2021 MERCEDES-BENZ A-CLASS SALOON phone

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 316
316
MBUX multimedia system

Symbol
Symbol
DesignationF
Designation Function
unction
Z SettingsS electtomake settings.
© HomeSelecttoreturn tothe home screen.
j MessagingSelecttocall up messaging.
2 Full screen Selecttoswitch tofull sc reen mode. The
following functions and settings are available
in the media menu:
R Connecting extern al data storage media with
th e multimedia system (e.g. using USB or
Blue tooth ®
)
R Playing ba ckaudio or video /les
R Streaming online music A
A
ut
ut hor
hor ising a Blu et
ising a Bluet ooth
oo th®
®
audio de
audio de vice f
vice for media
or media
pla
pla yback
yback R
R
eq
eq uir
uir ements:
ements:
R Bluetoo th®
is activated on the multimedia sys-
te m and audio equipment.
R The audio equipment supports the Blue tooth ®
audio pro/les A2DP and AVRC P.
R The audio equipment is "visible" forot her devi-
ces. Multimedia system:
4 © 5
Media 5
Bluetooth 5
ª
Wi th Blue tooth ®
audio, you can play back music
/les from an extern al data storage medium, e.g.
yo ur smartphone, using the MBUX multimedia
system. #
Toplay back audio /les using the multimedia
system, authorise theex tern al data storage
medium on the MBUX multimedia system.
A
A ut
ut hor
hor ising a ne
ising a ne w Bluet
w Bluetooth
oo th®
®
audio de
audio de vice
vice #
Select Connect new device . MBUX multimedia system
319
319

#
Select an audio device.
Authorisation starts. A code is displa yed on
th e multimedia system and on the mobile
phone. #
Ifth e codes are identical, con/ rmonthe
audio equipment. #
Select Only as Bluetooth audio device .
The Blu etoo th®
audio equipment is connected
with the multimedia system.
Connecting pre
Connecting pre viousl viously aut
y author
horised Bluet
ised Bluet ooth
oo th®
®
audio eq
audio eq uipment
uipment #
Select a Blu etoo th®
audio device from the list.
The connection is being established. Ov
Ov
er
ervie
vie w of t
w of t he symbols and functions in t
he symbols and functions in t he r
he radio menu
adio menu Symbol
Symbol
DesignationF
Designation Function
unction
© HomeSelecttoreturn tothe home screen.
j MessagingSelecttocall up messaging.
û/ü Skipforw ards/bac kS electtoskip tothe next or tothe pr evious station. 320
320
MBUX multimedia system

Depending on
the countr y,data volume may
need tobe pur chased.
R Afast In tern et connection for data transmis-
sion free of inter fere nce.
% Data volume can be pur chased dir directl
ectl y fr
y from
om
a mobile phone ne
a mobile phone ne tw
twor
ork pro
k pro vider
vider viathe
Mercedes me Portal.
% The functions and services are countr y-
dependent. For more information, consult a
Mercedes-Benz service centre.
Multimedia system: 4 © 5
Radio #
Select TuneIn Radio .
The TuneIn menu appears. The last station set
starts playing.
% The connection quality depends on the local
mobile phone reception. Sound se
Sound se
ttings
ttings Ov
Ov
er
ervie
vie w of functions in t
w of functions in t he sound menu
he sound menu The setting options and functions
available
depend on the sound system /t ted. You can /nd out which sound system is /t
tedinyour vehicle in
th e Digital Owner's Manual.
S
S t
tandar
andar d sound syst
d sound syst em and A
em and Adv
dvanced sound sy
anced sound sy s-
s-
t
t em
em
The following functions are available:
R Equaliser
- Treble, mid-range and bass
R Balance and fader
R Volume
- Automatic adjustment
Bur
Bur mest
mest er
er®
®
surr
surr ound sound syst
ound sound syst em and
em and
Bur
Bur mest
mest er
er ®
®
high-end 3D surr
high-end 3D surr ound sound syst
ound sound system
em
The following functions are available:
R Equalise r:
- Treble, mid-range and bass
R Balance and fader
R Sound focus
R VIP seat (Burmes ter®
high-end 3D sur round
sound system only)
R Sound pro/les R
Volume:
- Automatic adjustment MBUX multimedia system
323
323

#
Adapt your driving style accordingly and
drive carefull y. #
Do not exceed the maximum speed limit
with a tyre that has been repaired using
tyre sealant. #
Obser vethe maximum permissible speed for a
tyre sealed with tyre sealant 80 km/h. #
The stic ker with de tails of the maximum per-
missible speed must be a1xed tothe inst ru-
ment clus ter where it can be easily seen by
th e driver.
* N
NO OTE
TE Staining from leaking tyre sealant ATer use,
excess tyre sealant may leak out
from the /lling hose. #
Therefore, place the /lling hose in the
plastic bag that contained the TIREFIT
kit. +
ENVIR
ENVIR
ONMENT
ONMENT AL NO
AL NOTE
TEEnvironmental
pollution caused byenvironmentally ir re-
sponsible disposal Ty
re sealant contains pollu tants. #
Have the tyre sealant bottle disposed of
professionall y,e.g. at a Mercedes-Benz
Service Centre. #
Stow the tyre sealant bottle, the tyre in0ation
compressor and thewa rning triangle. #
Pull awa
Pull away immediat
y immediat ely.
el y. #
Stop driving aTer appr oximately ten minutes
and check the tyre pressure using the tyre
in0ation compressor.
The tyre pressure must now be at least
130 kPa (1.3 bar/19 psi). &
W WARNING
ARNING Risk of accident due tothe
speci/ed tyre pressure not being attained
If th e speci/ed tyre pressure is not reached,
th e tyre is too badly damaged. The tyre seal-
ant cannot repair the tyre in this instance. The braking and driving
characteristics may be
gr eatly impaired. #
Do not continue driving. #
Consult a quali/ed specialist workshop. Countr
Countr
ies t
ies that hav
hat hav e Mer
e Mer cedes-Benz Ser
cedes-Benz Ser vice24h:
vice24h:
yo u will /nd a stic ker with thete lephone number,
e.g. on the B‑pillar on the driver's side. #
Correct the tyre pressure if it is still at least
130 kPa (1.3 bar/19 psi). See the tyre pres-
sure table on the fuel /ller 0ap forva lues.
Incr
Incr easing t
easing t he tyr
he tyre pr
e pressure
essure #
Switch on the tyre in0ation compressor.
Decr
Decr easing t
easing t he tyr
he tyre pr
e pressure
essure #
Remo vethe tyre sealant bottle from the tyre
in0ation compressor. #
Insert the /ller hose in the soc ket of the tyre
in0ation compressor and turn it a quarter turn
clockwise. 348
348
Breakdown assistance

F
F
r
req
eq uency band and maximum tr
uency band and maximum tr ansmission out-
ansmission out-
put
put F
F
r
req
eq uency band
uency band Maximum tr
Maximum transmis-
ansmis-
sion output
sion output
Short wave
3 - 54 MHz 100 W
4 m frequency band
74 - 88 MHz 30 W
2 m frequency band
144 - 174 MHz 50 W
Te rrestrial Trunked
Ra dio (TETRA)
380 - 460 MHz 10 W
70 cm frequency band
420 - 450 MHz 35 W
Tw o-w ayradio
(2G/3G/4G) 10 W The
following can be used in theve hicle without
re strictions:
R two- wayra dios with a maximum transmission
output of up to100 mW
R RF transmitters with transmitter frequencies in
th e 380 - 410 MHz frequency band and a
maximum transmission output of up to2 W
(TETRA)
R mobile phones (2G/3G/4G)
There are no restrictions when positioning the
aerial on the outside of theve hicle forth efo llo w-
ing frequency bands:
R Terrestrial Trunked Radio (TETRA)
R 70 cm frequency band
R 2G/3G/4G R R
egulat
egulat or
ory r
y r adio
adio identi/cation
identi/cation and not
and notes
es R
R egulat
egulat or
ory r
y r adio
adio identi/cation
identi/cation of small com
of small compo-
po-
nents
nents Manufacturer information about
radio-based vehi-
cle components can be found using thekey
phrase "Regulatory radio identi/cation" in the Dig- ital Owner's Manual in
theve hicle, on the internet
and in the app. R
R
egulat
egulat or
ory r
y r adio
adio identi/cation
identi/cation – Indonesia
– Indonesia Manufacturer information about
radio-based vehi-
cle components can be found using thekey
phrase "Regulatory radio identi/cation – Indone-
sia" in the Digital Operator's Manual in theve hi-
cle, on the internet and in the app.
% These are not small components. Information
about small components can be found using
th eke y phrase "Regulatory radio identi/cation
of small components". F F
urt
urt her
her com
com ponent-speci/c
ponent-speci/c inf
infor
ormation
mation Fu
rther component-speci/c information can be
fo und using theke y phrase "fur ther component-
speci/c information" in the Digital Owner's Man-
ual in theve hicle, on the internet and in the app. Te
ch nical data
383
383

Overview.................................................
.52
PA SSENGER AIR BAG indicator la mps...... 57
Pr otection................................................ 53
Re duced pr otection.................................. 55
Side airbag.............................................. 52
Wi ndow airbag......................................... 52
Air0 ow
Air0ow
Setting................................................... 147
Alar Alar m syst m syst em
em
see ATA (anti-theT alarm system)
All-wheel dr
All-wheel dr ive
ive
see 4M ATIC
Ambient lighting
Ambient lighting Setting (MBUX multimedia system)........ .138
Andr
Andr oid A
oid A uto
uto
see Smartphone integ ration
Animals
Animals Pets in theve hicle.................................... 80
Anti-loc
Anti-loc k br
k braking syst
aking syst em
em
see ABS (Anti-lock Braking System)
Anti-skid c
Anti-skid c hains
hains
see Sn owchains Anti-t
Anti-theT
heTprot
pr otection
ection
Ad ditional door loc k................................. 86
Immobiliser............................................ 101
Anti-t
Anti-theT heTprot
pr otection
ection
see ATA (anti-theT alarm system)
Anticipat
Anticipat or
ory occupant pr ot
y occupant pr otection
ection
see PRE-SAFE ®
(anticipatory occu-
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Apple CarPlay
Apple CarPlay ®
®
see Smartphone integ ration
Assist Assist ance syst ance syst ems
ems
see Driving saf ety sy stem
ASS YS
ASS YST PL
T PL US
US
Battery disconnection period s................ 325
Displaying the service due dat e.............. 324
Fu nction/no tes...................................... 324
Re gular maintenance work..................... 324
Special service requ irements................. 324
AT
ATA A(anti-t
(anti-theT heTalar
alarm syst
m syst em)
em)
Deactivating the alarm........................... 102
Fu nction................................................ 101
Interior pr otection function.....................1 03Priming/deactivating interior pr
otec-
tion........................................................ 103
Priming/deactivating tow- awa y pro-
te ction................................................... 102
To w- awa y protection function................. 102
A
A TTENTION ASSIST TTENTION ASSIST
Function................................................ 221
Setting.................................................. .223
System limitations.................................. 221
A A tt tt ention assist
ention assist ant
ant
see ATTENTION ASSIST
A
A ut
ut hor
hor ised w
ised w ork
orkshop
shop
see Quali/ed specialist workshop
A
A ut
ut omatic car w
omatic car w ash mode
ash mode
Ac tivating............................................... 333
A
A ut
ut omatic co-dr
omatic co-dr iv
iver airbag
er airbag shut
shuto.
o.
Fu nction of co-driver airbag shuto........... 56
A
A ut
ut omatic dist
omatic dist ance contr
ance control
ol
see Active Distance Assist DISTRONIC
A
A ut
ut omatic dr
omatic dr iving lights
iving lights ................................ 131
A
A ut
ut omatic engine st
omatic engine st art
art
see ECO start/stop function 486
486
Index

To
pping up............................................ .328
ERA
ERA -GL
-GLON
ONASS tASS t es
est modet mode
St arting/ending.................................... .317
Err
Err or message
or message
see Display message
ESC (Electr
ESC (Electr onicSt
onic Stability Contr
ability Contr ol)
ol)
see ESP ®
(Elect ronic Stability Prog ram)
ESP
ESP ®
®
Crosswind Assis t.................................... 217
Tr ailer stabilisatio n................................. 217
ESP
ESP ®
®
(Electr
(Electronic St
onic Stability Pr
ability Pr ogr
ogram)
am)
Ac tivating/deactivating.......................... 218
Fu nction/no tes...................................... 216
EU type appr ov
EU type appr oval number
al number ............................. 384
Ext
Ext er
erior lighting
ior lighting
Care..................................................... .336
Ext
Ext er
erior lighting
ior lighting
see Lights F
F
F
F atigue det
atigue det ection
ection
see ATTENTION ASSIST F
F
ir
ir e e
e e xtinguisher
xtinguisher.......................................... 341
F
F irs
irst-aid kit t-aid kit (soT
(soTsided)
sided)................................. 341
Flat to
Flat towing
wing
see Tow- bar system
Flat tyre
Flat tyre MOExtended tyres................................. 342
No tes..................................................... 342
TIREFIT kit.............................................. 344
Wheel chang e........................................ 373
Floor mats
Floor mats................................................... 129
F F oil cov
oil cov er
ering
ing
Ra dar and ultrasonic sensor s................. 214
Fr
Fr ee
ee soTw
soTw are
are................................................. 45
Fr
Fr eq
eq uencies
uencies
Mobile phone......................................... 382
Tw o-w ayradio........................................ 382
Fr
Fr ont airbag (dr
ont airbag (dr iv
iver
er , fr
, fr ont passeng
ont passeng er)
er).............. 52
Fr
Fr ont passeng
ont passeng er seat
er seat
see Seat
Fr
Fr ont wheel ar ch
ont wheel ar ch
Fi tting/removing the co ver..................... 140 F
F
r
ront wheel arc
ont wheel arc h cov
h cover
er
Fi tting/removing.................................... 140
F
F uel
uel
Additives................................................ 388
Diesel.................................................... 388
E10........................................................ 387
Fu elreser ve........................................... 389
Low outside temp eratures...................... 388
Pe trol..................................................... 387
Quality (diesel )....................................... 388
Quality (petrol)....................................... 387
Re fuellin g.............................................. .182
Sulphur content..................................... 387
Ta nk content.......................................... 389
F F uel consump
uel consump tion indicat
tion indicator
or
Calling up.............................................. 175
F
F unction seat
unction seat
see Door cont rol panel
F
F uses
uses
Before replacing a fuse.......................... 360
Fu se assignment diag ram...................... .360
Fu se box in the boo t.............................. .362
Fu se box in the engine compartment......3 61 Index
499
499