2018 MERCEDES-BENZ C-CLASS CABRIOLET boot

Display messages
Possible causes/consequences and 0050
0050Solutions
Operation only possible in
transmission position P
00CA
Operation only possible in
transmission position N *
Ve hicles with manual transmission: you attem ptedto swivel the ball neck and the transmission is not in neutral
005C. 0007
Shift the transmission toneutral 005C.
00CA Check trailer hitch lock
(whi tedisplay message) *T
he trailer tow hit chis not operational when you are driving with a trailer. 0007
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. 0007
Uncouple the trailer and secure it against rolling away. 0007
Initiate a new swivelling procedure (0013 page243). 0007
Ifth e ball neck is extended, press and hold the button on the boot lid until the ball neck engages beneath the
bumper. 0007
When the display message disappears, couple up the trailer and drive on. 000A
WARNING Risk of an accident if the ball neck is not loc ked
If th e ball neck is not in the loc ked position, the trailer may come loose. 0007
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
Do not continue driving under any circums tances. Display messa
ges and warning/indicator lamps 517

Display messages
Possible causes/consequences and 0050
0050Solutions 0007
Uncouple the trailer and secure it against rolling away. 0007
Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears. If
th e display message does not disappear, the trailer tow hit chis defective and the ball neck is not loc ked. 0007
Do not couple up the trailer. Drive on without the trailer. No tethere duced ground clearance due tothe
unlo cked ball nec k. 0007
Consult a qualified specialist workshop.
The trailer tow hit chis not operational when theve hicle is at a standstill. 0007
Uncouple the coupled trailer and secure it against rolling away. 0007
Initiate a new swivelling procedure (0013 page243). 0007
Ifth e ball neck is retracted: press and hold the button on the boot lid until the ball neck engages vertically in
th e loc ked position and then engages beneath the bumper. 0007
Ifth e ball neck is extended: press and hold the button on the boot lid until the ball neck engages beneath the
bumper.
If th e display message does not disappear, the trailer tow hit chis defective and the ball coupling is not loc ked. 0007
Do not couple up the trailer. Drive on without the trailer. No tethere duced ground clearance due tothe
unlo cked ball nec k. 0007
Consult a qualified specialist workshop. 518
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions 0007
Stop theve hicle immediately, paying attention toroad and traf fic conditions. 0007
Close the bonn et.
0051 *A
t least one door is open. 0007
Close all doors.
0084 *T
he boot lid is open. 000A
DANG ER Risk of exhaust gas poisoning
Combustion engines emit poisonous exhaust gases such as carbon monoxide. Exhaust gases can enter the
ve hicle interior if the boot lid is open when the engine is running, especially if theve hicle is in motion. 0007
Alw ays switch off the engine before opening the boot lid. 0007
Never drive with the boot lid open. 0007
Close the boot lid.
00B2 Top up washer fluid *T
hewasher fluid le vel in thewa sher fluid reser voir has dropped below the minimum. 0007
Top up thewa sher fluid (0013 page 395). Display messages and
warning/indicator lamps 521

Display messages
Possible causes/consequences and 0050
0050Solutions
0059 While stationary, apply the
brakes before operating
the soft top. *T
hevehicle is stationary and you try toopen or close the soft top. 0007
Depress the brake pedal. 0007
Push or pull the soft top switch again until the soft top is fully open or closed.
0058 Close boot separator *T
he boot separator is open. 0007
Close the boot separator. Lights
Display messages
Possible causes/consequences and 0050 0050Solutions
0049 Intelligent Light System
inoperative *T
he Intelligent Light Sy stem is faulty. The lighting sy stem continues tofunction properly without the functions of
th e Intelligent Light Sy stem. 0007
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 523

Overview .............................................
370
Sea rching for a track ........................... 372
Sea rching for and auth orisingthe
device .................................................. 371
Selecting a media pl ayer ..................... 372
Switching device via NFC .................... 372
Boot lid Activating/deactivating theta ilgate
opening limiter ...................................... 84
Closing .................................................. 84
Locking separa tely ................................ 84
Opening .................................................83
Opening dimensions ............................4 67
Boot separator Closing .................................................. 91
Opening .................................................91
Brake Assi stSystem
see BAS (Brake Assi stSystem)
Brake fluid
No tes .................................................. 465
Brake forc e distribution
EBD (Elect ronic Brake forc e Distribu‐
tion) ..................................................... 188Brakes
ABS (Anti-lo ckBraking Sy stem) ........... 184
Ac tive Brake Assi st.............................. 189
Ad aptive brake lights .......................... .195
BA S (Brake Assi stSystem) .................. 185
Driving tips .......................................... 15 2
EBD (Electronic Brake forc e Distribu‐
tion) ..................................................... 188
HOLD function .................................... .211
Limited braking ef fect (salt-trea ted
ro ads) .................................................. 15 2
New/replaced brakepads/brake
discs .................................................... 15 2
Ru nning-in no tes ..................................1 52
Braking assi stance
see BAS (Brake Assi stSystem)
Breakdown Overview of the help functions .............. 18
To w- starting ........................................ 427
To wing away ........................................ 423
Tr ansporting theve hicle ......................4 25
Wheel change ...................................... 445
Breakdown see Flat tyre Breakdown assistance call
see Mercedes me connect
Burmes ter®
sur round sound sy stem .....3 85
Ad justing the balance/fader ............... 386
Ad justing the sound focus ................... 386
Ad justing treble, mid-range and bass
settings ............................................... 386
Au tomatic volume adjustment ............ .386
Calling up the sound menu .................. 385
Information .......................................... 385
Switching the sur round sound on/off
............................................................ .386
Buttons Steering wheel .....................................2 51 C
Call list Making a call ...................................... .338
Overview ............................................. 338
Calling up the sound menu
Burmes ter®
sur round sound sy stem ... 385
Calls ..........................................................3 34
Ac cepting ............................................ 334
Ac tivating functions du ring a call ........ 334 546
Index

0049Au
tomatic driving lights inoper‐
ative .................................................... 524
Au xilia rybattery malfunction .............. 506
0044Before starting the engine, turn
th esteering wheel. .............................. 508
Blind Spot Assist cur rently una vaila‐
ble See Owner's Manual ...................... 486
Blind Spot Assist inope rative ............... 487
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual ...4 90
Brake immediate ly............................... 472
Cann otstart engine See Owner's
Manual ................................................ 498
00AFChan gekey bat teries ...................5 15
004D Check brake fluid le vel................ 477
Check brake pads See Owner's Man‐
ual ...................................................... .485
00B2Che ckeng. oil le v.when next
re fuelling ............................................. 502 00CAChe
cktrailer hitch lo ck(white
display message) .................................5 17
Check tyre pressures then restart
Ru n Flat Indicator ................................. 513
0077 Check tyre(s) ................................ 511
003A Clean the fuel filter .................... .496
0058 Close boot sepa rator .................. 523
Clutch overheated Avoid pulling away
fo r XX:XX mins ..................................... 507
0059 Convertible Top Operation pos‐
sible to60 km/h ................................. 522
00ACCoolant Stop vehicle Switch
engine off ............................................ 498
Cruise contro l and Limiter inope ra‐
tive ...................................................... 493
Cruise control inope rative ................... 493
Cruise control off ................................ 493
0025cu rrently unavailable See Own‐
er's Manual .......................................... 47800E5
currently una vailable See Own‐
er's Manual .......................................... 472
Dep ress clutch fully tostart engine .....5 07
00B3 Engine oil le vel cannot be
measured ............................................ 500
00B2Engine oil le velRe duce oil le vel...5 00
00B2Engine oil le velSt op vehicle
Switch engine off ................................. 501
00B2Engine oil pressure Stop Switch
off engine ............................................ 501
Fa ult Drive at max. 80 km/h ...............490
0075Fr ont left malfunction Consult
wo rkshop (Example) ............................4 83
006FFr ont left seat backrest not
loc ked (Example) .................................. 519
Fr ont-passenger airbag disabled See
Owner's Manual ..................................4 82
Fr ont-passenger airbag enabled See
Owner's Manual ................................... 481552
Index

F
Fa tigue de tection
see ATTENTION ASSIST
Fa ult message
see Displ aymessa ge
Favo urites
Ad ding .................................................2 83
Calling up ............................................ 283
Deleting ............................................... 284
Moving ................................................ 283
Overview ............................................. 282
Re naming ............................................ 283
Fi ll le vel
Ad Blue ®
............................................... 255
Fi lling station sear ch
St arting automatic sear ch................... 305
Switching au tomatic sear chon/off ...... 311
Using automatic sear ch....................... 311
Fire extinguisher ...................................... 41 0
Fi rs t-aid kit (soft sided) .......................... 409
Flat towing
see Tow- bar sy stem Flat tyre
....................................................4 10
MOExtended tyres ................................ 411
No tes ................................................... 41 0
TIREFIT kit ............................................ 412
Wheel change ...................................... 445
Floor mats ................................................ 12 6
Fo g light (extended range) ......................1 31
Fo il co vering
Ra dar sensors .....................................1 83
Fo lding draught stop
Care .................................................... 403
Fitting .................................................... 93
Re moving ............................................. .93
Fr ee software ............................................ .31
Fr equencies
Tw o-w ayradio ...................................... 455
Fr equency band
Dialling (on-board computer) .............. .259
Fr ont airbag .............................................. .39
Fr ont passenger seat
see Seat Fu
el .......................................................... .461
Ad ditives .............................................. 461
Diesel .................................................. 461
E10 ...................................................... 460
Fu elreser ve ........................................ 462
Low outside temp eratures ...................4 61
Pe trol ................................................... 460
Quality (diesel) ..................................... 461
Quality (p etro l) .................................... 460
Re fuelling ............................................ 16 8
Sulphur content ................................... 460
Ta nk content ....................................... 462
Fu el consum ption
On-board computer ............................ .256
Fu nction seat
see Door cont rol panel
Fu ses ........................................................ 428
Before replacing a fuse ........................ 428
Fu se assignment diagram ...................4 28
Fu se box in the boot ............................4 30
Fu se box in the engine compartment .. 429
Fu se box in the front passenger foot‐
we ll ...................................................... 430
Fu se box on the dashboard ................. 430
No tes .................................................. 428 558
Index

Displ
aying traf fic incidents .................. 320
Extending a subscription ...................... 319
Issuing hazard alert s ............................3 21
Re gis tering on Mercedes me ............... 319
Loading .................................................... .118
No tes ................................................... 11 4
St ow age space under the boot floor ....1 19
Ti e-down eyes ...................................... 11 8
Loading guidelines ...................................114
Loads Securing .............................................. .114
Locator lighting see Sur round lighting
Locking/unlocking Activating/deactivating the auto‐
matic locking feature ............................ .82
Ad ditional door lock .............................. 78
Digital Vehicle Keyst icke r ..................... 79
Emer gency key ...................................... 82
KEYLESS-GO .......................................... 80
Mobile phone ........................................ 79
Smartphone .......................................... 79
Un locking/opening the doors from
th e inside ..............................................79 Low beam
(symm etrical dipped beam) ................. 127
Switching on/off ................................. 127
Lu bricant additives
see Additives
Lu ggage
Lu ggage net ......................................... 11 8
Secu ring ............................................... 11 4
Lu mbar support
see Lumbar support (4-w ay)
Lu mbar support (4-w ay)........................ .104 M
Maintenance see ASS YST PLUS
Malfunction Restra int sy stem ................................... 33
Manual transmission Operating thege arshift le ver ............... 16 0
Map .......................................... .319, 321, 322
Av oiding an area ..................................3 24
Av oiding an area (o verview) ................ .324
Changing an area ................................ 324 Deleting an area .................................. 325
Displaying Qibla .................................. 326
Displaying the compass ....................... 326
Displaying the map version .................. 324
Displaying the next intersecting
st re et ................................................... 323
Displaying the satellite map ................3 27
Displ aying the tra ffic map .................... 319
Displ aying weather information .......... .327
Map data ............................................. 325
Moving ................................................ 322
Overview ..............................................3 21
Selecting POI symbols ......................... 323
Selecting text information ................... 323
Selecting the map orientation .............3 23
Setting the map scale .......................... 322
Setting the map scale automatically ....3 26
Up dating .............................................3 25
Map and comp ass
Overview .............................................. 321
Massage prog rammes
Re setting the settings .......................... 106
Selecting the front seats ..................... 106
Massage settings Resetting ............................................. 106 Index
563