2018 MERCEDES-BENZ C-CLASS CABRIOLET ECO mode

The
recommended octane number foryo ur vehi‐
cle can also be found on the instruction label in
th e fuel filler flap (0013 page168).
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
(0013 page 458).
000E NO
TEDama gefrom use of unsuitable
additives Even small amounts of
the wrong additive
may lead tomalfunctions occur ring. 0007
Only add cleaning additives recommen‐
ded byMercedes-Benz tothe fuel. Mercedes-Benz
recommends that you use fuel
brands that ha veadditives.
In some countries, 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, the fuel may be mixed with the
cleaning additive recommended byMercedes-
Benz. Be sure toobser vethe no tes and mixing
ra tios speci fied on the conta iner.
Information on fuel grades forve hicles with
a diesel engine
Gene ral no tes
Obser vethe no tes on operating fluids
(0013 page 458). 000A
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. While
the engine is running, component
pa rts in theex haust sy stem may overheat
without warning. 0007
Neverre fuel using petrol in diesel
engines. 0007
Never mix petrol with diesel fuel. 000E
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. 0007
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. 0007
Vehicles without diesel particulate
fi lter: refuel using only diesel fuel with
a sulphur content less than 500 ppm. Te
ch nical da ta461

Ad
Blue ®
filling capacity and consum ption
To tal capacity of AdBlue ®
tank Mode
lT otal capacity
All models 14litres Ad
Blue ®
consu mption
Like fuel consu mption, AdBlue ®
consu mption is
highly dependent upon driving style and operat‐
ing conditions. Forth is reason, your vehicle's
actual consum ption figures under normal operat‐
ing conditions may dif fer from the consum ption
fi gures calculated. AdBlue ®
consu mption is
between 1% and 5% of fuel consumption. Ha ve
th eAd Blue ®
supply checked at a qualified spe‐
cialist workshop before making journe ysoutside
of Europe. Before a longer stay outside of
Europe, consult a qualified specialist workshop.
Display theAd Blue ®
ra nge and le vel
( 0013 page 255). Engine oil
Note
s on engine oil
Obser vethe no tes on operating fluids
(0013 page 458). 000E
NO
TEEngine dama gecaused byan
incor rect oil filter, incor rect oil or addi‐
tives 0007
Do not use engine oils or oil filters
which do not cor respond tothe specifi‐
cations explicitly prescribed forthe
service inter vals. 0007
Do not alter the engine oil or oil filter in
order toachie velonger change inter vals
th an presc ribed. 0007
Do not use additives. 0007
Have the engine oil rene we d at regular
inter vals. Mercedes-Benz
recommends that you ha vethe
oil change car ried out at a qualified specialist
wo rkshop.
Only Mercedes-Benz appr oved engine oils may
be used in Mercedes-Benz engines.
Fu rther information on engine oil and oil filters is
av ailable at thefo llowing locations:
R inthe Mercedes-Benz Specifications for
Operating Fluids byentering the designation
- at http://be vo.mercedes-benz.com
- inthe Mercedes-Benz BeVo app
R at a qualified specialist workshop
Pet rol engines: for cer tain countries, dif fere nt
engine oils can be used in conjunction wi th
re duced maintenance inter vals. 464
Tech nical da ta

Anti-theft ala
rmsystem
see ATA (anti-theft alarm sy stem)
Anti-theft pr otection
Ad ditional door lock .............................. 78
Immobiliser ...........................................96
Anti-theft pr otection
see ATA (anti-theft alarm sy stem)
Anticipatory occupant pr otection
see PRE- SAFE®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Apple CarPlay™ ....................................... 342
Connecting an iPhone ®
....................... 342
Ending .................................................3 43
No tes .................................................. 342
Overview ............................................. 342
Sound settings .................................... 343
Tr ans ferred vehicle data ......................3 45
Ashtr ay
Fr ont centre console ........................... 12 2
Re ar passenger compartment ............ .122
Using ................................................... 12 2Assistance sy
stems
see Driving saf ety sy stem
Assistant display Menu (on-board computer) .................. 255
ASS YST PLUS ........................................... 387
Battery disconnection pe riods .............3 88
Displ aying the service due date ........... 387
Fu nction/no tes ................................... 387
Re gular maintenance work .................. 387
Special service requ irements .............. 387
ATA (anti-theft ala rmsystem) .................. 96
Deactivating the alarm .......................... 97
Fu nction ................................................ 96
Fu nction of interior pr otection ............... 98
Priming/deactivating interior pr otec‐
tion ........................................................ 99
Priming/deactivating tow- aw ay pro‐
te ction ................................................... 98
To w- aw ay protection function ................97
AT TENTION ASSI ST......................... 233, 234
Fu nction .............................................. 233
Setting ................................................. 234
Sy stem limitations ...............................2 33At
tention assistant
see ATTENTION ASSIST
Au dio mode
Connecting USB devices ..................... 364
Co pyrights ...........................................3 61
Information ..........................................3 60
Inserting/removing an SD card ........... 361
Media sea rch ....................................... 367
Overview ............................................. 363
Pa use and playback function .............. .364
Selecting a track ................................. 364
Selecting pl ayback options .................. 364
Switching on media mode ...................3 61
Tr ack list .............................................. 364
Au thorised workshop
see Qualified specialist workshop
Au tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights .........................12 8
Au tomatic engine start (ECO start/
sto p function) .......................................... 154
Au tomatic engine stop (ECO start/
sto p function) .......................................... 154544
Index

Emer
gency engine start .......................... 427
Emer gency key
Inserting/removing ................................ 76
Locking a door ....................................... 82
Un locking a door .................................. .82
Emer gency operation mode
St arting theve hicle ............................. 15 0
Emer gency spare wheel .......................... 451
No tes ................................................... 451
Re moving ............................................ 452
ENERGIZI NGcomfort
Overview of programs ........................ .299
St arting the program ........................... 300
Engine ECO start/ stop function ......................1 54
Engine number .................................... 456
St arting (Digital Vehicle Keyst icke r) .... 14 9
St arting (eme rgency operation
mode) .................................................. 15 0
St arting (mobile phone) ...................... .149
St arting (Remo teOnline) ......................1 51
St arting (s tart/s top button) .................1 48
St arting assis tance .............................. 420
Switching off (s tart/s top button) .........1 73Engine bonnet
Function (active bonnet) ...................... 388
Opening/closing ................................. 389
Re setting (active bonnet) .................... 388
Engine data Displaying ............................................ 16 0
Engine electronics Notes ................................................... 454
Engine number ........................................4 56
Engine oil ................................................. 392
Ad ditives .............................................4 64
Capacity .............................................. 465
Checking the oil le vel using the oil
dipstick ................................................ 391
Checking the oil le vel using the on-
board computer ................................... 392
MB-Fr eigabe or MB-Appr oval .............. .465
Quality ................................................. 465
To pping up ...........................................3 92
Entering characters
Fu nction/no tes ................................... 285
On theto uchpad .................................. 287
Using the controller ............................. 286 EQ Boost
Glide mode .......................................... 16 6
Operating saf ety .................................... 23
ERA-G LONA SS test mode
St arting/ending .................................. 352
ESC (Elect ronic Stability Control)
see ESP ®
(Electronic Stability Prog ram)
ESP ®
Crosswind Assist ................................. 188
Tr ailer stabilisation .............................. 188
ESP ®
(Electronic Stability Prog ram) ...... 185
Ac tivating/deactivating ...................... .188
Fu nction/no tes ................................... 185
EU general operating permit number ....456
Exterior lighting Care .................................................... 403
Ex terior lighting
see Lights
External device Locking (child saf ety lock) .................. .293 Index
557

G
Garage door opener Clearing the memory ........................... 178
Opening or closing the door ................1 77
Programming buttons .......................... 175
Ra dio equipment appr oval numbers .... 178
Re solving problems ............................. 17 7
Synchronising thero lling code ............ .176
Gearshift recommendation ............162, 16 5
Genera l operating permit number
(EU) .......................................................... .456
Genuine parts ............................................ 22
Glide mode ............................................... 16 6
Glo vebox
Locking/unlocking .............................. .116 H
Handbrake see Electric parking brake
Handling characteristics (unusual) ........431
Hazard warning lights ............................ .130 HD prog
rammes
see CI+ module
Head airbag ............................................... 39
Head le vel heating (AIRSCARF) ..............109
Head restra int
Fr ont (adjusting mechanically) .............1 04
Re ar (fitting/removing) ........................ 105
Head-up display ....................................... 261
Ad justing display elements (on-board
compu ter) ............................................ 261
Ad justing the brightness (on-board
computer) ............................................ 261
Fu nction ............................................... 261
Menu (on-board compu ter) .................. 261
Setting the position (on-board com‐
puter) ................................................... 261
Switching on/off ................................. 262
Headla mpflasher ................................... .129
Heating see Clima tecontrol
High beam Adaptive Highbeam Assist .................. .132
Switching on/off ................................. 12 9High-pressure cleaner (care)
.................. 397
Hill Start Assist ........................................ 211
HOLD function ......................................... .211
Fu nction/no tes .................................... 211
Switching on/off ................................. 212
Hooking the luggage net .........................118
Hotspot Setting up (Wi-Fi) ................................. 291 I
i-Size child seat securing sy stem
Fitting .................................................... 63
Seats suitable for attaching ................... 62
Identification plate Engine ................................................. 456
Ve hicle ................................................ 456
Ignition Switching on (S tart/S top button) ........ 147
Ignition key
see Key
Immobiliser ................................................ 96 Index
559

Mercedes-Benz Link
................................ 341
Connecting .......................................... 341
Ending ................................................ .341
Overview ..............................................3 41
Using ................................................... 341
Mercedes-Benz service centre see Qualifi ed specialist workshop
Message (multifunction display) see Display message
Message memory .................................... 471
Messages Voice commands (LINGU ATRO NIC) ...... 274
Messages see Text messa ges
Mir rors
see Outside mir rors
Mobile phone Cancelling permission for Internet
connection ......................................... .355
Damage de tection (pa rked vehicle) ..... 182
Locking theve hicle ................................ 79
St arting theve hicle ............................. 14 9
Un locking theve hicle ............................79 Wi
reless charging ................................ 12 5
Mobile phone see Android Auto
see Apple CarPlay™
see Mercedes-Benz Link
see Second telephone
see Telephone
Mobile phone voice recognition
St arting .............................................. .334
St opping ..............................................3 34
Model series see Vehicle identification plate
MOExtended tyres ................................... 411
Mo torw ay mode ....................................... 131
MULTIBEAM LED see Intelligent Light Sy stem
Multifunction display Overview of the displa ys...................... 254
Multifunction steering wheel
Overview of buttons ............................ .251
Multifunction steering wheel
see Steering wheel Multimedia sy
stem .................................. 278
Ac tivating/deactivating standby
mode .................................................. .183
Ad justing thevo lume .......................... .285
Central control elements ..................... 279
Con figuring display settings ................2 87
ENERGIZING comfort prog ram (o ver‐
view) ................................................... .299
Entering characters ............................ .285
Fa vourites ............................................ 282
Main functions .................................... 282
Overview ............................................ .278
Re storing thefa ctory settings ............. 298
St andby mode function ...................... .182
St arting the ENERG IZING comfort
program ..............................................3 00
Switching the sound on/off ................2 84
Multimedia sy stem
see Touch Control
see Touchpad N
Na vigation
Menu (on-board computer) .................. 257
Showing/hiding the menu ...................3 01 Index
565

St
andby mode
Ac tivating/deactivating ...................... .183
Fu nction .............................................. 182
St anding lights ......................................... 127
St art/s top button
Pa rking theve hicle .............................. 173
St arting theve hicle ............................. 14 8
Switching on the po wer supply or
ignition ................................................. 147
St art/s top function
see ECO start/ stop function
St arting assi stance
see Jump -star t connection
St arting the engine
see Vehicle
St arting-o ffaid
see Hill Start Assist
St ation
Deleting ............................................... 375
Direct frequency entry ........................ .375
Fr equency fix ....................................... 376
Moving .................................................3 75
Sea rching ............................................ 375Setting .................................................
375
St oring .................................................3 75
St ation list
Calling up ............................................ 375
St ation presets
Modifying ............................................. 375
St ation tracking
Setting ................................................. 376
ST EER CONT ROL
Fu nction/no tes ................................... 189
Ste ering wheel ........................................ .251
Ad justing (electrically) .......................... 111
Ad justing (manually) ............................ 11 0
Buttons ................................................ 251
Ope rating the memory function ........... 11 3
St eering wheel heater .......................... 11 2
Ste ering wheel gearshift paddles ..........16 4
Ste ering wheel heater
Swit ching on/off .................................. 11 2
St ow age areas
see Loading
see Stow age compartment St
ow age comp artment............................ 11 6
Armrest ................................................ 11 6
Centre console .................................... .116
Door ..................................................... 11 6
Glo vebox .............................................1 16
Spectacles compa rtment .................... .116
St ow age comp artments
see Loading
see Stow age compartment
St ow age space under the boot floor ......11 9
Sulphur content ...................................... 460
Sun visor Operating ............................................. 141
Sur round lighting .................................... 13 5
Setting ................................................. 13 5
Sur round View
see 360° Camera
Suspension Setting the suspension le vel (AIR‐
MATIC) ................................................ .215
Suspension see AIRMATIC Index
573

Suspension le
vel (AIRMATIC)
Setting ................................................ .215
SV HC (substances of very high con‐
cern ).......................................................... .28
Switch-off delay time Exterior ................................................ 13 5
Interior .................................................1 36
Switching the sur round sound on/off
Burmes ter®
sur round sound sy stem ... 386
Synchronisation function Switching on/off (cont rol panel) ........ .144
Sy stem settings
Ac tivating/deactivating PIN pr otec‐
tion ...................................................... 294
Re set function (multimedia sy stem) ....2 98
Setting the dis tance unit ..................... 293
Setting the time and date automati‐
cally ..................................................... 288
Setting the time zone .......................... 288
Setting the time/date form at .............. 289
Swit ching transmission of theve hicle
position on/off .................................... 289
Sy stem settings
see Blue tooth® see Data import/export
see Language
see Software update
see Wi-Fi T
Ta ilpipes (Care) ........................................ 403
Ta ke -back of end-of-life vehicles .............. 21
Pr otection of the environment ............... 21
Ta nk content
Ad Blue ®
............................................... 464
Fu el ..................................................... 462
Re ser ve(fuel) ...................................... 462
Te ch nical data
Axle load (trailer operation) ................. 470
Fa stening points (trailer hitch) .............4 69
Information .......................................... 454
Mounting dimensions (trailer hitch) ..... 469
No tes (trailer hitch) ............................. 469
Overhang dimension (trailer hitch) ...... 469
To ngue weight .................................... .470
To wing capacity (trailer operation) ...... 469
Ty re pressure monitoring sy stem ........ 436
Ve hicle identification plate .................. 456 Te
lephone ........................................ 260, 329
Ac tivating functions du ring a call ........ 334
Call and ringtone volume .................... .334
Calls with se veral participants ............ .334
Connecting a mobile phone (Near
Field Communication (NFC)) .............. .333
Connecting a mobile phone (Pass‐
ke y) .................................................... .330
Connecting a mobile phone (Secu re
Simple Pairing) .................................... 330
De-authorising a mobile phone ............ 332
Disconnecting a mobile phone ............ 332
Importing con tacts .............................. 337
Importing contacts (o verview) ............ .336
Incoming call during an existing call .... 335
Information .......................................... 330
Inter changing mobile phones .............. 332
Locking theve hicle (mobile phone) .......79
Menu (on-board computer) .................. 260
Mobile phone voice recognition .......... 334
No tes ................................................... 327
Operating modes ................................. 330
Re ception and transmission volume .... 333
St arting theve hicle (mobile phone) ..... 14 9
Switching mobile phones (Near Field
Communication (NFC)) ........................ 333 574
Index