2021 MERCEDES-BENZ C-CLASS CABRIOLET radio

Ra
dio overview 1
Active frequency band
2 Station name or set frequency
3 Artist, title, album and radio text
4 Station list
5 Presets
6 Radio source
7 Sound 8
Tag this song
9 Options Setting
the frequency band Multimedia sy
stem:
4 Radio 5
Þ Radio source #
Select a frequency band. Selecting a
radio station Multimedia sy
stem:
4 Radio #
Navigate up or down. Multimedia sy
stem 341

Calling up
thera dio station list Multimedia sy
stem:
4 Radio 5
è #
Select a station. Sear
ching forra dio stations using station
names or direct frequency entry Multimedia sy
stem:
4 Radio 5
è #
Ente r astation name or frequenc y.#
Select a.
The sea rchre sults are displa yed. #
Select a station. St
oring radio stations Multimedia sy
stem:
4 Radio 5
ß Presets #
Select Store current station in the presets . Managing
radio station presets Multimedia sy
stem:
4 Radio 5
ß Presets
Moving stations: #
Highlight a preset entry and navigate tothe
left. #
Select Move highlighted station. #
Select a memo rypreset.
Deleting stations: #
Highlight a preset entry and navigate tothe
left. #
Select Delete highlighted station. #
Select Yes. Calling up a slide show (FM/DAB
radio mode) Multimedia sy
stem:
4 Radio 5
Þ Radio source
5 FM/DAB radio Slide show
1displa ysadditional information
pr ov ided bythest ation as an image. This can
include logos, album co vers, music trac ks, pro‐
grammes, ne wsor service information, forex am‐
ple. The additional information is shown in full-
sc reen mode byselecting 2. #
Toactivate full-screen mode: select#
Full screen. 342
Multimedia sy stem

#
Todeactivate full-sc reen mode: select
%. Ac
tivating or deactivating the frequency fix
function Multimedia sy
stem:
4 Radio 5
Z Options 5
Frequency fix #
Activate Oor deacti vate ª the function.
If th e function is activated, the set frequency
is ke pt eve n ifthere ception is poo r. Ta
gging music trac ks Multimedia sy
stem:
4 Radio
If ra dio stations pr ovide there leva nt information,
th is function allo wsyouto trans fer information
on the music track cur rently pl aying toan
Apple ®
device. You can then pur chase the audio
fi le from iTunes ®
. #
Select ♫→ Tag this song.
The track information is sa ved. Switching traf
fic announcements on/off Multimedia sy
stem:
4 System 5
õ Audio
5 Navigation and traffic announcements #
Activate Oor deacti vate ª the function.
or #
Press and hold the8 button on the multi‐
function steering wheel. Setting
the traf fic information service vol‐
ume increase Multimedia sy
stem:
4 System 5
õ Audio
5 Navigation and traffic announcements #
Select Traffic announcements volume
increase. #
Select No increase or avalue. Ac
tivating/deactivating radio text Multimedia sy
stem:
4 Radio 5
Z Options
5 Display radio text information #
Activate Oor deacti vate ª the function. TV
Information on
TVmode In
fo rm ation on copy right pr otection and
tradema rks
Ubiquitous DTCP-MOST
Copyright ®
20 15 Ubiquitous Corp.
DV B and DVB logos are tradema rks of theDVB
Project.
The TVtuner enables reception of digital chan‐
nels according tothefo llowing standards:
R DVB-T
R DVB-T2
In some countries, thest andards may not be
av ailable, or may not be available in all areas. Multimedia sy
stem 343

Multimedia sy
stem:
4 Media 5
à Media sources 5
TV
5 ß Presets #
Select theTV channel.
Selecting TVchannels in the bac kground
Re quirements:
R An application is active, e.g. the navigation.
R TVmode is switched on in the bac kground
and the sound from the selected TVchannel
can be heard #
Press theD button on theto uchpad.
The media menu is called up. #
Navigate up or down.
The next or pr evious TVchannel is selec ted. Displaying cur
rent prog ramme in form ation
fo r the selected channel (EPG)
Multimedia sy stem:
4 Media 5
à Media sources 5
TV
5 Z Options #
Select Electronic Program Guide.
EPG displa ys thefo llowing information (if
av ailable):
R Broadcast times
R Names of the cur rent and upcoming pro‐
grammes #
Select programme information and confirm.
The de tails are displa yed. #
Toscroll: swipe up or down on theto uch‐
pad. #
Toexitth e detailed displa y:press the%
button.
Fu nction of thech annel fix setting
Channel fix is switched on
The channel is not changed. This is useful if, for
ex ample, you drive theve hicle thro ugh reception re
gions that ove rlap. It pr events frequent switch‐
ing ba ckand forth between thech annels.
The FIXindicator is displa yed af terth e name of
th eTV channel.
Channel fix is switched off
Depending on reception qualit y,theTV tuner
au tomatical lyswitches toan alternative channel
with the same programme conte nt but better
re ception. Using this function, the best possible
te levision picture can be found, rega rdless of the
re ception qualit y.
Ac tivating/deactivating channel fix
Multimedia sy stem:
4 Media 5
à Media sources 5
TV
5 Z Options #
Switch Channel fix onO or off ª. Channel list
overview The
TVtuner sho wsthe cur rent programme on
th e digital TVchannels or radio stations with
adequate reception in its ownch annel list. Multimedia sy
stem 347

Note
s ontech nical data
* NO
TEMercedes-AMG vehicles #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. The
tech nical da tawa s de term ined in accord‐
ance with EU Directives. The data stated on ly
applies tovehicles with standard equipment. Yo u
can obtain fur ther information from a Mercedes-
Benz Service Centre.
Only for ce rtain countries: you can find vehi‐
cle-specific vehicle data in the COC documents
(CERTIFIC ATE OF CONFORMITY). These pape rs
are included with theve hicle. On-board electronics
Note
s on tampering with the engine elec‐
tronics *
NO
TEPremature wearthro ugh improper
main tenance Improper maintenance may cause
vehicle
components towe ar more quickly and the
ve hicle's operating permit may be in valida‐
te d. #
Alw ays ha vewo rkon the engine elec‐
tronics and related components car ried
out at a qualified specialist workshop. Tw
o-w ayradios Note
s onfitting two-w ayradios &
WARNING Risk of accident due to
improper workon two-w ayradios
If two-w ayradios are manipulated or retrofit‐
te d incor rectl y,the electromagnetic radiation
from the two-w ayradios can inter fere with th
eve hicle electronics and jeopardise the
operating saf ety of theve hicle. #
You should ha veall workon electrical
and electronic components car ried out
at a qualified specialist workshop. &
WARNING Risk of accident from incor‐
re ct ope ration of two-w ayradios
If yo u use two- wayra dios in theve hicle
improperly, their electromagnetic radiation
can disrupt theve hicle's electronics. This is
true in thefo llowing situations, in particular:
R The two-w ayradio is not connec tedto an
ex terior aerial.
R The exterior aerial is fitted inco rrectly or
is not a lo w-reflection aerial.
This could jeopardise the operating saf ety of
th eve hicle. #
Have the lo w-reflection exterior aerial
fi tted at a qualified specialist workshop. 412
Tech nical da ta

#
When operating two-w ayradios in the
ve hicle, alw ays connect them tothe
lo w- reflection exterior aerial. *
NO
TEInva lidation of the operating per‐
mit due tofailure tocomply wi th the
instructions for ins tallation and use The operating permit may be in
validated if
th e instructions for ins tallation and use of
two-w ayradios are not obser ved. #
Only use appr oved frequency bands. #
Obser vethe maximum permissible out‐
put po wer in these frequency bands. #
Only use appr oved aerial positions. 1
Rear wings
Use Tech nical Specification ISO/TS 21609 (Road
Ve hicles – "EMCs for ins tallation of af term arket
ra dio frequency transmitting equipment") when
re trofitting two-w ayradios. Comply with the
legal requirements for de tach able parts.
If yo ur vehicle has fittings for two-w ayradio
equipment, use the po wer supp lyand aerial con‐ nec
tors prov ided in the pre-ins tallation. Obser ve
th e manufacturer's supplements when fitting.
Tw o-w ayradio transmission output
The maximum transmission output (PEAK) at the
base of the aerial must not exceed theva lues in
th efo llowing table.
Fr equency band and maximum transmission
output Fr
equency band Maximum transmis‐
sion output
Sho rtwa ve
3 - 54 MHz 30 W
4 m frequency band
74 - 88 MHz 15 W
2 m frequency band
14 4 - 174 MHz 25 W
trunked radio sys‐
te m/T etra
380 - 460 MHz 10 W Te
ch nical da ta413

Fr
equency band Maximum transmis‐
sion output
70 cm frequency
band
420 - 450 MHz 15 W
Tw o-w ayradio
(2G/3G/4G) 10 WThe
following devices can be used in theve hicle
without restrictions:
R two-w ayradios with a maximum transmission
output of up to100 mW
R two-w ayradios with transmit ter frequencies
in the 380 - 410 MHz frequency band and a
maximum transmission output of up to2 W
(trunked radio sy stem/T etra)
R mobile phones (2G/3G/4G)
There are no restrictions when positioning the
aerial on the outside of theve hicle forth efo llow‐
ing frequency bands:
R trunked radio sy stem/T etra
R 70 cm frequency band R
2G/3G/4G Re
gulatory radio identification of small
co mp onents
Manufacturer information about radio-based
ve hicle components can be found using thekey
phrase "Regulatory radio identification" in the
Digital Operator's Manual in theve hicle, on the
internet and in the app. Ve
hicle identification plate, VIN and engine
number overview
Ve hicle identification plate 414
Tech nical da ta

Display messages
Possible causes/consequences and M
MSolutions
Á 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: #
Stop theve hicle immediately in accordance with the traf fic conditions. #
Place theke y in the slot forst arting the engine with theke y (/ page139).
Place the key in the
marked space See Owner's
Manual *K
eydetection is malfunctioning. #
Change the location of theke y in theve hicle. #
Place theke y in the slot forst arting the engine with theke y (/ page139). Displ
aymessa ges and warning/indicator lamps 435