ECO mode MERCEDES-BENZ C-CLASS COUPE 2021 Owner's Manual

#
Ifth e codes match: confirm the code on
th e mobile phone.
Connecting a mobile phone (authorisation by
entering a passk ey)#
Select the mobile phone. #
Choose a one tosixteen-digit number combi‐
nation as a passk ey.#
On the multimedia sy stem: enter the pass‐
ke y and select a. #
On the mobile phone: enterthe passk ey
again and con firm.
% Upto15 mobile phones can be auth orised
on the multimedia sy stem.
Auth orised mobile phones are reconnected
au tomatical ly.
Connecting a second mobile phone (two
phone mode)
Re quirements:
R Atleast one mobile phone is already connec‐
te dto the multimedia sy stem via Blue tooth ®
. Multimedia sy
stem:
4 Telephone 5
ª Devices #
Select Connect new device. #
Select Start search on the system .
The available mobile phones are displa yed. #
Select the mobile phone. #
Answer theHow would you like to connect
the new device? prompt. #
Toreplace the cur rently connected
mobile phone: selectPhone 1.
The cur rently connected mobile phone is
re placed bythe new mobile phone.
or #
Toconnect the second mobile phone:
select Phone 2.
The new mobile phone is connec ted as
Phone 2. If two mobile phones ha vealready
been connec ted, the second telephone is
re placed bythe new mobile phone.
or #
Touse the mobile phone as an audio
source: selectAudio source (/page 344). %
A mobile phone can be operated bo thas an
audio source as well as telephone in parallel.
% The type of connection forth e connected
mobile phone, forex ample as Phone 1,
Phone 2 or asAudio source , can berede‐
fi ned at any time. (/ page 306).
Fu nctions of the mobile phone in two phone
mode
Fu nctions overview Mobile phone in
the
fo re gr ound Mobile phone in
the
bac kground
Fu llra nge of func‐
tions Incoming calls In
terc hanging mobile phones (two phone
mode)
Re quirements:
R The mobile phones are authorised
(/ page 305). 306
Multimedia sy stem

Ad
justing the call and ringtone volume
Multimedia sy stem:
4 System 5
õ Audio 5
Telephone #
Select Speech volume orRingtone volume . #
Set thevo lume.
St arting or stopping mobile phone voice rec‐
ognition
Re quirements:
R The mobile phone is connec tedto the multi‐
media sy stem (/ page 305).
St arting mobile phone voice recognition #
Press and hold theó 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. Calls
Te
lephone operation
Multimedia sy stem:
4 Telephone 5
ª Contacts
Making a call #
Select Numerical keypad. #
Ente rth e number. #
Select w.
The call is made.
Ac cepting a call #
Select Accept.
Re jecting a call #
Select Reject.
No ting an incoming call in "In-Car Of fice" #
If "In-Car Of fice" is available: select
Reminder (/page 315).
Ending a call #
Select =. Ac
tivating functions during a call #
Toshow all functions, navigate down.
The following functions are available during a
call:
R End call
R Make additional call
R Keyboard (showtosend DTMF tones)
R Switch Mute mic onO or off ª.
R Private mode (an activecall in hands-free
mode is transfer redove rto thete lephone)
Conducting calls with se veral participants
Requ irements:
R There is an active call (/ page 309).
R Another call is being made.
Switching between calls #
Select call #.
The selected call is active. The other call is
on hold.
Ac tivating or ending a call on hold #
Select Continue call orEnd call. Multimedia sy
stem 309

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 (/ page274).
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. 320
Multimedia sy stem

R
Vehicle identification number
R Vehicle drive type
R Number of people de term ined tobe in the
ve hicle
R Whe ther Mercedes me connect is available
or not
R Whe ther the emer gency call was initiated
manually or automatically
R Time of the accident
R Language setting on the multimedia sy stem
Fo r accident clarification purposes, thefo llowing
measures can be take n up toan hour af terthe
emer gency call has been initia ted:
R The cur rent vehicle position can be de ter‐
mined.
R Avo ice connection totheve hicle occupants
can be es tablished
% ForRu ssia: various functions, e.g. receiving
traf fic information, cannot be used for up to
two hou rsafte r sending an emergency call. Self diagnosis function of
the emer gency call
sy stem
Yo ur car verifies the operability of the emer‐
ge ncy call sy stem each time the ignition is ON.
In case of sy stem failure, you will be informed
with text messa geon the instrument clus ter and
with red indicator SOS NOT READY onthe dis‐
pla y.
Please, make sure, that during 30 seconds af ter
switching ignition ON there d indicator SOS
NOT READY inthe upper right corner of display
is switched OFF, this means the emer gency call
sy stem passed diagnostics successfully.
St arting/ending ERA-GLONASS test mode
Re quirements:
R The star ter battery is suf ficiently charge d.
R The ignition is switched on.
R The vehicle has been stationary for at least
one minute.
% The test mode is cur rently available in the
fo llowing countries, forex ample:
R Russia R
Belarus
R Kazakh stan
R Armenia
R Kyrgyzs tan #
Tostart thete st mode: press and hold the
~ button on the multifunction steering
wheel for at least five seconds.
The test mode is star ted and automatically
ends af terth e language test has been per‐
fo rm ed. #
Toend thete st mode manuall y:switch off
th e ignition.
The test mode is ended. 328
Multimedia sy stem

The multimedia connection unit is
found in the
stow age compartment under the armrest and
has two USB ports.
Depending on theve hicle's equipment, addi‐
tional USB ports can be found in thestow age
compartment of the cent reconsole and in the
re ar passenger compartment. #
Connect the USB device tothe USB port.
Pla yable music files are pla yed back only if
th e cor responding media display is activated.
% Use the USB port identified byç touse
Apple CarPlay ®
and Android Auto.
% Depending on theve hicle equipment there is
an additional USB port in there ar passenger
compartment. Ports th at are labelled with a
bat tery symbol can only be used tocharge
USB devices.
Selecting a track in the media playba ck
Multimedia sy stem:
4 Media
Selecting a track byskipping toa track #
Toskip backwards or forw ards toa
track: navigate up or down. Selecting a track using
the cur rent track list #
Select è. #
Select Current track list. #
Select a tra ck.
Selecting playback options
Multimedia sy stem:
4 Media 5
Z Options
Playing back similar trac ks #
Select Play similar tracks.
A track li stwith similar trac ksis created and
pla yed bac k.
Playback mode #
Select Random playback of the current track
list.
The cur rent track li stis pla yed in random
orde r. #
Select Random playback of the current
medium.
All trac kson the active data storage medium
are pla yed in random orde r. #
Select Normal track sequence .
The cur rent track li stis pla yed in the order it
appears on the data storage medium.
Controlling media playback
Multimedia sy stem:
4 Media 5
Y Playback control
A bar with playback controls is shown. #
Topause playback: select and confirm
Y with th e cent ral control element.
The Ë symbol is displa yed. #
Toresume playback: select and confirm
Y again with the cent ral control element.
The Ì symbol is displa yed.
To fast forw ard/r ewind #
MoveË onthe timeline.
To hide the playback controls #
Press the% button. Multimedia sy
stem 339

The order of
thech annel lists is alphabetical or
countr y-specific.
The TVtuner requ ires a short amount of time to
update the information.
The channel lists show thefo llowing information:
R recei vable channel names
R programme title
The information is shown under thefo llowing
conditions:
R it is broadcast bythe digital channel
R there ception conditions are adequate Favo
urites Overview of
TVprog rammes (f avourites)
Yo u can sa veup to100 digital TVchannels in
fa vo urites.
Fo rqu ick- access you can sa veTV channels as
fa vo urites. Qui
ck-saving a TVchannel
Multimedia sy stem:
4 Media 5
à Media sources 5
TV #
In full-screen mode, press theto uchpad for
longer than thre e seconds.
The cur rent TV channel is stored in the
fa vo urites in the next available position.
St oring TVchannels
Multimedia sy stem:
4 Media 5
à Media sources 5
TV
5 ß Presets #
Select Store current station in the presets .
or #
Highlight a channel in thech annel list and
st ore as a favo urite.
The cur rent channel is stored in thefa vo ur‐
ites in the next available position.
Moving channels in thefa vo urites #
Highlight a channel in thefa vo urites. #
Select ¥Move highlighted station. #
Highlight the new position. #
Confirm the position.
Deleting channels #
Highlight a channel in thefa vo urites. #
Select ¥Delete highlighted station. #
Select Yes.
Using a voice tag
Multimedia sy stem:
4 Media 5
à Devices 5
TV
5 ß Favourites #
Highlight a TVchannel in thefa vo urites. #
Select ¥Voice tag . #
Alternatively: use a voice tag inthech annel
list.
Creating a voice tag #
Select Add. #
Say a voice tag.
A messa geappears when thevo ice tag has
been created.
Lis tening toavo ice tag #
Select Listen. Multimedia sy
stem 355

Note
s on MOExtended tyres (run-flat tyres) &
WARNING Risk of accident when driving
in li mp-home mode
Driving in emergency mode impairs the han‐
dling characteristics of theve hicle. #
Do not exceed the permissible maxi‐
mum speed of the MOEx tended tyres. #
Avoid any abrupt steering and driving
manoeuvres as well as driving over
obs tacles (kerbs, pot holes, off-road).
This applies, in pa rticular, toa loaded
ve hicle. #
Stop driving in the emer gency mode if
yo u notice:
R banging noise
R vehicle vibration
R smoke which smells like rubber
R continuous ESP ®
inter vention
R crac ksinthe tyre side walls #
After driving in emergency mode, ha ve
th erims checkedby aqu alified special‐ ist
workshop with rega rd totheir fur ther
use. #
The defective tyre must be replaced in
eve rycase. Wi
th MOExtended tyres (run-flat tyres), you can
continue todrive your vehicle even if there is a
tot al loss of pressure in one or more tyres. How‐
eve r,th e tyre af fected must not show any clearly
visible damage.
Yo u can recognise MOExtended tyres bythe
MOExtended marking which appears on the side
wa ll of the tyre.
Ve hicles with tyre pressure loss warning sys‐
te m: MOExtended tyres may only be used in
conjunction wi than activated tyre pressure loss
wa rning sy stem.
Ve hicles with tyre pressure monitoring sys‐
te m: MOExtended tyres may only be used in
conjunction wi than activated tyre pressure mon‐
itoring sy stem. If a pressure loss
warning message appears in
th e multifunction displa y,proceed as follo ws:
R Check the tyre for dama ge.
R If driving on, obser vethefo llowing no tes.
Driving distance possible in emer gency
mode af ter the pressure loss warning: Load condition Driving distance pos‐
sible in emergency
mode
Pa rtially laden 80 km
Fu lly laden 30 km The driving dis
tance possible in emergency
mode may vary depending on the driving style.
Obser vethe maximum permissible speed of
80 km/h.
If a tyre has gone flat and cannot be replaced
with an MOEx tended tyre, you can use a stand‐
ard tyre as a temp orary measure. Breakdown assis
tance 37 9

Fo
r tyres, pay attention tothefo llowing:
R Designation
R Manufacturer
R Type &
WARNING Risk of inju rythro ugh exceed‐
ing the specified tyre load-bearing capa‐
city or the permissible speed rating
Exceeding the load-bearing capacity of the
tyres can lead totyre dama geand could
cause the tyres toexplode. #
Therefore, only use tyre types and sizes
appr ovedfo ryo ur vehicle model. #
Obser vethe tyre load-bearing capacity
ra ting and speed rating requ iredfor
yo ur vehicle. *
NO
TEVehicle and tyre damage thro ugh
tyre types and sizes that ha venot been
appr oved Fo
r saf etyre asons, on lyuse tyres, wheels
and accessories which ha vebeen specially
appr ovedby Mercedes-Benz foryo ur vehicle.
These tyres are specially adap tedto the
active saf ety sy stems, such as ABS, ESP ®
and 4MATIC, and mar ked as follo ws:
R MO = Mercedes-Benz Original
R MOE = Mercedes-Benz Original Extended
(run-flat tyres only for cer tain wheels)
R MO1 = Mercedes-Benz Original (only cer‐
tain AMG tyres)
Otherwise, cer tain properties, such as han‐
dling characteristics, vehicle noise emis‐
sions, consum ption, etc. could be ad versely
af fected. Furthermore, other tyre sizes could
re sult in the tyres rubbing against the body
and axle components when loaded. This
could result in damage tothe tyre or the
ve hicle. Only use tyres, wheels and accessories
that
ha ve been checked and recommended by
Mercedes-Benz. *
NO
TERisk todriving saf ety from retrea‐
ded tyres Re
treaded tyres are nei ther tested nor rec‐
ommended byMercedes-Benz, since pr evi‐
ous damage cannot alw ays be de tected on
re treaded tyres.
Fo rth is reason driving saf ety cannot be guar‐
anteed. #
Do not use used tyres if you ha veno
information about their pr evious usage. *
NO
TEPossible wheel and tyre damage
when driving over obs tacles Large wheels ha
vea smaller section width.
As the section width decreases, therisk of
wheels and tyres being damaged when driv‐
ing over obs tacles increases. Wheels and tyres
405

#
Only inter change the front and rear
wheels if the wheels and tyres ha vethe
same dimensions. Inter
changing the front and rear wheels if the
wheels or tyres ha vediffere nt dimensions can
re nder thege neral operating pe rmit in valid.
The wear pat tern s on the front and rear wheels
dif fer:
R front wheels wear more on the tyre shoulder
R rear wheels wear more in the cent reofthe
tyre
Do not drive wi thtyres that ha vetoo little tread
dep th. This significantly reduces traction on wet
ro ads (aquaplaning).
On vehicles with the same front and rear wheel
size, you can inter change the wheels every
5000 to10,000 km, depending on thewe ar.
Ensure the direction of rotation is maintained for
th e wheels.
Obser vethe instructions and saf ety no tes on
"Changing a wheel" when doing so
(/ page 409). Note
s onstoring wheels When
storing wheels, obser vethefo llowing
no tes:
R Afterre moving wheels, store them in a cool,
dry and preferably dark place.
R Protect the tyres from conta ct withoil,
grease or fuel. Overview of
the ty re-change tool kit *
NO
TEMercedes-AMG vehicles #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. Apa
rtfrom some countr y-specific variants, vehi‐
cles are not equipped with a tyre-change tool kit.
Fo r more information on which tyre-changing
to ols are required and appr oved for per form ing a
wheel change on your vehicle, consult a qualified
specialist workshop. Yo
ure qu ire thefo llowing tools, forex ample, to
ch ange a wheel:
R Jack
R Chock
R Wheel wrench
R Cent ring pin
% The jack weighs appr oximately 2.1 kg.
The maximum load capacity of the jack can
be found on thest icke r af fixe dto the jac k.
The jack is maintenance-free. If there is a
malfunction, please conta ct aqualified spe‐
cialist workshop.
The tyre-change tool kit is located under the
boot floor.
% Depending on the model, the tyre change
to ol kit may be located at other positions
under the boot floor. 408
Wheels and tyres

The
recommended octane number foryo ur vehi‐
cle can also be found on the information label in
th e fuel filler flap (/ page162).
As a temp orary measure, if there commended
fuel is not available, you may also use regular
unleaded petrol with at leas t:
R C18 0:93 RON
R allother models: 91RON
This may reduce engine output and increase fuel
consum ption.
Ne verre fuel using petrol with an even lo wer
RO N.
Fu rther information on fuel can be obtained at a
fi lling station or a qualified specialist workshop.
Information on additives in petrol
Obser vethe no tes on operating fluids
(/ page 420).
* NO
TEDama gefrom use of unsuitable
additives Even small amounts of
the wrong additive
may lead tomalfunctions occur ring. #
Only add cleaning additives recommen‐
ded byMercedes-Benz tothe fuel. Mercedes-Benz
recommends that you use
brand-name fuels with additives.
In some count ries, the fuel available may not
ha ve suf ficient additives. Residue could build up
in the fuel injection sy stem as a result. In this
case, in consultation with a Mercedes-Benz
service centre, mix the fuel with the cleaning
additive recommended byMercedes-Benz.
Obser vethe no tes and mixing ratios indica ted
on theta nk.
In fo rm ation on fuel grades forve hicles with
a diesel engine
Gene ral no tes
Obser vethe no tes on operating fluids
(/ page 420). &
WARNING Risk offire from fuel mixture
If yo u mix diesel fuel with petrol, theflash
point of the fuel mixture is lo werth an that of
pure diesel fuel. #
Neverre fuel using petrol in diesel
engines. #
Never mix petrol with diesel fuel. *
NO
TEDama gecaused bythe wrong fuel Even small amounts of
the wrong fuel could
re sult in damage tothe fuel sy stem, the
engine and the emission control sy stem. #
Only refuel using sulphu r-free diesel
fuel that con form sto European stand‐
ard EN 590, or an equivalent specifica‐
tion.
In countries without sulphur-f ree diesel
fuel, refuel using only lo w-sulphur diesel
fuel with a sulphur content less than
50 ppm. #
Vehicles without diesel particulate
fi lter: refuel using only diesel fuel with
a sulphur content less than 500 ppm.
Ne verre fuel with one of thefo llowing fuels:
R petrol Te
ch nical da ta423