2018 MERCEDES-BENZ A-CLASS HATCHBACK Owners Manual

Setting
the frequency band Multimedia sy
stem:
, © .
Radio #
Select a frequency band. Selecting a
radio station Multimedia sy
stem:
, © .
Radio #
Swipe tothe left or right on the control ele‐
ment. Calling up
thera dio station list Multimedia sy
stem:
, © .
Radio #
Select .
The station list appears. #
Select a station. Sear
ching forra dio stations using station
names or frequency entry Multimedia sy
stem:
, © .
Radio #
Select è. #
Ente r astation name or frequenc y. #
Select a station. St
oring radio stations Multimedia sy
stem:
, © .
Radio #
Select a radio station.
Memory slots are available in station presets #
Select f.
or #
Press and hold on thera dio station.
Re placing an entry in the station presets #
Press and hold on an entry in thest ation pre‐
sets. #
Select Yes. Editing
station presets Multimedia sy
stem:
, © .
Þ Radio
Moving stations #
Press and hold a stored station. #
Select Move. #
Movethest ation tothe new position.
Deleting channels #
Press and hold a station. #
Select Delete.
Re placing a station #
Press and hold a station. #
Select Replace radio station . Calling up a slide show (FM/DAB
radio mode) Multimedia sy
stem:
, © .
Radio
The slide show displa ysadditional information
pr ov ided bythest ation as an image. This can 414
MBUX multimedia sy stem

include logos, album co
vers, music trac ks, pro‐
grammes, ne wsor service information, forex am‐
ple. #
Select #. Ac
tivating/deactivating the frequency fix
function Multimedia sy
stem:
, © .
Radio .
Z #
Select Frequency fix toswitch on or off.
If th e function is activated, the set frequency
is ke pt eve n ifthere ception is poo r. Ac
tivating/deactivating traf fic announce‐
ments Multimedia sy
stem:
, © .
Radio .
Z #
Switch Traffic announcements on or off. Setting
the traf fic information service vol‐
ume increase Multimedia sy
stem:
, © .
Radio .
Z .
Sound #
Select Other sound settings. #
Select Navigation and traffic announce-
ments. #
Select TRAFFIC ANNOUNCEMENTS VOL-
UME INCREASE. #
Set a value. #
Toadopt theva lue: select q. Displaying
radio text Multimedia sy
stem:
, © .
Radio .
Z #
Switch Display radio text information on or
off. Sound
To
ne settings Information about
the sound sy stem
The sound sy stem has a total output of 100 W
and is equipped with 6 spea kers. It is available
fo r all functions in thera dio and media modes.
Calling up the sound menu
Multimedia sy stem:
, © .
Media .
Z .
Sound
The following functions are available:
R Equaliser
R Balance and Fader
R Volume #
Select a function.
Ad justing treble, mid- range and bass set‐
tings
Multimedia sy stem:
, © .
Media .
Z .
Sound .
E
qualiser #
Set TREBLE, MIDorBASS . MBUX multimedia sy
stem 415

Ac
tivating/deactivating automatic volume
adjustment
Multimedia sy stem:
, © .
Media .
Z .
Sound .
V
olume
Au tomatic volume adjustment compensates for
dif fering volumes when changing between audio
sources and within an audio source. #
Swit chAutomatic adjustment on or off.
Ad justing the balance/ fader
Multimedia sy stem:
, © .
Media .
Z .
Sound .
B
alance and Fader
Ad justing the balance #
Movethevo lume distribution between the
ri ght and left sides of theve hicle in the grid
shown.
The volume is distributed between the speak‐
ers on the left and right sides in theve hicle. Ad
justing the fader #
Movethevo lume distribution between the
front and rear of theve hicle in the grid
shown.
The volume is distributed between the speak‐
ers in the front and rear of theve hicle. Burmes
ter®
sur round sound sy stem Information about
the Bu rmester ®
sur round
sound sy stem
The Burmes ter®
sur round sound sy stem has a
to ta l output of 590 W and is equipped with 12
speakers. It is available for all functions in the
ra dio and media modes.
Calling up the sound menu in the
Bu rm ester ®
sur round sound sy stem
Multimedia sy stem:
, © .
Media .
Z .
Burmester
The following functions are available:
R Equaliser
R Balance and Fader
R Sound focus R
Sound profiles
R Volume #
Select a function.
Ad justing the treble, mid and bass settings
on the Burmes ter®
sur round sound sy stem
Multimedia sy stem:
, © .
Media .
Z .
Burmester
. Equaliser #
Set TREBLE, MIDorBASS .
Ac tivating/deactivating volume adjustment
in the Bu rmester ®
sur round sound sy stem
Multimedia sy stem:
, © .
Media .
Z .
Burmester
. Volume
Au tomatic volume adjustment compensates for
dif fering volumes when changing between audio
sources and within an audio source. #
Swit chAutomatic adjustment on or off.416
MBUX multimedia sy stem

Ad
justing the balance/ fader in the
Burmes ter®
sur round sound sy stem
Multimedia sy stem:
, © .
Media .
Z .
Burmester
. Balance and Fader
Ad justing the balance #
Movethevo lume distribution between the
ri ght and left sides of theve hicle in the grid
shown.
The volume is distributed between the speak‐
ers on the left and right sides in theve hicle.
Ad justing the fader #
Movethevo lume distribution between the
front and rear of theve hicle in the grid
shown.
The volume is distributed between the speak‐
ers in the front and rear of theve hicle. Selecting a sound profile in
the Bu rmester ®
sur round sound sy stem
Multimedia sy stem:
, © .
Media .
Z .
Burmester
. Sound profiles
The following profiles are available:
R Pure
R Surround sound #
Select a sound profile.
Ad justing the sound focus in the Bu rmester ®
sur round sound sy stem
Multimedia sy stem:
, © .
Media .
Z .
Burmester
. Sound focus #
Select a position forth e sound focus or All
seats. Ad
vanced sound sy stem Information about
theAd vanced sound sys‐
tem
The Adva nced sound sy stem has a total output
of 225 W and is equipped with 10speakers. It is
av ailable for all functions in thera dio and media
modes.
Calling up the sound menu in theAd vanced
sound sy stem
Multimedia sy stem:
, © .
Media .
Z .
Sound
The following functions are available:
R Equaliser
R Balance and Fader
R Volume #
Select a function. MBUX multimedia sy
stem 417

Ad
justing treble, mid- range and bass set‐
tings in theAd vanced sound sy stem
Multimedia sy stem:
, © .
Media .
Z .
Sound .
E
qualiser #
Set TREBLE, MIDorBASS .
Switching volume adjustment in the
Ad vanced sound sy stem on/off
Multimedia sy stem:
, © .
Media .
Z .
Sound .
V
olume
Au tomatic volume adjustment compensates for
dif fering volumes when changing between audio
sources and within an audio source. #
Swit chAutomatic adjustment on or off.Setting the balance/
fader in the Advanced
sound sy stem
Multimedia sy stem:
, © .
Media .
Z .
Sound .
B
alance and Fader
Ad justing the balance #
Movethevo lume distribution between the
ri ght and left sides of theve hicle in the grid
shown.
The volume is distributed between the speak‐
ers on the left and right sides in theve hicle.
Ad justing the fader #
Movethevo lume distribution between the
front and rear of theve hicle in the grid
shown.
The volume is distributed between the speak‐
ers in the front and rear of theve hicle. 41 8
MBUX multimedia sy stem

ASS
YST PLUS se rvice inter val display Fu
nction of the ASS YST PLUS se rvice inter val
displ ay The ASS
YST PLUS service inter val display on the
instrument display pr ovides information on the
re maining time or dis tance be fore the next
service due date.
Yo u can hide this service message using the
back button on the left-hand side of thesteering
wheel.
Depending on how theve hicle is used, the
ASS YST service inter val display may shor tenthe
service inter val, e.g. in thefo llowing cases:
R mainly short-dis tance driving
R when the engine is of ten le ftidling for long
periods
R intheeve nt of frequent cold start phases
R Vehicles with a diesel particle filter: inthe
eve nt of frequently inter rupte dre ge neration
of the diesel particle filter
Mercedes-Benz recommends avoiding such
operating conditions. Yo
u can obtain fur ther information concerning
th e servicing of your vehicle from a qualified
specialist workshop, e.g. a Mercedes-Benz
Service Centre. Displaying
the service due da te On-board computer:
, Assistance .
ASSYST PLUS
The next service due date is displa yed. #
Toexitth e displa y:press the back button
on the left-hand side of thesteering wheel.
Make sure toobser vethefo llowing fur ther rela‐
te d subjec t:
R Operating the on-board computer
(→ page 250). Information on
regular maintenance work *
NO
TEPremature wearthro ugh failure to
obser veservice due dates Service
workwhich is not car ried out at the
ri ght time or incomple tely can lead to
inc reased wear and damage totheve hicle. #
Alw ays obser vethe prescribed service
inter vals. #
Alw ays ha vethe prescribed service
wo rkcar ried out at a qualified specialist
wo rkshop. Special service
requ irements The prescribed service inter
val is based on nor‐
mal operation of theve hicle. Maintenance work
will need tobe per form ed more of ten if theve hi‐
cle is operated under arduous conditions or
increased loads.
The ASS YST PLUS service inter val display is only
an aid. The driver of theve hicle bears responsi‐
bility as rega rdsto whe ther maintenance work
needs tobe per form ed more of tenth an speci‐ Main
tenance and care 419

fi
ed based on the actual operating conditions
and/or loads.
Examples of arduous operating conditions:
R regular city driving with frequent intermedi‐
ate stops
R mainly short-dis tance driving
R frequent operation in mountainous terrain or
on poor road sur faces
R when the engine is of ten le ftidling for long
periods
R operation in particula rly dusty conditions
and/or if air-recirculation mode is frequently
used
In these or similar operating conditions, ha vethe
interior air filter, engine air cleaner, engine oil
and oil filter etc. changed more frequent ly. The
ty re s must be checked more frequently if the
ve hicle is operated under increased loads. Fur‐
th er information can be obtained at a qualified
specialist workshop. Battery disconnection periods
The ASS
YST PLUS se rvice inter val display
can only calculate the service due da tewhen
th e bat tery is connected. #
Notedown the service due date displa yed on
th e instrument display before disconnecting
th e battery (→ page419). Engine com
partment Ac
tive bonn et(pedestrian pr otection) Operation of
the active bonnet (pedestrian
pr otection)
In cer tain accident situations, therisk of injury
to pedestrians can be reduced bythe actuation
of the active bonn et. The rear area of the engine
bonn etisraised byappr oximately 70 mm.
Fo rth e drive tothewo rkshop, reset the trig‐
ge red active bonn etyourself. Af terth e active
bonn ethas been triggered, pedestrian pr otection
may be limited.
A qu alified specialist workshop must re-ins tate
th e full functionality of the active bonn et. The active bonnet is not
available in all coun‐
tries.
Re setting the active bonnet &
WARNING Danger of bu rns from hot
component parts in the engine compart‐
ment
Cer tain component parts in the engine com‐
partment may be very hot, e.g. the engine,
th era diator and parts of theex haust sy stem. #
Let the engine cool down and only
to uch the component parts described
below: 420
Maintenance and care

#
With your hand flat, push down active bonnet
1 inthe area around the hinges on bo th
sides (ar rows).
In doing so, the actuator is depressurised
and you may hear a hissing sound.
The engine bonnet must en gage in position. #
Ifth e active bonn etcan be raised slight lyat
th ere ar in the area of the hinges, repeat the
st ep until it engages cor rectl y. Opening/closing
the bonnet &
WARNING Risk of accident due todriv‐
ing with the engine bonn etunlo cked
An unloc ked engine bonn etmay open up
when theve hicle is in motion and block your
vie w. #
Never unlock the engine bonn etwhen
driving. #
Before every trip, ensure that the
engine bonn etis loc ked. &
WARNING Risk of accident and inju ry
when opening and closing the engine
bonn et
When opening or closing the engine bonn et,
it may suddenly drop into the end position.
There is a risk of injury for an yone in the
engine bonn et's range of mo vement. #
Only open or close the engine bonn et
when there are no persons in the
engine bonn et's range of mo vement. &
WARNING Danger of bu rns when open‐
ing the bonn et
If yo u open the engine bonn etwhen the
engine has overheated or during a fire inthe
engine compartment, you could come into
contact with hot gases or other escaping
operating fluids. #
Before opening the bonn et, allow the
engine tocool down. #
Intheeve nt of a fire inthe engine com‐
partment, keep the engine bonn et
closed and call thefire service. &
WARNING Risk of inju rydue tomoving
parts
Cer tain components in the engine compart‐
ment may continue tomo veor suddenly
mo veagain even af terth e ignition has been
switched off, e.g. the cooler fan.
Ma kesure of thefo llowing before per form ing
ta sks in the engine compartmen t: #
Switch the ignition off. Maintenance and care
421