-
mined.
R Avo ice connection totheve hicle occupants
can be es tablished.
% ForRu ssia: various functions, e.g. receiving
tra1c information, cann otbe per form ed for
up totwo hours aTer sending an emer gency
call. Self diagnosis function of t
Self diagnosis function of t
he emerg
he emerg ency call sy
ency call sy s-
s-
t
t em
em Yo
ur car veri/es the operability of the emer gency
call system each time theve hicle is ON. In case of
system failure, you will be informed with text mes-
sage on the inst rument clus ter and with red indi-
cator SOS NOT READY on the displa y.
Please, ma kesure, that during 30 seconds aTer
switching vehicle ON there d indicator SOS NOT
READY in the upper right corner of display is 322
322
MBUX multimedia system

#
Obser vethe sequence described for
connecting and disconnecting the jump
leads when receiving starting assistance. #
Do not connect or disconnect the bat-
te ry term inals while the engine is run-
ning. &
W
WARNI NG
ARNI NGRisk of explosion due toexplo-
sive mixture of gases
An explosive mixture of gases can escape
from the battery during charging and starting
assis tance. #
Fire , naked 0ames, smoking and creating
spar ksmust be avoided. #
Make sure there is adequate ventilation. #
Do not stand overth e batter y. &
W
WARNI NG
ARNI NGRisk of explosion from a frozen
battery
A dischar ged battery may freeze at temp era-
tures slightly abo veor below freezing point. During starting assistance or battery
charging,
battery gas can be released. #
Always allow a battery tothaw before
ch arging it or per form ing starting assis-
ta nce. If
th e indicator/warning lamps in the instrument
cluster do not light up at low temp eratures, it is
ve ry likely that the dischar ged battery has frozen.
In this case you may neither jump-start theve hi-
cle nor charge the batter y.
The service life of a bat tery that has been thawed
may be dramatically shor tened. The starting char-
acteristics may be impaired, especially at low
te mp eratures.
It is recommended that you ha veath awe d battery
ch ecked at a quali/ed specialist workshop.
* N
NO OTE
TE Damage caused bynume rous or
ex tended attem ptsto start the engine Numerous or
extended attem ptsto start the
engine may damage the catalytic con verter
due tonon-combusted fuel. #
Avoid numerous and extended attem pts
to start the engine. Obser
vethefo llowing points during starting assis-
ta nce and when charging the batter y:
R Only use undamaged jump lead/charging
cables with a su1cient cross-section and
insulated term inal clamps.
R Non-insulated parts of thete rm inal clamps
must not come into contact with other me tal
parts while the jump lead/charging cable is
connected tothe battery/jump-start connec-
tion point.
R The jump lead/charging cable must not come
into contact with any parts which may mo ve
when the engine is running.
R Always make sure that nei ther you nor the bat-
te ry is electros tatically charge d.
R Keep awa y from /re and naked 0ames.
R Do not lean overth e batter y. 356 356
Breakdown assistance

The tyre pressure loss
warning system is only an
aid. It is the driver's responsibility toset the tyre
pressure tothere commended cold tyre pressure
suitable forth e operating situation and tocheck
it.
Be sure toalso obser vethefo llowing fur ther rela-
te d subjects:
R Notes on tyre pressure (/ page 369)
R Displ aymessages about the tyres
(/ page 466)
R
R est est ar
arting t
ting t he tyr
he tyr e pr
e pressur
essur e loss w
e loss w ar
arning syst
ning syst em
em
R
R eq
eq uir
uir ements:
ements:
R The recommended tyre pressure is cor rectly
set forth ere specti veoperating status on all
wheels.
Re start the tyre pressure loss warning system in
th efo llowing situations:
R The tyre pressure has changed.
R The wheels or tyres ha vebeen changed or
ne wly /tted. On-board computer:
4 Service 5
Tyres #
Swipe down wards on Touch Control on the
leT-hand side of the steering wheel.
The Run Flat Indicator active Restart mes-
sage is shown in the displa y. #
Tobegin restart, press Touch Control on the
leT-hand side of the steering wheel.
The Tyre pressure now OK? message is
shown in the displa y. #
Select Yes. #
Tocon/rm restart, press Touch Control on the
leT-hand side of the steering wheel.
The Run Flat Indicator restarted message is
shown in the displa y.
ATer you ha vedriven for a few minutes, the
tyre pressure loss warning system monitors
th e set tyre pressures of all the tyres.
Be sure toalso pay attention tothefo llowing rela-
te dto pic:
R Notes on tyre pressure (/ page 369) Wheel c
Wheel c
hange
hange N
No
ot
tes on selecting,
es on selecting, /tting
/ttingand r
and replacing tyr
eplacing tyr es
es *
N
NOOTE
TE Mercedes-AMG vehicles #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. &
W
WARNING
ARNING Risk of accident due toincor-
re ct wheel and tyre dimensions
If wheels and tyres of the wrong size are /t ted,
th e service brakes or components in the brake
system and in the wheel suspension may be
damaged. #
Alwaysre place wheels and tyres with
th ose that ful/l the speci/cations of the
original part.
Fo r wheels, pay attention tothefo llowing:
R Designation
R Type Wheels and tyres
373
373

Displa
Displa
y messag
y messag es
es Intr
Intr
oduction
oduction Inf
Inf
or
ormation about displa
mation about displa y messag
y messages
es
Display messages appear on the inst rument dis-
pla y.
Display messages with graphic symbols are sim-
pli/ed in the Owner's Manual and may di.er from
th e symbols on the inst rument displa y.The instru-
ment display sh ows high-priority display messages
in red. Cer tain display message s are accompa-
nied byawa rning tone.
Please act in accordance with the display mes-
sages and follow the additional no tes in the Own-
er's Manual.
Fo r some display messages, symbols will also be
shown:
R Õ Further information
R ¨ Hide displ aymessage
Wi th th e leT-hand Touch Control, you can select
th ere specti vesymbol byswiping tothe leT or
ri ght. Pressing Õdispla ysfur ther information on th
e media displa y.Press the¨ symbol tohide
th e display message.
Yo u can hide lo w-priority display messages by
pressing the back button Porthe leT-hand
To uch Control. The display message s willthen be
stored in the message memor y.
Re ctify the cause of a display message as quickly
as possible.
High-priority display message s cannotbe hidden.
The instrument display will show these display
messages permanently until the cause of the dis-
play message has been recti/ed.
Calling up sav
Calling up sav ed displa ed display messag
y messag es
es
On-board computer:
4 Service 5
1 message
If th ere are no display messages, No messages
will appear on the inst rument displa y. #
Scroll thro ugh the display messages byswip-
ing upwards or down wards on the leT-hand
To uch Control. #
T
To e
o e xit t
xit t he messag
he messag e memory
e memory:
:press the back
button P. Display messages and
warning/indicator lamps
409
409

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Request service personnel from the operator of thech arging station via the emer gency call button attached tothe
ch arging station or the emer gency call numbers.
Vehicle not currently being
charged Charging station
fault *A
malfunction has occur red in thech arging station or the RFID card is not recognised. #
Start thech arging process at a di.erent charging station.
or #
Have the RFID card checkedto ensure it is functioning.
Charging method currently
unavailable Please try
again or change charging
method *A
temp orary malfunction has occur red in thech arging station. #
Wait until the malfunction has passed.
or #
Start thech arging process at a di.erent charging station.
Charging fault Please
change charging method
See Owner's Manual *A
temp orary malfunction has occur red in thech arging station. #
Wait until the malfunction has passed.
or #
Start thech arging process at a di.erent charging station.
Only electric drive availa-
ble Power limited *T
he fuel tank is em pty and the combustion engine is switched o.. The output of your vehicle is limi ted because you
are driving in elect ric mode. 424 424
Display messages and
warning/indicator lamps