MERCEDES-BENZ C-CLASS CABRIOLET 2021 Owners Manual

#
Select Summer Time. #
Select OnorOff.
Setting the time and date form at
Multimedia sy stem:
4 System 5
& Time and date
5 Set format #
Set the date and time form at#.
Setting the time manually
Re quirements:
R The Manual time adjustment function is
switched on.
Multimedia sy stem:
4 System 5
& Time and date
5 Set time #
Set the hours. #
Navigate totheright toset the minutes. #
Set the minutes. #
Confirm changes when exiting the menu.
The date is set automatically via GPS. Connectivity
Switching transmission of
theve hicle posi‐
tion on/off
Multimedia sy stem:
4 System 5
ö Connectivity #
Select Transmit vehicle pos.. #
Activate Oor deacti vate ª the function. Blue
tooth ® Information about Blu
etoo th®
Bl ue tooth ®
tech nology is a standard for short-
ra nge wi reless data transfer up toappr oximately
10 m.
Yo u can use Blue tooth®
to connect your mobile
phone tothe multimedia sy stem and use thefo l‐
lowing functions, forex ample:
R Hands-free sy stem with access tothefo llow‐
ing options:
- con tacts (/ page 303)
- call lists (/ page 305)
- text messa ge (/page 306) R
Internet connection (/ page 322)
R Listening tomusic via Blue tooth®
audio
R Trans ferring business cards (vCards) into the
ve hicle
Blue tooth ®
is a regis tere d trademark of Blue‐
toot h Special Interest Group (SIG) Inc.
% Internet connection via Blue tooth®
is not
av ailable in all countries.
Ac tivating/deactivating Blue tooth ®
Re quirements:
R Deactivate Blue tooth®
: Apple CarPl ay®
is not
active.
Multimedia sy stem:
4 System 5
ö Connectivity #
Activate Oor deacti vate ª Bluetoo th®
.
If Android Autois active, a prom ptappears ask‐
ing whe ther Blue tooth®
should be deactivated. #
Select Yes.
Android Autois closed and Blue tooth®
is
deactivated. 258
Multimedia sy stem

Wi
-Fi Wi
-Fi connection overview
Yo u can use Wi-Fi toestablish a connection with
a Wi -Fi network and toaccess the Internet or
ot her network devices.
The following connection options are available:
R Wi-Fi connection
The Wi-Fi connection toaWi -Fi-capable
device, e.g. the cus tomer's mobile phone or
a ta blet PC is es tablished.
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
Requ irements:
R The device tobe connec ted supports one of
th eth re e means of connection described
(/ page 259).
Multimedia sy stem:
4 System 5
ö Connectivity
Ac tivating/deactivating Wi-Fi #
Switch Wi-FionO or off ª.
If Wi-Fi is deactivated ª, communication via
Wi -Fi toall devices is inter rupte d. This also
means that a connection tothe HERMES
communication module cann otbe es tab‐
lished. Then functions such as dynamic route
guidance with Live Traf fic Information are not
av ailable.
Connecting the multimedia sy stem with a
device via Wi-Fi
This function is not available if a HERMES com‐
munication module is 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.
Using a security key #
Select a Wi-Fi network in the list. #
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. Multimedia sy
stem 259

Using a WPS PIN
#
Highlight a Wi-Fi network in the list. #
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.
Using a button
% This function is only available in a Wi-Fi fre‐
qu ency of 2.4 GHz. #
Highlight a Wi-Fi network in the 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.
Device has already been connected: #
Toautomatically connect: highlight aWi-Fi
network in the list. #
Activate ¥ Connect automaticallyO. #
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
Re quirements:
R For connection bypressing a button: this
function is only available in a Wi-Fi frequency
of 2.4 GHz.
Multimedia sy stem:
4 System 5
ö Connectivity
Configuring the multimedia sy stem as a Wi-
Fi hotspot
% The availability of this function is dependent
on the count ry.
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.
Generating a WPS PIN #
Select ¥Connect using WPS PIN genera-
tion . #
Ente rth e PIN shown in the media display on
th e device tobe connec ted and con firm.
Connecting using a WPS PIN #
Select ¥Connect 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.
Connecting using a button #
Select ¥Connect via WPS PBC. #
Press the WPS button on the device tobe
connec ted or select Connect. 260
Multimedia sy stem

#
Select Continue inthe multimedia sy stem.
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 the
SSID MB Hotspot XXXXX .#
Enter the security key which is shown in the
media display on the device tobe connec ted. #
Confirm the entry.
Connecting using NFC #
Select Establish a connection 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 (/ page 301). #
Select Done.
The mobile device is now connected tothe
multimedia sy stem hotspot via NFC.
Generating a new security key: #
Select Set up 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. Managing COMAND
Touch devices Re
quirements:
R The COMAND Touch app is ins talled on the
ex tern al device (e.g. tablet or smartphone).
R Wi-Fi is acti vated (/ page 259) and the mul‐
timedia sy stem is confi gured as a Wi-Fi hot‐
spot (/ page 260).
Multimedia sy stem:
4 System 5
COMAND Touch
Connecting and authorising a new device #
Select Authorise a new device. #
Select Connect new device. #
Ente rth e security key in theex tern al device.
The Please start COMAND Touch on your
device and follow the instructions. message
appears. #
Select Continue. #
The connection requ est from the device
Accept. #
Ente rth e PIN shown on theex tern al device.
The device is authorised.
Au thorising a 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. message
appears. #
Select Continue. #
The connection requ est from the device
Accept. #
Ente rth e PIN shown on theex tern al device.
The device is authorised. Multimedia sy
stem 261

De-authorising
the device #
Select an authorised device from the list.
A prom ptwill appear asking whe ther you
wo uld like tode-authorise the selected
device. #
Select Yes.
The device is de-authorised. Ac
tivating/deactivating child saf ety lock Multimedia sy
stem:
4 System 5
Parental control
Locking or unlocking an extern al device #
Select an extern al device. #
Select Lock.
The device connec ted via theCO MAND
To uch app is loc kedO or unloc kedª. 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:
4 System 5
Language #
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 

Importing/exporting data
* NO
TELoss of da tadue topremature
re mo val #
Do not remo vethe data storage
medium when data is being expor ted.
Mercedes-Benz is not liable for any loss of
data. Re
quirements:
R The vehicle is stationar y.
R The ignition is switched on or theve hicle has
been star ted.
R The SD card is inser ted (/ page 329) or the
USB device is connecte d (/page 331).
Multimedia sy stem:
4 System 5
System backup #
Select Import data orExport data.
Importing #
Select a data storage medium.
A prom ptappears asking whe ther youre ally
wish to overwrite the cur rent da ta. If da ta originates from ano
ther vehicle, this is recog‐
nised du ring da tareading.
The multimedia sy stem is restar ted once the
data has been impor ted.
% Current vehicle settings can be edited af ter
th e import.
Exporting
If PIN pr otection is activated, your PIN is reques‐
te d. #
Ente rth efo ur-digit PIN. #
Select a data storage medium.
The data is expor ted. The data export may
ta ke several minutes. Ac
tivating/deactivating PIN pr otection Re
quirements:
To unlo ckthe PIN:
R There is an Internet connection.
R A Mercedes me account exists at https://
me.secure.mercedes-benz.com. R
The Personalisation service is active
(/ page 264).
Multimedia sy stem:
4 System 5
PIN protection
Setting the PIN #
Select Set PIN. #
Enter a four-digit PIN. #
Enterth efo ur-digit PIN again.
If bo thPINs match, PIN pr otection is active.
Changing the PIN #
Select Change settings. #
Enterth e cur rent PIN. #
Select Change PIN . #
Set a new PIN.
Ac tivating PIN pr otection for data export #
Select Change settings .
Confirm wi th the PIN. #
Select Protect data export.
Ac tivate Oor deacti vate ª the function. Multimedia sy
stem 263

Un
blocking the PIN
If th e PIN has been entered incor rectly three
times, the PIN will be bloc ked. You can ha ve a
single-use password sent to you via the
Mercedes me connect online por talto reset the
PIN pr otection. #
Select Unblock PIN. #
Ente rth e single-use password.
PIN pr otection is reset, and you can set a
new PIN.
% The availability of this function is country
dependent and may not be available in your
count ry.
Alternati vely, you can ha vePIN pr otection
re set at a Mercedes-Benz service centre. User profile
Setting a user profile
Multimedia sy
stem:
4 System 5
g Personalisation
Displaying a user profile when starting
If th is function is active, a prom ptappears when
st arting the sy stem asking which user profile to
use. #
Select Display profile list after start . #
Activate Oor deacti vate ª the function.
Selecting a user profile #
Select Guestor individual profile #.
% Some settings from the user profile are only
loaded when theve hicle is stationary or
when the ignition is switched on.
Au tomatic syn chronisation
Each time the ignition is switched off or on, the
individual user profiles are synchronised on the
multimedia sy stem and on the ser ver.This
ensures that the latest user profiles are availa‐
ble. #
Select Automatic synchronisation. #
Activate Oor deacti vate ª the function.
% For more information about importing/
ex porting user profiles (/ page 265).
Creating a user profile
Multimedia sy stem:
4 System 5
g Personalisation
5 Create profile #
Ente r a name. #
Select a.
The following information is sa ved in the user
profile, forex ample:
R System settings
R Settings in theTV tuner's channel list
R Navigation and traf fic information
The settings di ffer depending on theve hicle
equipment. 264
Multimedia sy stem

Importing/exporting a user profile
Re
quirements:
R There is an Internet connection
(/ page 323).
R A Mercedes me account exists at https://
me.secure.mercedes-benz.com.
R The Personalisation service is active.
R The function is available in your count ry.
Multimedia sy stem:
4 System 5
g Personalisation
5 Manual export/import
Importing a user profile #
Select Import profiles from the server.
The The profile import overwrites the exist-
ing profiles. Do you want to continue? mes‐
sage appears. #
Select Yes.
User profiles are impor ted.
Exporting a user profile #
Select Export profiles to the server.
User profiles are expor ted. %
Only individual profiles can be impor ted or
ex por ted. The individual profiles are alw ays
collectively impor ted or expor ted.
% Certain settings, such as address book
ent ries or pr evious destinations from the
navigation sy stem, are not expor ted.
Setting user profile options
Multimedia sy stem:
4 System 5
g Personalisation #
Highlight a profile. #
Select ¥options.
The following options are available:
R Rename
R Delete
R Reset
% The guest profile cannot be dele ted or
re named. So
ftwa reupdates Information on software updates
The multimedia sy
stem displa ysa cor responding
message when a software update isavailable.
The availability of this function is dependent on
th e count ry.
Depending on the source, you can per form
va rious upda tes: Source of
the
update Up
date type
Up dates via mobile
phone Na
vigation map, sys‐
te m updates, Digital
Owner's Manual
Up dates via an exter‐
nal storage medium,
e.g. a USB flash drive Na
vigation maps %
Software updates via mobile phone requ ire
an active Internet connection forth eve hicle.
This is not available in all countries. For fur‐
th er information on connecting tothe Inter‐
net, see (/ page 322). Multimedia sy
stem 265

Ad
vantages of software updates
Software updates ensure your vehicle's tech nol‐
ogy is up-to-date.
In order tocons tantly impr ovethequ ality of our
services you will recei vefuture software updates
fo ryo ur multimedia sy stem, the Mercedes me
connect services and your vehicle's communica‐
tion module. These will be sent to you via the
mobile phone connection in your vehicle and, as
an option, ins talled automaticall y.Yo u can moni‐
to rth est atus of your software updates on the
Mercedes me Portal and find information about
po tential inno vations.
Yo ur advantages at a glance:
R Con veniently recei vesoftware update s via
th e mobile phone network
R Impr ovesth equ ality and availability of
Mercedes me connect services
R Keeps your multimedia sy stem and communi‐
cation module up-to-date
Fu rther information about software updates can
be found at https://me.secure.mercedes-
benz.com Car
rying out software updates
Requ irements:
R There is an Internet connection
(/ page 322).
R For automatic so ftwa reupdates: your
ve hicle has a permanently ins talled commu‐
nication module.
Multimedia sy stem:
4 System 5
Software update
Au tomatic so ftwa reupdates #
Activate Automatic online updates O.
The software upda tes will be downloaded
and ins talled automaticall y.
The cur rent status of the software update is
displa yed.
Manual software updates #
Switch off Automatic online updates ª. #
Select a software update from the list and
st art the update. Ac
tivating a so ftwa reupdate #
Restart the sy stem.
Fu nction of important sy stem upda tes
Impor tant sy stem updates may be necessary for
th e security of your multimedia sy stem's data.
Please ins tallth ese updates, otherwise the
security of your multimedia sy stem cann otbe
ensured.
% If automatic online updates are activated,
th e sy stem updates will be downloaded auto‐
matically (/ page 266).
As soon as a sy stem update is available for
download, a cor responding message appears on
th e media displa y.
Yo u ha vethefo llowing selection options:
R Download
The sy stem update will be downloaded in the
bac kground.
R Details
Info rm ation about the pending sy stem
update is displa yed.
R Later 266
Multimedia sy stem

The sy
stem update can be downloaded man‐
ually at a later time (/ page 266).
Yo u will be informed when the download is com‐
ple teand the sy stem update is ready for ins talla‐
tion.
% Park theve hicle safely in a suitable location
before starting the ins tallation.
Re quirements forth e ins tallation:
R The ignition is switched on.
R The engine is not running.
R Notes and warnings ha vebeen read and
accep ted.
R The parking brake is applied.
If all requirements are met, the sy stem update is
ins talled. The multimedia sy stem cann otbe
operated during the ins tallation and vehicle func‐
tions are restricted.
If er rors should occur during the ins tallation, the
multimedia sy stem automatically attem ptsto
re store the pr evious version. If restoration of the
pr ev ious version is not possible, a symbol
appears on the multimedia sy stem displa y.Con‐ sult a
qualified specialist workshop toresol ve
th e problem. Re
set function &
WARNING Risk of accidents due tofail‐
ure of multimedia display functions
While the multimedia sy stem is being reset,
its functions such as there ve rsing camera
are not available. #
Only re setthe multimedia sy stem when
th eve hicle is stationar y. Multimedia sy
stem:
4 System 5
Reset
Pe rsonal data is dele ted, forex ample:
R Station presets
R Connec ted mobile phones #
Select Yes.
If PIN pr otection is activated, a prom ptappears
asking if you also wish torestore this to thefa c‐
to ry settings during a reset. #
Select Yes. #
Enter the cur rent PIN.
The PIN is reset.
or #
Select No.
The cur rent PIN stay sth e same af terre set‐
ting.
% Ifyo u ha veforg ottenyo ur PIN, a Mercedes-
Benz service centre can deactivate the PIN
pr otection foryo u.
A prom ptappears again asking whe ther you
re ally wish toreset. #
Select Yes.
The multimedia sy stem is reset tothefa ctory
settings. Multimedia sy
stem 267