transmission MERCEDES-BENZ A-CLASS HATCHBACK 2018 Service Manual

Blue
tooth ®
profile overview Blue
tooth ®
profile
of the mobile phone Fu
nction
PBAP (Phone Book
Access Profile) Contacts are auto‐
matically displa
yed in
th e multimedia sys‐
tem
MAP (Message
Access Profile) Message functions
can be used Te
lephony operating modes overview
Depending on your equipment, thefo llowing tel‐
ephony operating modes are available:
R A mobile phone is connec tedto the multime‐
dia sy stem via Blue tooth®
(→ page 369).
R Two mobile phones are connected with the
multimedia sy stem via Blue tooth®
(two
phone mode).
- You can use all the functions of the multi‐
media sy stem with the mobile phone in
th efo re ground. -
You can recei veincoming calls and mes‐
sages with the mobile phone in the back‐
ground.
Yo u can inter change the mobile phone in
th efo re ground and bac kground any time
(→ page 370).
% Irre spective of this, Blue tooth®
audio func‐
tionality can byused with any mobile phone
(→ page 409).
Information on telephony
The following situations can lead tothe call
being disconnected while theve hicle is in
motion:
R there is insuf ficient network co verage inthe
area
R you mo vefrom one transmission/reception
st ation toano ther and no communication
ch annels are free
R the SIM card used is not compatible with the
network available
R a mobile phone with "Twincard" is logged into
th e network with the second SIM card at the
same time The multimedia sy
stem supports calls in HD
Vo ice ®
for impr oved speech qualit y.Arequ ire‐
ment forth is is that the mobile phone and the
mobile phone network pr ovider of the person
yo u are calling suppo rtHD Voice ®
.
Depending on thequ ality of the connection, the
vo ice quality may fluctuate.
Connecting a mobile phone
Requ irements:
R Blue tooth ®
is activated on the mobile phone
(see the manufacturer's operating instruc‐
tions).
R Blue tooth ®
is activated on the multimedia
sy stem (→ page313).
Multimedia sy stem:
, © .
Phone .
ª
Sear ching for a mobile phone #
Select Connect new device . MBUX multimedia sy
stem 369

Information on
NearField Communication
(NFC)
NFC enables short- range wi reless data transfer
or (re)connection of a mobile phone with the
multimedia sy stem.
The following functions are available without
having authorised a mobile phone:
R Trans ferring a URL or a con tact to be vie wed
in the multimedia sy stem (see the manufac‐
turer's operating instructions).
R Setting up theve hicle's Wi-Fi access da tavia
th e sy stem settings (→ page315).
Fu rther information can be obtained at: http://
www.mercedes-benz.com/connect
Using the mobile phone with NearField Com‐
munication (NFC)
Requ irements:
R NFC is activated on the mobile phone (see
th e manufacturer's operating instructions)
R The mobile phone's screen is switched on
and unloc ked (see the manufacturer's oper‐
ating instructions) #
Toconnect a mobile phone: holdthe NFC
area of the mobile phone (see manufactur‐
er's operating instructions) on mat 1or
place the mobile phone on it. #
Follow the additional prom pts on the media
display toconnect the mobile phone. Con‐
nect the mobile phone in single telephone
mode (→ page 369). Connect the mobile
phone in two phone mode (→ page370). #
Toreplace a mobile phone: holdthe NFC
area of the mobile phone (see manufactur‐
er's operating instructions) on mat 1or
place the mobile phone on it. #
Follow the additional prom pts on the media
display toreplace the mobile phone in one or
two phone mode (→ page370). #
Ifre qu ired, con firm the prom pts on your
mobile phone (see the manufacturer's oper‐
ating instructions).
% Ifyo ur mobile phone suppo rts wireless
ch arging, it will be automatically charge d via
NFC when it is connec ted or replaced. A
re qu irement forth is is that the mobile phone
is on thech arging mat (→ page119).
If yo uwa nttocharge a mobile phone without
connecting it tothe multimedia sy stem, lay it on
th e mat without beforehand unblocking the
screen.
Fu rther information can be found at: http://
www.mercedes-benz.com/connect
Setting there ception and transmission vol‐
ume
Re quirements:
R A mobile phone is connec ted (→ page 369). 372
MBUX multimedia sy stem

Multimedia sy
stem:
, © .
Phone .
Z
This function ensures optimal language qualit y.
% Please no tethat there spective mobile
phone must be selected for adju stment of
th ere ception and transmission volume. #
Select Volume. #
Set Reception volume andTransmission vol-
ume .
Fu rther information on there commended recep‐
tion and transmission volume: http://
www.me rcedes-benz.com/connect
Setting theringtone
Multimedia sy stem:
, © .
Phone .
Z
% Please no tethat there spective mobile
phone must be selected for adju stment of
th ere ception and transmission volume. #
Select Ringtones. #
Set theringtone. %
Ifth e mobile phone supports the transfer of
th eringtone, you will hear theringtone of
th e mobile phone ins tead of that of theve hi‐
cle.
St arting/ stopping mobile phone voice recog‐
nition
Re quirements:
R The mobile phone in thefo re ground is con‐
nected with the multimedia sy stem
(→ page 369).
St arting mobile phone voice recognition #
Press and hold the£ button on the multi‐
function steering wheel for more than one
second.
Yo u can use mobile phone voice recognition.
St opping mobile phone voice recognition #
Press the8 or~ button on the multi‐
function steering wheel.
% If a mobile phone is connected via Smart‐
phone Integration, thevo ice recognition of
th is mobile phone is star ted or stopped. Calls
Te
lephone operation
Multimedia sy stem:
, © .
Phone
Making a call byentering the numbers #
Select _. #
Enter a number. #
Select R.
The call is made.
Ac cepting a call #
Select RAccept.
Re jecting a call #
Select kReject .
Ending a call #
Select k. MBUX multimedia sy
stem 373

R
System ID (anonymised)
The transfer of this data is used tooptimise
communication between theve hicle and the
mobile phone.
To do this, and toassign se veralve hicles tothe
mobile phone, a vehicle identifier is randomly
ge nerated.
This has no connection totheve hicle identifica‐
tion number (VIN) and is dele ted when the multi‐
media sy stem is reset (→ page 320).
The following driving status data is transmit ted:
R Transmission position engaged
R Distinction between par ked, standstill, rolling
and driving
R Day/night mode of the instrument clus ter
The transfer of this data is used toalter how
con tent is displ ayed tocor respond tothe driving
situation.
The following position data is transmitte d:
R Coordinates
R Speed R
Compass direction
R Acceleration di rection
This da tais only transfer red while the navigation
sy stem is active, in order toimpr oveit (e.g. so it
can continue functioning when in a tunnel). Mercedes me connect
Note
s on Mercedes me connect
Mercedes me connect pr ovides thefo llowing
services:
R Accident and breakdown mana gement (me
button or auto matic accident or breakdown
de tection)
R Appointment requests or similar (me button)
R Ifth e service is activated: Concier geService
(me button)
R Mercedes-Benz emergency call sy stem (SOS
button)
Mercedes me connect accident and breakdown
management, the Mercedes me connect Con‐
cier geService (if service is acti vated) and the Mercedes-Benz emer
gency call centre are availa‐
ble foryo u around the cloc k.
The me button and the SOS button can be found
on theve hicle's overhead control panel
(→ page 389).
Yo u can also call the Mercedes-Benz Cus tomer
Centre using the multimedia sy stem
(→ page 389).
Please no tethat Mercedes me connect is a
Mercedes-Benz service. In emer gencies, al ways
call the national emer gency services firs t using
th est andard national emer gency service phone
numbe rs. In eme rgencies, you can also use the
Mercedes-Benz emer gency call sy stem
(→ page 392).
Obser vethe conditions of use for Mercedes me
connect and other services. These can be
obtained in the Mercedes me por tal: https://
me.secu re.mercedes-benz.com
Fu rther information on Mercedes me connect,
th e pr ovided service scope and operation:
http://manuals.daimler.com/baix/cars/
connectme/en_GB/index.html 388
MBUX multimedia sy stem

St
arting assi stance and charging the12 V
battery Re
quirements:
R The vehicle is secured with the electric park‐
ing brake.
R Automatic transmission: the transmission
is in position j.
R Manual transmission: the transmission is in
neutral.
R The ignition and all electrical consumers are
switched off.
R The bonn etis open. #
Slide co ver1 of positive clamp 2onthe
jump-s tarting connection point in the direc‐
tion of the ar row. #
Connect positive clamp 2onyour vehicle to
th e positive pole of the donor battery using
th e jump lead/charging cable. Alw ays begin
with positive clamp 2onyour ow nve hicle
fi rs t. #
During starting assi stance: start the
engine of the donor vehicle and run at idle
speed. #
Connect the negative pole of the donor bat‐
te ry and ear thpoint 3ofyour ow nve hicle
by using the jump lead/charging cable. Begin
with the donor battery firs t. #
During starting assi stance: start the
engine of your ow nve hicle. #
During thech arging process: start the
ch arging process. #
During starting assi stance: letthe engines
ru nfo r se veral minutes. #
During starting assi stance: before discon‐
necting the jump lead, switch on an electrical
consumer in your ow nve hicle, e.g. there ar
wind owheater or lighting.
When thest arting assis tance/charging process
is compl ete: #
First,re mo vethe jump lead/charging cable
from ear thpoint 3and negative pole of the
donor batter y,then from positive clamp 2
and positive pole of the donor batter y.Begin 448
Breakdown assis tance

Pe
rm itted towing me thods Ve
hicle equipment/ towing
me thod Bo
th axles on thegr ound Fr
ont axle raised Re
ar axle raised
Ve hicles 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
Ve hicles with automatic transmis‐
sion Ye
s, 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 NoTo
wing with a raised axle: towing should be
per form ed byato wing compan y. To
wing theve hicle with bo thaxles on the
gr ound #
Obser vethe no tes on the permitted towing
me thods (→ page449). #
Makesure that the battery is connected and
ch arge d. Obser
vethefo llowing points when the battery is
dischar ged:
R the engine cann otbe star ted
R the electric parking brake cann otbe released
or applied
R vehicles with automatic transmission: the
automatic transmission cannot be shif tedto
position iorj. %
Vehicles with automatic transmission: if
th e automatic transmission cann otbe shif‐
te dto position i, orthe multifunction dis‐
play in the instrument clus ter does not show
anything, ha vetheve hicle transpor tedaw ay
( → page 452). A towing vehicle with lifting
equipment is requiredforve hicle transpor ta‐
tion. 450
Breakdown assi stance

*
NO
TEDama gedue to to wing away at
exc essively high speeds or over long dis‐
ta nces The driv
etra in could be damaged when tow‐
ing at excessively high speeds or over long
dis tances. #
Atowing speed of 50 km/h must not
be exc eeded. #
Atowing dis tance of 50 km must not be
exc eeded. &
WARNING Risk of accident when towing
a ve hicle which is too heavy
If th eve hicle being tow- star ted or towed
aw ay is heavier than the permissible gross
mass, thefo llowing situations can occur:
R theto wing eye may become de tach ed.
R the car/t railer combination may swer ve
or eve nove rturn. #
If ano ther vehicle is tow- star ted or
to we daw ay, its weight must not exceed th
e permissible gross mass of your own
ve hicle. If a
vehicle must be tow star ted or towe daw ay,
its permissible gross mass must not exceed the
permissible gross mass of theto wing vehicle. #
Information on the permissible gross mass of
th eve hicle can be found on theve hicle iden‐
tification plate (→ page 483). #
Vehicles with automatic transmission: do
not open the driver's door or front passenger
door, otherwise the automatic transmission
automatically shifts toposition j. #
Fittheto wing eye (→ page 453). #
Fasten theto w bar.
* NO
TEDama gedue toincor rect connec‐
tion #
Only connect theto w rope or tow bar to
th eto wing eyes. #
Deactivate the automatic locking mechanism
(→ page 73). #
Do not activate the HOLD function. #
Deactivate tow- aw ay protection (→ page 86). #
Deactivate Active Brake Assi st (→page 196). #
Vehicles with automatic transmission:
shift the automatic transmission toposition
i. #
Vehicles with manual transmission: shift
to neutral i. #
Release the electric parking brake. #
Switch on the ignition, otherwise thesteering
wheel lock may engage. &
WARNING Risk of accident due tolimi‐
te d saf ety-re lated functions during the
to wing process
Saf ety-re lated functions are limited or no lon‐
ge rav ailable in thefo llowing situations:
R the ignition is switched off.
R the brake sy stem or po werst eering sys‐
te m is malfunctioning. Breakdown assi
stance 451

R
the energy supply or the on-board electri‐
cal sy stem is malfunctioning.
When your vehicle is then towe daw ay, signif‐
icantly more ef fort may be requiredtosteer
and brake than is no rmally requ ired. #
Use a tow bar. #
Make sure that thesteering wheel can
mo vefreely, before towing theve hicle
aw ay. *
NO
TEDama gedue toexcessive tracti ve
po wer If
yo u pull away sharpl y,the tractive po wer
may be too high and theve hicles could be
damaged. #
Pull away slowly and smoo thly. Loading the
vehicle for transport #
Obser vethe no tes on towing away
( → page 450). #
Connect theto w bar totheto wing eye in
order toload theve hicle.
% You can also attach theto w bar tothe trailer
hitch. #
Vehicles with automatic transmission:
shift the automatic transmission toposition
i.
% Ve
hicles with automatic transmission:
th e automatic transmission may be loc ked in
position jintheeve nt of dama getothe
electrical sy stem. Toshift toi , pr ovide the
on-board electrical sy stem with po wer
( → page 448). #
Vehicles with manual transmission: shift
to neutral. #
Load theve hicle onto the transpor ter. #
Vehicles with automatic transmission:
shift the automatic transmission toposition
j. #
Vehicles with manual transmission:
engage firs t or reve rsege ar. #
Use the electric parking brake tosecure the
ve hicle against rolling away. #
Only secure theve hicle bythe wheels.
4MATIC vehicles/ vehicles with automatic
transmission #
Make sure that the front and rear axles come
to rest on the same transpor tation vehicle.
* NO
TEDama getothe driv etra in due to
incor rect positioning #
Do not position theve hicle abo vethe
connection point of the transport vehi‐
cle. 452
Breakdown assis tance

To
wing eyesto rage location To
wing eye1 is under the load compartment
fl oor. Installing
theto wing eye #
Press the mark on co ver1 inwa rds and
re mo ve. #
Screw intheto wing eyeclockwise as far as it
will go and tighten.
Ve hicles with a trailer hitch: vehicles with a
trailer hitch do not ha veare ar brac ketfo rthe to
wing eye. Fasten theto w bar tothe trailer
hitch.
% Make sure that co ver1 engages in the
bumper when youre mo vetheto wing eye.
* NO
TEDama gedue toincor rect use of
th eto wing eye When a
towing eye is used toreco ver a vehi‐
cle, theve hicle may be damaged in the proc‐
ess. #
Only use theto wing eyeto to waw ay or
to w start theve hicle. To
w starting theve hicle (eme rgency engine
st art) Ve
hicles with automatic transmission
* NO
TEDama getothe automatic trans‐
mission due to tow-starting The automatic transmission may be damaged
in the process of tow- starting vehicles with
automatic transmission. Breakdown assis
tance 453

#
Vehicles with automatic transmission
must not be tow- star ted. #
Vehicles with automatic transmission must
not be tow- star ted.
Ve hicles with manual transmission #
Obser vethe no tes on towing away
( → page 450). #
If necessar y,allow the engine and exhaust
sy stem tocool down. #
Switch the ignition on. #
Enga gesecond gear. #
Release the electric parking brake. #
Tow- start theve hicle while the clutch pedal
is fully depressed. #
Slowly release the clutch pedal. #
Immediately shift toneutral if the engine
st arts. #
Pull over and stop theve hicle, paying atten‐
tion toroad and traf fic conditions. #
Remo vetheto w bar. #
Remo vetheto wing eye. #
Have theve hicle checked at a qualified spe‐
cialist workshop. Electrical fuses
Note
s on electrical fuses &
WARNING Risk of accident and inju ry
due to ov erloaded lines
If yo u manipulate or bridge a faulty fuse or if
yo ure place it with a fuse with a higher
amperage, the electric line could be overloa‐
ded.
This could result in a fire. #
Alw aysre place faulty fuses with speci‐
fi ed new fuses conta iningthe cor rect
amperage. *
NO
TEDama gedue toincor rect fuses Electrical components or sy
stems may be
damaged byincor rect fuses, or their func‐
tionality may be significant lyimpaired. #
Only use fuses that ha vebeen appr oved
by Mercedes-Benz and which ha vethe
cor rect fuse rating. Blown fuses mu
stbe replaced with fuses of the
same rating, which you can recognise bythe col‐
our and fuse rating. The fuse ratings and fu rther
information tobe obser ved are lis ted in the fuse
assignment diagram.
Fu se assignment diag ram: onthe fuse box in
th e engine compartment (→ page 455).
* NO
TEDama geor malfunctions caused
by moisture Moisture may cause dama
getothe electrical
sy stem or cause it tomalfunction. #
When the fuse box is open, make sure
th at no moisture can enter the fuse
box. #
When closing the fuse box, make sure
th at the seal of the lid is positioned cor‐
re ctly on the fuse box. 454
Breakdown assis tance