tow MERCEDES-BENZ C-CLASS CABRIOLET 2021 Manual Online

Anti-theft pr
otection
Ad ditional door loc k................................ 75
Immobiliser............................................. 92
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 ®
Connecting an iPhone ®
.........................3 10
Ending.................................................... 311
No tes..................................................... 310
Overview................................................ 310
Sound settings....................................... 311
Tr ans ferred vehicle data........................3 13
Assistance sy stems
see Driving saf ety sy stem
ASS YST PLUS
Battery disconnection pe riods.............. 355
Displaying the service due dat e............. 354
Fu nction/no tes..................................... 354
Re gular maintenance work.................... 354 Special service
requirements............... .354
ATA (anti-theft ala rmsystem)
Deactivating the alarm............................ 93
Fu nction.................................................. 92
Fu nction of interior pr otection................. 93
Priming/deactivating interior pr otec‐
tion..........................................................94
Priming/deactivating tow- aw ay pro‐
te ction..................................................... 93
To w- aw ay protection function.................. 93
AT TENTION ASSI ST
Fu nction................................................. 174
Setting................................................... 176
Sy stem limitations................................. 174
At tention assistant
see ATTENTION ASSIST
Au dio mode
Connecting USB device s....................... 331
Co pyrights............................................. 329
Information............................................ 327
Inserting/re moving an SD car d............. 329
Media sea rch........................................ .335
Overview............................................... 331
Pa use and playback function................ .332 Selecting a track................................... 332
Selecting playba
ckoptions.................... 332
Switching on media mode..................... 329
Tr ack list............................................... .332
Au thorised workshop
see Qualified specialist workshop
Au tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights ...........................12 0
Au tomatic engine start (ECO start/
sto p function)............................................ 14 5
Au tomatic engine stop (ECO start/
sto p function)............................................ 14 5
Au tomatic front passen ger front air‐
bag deacti vation sy stem
see Automatic front passenger front
airbag shutoff
Au tomatic front passen ger front air‐
bag shu toff
Fu nction of the automatic front
passenger front airbag deactivation
sy stem..................................................... 47
PA SSENGER AIR BAG indicator lamp....... 49 Index
503

Cruise control
Activating.............................................. 17 7
Buttons.................................................. 17 7
Calling up a spee d................................. 17 7
Deactivating.......................................... 17 7
Fu nction................................................. 176
Re quirements........................................ 17 7
Selecting............................................... 17 7
Setting a speed...................................... 17 7
St oring a speed.....................................1 77
Sy stem limitations................................. 176D
Dashboa rd
see Cockpit
Data acquisition Vehicle.................................................... 33
Data import/export Function/no tes..................................... 262
Importing/exporting............................. 263
Data pr otection rights
Data storage............................................ 36
Data storage
Data pr otection rights............................. 36 Electro
nic control units.......................... .33
Online services........................................35
Ve hicle.................................................... 33
Date Setting the time and date automati‐
cally....................................................... 257
Deactivating the alarm (A TA )...................... 93
Deale rship
see Qualified speciali stwo rkshop
Declaration of conformity Electromagnetic compatibility.................25
Jack......................................................... 28
Specific absor ption rate.......................... 25
TIREFIT kit............................................... 29
Wi reless vehicle components.................. 25
Decorative foil (cleaning instructions) .... 365
DeNOx agent see AdBlue ®
De stination
Editing intermediate destinations......... .274
Editing the pr evious destinations.......... 285
Ex tern al................................................. 285
Saving (cur rent vehicle position)........... 285 Saving as a
favo urit e............................. 285
Saving asglobal favo urit e...................... 285
St oring a map position..........................2 85
Dest ination entry
En tering a 3 wordaddress..................... 275
Entering a POI or address...................... 270
Entering an intermedia tedestination.....2 74
Entering geo-coordinates....................... 275
Selecting a contact................................ 275
Selecting a POI...................................... 273
Selecting from the map......................... 276
Selecting pr evious destinations............ .273
De tecting inat tentiveness
see ATTENTION ASSIST
Diagnostics connection .............................. 29
Diesel Low outside temp eratures..................... 419
No tes..................................................... 419
Digital Owner's Manual .............................. 20
Digital TV
see TV
Dinghy towing
see Tow- bar sy stem 508
Index

É
Stop vehicle Vehicle too low......... 465
ç suspended...................................4 58
: Switch off lights ........................... 439
: Switch on headla mps................... 439
K Top lo wering................................. 436
Ø Top up AdBlue Emergency op.
in XXX miles See Owner's Manual......... 480
+ Top up coolant See Owner ’s
Manual.................................................. 446
¥ Top up washer fluid ...................... 445
! Turn on the ignition torelease
th e parking brake..................................4 55
d Vehicle is operational Switch
off ignition before exiting....................... 441
É Vehicle rising Please wait............ .466
É Vehicle rising................................4 66
h Warning tyre defect..................... .477
h Wheel sensor(s) missing ...............476
K While stationar y,apply the
brakes before operating the soft top.....4 36 Ø
XX,X l Top up AdBlue Switch on
ignition, wait 60 sec. or eng. start
not poss................................................ .481
Ac tive Blind Spot Assi stcur rently
una vailable See Owner's Manual ...........462
Ac tive Blind Spot Assi stinope rative ...... 462
Ac tive Blind Spot Assi stnot available
when towing a trailer See Owner's
Manual .................................................. 463
Ac tive bonnet malfunction See Own‐
er's Manual........................................... 443
Ac tive Brake Assi stFunctions cur‐
re ntly limited See Owner's Manual ........470
Ac tive Brake Assi stFunctions limited
See Owner's Manual.............................. 471
Ac tive Dis tance Assi stavailable again ...4 59
Ac tive Dis tance Assi stcur rently
una vailable See Owner's Manual ...........458
Ac tive Dis tance Assi stinope rative ........ 458 Ac
tive Lane Keeping Assist Camera
view restricted See Owner's Manual..... 463
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual ...........463
Ac tive Lane Keeping Assist inopera‐
tive........................................................ 463
Ac tive Steering Assist cur rently
una vailable due tomultiple emer‐
ge ncy stops...........................................4 60
Ac tive Steering Assist cur rently
una vailable See Owner's Manual ...........459
Ac tive Steering Assist inoperative ......... 459
Ad aptive Highbeam Assist Plus Cam‐
era view restricted See Owner's
Manual.................................................. 440
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual......................................................... 440
Ad aptive Highbeam Assist Plus inop‐
erative.................................................. .440 Index
511

Tr
af fic Sign Assi stCamera view
re stricted See Owner's Manual.............. 461
Tr af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ........................ 460
Tr af fic Sign Assi stinope rative ................ 461
Tr ansmission Malfunction Stop............. 450
Ty re press. monitor cur rently una vail‐
able ...................................................... .475
Ty re press. monitor inoperative.............4 75
Ty re press. monitor inoperative No
wheel sensors ........................................ 476
Ty re pressure Check tyres .....................479
Ty re(s) ove rheated................................. 478
Wi thout changing gear, consult work‐
shop......................................................4 50
Display on the windscreen
see Head-up display
Distance control see Active Dis tance Assi stDISTRONIC
DI STRO NIC
see Active Dis tance Assi stDISTRONIC Door
Additional door loc k................................ 75
Locking/unlocking (emergency key)....... 79
Opening (from inside ).............................. 76
Un locking (from inside)............................ 76
Door cont rol panel....................................... 16
Draught stop
Car e...................................................... .367
Dr aw bar
see Tow- bar sy stem
Drive Away Assist ...................................... 218
Drive Away Assist
see Pr otection against collision
Drive position Enga ging................................................1 52
Drive prog ram display ............................... 14 9
Drive prog rams
see DYNA MIC SELECT
Driver's seat see Seat
Driving abroad Light adjustment (low beam)..................1 19Driving saf
ety sy stem
ABS (Anti-lock Braking Sy stem).............1 70
Ac tive Brake Assi st................................ 189
Ad aptive brake lights............................. 174
BA S (Brake Assi stSystem).................... 17 0
Cameras............................................... .168
EBD (Electronic Brake forc e Distribu‐
tion).......................................................1 72
ESP ®
Crosswind Assi st.......................... 171
ESP ®
trailer stabilisation........................ 172
Overview............................................... 16 9
Ra dar and ultrasonic sensor s................ 16 8
Re sponsibility........................................1 68
ST EER CONTROL................................... 172
Driving sy stem
DY NA MIC BODY CONTROL.................... 201
Driving sy stem
see 360° Camera
see Active Blind Spot Assi st
see Active Dis tance Assi stDISTRONIC
see Active Emergency Stop Assist
see Active Lane Keeping Assist
see Active Parking Assist
see Active Speed Limit Assi st
see Active Steering Assist Index
513

Calling up.............................................. 252
Deleting................................................. 252
Moving................................................. .252
Overview................................................ 251
Re naming.............................................. 252
Fi lling station sear ch
St arting automatic sear ch..................... 273
Switching the automatic sear chon/
off.........................................................2 79
Using auto matic search......................... 279
Fire extinguisher....................................... 373
Fi rs t-aid kit (soft sided) ............................373
Flat towing
see Tow- bar sy stem
Flat tyre MOEx tended tyres................................. 375
No tes..................................................... 374
TIREFIT kit..............................................3 76
Wheel chang e....................................... .405
Floor mats.................................................. 11 8
Fo g light (enhanced) .................................1 23
Fo il co vering
Ra dar and ultrasonic sensor s................16 8Fo
lding draught stop
Car e...................................................... 368
Fitting...................................................... 85
Re moving............................................... .85
Fr ee software.............................................. 36
Fr equencies
Tw o-w ayradio........................................ 413
Fr ont airbag................................................. 44
Fr ont passenger seat
see Seat
Fu el
Ad ditives................................................ 419
Diesel..................................................... 419
E1 0........................................................ 41 8
Fu elreser ve........................................... 421
Low outside temp eratures..................... 419
Pe trol..................................................... 41 8
Quality (diesel )....................................... 419
Quality (petrol)....................................... 41 8
Re fuelling.............................................. 15 5
Sulphur content..................................... 41 8
Ta nk content.......................................... 421
Fu nction seat
see Door cont rol panel Fu
ses
Before replacing a fuse.......................... 391
Fu se assignment diagram...................... 391
Fu se box in the boot.............................. 394
Fu se box in the engine compartmen t.... 392
Fu se box in the front passenger foot‐
we ll....................................................... .394
Fu se box on the dashboard................... 393
No tes..................................................... 391 G
Garage door opener Cleari ngthe memory.............................1 64
Programming buttons............................ 16 2
Re solving problems...............................1 64
Synchronising thero lling code............. .163
Garage door openers Opening/closing the door.....................1 64
Gearshift recommendation..................... .153
Gene ral operating permit number (EU)... 414
Genuine parts.............................................. 22
Genuine wood (Care) ................................ 369
Glide mode................................................ .154 516
Index

Ad
justing warning tones........................ 213
Deactivating........................................... 213
Fu nction................................................. 210
Side impact pr otection........................... 211
Sy stem limitations................................. 210
Pa rking assistance sy stems
see Active Parking Assist
Pa rking brake
see Electric parking brake
Pa rking lights............................................ .119
Pa rking position
Outside mir rors...................................... 131
St oring the position of the passenger
outside mir ror using reve rsege ar.......... 13 2
Pa rking up.................................................. 167
PA SSENGER AIR BAGstatus display
see Automatic front passenger front
airbag shutoff
Pe destrian pr otection
see Active bonnet (pedestrian pr otection)
Pe riod out of use
Ac tivating/deactivating standby mode. .167
St andby mode function.......................... 167Pe
rm issible axle load ................................ 414
Pe rm itted towing me thods...................... 386
Pe rsonalisation
see User profile
Pe trol .......................................................... 41 8
Pe ts in the vehicle ....................................... 71
Phone book see Contacts
Picture form ats
see Video mode
Picture settings see Video mode
PIN pr otection
Swit ching on/of f................................... 263
Pla stic trim (Care)..................................... 369
Playback options Selecting.............................................. .332
POI Selecting............................................... 273
POI symbols Selecting............................................... 291 Po
we r supp ly
Switching on (S tart/S top button).......... 137
PRE-SAFE ®
(anticipatory occupant
pr otection)
Fu nctio n.................................................. 52
PRE-SAFE ®
Sound................................... 52
Re versing measures................................ 52
PRE- SAFE®
PLUS (anticipa tory occu‐
pant pr otection plus)
Fu nctio n.................................................. 53
Re versing measures................................ 52
Pr ev entative occupant pr otection sys‐
tem
see PRE-SAFE ®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Pr ev ious destinations
Selecting.............................................. .273
Prog ramme in form ation
TV channel........................................... .347
Prog rams
see DYNA MIC SELECT Index
525

Fu
nction................................................. 167
St anding lights........................................... 11 9
St art-off assi st
see Optimised acceleration
St art/s top button
Pa rking theve hicle................................. 161
St arting theve hicle...............................1 38
Switching on the po wer supply or
ignition.................................................. 137
St art/s top function
see ECO start/ stop function
St arter battery
Charging (Remo teOnline)...................... 13 9
St arting
see Vehicle
St arting assi stance
see Jump -sta rt connection
St arting-o ffaid
see Hill Start Assist
St ation
Deleting................................................. 342
Direct frequency entr y.......................... 342
Fr equency fix......................................... 343 Moving.................................................. 342
Sea
rching..............................................3 42
Setting................................................... 341
St oring..................................................3 42
St ation list
Calling up.............................................. 342
St ation presets
Managing.............................................. 342
St ation tracking
Setting................................................... 343
ST EER CONT ROL
Fu nction/no tes...................................... 172
Ste ering wheel
Ad justing (electrically)........................... 106
Ad justing (manually). ............................. 106
Buttons.................................................. 228
Ca re...................................................... 369
Ope rating the memory function.............1 10
St eering wheel heater............................ 107
Ste ering wheel gearshift paddles............ 15 3
Ste ering wheel heater
Ac tivating/deactivating......................... 107St
ow age areas
see Loading
see Stow age space
St ow age comp artments
see Loading
see Stow age space
St ow age space
Armrest.................................................. 11 2
Centre console....................................... 11 2
Door....................................................... 11 2
Glo vecompa rtment............................... 11 2
Sulphur content......................................... 41 8
Sur round lighting
Setting................................................... 12 6
Sur round View
see 360° Camera
Suspension Setting the suspension le vel (AIR‐
MATIC)................................................. .202
Suspension see AIRMATIC
Suspension le vel (AIRMATIC)
Setting................................................... 202 530
Index

Ty
res
Checking............................................... 395
Checking the tyre pressure (tyre
pressure monitoring sy stem)................. 398
Fitting.................................................... 408
Flat tyre.................................................3 74
Inter changing........................................ 403
MOExtended tyres................................ .375
No ise.................................................... .395
No tes on fitting..................................... 400
Re moving.............................................. 408
Re placing...................................... 400, 405
Re placing the wheel trim....................... 405
Re starting the tyre pressure loss
wa rning sy stem..................................... 400
Re starting the tyre pressure monitor‐
ing sy stem.............................................3 99
Selection............................................... 400
Snow chains.......................................... 395
St oring..................................................4 04
TIREFIT kit.............................................. 376
Ty re pressure (N otes)............................ 396
Ty re pressure loss warning sy stem
(function)............................................... 399
Ty re pressure monitoring sy stem
(function)............................................... 398 Ty
re pressure table................................ 397
Un usual handling characteristic s.......... 395 U
Un its of measurement
Setting................................................... 262
Un locking
see Locking/unlocking
Un locking setting ........................................ 73
Up dates
Impor tant sy stem updates.................... 266
Information............................................ 265
Pe rforming............................................2 66
Software updates................................. .266
USB devices Connecting............................................ 331
USB port Front stow age compartment.................. 11 2
User profile Creating................................................ 264
Importing/exporting.............................2 65
Options................................................. 265
Setting................................................... 264 V
Ve hicle
Ac tivating/deactivating standby mode. .167
Ad ditional door loc k................................ 75
Collision de tection (pa rking).................. 16 6
Cor rect use.............................................. 31
Data acquisition...................................... 33
Data storage............................................ 33
Diagnostics connection........................... 29
Equipment...............................................23
Implied warrant y..................................... 32
Locking (automatically). ..........................78
Locking/unlocking (emergency key)....... 79
Locking/unlocking (from inside)............. .76
Locking/unlocking (KEYLESS-GO)........... 77
Lo we ring............................................... 409
Medical aids............................................ 32
Pa rking up............................................ .167
QR code rescue card............................... 33
Qualifi ed specialist workshop.................. 31
Ra ising.................................................. 406
REA CHregulation.................................... 31
Re gistration............................................. 31
St andby mode function.......................... 167
St arting (eme rgency operation mode).. .139 Index
535

Wa
rning triangle
Re moving............................................... 372
Setting up.............................................. 373
Wa rning/indicator lamp
! ABSwarning lamp....................... .495
J Brake sy stem warning lamp
(red)...................................................... 493
J Brake sy stem warning lamp
(yellow).................................................. 493
ÿ Coolant warning lamp................. .489
! Electric parking brake indicator
lamp (red).............................................. 492
# Electrical fault warning lamp....... .491
; Engine diagnosis warning lamp... .491
å ESP®
OFF warning lamp.............. .497
÷ ESP®
wa rning lamp..................... .496
8 Fuelreser ve wa rning lamp
lights up................................................ 492
Ù Powe rst eering warning lamp
(red)...................................................... 488 6
Restra int sy stem warning lamp... .487
ü Seat belt warning lamp................ 487
ä Suspension warning lamp (yel‐
low)....................................................... 495
! The elect ric pa rking brake (yel‐
low) indicator lamp............................... .492
ï Trailer tow hit chwarning lam p..... 489
h Tyre pressure monitoring sys‐
te m wa rning lamp................................. .498
L Warning lamp for dis tance
wa rning function................................... .494
Overview............................................... 485
Wa rning/indicator lamps
PA SSENGER AIR BAG.............................. 49
Wa rranty ...................................................... 32
Wa sher fluid
see Windsc reen washer fluid
Wa shing byhand (care)............................ 364
Wa ter tank
see Air-water duct We
ather information ................................. 295
What3words Destination entry with a 3 word
address................................................. 275
Wheel change
Fitting a new wheel............................... 408
Lo we ring theve hicle.............................4 09
Prepa ration.......................................... .405
Ra ising theve hicle................................4 06
Re moving a wheel................................. 408
Re moving/fitting hub caps................... .405
Wheel change
see Emergency spa rewheel
Wheel rotation .......................................... .403
Wheels Care ...................................................... 368
Checking............................................... 395
Checking the tyre pressure (tyre
pressure monitoring sy stem)................. 398
Fitting.................................................... 408
Flat tyre.................................................3 74
Inter changing....................................... .403
MOExtended tyres................................. 375
Noise.....................................................3 95 Index
537