2018 MERCEDES-BENZ A-CLASS HATCHBACK key

Pressing and holding switches
toupper-case
letters permanently
If av ailable, thep symbol allo wsyouto
ch ange tovoice input. #
Call up thech aracter ent ryto rename a
fa vo urite, forex ample (→ page 297).
The keyboard is shown. #
Press brief lyon a character key.
The character is entered in input line 1.
Suggestions are shown in 2. #
Toselect a suggestion: select one ofthe
entri es. #
Ifav ailable, display additional suggestions
with q orr. #
Resume character input. #
Toenter an alternative character: press
and hold a character. #
Select thech aracter. #
Toend character input: presstheG but‐
to n.
% The available editing functions depend on
th e editing task, the language set and the
ch aracter le vel. MBUX multimedia sy
stem 309

#
Toselect a suggestion: select one ofthe
entri es. #
Ifav ailable, display additional suggestions
with q orr. #
Resume character input. The letters can be
written next toeach other or abo veeach
ot her. #
Toend character input: presstheG but‐
to n.
Setting the keyboard forch aracter entry
Multimedia sy stem:
, Settings .
System .
Controls .
Key-
boards and handwriting #
Confirm Select keyboards.
Select theke yboard language in the list. Sy
stem settings Display
Configuring display settings
Multimedia sy
stem:
, © .
Settings .
System .
Styles
& display
Setting the design #
Select Styles. #
Select Classic ,Sport orProgressive .
The multimedia sy stem display changes
depending on thest yle selected. If youre ve rt
to thefa ctory settings, theClassic style is
set.
Ad apting the ambient light for the style #
Select Adapt ambient lighting. #
Activate or deacti vate the function.
This function adjusts the ambient light for
th e selected display style.
Setting the display brightness #
Select Display brightness . #
Select a brightness value.
Switching the display off/on #
Off: select Display off . #
On: press a button, %,forex ample.
Selecting the display design #
Select Day/night design . #
Select Automatic, Day design orNight
design .
Switching thetemp erature display on/off #
Select Temperature display . #
Select Outside temp. orCoolant temp..
The selec tedte mp erature is displa yed in the
instrument clus ter. MBUX multimedia sy
stem 311

Using
this function, a tablet PC or no tebook
can be connec ted, forex ample. The connec‐
te d device can use the data tariff of theve hi‐
cle. A maximum of thre e devices can be con‐
nected with the hotspot at the same time.
% The use of theve hicle data tariff by extern al
devices is not available in all countries.
To estab lish a connection, you can use thefo l‐
lowing me thods:
R WPS PIN
The connection toa secure Wi-Fi network is
made via a PIN.
R WPS PBC
The connection toa secure Wi-Fi network is
made bypressing a button (push button).
R Security key
The connection toa secure Wi-Fi network is
made via a secu rity key.
Setting up Wi-Fi
Requ irements:
R The device tobe connec ted supports one of
th eth re e means of connection described. Multimedia sy
stem:
, © .
Settings .
System .
Wi-Fi &
Bluetooth
Switching on Wi-Fi #
Select Wi-Fi.
The Wi-Fi is switched on and you can con‐
nect the multimedia sy stem with extern al
hotspots.
Swit ching off Wi-Fi #
Select Settings . #
Deactivate Wi-Fi.
If Wi-Fi is deactivated, communication via Wi-
Fi to all devices is inter rupte d. This also
means that a connection tothe communica‐
tion module cann otbe es tablished. Then
some functions such as dynamic route guid‐
ance with Live Traf fic Information are not
av ailable.
Connecting the multimedia sy stem with a
new device via Wi-Fi
This function is available if a communication
module is not ins talled. The type of connection es
tablished must be
selected on the multimedia sy stem and on the
device tobe connec ted.
% The connection procedure may dif fer
depending on the device. Follow the instruc‐
tions that are shown in the displa y.Fu rther
information (see the manufacturer's operat‐
ing instructions). #
Select Connect via Wi-Fi. #
Select Add hotspot.
Connecting using a security key #
Select the options rofthe desired Wi-Fi
networ k. #
Select Connect using security key . #
Have the security key displa yed on the device
to be connec ted (see the manufacturer's
operating instructions). #
Ente rth is security key on the multimedia sys‐
te m. #
Confirm the entry with¡.
% All devices support a security key as a
means of connection. 314
MBUX multimedia sy stem

Connecting using a WPS PIN
#
Select the options rofthe desired Wi-Fi
networ k. #
Select Connect using WPS PIN input .
The multimedia sy stem generates an eight-
digit PIN. #
Enter this PIN on the device tobe connec ted. #
Confirm the entry.
Connecting using a but ton#
Select the options rofthe desired Wi-Fi
networ k. #
Select Connect via WPS PBC .#
Select "Connect via WPS PBC" in the options
on the device tobe connec ted (see the man‐
ufacturer's operating instructions). #
Press the WPS button on the device tobe
connec ted. #
Select Continue inthe multimedia sy stem.
Ac tivating automatic connection #
Select Connect via Wi-Fi . #
Select the options rofthe desired Wi-Fi
networ k. #
Activate Permanent Internet connection .
Connecting with a known Wi-Fi #
Select Connect via Wi-Fi . #
Select a Wi-Fi networ k.
The connection is es tablished again.
Setting up a Wi-Fi hotspot
Multimedia sy stem:
, © .
Settings .
System .
Wi-Fi &
Bluetooth
Configuring the multimedia sy stem as a Wi-
Fi hotspot
The type of connection es tablished depends on
th e device tobe connec ted. The function must
be suppor tedby the multimedia sy stem and by
th e device tobe connec ted. The type of connec‐
tion es tablished must be selected on the multi‐
media sy stem and on the device tobe connec‐
te d. #
Select Vehicle hotspot. #
Select Connect device to vehicle hotspot .Connecting using WPS PIN
generation #
Select Connect using WPS PIN generation. #
Ente rth e PIN shown in the media display on
th e device tobe connec ted and con firm.
Connecting using WPS PIN entry #
Select Connect using WPS PIN input. #
Enterth e PIN that is shown on theex tern al
device's display on the multimedia sy stem.
Connecting using a button #
Select Connect via WPS PBC. #
Press the push button on the device tobe
connec ted (see the manufacturer's operating
instructions). #
Select Continue.
Connecting using a security key #
Select Connect device to vehicle hotspot .
A secu rity key is displa yed. #
Select theve hicle from the device tobe con‐
nec ted. The vehicle is displa yed with theMB
Hotspot XXXXX network name. MBUX multimedia sy
stem 315

#
Enter the security key which is shown in the
media display on the device tobe connec ted. #
Confirm the entry.
Connecting using NFC #
Select Connect via NFC. #
Activate NFC on the mobile device (see the
manufacturer's operating instructions). #
Bring the mobile device into the NFC area of
th eve hicle (→ page372). #
Select Finished.
The mobile device is now connected tothe
multimedia sy stem hotspot via NFC.
Generating a new security key#
Select Vehicle hotspot. #
Select Generate security key .
A connection will be es tablished with the
newly crea ted security key. #
Tosave a security key:select Save.
When a new security key is sa ved, all existing
Wi -Fi connections are then disconnected. If
th eWi -Fi connections are being re-es tab‐
lished, the new security key must be en tere d. Sy
stem language Note
s onthe sy stem language
This function allo wsyouto determ ine the lan‐
guage forth e menu displa ysand the navigation
announcements. The selected language af fects
th ech aracters available for entr y.The navigation
announcements are not available in all lan‐
guages. If a language is not available, the naviga‐
tion announcements will be in Engl ish.
Setting the sy stem language
Multimedia sy stem:
, © .
Settings .
System .
Lan-
guage #
Set the language.
% Ifyo u are using Arabic map data, thete xt
information can also be shown in Arabic on
th e navigation map. Todo so, select 

Ac
tivating functions during a call
The following functions are available during a
call:
k End call
m Microphone off
_ Numerical keypad (showtosend DTMF
to nes)
W Add call
h Transfer to phone
(an activecall in hands-
free mode is transfer redove rto thete le‐
phone) #
Select a function.
Conducting calls with se veral participants
Re quirements:
R There is an active call (→ page373).
R Ano ther call is being made.
Switching between calls #
Select the conta ct.
The selected call is acti ve. The other call is
on hold. Ac
tivating a call on hold #
Select the conta ct ofthe call on hold.
Conducting a conference call #
Select iCreate conferen. call.
The new participant is included in the confe r‐
ence call.
Ending an active call #
Select kEnd call .
% On some mobile phones, the call on hold is
activated as soon as the active call is ended.
Ac cepting/rejecting a waiting call
Re quirements:
R There is an active call (→ page373).
If yo ure cei vea call while already in a call, a
message is displa yed.
Depending on the mobile phone and mobile net‐
wo rkoperator you will hear a call- waiting sound.
In addition, in two phone mode you will hear an
acoustic signal when the call goes thro ugh tothe
ot her (not yet acti ve) mobile phone. #
Select RAccept.
The incoming call is active.
If only one mobile phone is connec ted with
th e multimedia sy stem, the pr evious call will
be put on hold.
If during a call you accept a call with the
ot her mobile phone when in two phone mode
th en theex isting call is ended. #
Select kReject.
% This function and behaviour depends on your
mobile phone network pr ovider and the
mobile phone (see the manufacturer's oper‐
ating instructions). Contacts
Information about
the contacts menu
The con tacts menu contains all contacts from
ex isting data sources, e.g. mobile phone or data
st orage medium.
Depending on the data source, you ha vethefo l‐
lowing number of con tacts:
R Perm anently sa ved con tacts: 3,000 entries 374
MBUX multimedia sy stem

Key
Display messages
Possible causes/consequences and M
MSolutions
 Key not detected (red dis‐
play message) *T
hekey cannot be de tected and may no longer be in theve hicle.
The key is no lon ger in theve hicle and you swit choff the engine:
R You can no lon gerst art the engine.
R You cannot centrally lock theve hicle. #
Ensure that theke y is in theve hicle.
If th eke y de tection function has a malfunction due toast ro ng radio signal source: #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Place theke y in the slot forst arting the engine with theke y (→ page 154).
Â
Replace key *T
hekey needs tobe replaced. #
Consult a qualified specialist workshop.
 Key not detected (white
display message) *T
hekey is cur rently und etected. #
Change the location of theke y in theve hicle. #
Ifth eke y is still not recognised, start the engine with theke y in the slot (→ page154). Displ
aymessa ges and warning/indicator lamps 533

Display messages
Possible causes/consequences and M
MSolutions
 Change key batteries *T
hekey bat tery is dischar ged. #
Replace the battery (→ page67).
Â
Place the key in the
marked space See Owner's
Manual *T
hekey de tection function is malfunctioning. #
Change the location of theke y in theve hicle. #
Start theve hicle with theke y in the slot (→ page154).
,
Replace key See Owner's
Manual *
Ve hicles with a digital vehicle key:only a few or no authorisations remain forst arting the engine. #
Make sure that the internet connection is not limited bycer tain mobile phone settings. #
Open the Mercedes me connect http://www.mercedes.me and call up the digital vehicle key service. #
Deactivate the service firs t and then activate it again. #
Ifth e display message still appears, con tact the Mercedes-Benz Cus tomer Assis tance Center (C AC).
Ve hicles with a digital vehicle keyst icke r:on lyafe w or no authorisations remain forst arting the engine. #
Order a new digital vehicle keyst icke r from a Mercedes-Benz Service Centre or at http://www.mercedes-
benz.com/connect. 534
Display messa ges and warning/indicator lamps