2021 MERCEDES-BENZ C-CLASS COUPE radio

Display messages
Possible causes/consequences and M
MSolutions #
Tryto start theve hicle. #
Ifth eve hicle does not start, consult a qualified specialist workshop.
Cannot start engine See
Owner's Manual *T
hestate of charge ofthe 48 V battery is too lo w.You can no lon gerst art theve hicle. #
Switch off electrical consumers that are not required. #
Connect a suitable charge r appro vedfo r Mercedes-Benz with suf ficient charge output tothe jump-s tart connec‐
tion point of the12 V battery (/ page 388).
The 48 V battery is charge d via thevo ltage con verter in theve hicle.
Motor can be started again *T
he 48 V battery has been charge d automatically via thevo ltage con verter. #
Start theve hicle and drive for a while tocharge the12 V battery and the 48 V batter y. Ty
re pressure moni tor Display messages
Possible causes/consequences and M MSolutions
Tyre press. monitor cur-
rently unavailable *T
here is inter fere nce from a po werful radio signal source. As a result, no signals from the tyre pressure sensors are
being recei ved. The tyre pressure monitoring sy stem is temp orarily una vailable.
The tyre pressure monitoring sy stem will restart automatically as soon as the cause has been rectified. #
Drive on.
Tyre press. monitor inoper-
ative *T
he tyre pressure monitoring sy stem is malfunctioning. Display messages and
warning/indicator lamps 477

Flacon
Inserting/removin g............................... 137
Flat towing
see Tow- bar sy stem
Flat tyre MOEx tended tyres................................. 379
No tes..................................................... 378
TIREFIT kit............................................. 380
Wheel chang e....................................... .409
Floor mats.................................................. 11 9
Fo g light (enhanced) .................................1 25
Fo il co vering
Ra dar and ultrasonic sensor s................175
Fr ag rance
see Fragrance sy stem
Fr ag rance sy stem
Inserting/removing theflacon.............. .137
Setting................................................... 137
Fr ee software.............................................. 36
Fr equencies
Tw o-w ayradio........................................ 417
Fr ont airbag (driver, front passenger)...... .44Fr
ont passenger seat
see Seat
Fu el
Ad ditives...............................................4 23
Diesel.................................................... 423
E10....................................................... .422
Fu elreser ve........................................... 424
Low outside temp eratures..................... 423
Pe trol..................................................... 422
Quality (diesel)...................................... 423
Quality (p etro l)...................................... 422
Re fuelling.............................................. 16 2
Sulphur content..................................... 422
Ta nk content.......................................... 424
Fu nction seat
see Door cont rol panel
Fu ses
Before replacing a fuse.......................... 395
Fu se assignment diagram..................... 395
Fu se box in the boot.............................. 398
Fu se box in the engine compartmen t.... 396
Fu se box in the front passenger foot‐
we ll....................................................... 398
Fu se box on the dashboard................... 397
No tes....................................................3 95 G
Garage door opener Clearing the memory.............................1 71
Programming buttons............................ 16 9
Re solving problems................................ 171
Synchronising thero lling code............. .170
Garage door openers Opening/closing the door...................... 171
Gearshift recommendation..................... .160
Gene ral operating permit number (EU)... 41 8
Genuine parts.............................................. 22
Genuine wood (Care) ................................ .374
Glide mode................................................. 161 H
Handbrake see Electric parking brake
Handling characteristics (unusual)......... 399
HANDS-FREE ACCESS ................................ .82
Hazard warning lights.............................. .123 518
Index

Instrument clus
ter................................... 10
Wa rning/indicator lamps...................... .487
Instrument display and on-board
compu ter
Fu nction/no tes..................................... 233
In te lligent Light Sy stem
Ac tivating/deactivating......................... 12 6
Ac tive headla mps.................................. 124
Ad aptive Highbeam Assist Plus............ .126
Bad weather light.................................. 12 6
City lighting.......................................... .126
Cornering light....................................... 124
Fo g light (enhanced)..............................1 25
Mo torw ay mode..................................... 12 5
Overview................................................1 24
Interior lighting Adjusting............................................... 12 8
Ambient lighting.................................... 12 9
Re ading lam p......................................... 12 8
Switch-off del aytime............................. 12 9
Interior pr otection
Fu nction.................................................. 93
Priming/deactivating.............................. 93 In
term ediatedestination
Calculating a route with intermediate
destinations.......................................... 282
En tering................................................. 281
Modifying............................................... 281
St arting an automatic filling station
sear ch................................................... 280
St arting the automatic service sta‐
tion sear ch............................................ 287
In tern etconnection
Cancelling permission (mobile phone).. 332
Communication module function.......... 329
Displaying the connection status.......... 332
Editing access data (Blue tooth®
)........... 331
Information............................................ 329
Mobile phone de tails............................ .332
Overview of connection status.............. 332
Re strictions........................................... 329
Setting access da ta(Blue tooth ®
).......... 330
Setting up (Blue tooth®
).........................3 30
Setting up (Wi-Fi)................................... 330
Switching Blue tooth®
profile (DUN/
PA N)...................................................... 331
Internet radio
see TuneIn Ionisation
Activating/deactivating (multimedia
sy stem).................................................. 137
iPhone ®
see Apple CarPlay ®
see Mercedes-Benz Link
ISOFIX child seat anchor
Seats suitable for attaching..................... 60
ISOFIX child seat securing sy stem
Fitting..................................................... .61 J
Jack Declaration of conformity........................ 28
Storage location.................................... 408
Jump-start connection General no tes........................................ 386 K
Key Acoustic locking verification signal.......... 72
Battery.................................................... 73
Deactivating a function............................ 72520
Index

Head-up display menu........................... 238
Multifunction displa
y............................. 236
Ope rating.............................................. 235
Overview of menus................................ 235
On-board diagnostics in terface
see Diagnostics connection
On-board electronics Engine electronics................................. 416
No tes..................................................... 416
Tw o-w ayradios...................................... 416
Online services Data storage............................................ 35
Open-source software................................36
Opening the boot lid using your foot
HANDS-FREE ACCES S............................. 82
Ope rating fluids
Ad Blue ®
................................................ 425
Ad ditives (fuel)......................................4 23
Brake fluid............................................ .427
Coolant (engine)................................... .428
Engine oil.............................................. 426
Fu el (diesel)...........................................4 23
Fu el (petrol)........................................... 422
No tes....................................................4 20Wi
ndsc reen washer fluid...................... .429
Operating saf ety
48 V on-board electrical sy stem.............. 23
Declaration of confo rmity (elect ro‐
magnetic compatibility)........................... 25
Declaration of conformity (jack).............. 28
Declaration of conformity (TIREFIT kit).... 29
Declaration of conformity (wire less
ve hicle components)............................... 25
EQ Boost tech nology............................... 23
Information.............................................. 23
Ope rating sy stem
see On-board computer
Optimised acceleration Activating.............................................. 14 8
Outside mir rors
Anti-dazzle mode (automatic)................ 13 3
Au tomatic mir rorfo lding function......... .134
Fo lding in/out....................................... 13 2
Operating the memory function............1 08
Pa rking position..................................... 13 3
Setting................................................... 13 2
Overhead control panel Overview................................................. 14Owner's Manual
Vehicle equipment................................... 23
Owner's Manual (digital)............................ 20 P
Pa int code .................................................. .418
Pa intwork (cleaning instructions) ............371
Pa norama sliding sunroof
see Sliding sunroof
Pa rk position
Inserting................................................ 15 9
Selecting au tomatically......................... 15 9
Pa rking
see Electric parking brake
Pa rking aid
see Parking Assist PARKTRONIC
Pa rking Assist PARKTRONIC
Ac tivating.............................................. 220
Ad justing warning tones........................ 220
Deactivating.......................................... 220
Fu nctio n................................................. 217
Side impact pr otection.......................... 218
Sy stem limitations................................. 217526
Index

Pr
otection of the environment
No tes.......................................................21
Ta ke -ba ckof end-of-life vehicles..............21 Q
Qibla...........................................................3 01
QR code Rescue card............................................33
Qualified specialist workshop .................... 31R
Ra dar and ultrasonic senso rs
Damage................................................. 175
Ra dio
Ac tivating.............................................. 347
Ac tivating/deactivating radio text......... 350
Ac tivating/deactivating traf fic
announcements................................... .350
Calling up a slide sho w.......................... 349
Calling up thest ation lis t...................... .349
Deleting stations.................................. .349
Direct frequency entr y.......................... 349
Displaying information........................... 350
Displaying radio text.............................. 350 Fr
equency fix......................................... 350
Managing favo urites.............................. 349
Managing station presets...................... 349
Moving stations.................................... .349
Overview.............................................. .348
Sear ching forst ations.......................... .349
Setting a channel................................. .348
Setting station trackin g......................... 350
Setting the frequency band................... 348
Setting the traf fic information
service volume inc rease........................ 350
St oring radio stations............................ 349
Ta gging music trac ks............................. 350
Vo ice commands (LINGU ATRO NIC)........2 47
Ra in-closing feature
Side wind ows.......................................... 85
Sl iding sunroof....................................... .90
REA CHregulation........................................31
Re ading lamp
see Interior lighting
Re ar fog light
Switching on/of f................................... 12 2
Re ar seat
see Seat Re
ar seat belt
St atus display......................................... .43
Re ar seat belt status display ..................... 43
Re ar window heater.................................. 13 5
Re ar-view mir ror
Anti-dazzle mode (automatic)................ 13 3
Re ar-view mir ror
see Outside mir rors
Re cycling
see Take -ba ckof end-of-life vehicles
Re ducing agent
see AdBlue ®
Re fuelling
Re fuelling theve hicle............................1 62
Re gistration
Ve hicle.....................................................31
Re gulatory radio identification................. 41 8
Re mo tecont rol (stationa ryheater/
ve ntilation)
Displa ys................................................. 141
Problems............................................... 14 2
Re placing the battery.............................1 41528
Index

Centre console.......................................
111
Door....................................................... 111
Glo vecompa rtment................................ 111
Sulphur content........................................4 22
Sur round lighting
Setting................................................... 12 8
Sur round View
see 360° Camera
Suspension Setting the suspension le vel (AIR‐
MATIC)................................................. .209
Suspension see AIRMATIC
Suspension le vel (AIRMATIC)
Setting................................................... 209
SV HC (substances of very high con‐
cern) ............................................................. 31
Switch-off delay time Exterior.................................................. 12 8
Interior.................................................. 12 9
Switching the sur round sound on/off
Burmes ter®
sur round sound sy stem..... 360 Synchronisation function
Activating/deactivating (control
panel).................................................... 13 6
Ac tivating/deactivating (multimedia
sy stem).................................................. 13 6
Sy stem settings
Ac tivating/deactivating PIN pr otec‐
tion........................................................ 270
Re set function (MBUX multimedia
sy stem).................................................. 274
Setting the dis tance uni t....................... 269
Setting the time and date automati‐
cally.......................................................2 64
Setting the time zone. ........................... 264
Setting the time/date form at................ 265
Swit ching transmission of theve hicle
position on/off...................................... 265
Sy stem settings
see Blue tooth®
see Data import/export
see Language
see Wi-Fi T
Ta ilpipes (care)......................................... .373 Ta
ke -back of end-of-life vehicles
Pr otection of the environmen t................. 21
Ta nk content
Ad Blue ®
................................................ 426
Fu el....................................................... 424
Re ser ve(fuel)........................................ 424
Te ch nical data
Axle load (trailer operation)...................4 32
Fa stening points (trailer hitch)............... 431
Information............................................ 416
Mounting dimensions (trailer hitch)....... 431
No tes (trailer hitch)............................... 430
Overhang dimension (trailer hitch)........4 31
Re gulatory radio identification...............4 18
To ngue weight...................................... .431
To wing capacity (trailer operation)........ 431
Ve hicle identification plate..................... 41 8
Te lephone
Ac tivating functions du ring a cal l.......... 309
Call and ringtone volume...................... .309
Calls with se veral participant s............... 309
Connecting a mobile phone (Near
Field Communication (NFC))................. 308
Connecting a mobile phone (Passk ey)... 305 Index
533

Tr
ansfer redve hicle data
Android Auto......................................... 320
Apple CarPl ay®
...................................... 320
Tr ansmission (problem)............................ 15 9
Tr ansmission position display.................. 157
Tr anspo rting
Ve hicle..................................................3 93
Tr im element (Care)................................... 374
Tu neIn
Logging out...........................................3 34
Re gis tering............................................ 334
Selecting stre am.................................. .334
Setting options...................................... 334
Te rm s of use..........................................3 34
Tu neIn
Calling up..............................................3 33
Deleting stations.................................. .334
Overview.............................................. .333
Saving stations...................................... 334
Selecting and connecting a statio n....... 334
Tu rn signal indicator
Ac tivating/deactivating......................... 12 3TV
Activating............................................... 351
Ad justing the brightness........................ 357
Calling up the menu (CI+ module)......... 358
Displa ysintheTV control menu............ 353
Fu nction/no tes (audio language,
subtitles)............................................... 356
Information............................................ 350
Overview............................................... 352
Picture settings.....................................3 57
Picture settings overview...................... 357
Setting subtitles................................... .356
Setting the audio languag e.................... 356
Showing telete xt.................................... 357
Showing/hiding full screen................... 353
Te lete xt ove rview.................................. .356
Vo ice commands (LINGU ATRO NIC)........2 47
TV channel
Ac tivating/deactivating channel fix. ...... 354
Channel fix............................................ 354
Channel li stove rview. ........................... 354
EPG (electronic programme guide)........ 354
Overview of favo urites.......................... .355
Quick sa ve............................................. 355
Selecting from thech annel list.............. 353 Selecting from
the control menu........... 353
Selecting from thefa vo urites............... .353
Selecting in the bac kground.................. 354
St oring..................................................3 55
Using a voice tag................................... 355
Tw o-w ayradios
Fr equencies........................................... 417
No tes on ins tallation.............................. 416
Tr ansmission output (maximum )............417
Ty re inflation compressor
see TIREFIT kit
Ty re pressure
Checking (ty repressure monitoring
sy stem).................................................4 02
No tes....................................................4 00
Re starting the tyre pressure loss
wa rning sy stem.....................................4 04
Re starting the tyre pressure monitor‐
ing sy stem.............................................4 03
TIREFIT kit............................................. 380
Ty re pressure loss warning sy stem
(function)............................................... 403
Ty re pressure monitoring sy stem
(function)............................................... 402
Ty re pressure table................................ 401 536
Index