2017 MERCEDES-BENZ E-CLASS CABRIOLET ECU

The
Wi-Fi connection is es tablished toaWi-
Fi-capable device, e.g. tothe cus tomer's
mobile phone or tablet PC.
R multimedia sy stem as a Wi-Fi hotspot
Using this function, a tablet PC or no tebook
can be connec ted, forex ample.
To establish 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
Re quirement:
The device tobe connec ted supports one of the
th re e means of connection described. Multimedia sy
stem:
, System .
ö Connectivity
Switching Wi-Fi on/off #
Switch Wi-FionO or off ª.
If Wi-Fi is deactivated ª, communication via
Wi -Fi is inter rupte dto all devices. This also
means that a connection tothe HERMES
communication module cann otbe es tab‐
lished. Functions su chas dynamic route
guidance with Live Traf fic Information are
th en una vailable.
Connecting the multimedia sy stem with a
device via Wi-Fi
This function is available if a HERMES communi‐
cation 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 Internet settings . #
Select Search for Wi-Fi networks. #
Via WPS PIN: highlight aWi-Fi network in
th e list. #
Select ¥Connect via WPS PIN.
The multimedia sy stem generates an eight-
digit PIN. #
Enter this PIN on the device tobe connec ted. #
Confirm the entry. #
By pressing a button: highlight aWi-Fi net‐
wo rkinthe list. #
Select ¥Connect via WPS PBC. #
Select "Connect via WPS PBC" in the options
on the device tobe connec ted. #
Press the WPS button on the device tobe
connec ted. #
Select Continue inthe multimedia sy stem. #
Using a security key:highlight a Wi-Fi net‐
wo rkinthe list. #
Select ¥Connect using security key. 260
Multimedia sy stem

#
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.
Device has already been connec ted#
Toautomatically connect: highlight aWi-Fi
network in the list. #
Activate O¥ Connect automatically. #
Toconnect: highlight a Wi-Fi network in the
list. #
Select ¥Connect.
The connection is es tablished again. These
functions are possible when the device has
already been connected totheWi -Fi networ k.Setting up a
Wi-Fi hotspot
Multimedia sy stem:
, System .
ö Connectivity
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 Set up hotspot. #
Highlight Connect device to vehicle hotspot. #
Togenerate a WPS PIN: select¥Con-
nect using WPS PIN generation. #
Ente rth e PIN shown in the multimedia sys‐
te m display on the device tobe connec ted
and con firm. #
Connect via WPS pin: select¥Con-
nect using WPS PIN input. #
Select Enter WPS PIN. #
Enterth e PIN that is shown on theex tern al
device's display on the multimedia sy stem. #
Select Continue. #
Toconnect bypressing a button: select
¥ Connect via WPS PBC . #
Press the push button on the device tobe
connec ted. #
Select Continue. #
Toconnect via a security key:select Con-
nect device to vehicle hotspot.
A security key is displa yed. #
Select theve hicle from the device tobe con‐
nec ted. The vehicle is displa yed with the
SSID MB Hotspot XXXXX . #
Enter the security key which is shown in the
multimedia sy stem display on the device to
be connec ted. #
Confirm the entry.
To generate a new security key: #
Select Set up hotspot . #
Select Generate security key . Multimedia sy
stem 261

#
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. Au
thorising a COMAND Touch device Re
quirements:
R The COMAND Touch App is ins talled on the
ex tern al device (e.g. tablet) which is tobe
used as a Rear Seat En tertainment Sy stem
unit.
R Wi-Fi is acti vated (→ page 260) and the mul‐
timedia sy stem is confi gured as a Wi-Fi Hot‐
spot (→ page 261).
Multimedia sy stem:
, System .
COMAND Touch
Connecting a new device #
Select Authorise a new device. #
Select Connect new device.
A security key is displa yed. #
Ente rth e security key in theex tern al device.
The Please start COMAND Touch on your
device and follow the instructions. The App
is available in the App Store. message
appears.
Selecting an already connected device #
Select Authorise a new device.
The devices already connec ted are displa yed. #
Select Continue using connected devices.
The Please start COMAND Touch on your
device and follow the instructions. The App
is available in the App Store. message
appears. Ac
tivating/deactivating the COMAND Touch
ch ild saf ety lock Multimedia sy
stem:
, System .
COMAND Touch
Child saf ety lock #
Switch Parental control onO or off ª.
The content displa yed on theex tern al device
can on lybe set on the multimedia sy stem. 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:
, System .
Language #
Set the language. 262
Multimedia sy stem

Impor
tant information on Live Traf fic Informa‐
tion:
R Current tra ffic reports are recei ved via the
Internet connection or via data roaming (for
selec ted European count ries).
R The tra ffic situation is updated at short, regu‐
lar inter vals.
R In selec ted European count ries, the subscrip‐
tion service is available free of charge for a
period of thre eye ars from the manufacturing
date.
The status of the subscription can be dis‐
pla yed (→ page 280).
Re gis tering Live Traf fic Information
R This service is enabled forth re e months af ter
th eve hicle hando ver.
R The service must be regis tered
( → page 280):
- upon vehicle hando ver
- within thre e months
R This secures the full free-of- charge period of
th re eye ars. R
Registration is car ried out at a Mercedes-
Benz Service Centre on the Mercedes me
we bsite.
R Ifre gistration is not comple ted within this
time period, Live Traf fic Information will be
deactivated. If Live Traf fic Information is
used af terth is period, e.g. af ter six months,
th ere maining time for free usage is 2.5
ye ars.
In fo rm ation on theve hicle's position is regularly
sent toDaimler AG. The da tais immediately ren‐
de red anonymous byDaimler AGand forw arded
to the tra ffic data pr ovider. Using this data, traf‐
fi c re ports releva nt totheve hicle's position are
sent totheve hicle. The vehicle acts as a sensor
fo rth eflow of traf fic and helps toimpr ovethe
qu ality of the tra ffic reports.
If yo u do not wish totransmit your vehicle posi‐
tion, you can ha vethis service deactivated at a
Mercedes-Benz Service Cent re.
Useful information on FM RDS-TMC:
R A FM RDS-TMC radio station broadcasts traf‐
fi c re ports alongside thera dio prog ramme.
R FM RDS-TMC is not available in all countries. Displ
aying subscription information
Requ irement:
R The vehicle is equipped with Live Traf fic
Information.
Multimedia sy stem:
, Navigation .
Z Options
The subscription expiry date is automatically dis‐
pla yed:
R one month before theex piry date.
R one week before theex piry date.
R ontheex piry date. #
Todispl aymanuall y:select Live Traffic Sub-
scription Info.
Depending on thest atus, one of thefo llowing
messages appears:
R The period of validity forth e subscription
is displa yed.
R The subscription has expired. #
Select Extend subscription .
The website forex tending the subscription is
called up. 280
Multimedia sy stem

Multimedia sy
stem:
, Telephone .
á Connect device - no
device connected
Sear ching for a mobile phone #
Select Connect new device .#
Select Start search .
The available mobile phones are displa yed. If
a new mobile phone is found, it is indicated
by theá symbol.
Connecting a mobile phone (authorisation
using Secure Simple Pairing) #
Select the mobile phone.
A code is displa yed in the multimedia sy stem
and on the mobile phone. #
Ifth e codes match: confirm the code on
th e mobile phone.
Connecting a mobile phone (authorisation by
entering a passk ey) #
Select the Blue tooth®
name of the mobile
phone. #
Choose a one tosixteen-digit number combi‐
nation as a passk ey. #
Multimedia sy stem: enter the passk eyand
select a. #
Mobile phone: enterthe passk eyagain and
con firm.
% Upto15 mobile phones can be auth orised
on the multimedia sy stem.
All telephones are automatically reconnec‐
te d.
Disconnecting a mobile phone (de-au thoris‐
ing)
Multimedia sy stem:
, Telephone .
á Connect device -
Mobile phone #
Select the mobile phone from the device list. #
Select ¥. #
Select De-authorise. #
Select Yes. Switching mobile phones
Re
quirement:
R The mobile phones are authorised
(→ page 290).
Multimedia sy stem:
, Telephone .
á Connect device -
Mobile phone #
Select the mobile phone from the device list.
% Only one mobile phone can be connected at
any one time. The connected mobile phone
is displa yed at theto p of the list.
Using the mobile phone with NearField Com‐
munication (NFC)
Re quirements:
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)
NFC enables short-ra nge wireless data transfer. Multimedia sy
stem 291

#
Avoid fire , naked flames, creating
spar ksand smoking. #
Make sure that there is suf ficient venti‐
lation du ring thech arging process and
during starting assis tance. #
Do not lean over a batter y. If
th e indicator/warning lamps in the instrument
clus ter do not light up at low temp eratures, it is
ve ry likely that the dischar ged battery has fro‐
zen. &
WARNING Risk ofexplosion from a fro‐
zen battery
A dischar ged battery may freeze at temp era‐
tures slightly abo veor below freezing point.
During starting assis tance or battery charg‐
ing, bat tery gas may be released. #
Alw aysth aw a frozen bat tery out first
before charging it or per form ing start‐
ing assis tance. The service li
feof a battery that has been
th awe d may be dramatically shor tened. It is
recommended that you ha veathaw ed bat‐
te ry checked at a qualified specialist workshop.
All vehicles
* NO
TEDama gecaused bynumerous or
ex tended attem ptsto start the engine Nume
rous or extended attem ptsto start the
engine may damage the catalytic con verter
due tonon-combu sted fuel. #
Avoid numerous and extended attem pts
to start the engine. Obser
vethefo llowing points during starting
assis tance and when charging the battery:
R Only use undamaged jump lead/charging
cables with a suf ficient cross-section and
insula tedte rm inal clamps.
R Non- insulated parts of thete rm inal clamps
must not come into con tact wi thother me tal
parts while the jump lead/charging cable is
connected tothe battery/jump-s tart connec‐
tion point. R
The jump leads/charging cable must not
come into contact wi thany parts which may
mo vewhen the engine is running.
R Alw ays make sure that nei ther you nor the
battery is elect rostatically charge d.
R Keep away from fire and naked flames.
R Do not lean overth e batter y.
R When charging: only use battery charge rs
te sted and appr ovedby Mercedes-Benz and
re ad the battery charge r's operating instruc‐
tions before charging the batter y.
Obser vethe additional following points during
st arting assis tance:
R Starting assis tance may only be pr ovided
using batteries with a nominal voltage of
12 V.
R The vehicles must not touch.
R Petrol engine: Only acceptstarting assis‐
ta nce if the engine and exhaust sy stem are
cold. #
Secure theve hicle byapplying the electric
parking brake. 374
Breakdown assis tance

When
your vehicle is then towe daw ay, signif‐
icantly more ef fort may be requ ired tosteer
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 376). #
Connect theto w bar totheto wing eyeto
load 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 373). #
Load theve hicle onto the transpor ter. #
Vehicles with automatic transmission:
shift the automatic transmission toposition
j. #
Use the electric parking brake tosecure the
ve hicle and pr event it from rolling away. #
Only secure theve hicle bythe wheels. Ve
hicles with ADS PLUS (Adaptive Damping
Sy stem PLUS) &
WARNING Risk of an accident when
transporting vehicles with Adaptive
Damping Sy stem PLUS
The reduced damping forc es on theve hicle
being transpor ted can cause theve hicle/
trailer combination tostart toswing.
As a result, when transporting vehicles with
th eAd aptive Damping Sy stem PLUS, the
ve hicle/trailer combination may start toskid.
Consequentl y,yo u could lose cont rol of your
ve hicle. #
When transporting, ensure that:
R theve hicle has been loaded onto
th e transpor ter cor rectly
R theve hicle is secured at all four
wheels with suitable tensioning
st ra ps
R the maximum permissible speed of
60 km/h is not exceeded when
transporting 378
Breakdown assis tance

*
NO
TEDama getotheve hicle from secur‐
ing it incor rectly #
After loading, theve hicle must be
secured on all four wheels. Otherwise,
th eve hicle could be damaged. #
A minimum dis tance of 20 cm up wards
and 10cm down wards must be kept to
th e transport platform. #
Secure theve hicle on all four wheels af ter
loading.
4MATIC vehicles/ vehicles with automatic
transmission #
Make sure that the front and rear axles come
to rest on the same transport 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. To
wing eyesto rage location To
wing eye1 is in a stowage compartment
under the boot floor. Fi
tting the towing eye #
Press the mark on co ver1 inwa rds and
re mo ve. #
Screw intheto wing eyeclockwise tothe
st op.
Ve hicles with a trailer hitch: vehicles with a
trailer hitch do not ha vea brac ket at the back for Breakdown assis
tance 37 9