transmission MERCEDES-BENZ C-CLASS CABRIOLET 2021 Owner's Guide

#
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

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 tobe vie wed in the multi‐
media sy stem (see the manufacturer's oper‐
ating instructions).
R Setting up theve hicle's Wi-Fi access da tavia
th e sy stem settings (/ page 260).
Fu rther information can be found at: https://
www.mercedes-benz-mobile.com/
Using a mobile phone with Near-Field 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) Connecting a mobile phone
#
Open stowage compartment co ver1. #
Hold the NFC inter face of the mobile phone
(see manufacturer's operating instructions)
on mat 2or place the mobile phone on mat
2 with the display facing up wards.
The mobile phone is connected tothe multi‐
media sy stem. #
Follow the additional prom pts on the media
display toconnect the mobile phone.
Re placing a mobile phone #
Hold the NFC inter face of the mobile phone
(see manufacturer's operating instructions) on mat
2or place the mobile phone on mat
2 with the display facing up wards.
Fu rther information can be found at: https://
www.mercedes-benz-mobile.com/
Setting there ception and transmission vol‐
ume
Re quirements:
R The mobile phone is authorised
(/ page 298).
Multimedia sy stem:
4 Telephone 5
Z Options
5 Telephone
This function ensures optimal language qualit y. #
Select Reception volume orTransmission
volume. #
Set thevo lume.
Fu rther information on there commended recep‐
tion and transmission volume: https://
www.me rcedes-benz-mobile.com/ Multimedia sy
stem 301

The mobile phone continues
tobe supplied
with elect ricity.
or #
Disconnect the connecting cable between
th e mobile phone and multimedia sy stem.
Mercedes-Benz recommends disconnecting
th e connecting cable only when theve hicle is
st ationar y. Tr
ansfer redve hicle data with Android Auto
and Apple CarPlay ®Overview of transfer
redve hicle data
When using Android Autoor Apple CarPlay ®
, cer‐
ta in vehicle data is transfer redto the mobile
phone. This enables youto getth e best out of
selected mobile phone services. Vehicle data is
not directly accessible.
The following sy stem information is transmit ted:
R Software release of the multimedia sy stem
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 267).
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 calls
Making a call via the
overhead control panel
Requ irements:
R You ha veaccess toa GSM networ k.
R The contra ct partner's GSM network co ver‐
age is available in there spective region.
R The ignition is switched on so that vehicle
data can be transfer red automaticall y.
% Mercedes me calls are not possible in every
count ry. Find out at a Mercedes-Benz
service centre if these functions are availa‐
ble in your count ry. Multimedia sy
stem 313

appears asking if
youwo uld like tomake an
appointment. #
Toarra nge a service appointment: select
Call .
Af teryo ur agreement theve hicle data is sent
and a Mercedes-Benz Cus tomer Centre
emplo yee deals with your appointment. The
information is then sent toyour desired
service outlet.
This will contact youto confirm the appoint‐
ment and if necessary consult about the
de tails.
% Ifyo u select Call later afte rth e service mes‐
sage appears, the message is hidden and
re appears at a later time.
Giving consent todata transfer during a
Mercedes me call
Re quirements:
R A service call is active using the multimedia
sy stem (/ page314) or theove rhead con‐
trol panel (/ page313).
If th eAc cident and Breakdown Management
service is not acti vated on Mercedes me, theDo you want to transmit vehicle data and the vehi-
cle's position to the Mercedes-Benz Customer
Centre in order to improve the processing of
your request? message appears. #
Select Yes.
The releva nt vehicle data is sent automati‐
call y.
More information on Mercedes me: https://
www.mercedes.me
Tr ansfer red data during a Mercedes me call
If yo u initiate a service call using Mercedes me,
data is transfer redto enable targeted advice and
an ef ficient service.
The following requ irements must be fulfilled for
th e transfer of the data:
R The ignition is switched on.
R The requ ired data transfer tech nology is sup‐
po rted bythe mobile phone network pro‐
vider.
R The quality of the mobile connection is suf fi‐
cient. Multi-s
tage trans fer depends on thefo llowing
fa ctors:
R Reason forth e initiation of the call
R The available mobile phone transmission
te ch nology.
R The acti vated Mercedes me connect serv‐
ices.
R The service selected in thevo ice control sys‐
te m.
% A prom ptfor consent tothe data transmis‐
sion only occurs if the cor responding
Mercedes me connect service is not activa‐
te d.
Data transfer if Mercedes me connect serv‐
ices are not activated
If no Mercedes me connect services are activa‐
te d and the data pr otection prom pthas been
confirmed thefo llowing data is transmitted:
R Vehicle identification number
R Time of the call
R Reason forth e initiation of the call
R Confirmation of the data pr otection prom pt 316
Multimedia sy stem

Deleting a
voice tag #
Select Delete.
A message appears asking whe ther youwa nt
to dele tethevo ice tagfo rth eTV channel. #
Select Yes. TV
prog ramme Overvi
ewof audio language and subtitles
Au dio language
R A selection from theav ailable audio lan‐
guages can be made for a programme broad‐
cast in multiple languages.
R If English, forex ample, is set as the sy stem
language and a TVchannel is broadcasting in
th is language, En glish is selec ted automati‐
cally.
The prog ramme transmission may be indica ted
with thefo llowing symbols:
m Programme with audio explanations for
th e visually impaired
o Stereo broadcast n
Programme forth e hearing impaired
O Broadcast in sur round sound
If a symbol is not shown, the programme is
either broadcast in mono or the transmission
properties are unkn own.
Subtitles
R The function is switched on: subtitles are
shown in the selected language forth e cur‐
re nt programme (if available).
Setting theTV audio language
Multimedia sy stem:
4 Media 5
à Media sources 5
TV
5 Z Options #
Select Audio/subtitles. #
Select one of theav ailable audio languages.
% The audio language selec ted only applies to
th e cur rent programme. Setting the
TVsubtitles
Multimedia sy stem:
4 Media 5
à Media sources 5
TV
5 Z Options #
Select Audio/subtitles. #
Select Show subtitles.
Switch the subtitles on Oor off ª. #
Select one of theav ailable languages forthe
subtitles. Te
lete xt Te
lete xt ove rview
Te lete xt pa ges are located between page 100
and page 899.
A dynamic telete xt pa geconsi sts of se veral sub‐
pages.
Information on MHEG-5 digital telete xt:
R Digital telete xt is only available in some
countries, e.g. the UK and New Zealand
R Interactive multimedia applications such as
we ather fore casts, ne wsreports and sport
re sults are available Multimedia sy
stem 349

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. In this case you may neither jump-s tart the
ve hicle nor charge the batter y.
The service life of a battery that has been
th awe d may be dramatically shor tened. The
st arting characteristics may be impaired, espe‐
cially at low temp eratures.
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 lead/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.
Obser vethe additional following points when
ch arging the battery:
R Only use battery charge rs tested and
appr oved for Mercedes-Benz.
R Read 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 vehicles, batteries or other jump start
devices with a nominal voltage of 12V.
R The vehicles must not touch.
R Vehicles with a petrol engine: jump-start
th eve hicle only when the engine and exhaust
sy stem are cold. St
arting assi stance and charging the12 V
battery Preparing
starting assi stance/charging #
Secure theve hicle byapplying the electric
parking brake. #
Automatic transmission: shiftthe trans‐
mission toposition j. #
Manual transmission: shiftthe transmis‐
sion toneutral. #
Switch off the ignition and all electrical con‐
sumers. #
Open the bonn et. 384
Breakdown assis tance

To
avo id damage totheve hicle, deactivate
th ese sy stems in thefo llowing or similar sit‐
uations: #
During towing #
In a car wash Mercedes-Benz
recommends transporting your
ve hicle in the case of a breakdown, rath er than
to wing it away.
Fo rto wing, use a tow rope or tow bar with bo th
axles on the ground. Do not use tow bar sys‐
te ms.
* NO
TEDama getotheve hicle due to tow‐
ing away incor rectly #
Obser vethe instructions and no tes on
to wing away. Ve
hicles with manual transmission Pe
rm itted towing me thods
Bo th axles on
th e ground Ye
s, maximum 50 km at
50 km/h
Fr ont axle
ra ised Ye
s, maximum 50 km at
50 km/h
Re ar axle
ra ised Ye
s, maximum 50 km at
50 km/h Ve
hicles with automatic transmission Pe
rm itted towing me thods
Bo th axles on
th e ground Ye
s, maximum 50 km at
50 km/h
Fr ont axle
ra ised No
Re ar axle
ra ised Ye
s, if thesteering wheel is
fi xe d in the cent reposition
with a steering wheel lock 4MATIC
vehicles Pe
rm itted towing me thods
Bo th axles on
th e ground Ye
s, maximum 50 km at
50 km/h
Fr ont axle
ra ised No
Re ar axle
ra ised No To
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 (/ page 386). #
Make sure 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 Breakdown assis
tance 387

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 389). A towing vehicle with lifting
equipment is requiredforve hicle transpor ta‐
tion.
* 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 ano ther vehicle is tow- star ted or towed
aw ay, its weight must not exceed the permis‐
sible gross mass of your ow nve hicle, other‐
wise thefo llowing could occur:
R theto wing eye may become de tach ed.
R theve hicle/trailer combination may
swer veoreve nov erturn. #
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 weight must not exceed the
permissible gross weight of theto wing vehicle. #
Information on the permissible gross mass of
th eve hicle can be found on theve hicle iden‐
tification plate (/ page414). #
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 390). #
Fasten theto w bar.
* NO
TEDama gedue toincor rect connec‐
tion of theto w bar #
Onlyconnect theto w rope or tow bar to
th eto wing eyes. #
Deactivate the automatic locking mechanism
(/ page 78). #
Do not activate the HOLD function. #
Deactivate tow- aw ay protection
(/ page 93). #
Deactivate Active Brake Assi st
( / page 193). #
Vehicles with automatic transmission:
shift the automatic transmission toposition
i. #
Release the electric parking brake. 388
Breakdown assis tance

&
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.
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 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 387). #
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 384). #
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 against 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
When transporting vehicles with Adaptive
Damping Sy stem PLUS, theve hicle/trailer
combination may begin torock andstart to
skid. #
When transporting, ensure that:
R theve hicle has been loaded onto
th e transpor ter cor rectly Breakdown assis
tance 389

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 *
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 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. To
wing eyesto rage location The
towing eye is located in thestow age space
under the boot floor. Installing
theto wing eye #
Press the mark on co ver1 inwa rds and
re mo ve. 390
Breakdown assis tance