2021 MERCEDES-BENZ C-CLASS COUPE tow

Display messages
Possible causes/consequences and M
MSolutions
Active Blind Spot Assist
currently unavailable See
Owner's Manual *A
ctive Blind Spot Assi stistemp orarily una vailable.
The sy stem limits ha vebeen reached (/ page 202).
Once the cause of the problem is no longer present, the sy stem will be available again. #
Drive on.
or #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra ffic conditions and restart
th e engine.
Active Blind Spot Assist
inoperative *A
ctive Blind Spot Assi stis malfunctioning. #
Consult a qualified specialist workshop.
Active Blind Spot Assist
not available when towing
a trailer See Owner's Man-
ual *W
hen you es tablish the electrical connection tothe trailer, Active Blind Spot Assi stwill be una vailable. #
Press the left-hand Touch Control and ackn owledge the display message.
Active Lane Keeping Assist
currently unavailable See
Owner's Manual *A
ctive Lane Keeping Assist is temp orarily una vailable.
The ambient conditions are outside the sy stem limits (/ page 205).
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again.
Ve hicles with Active Steering Assis t:the camera view may be limited bythe windscreen. #
Drive on. 464
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
ï Tr ailer tow hit chwarning
lamp *T
hered trailer hitch warning lamp is lit.
The trailer hitch is not operational. &
WARNING Risk of an accident if the ball neck is not loc ked
The trailer may become de tach ed. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivel mo vement and do not re-couple the trailer until thewa rning/indicator lamp goes out. #
Notethe messages on the multifunction displa y.Engine
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
ÿ Coolant warning lamp *T
he red coolant warning lamp is lit while the engine is running.
Po ssible causes:
R The temp erature sensor is malfunctioning
R The coolant le vel is too low
R The air supply tothera diator is obstructed
R The radiator fan is faulty Display messages and
warning/indicator lamps 491

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 ®
.......................... 317
Ending.................................................... 318
No tes..................................................... 317
Overview................................................ 317
Sound settings....................................... 318
Tr ans ferred vehicle data........................3 20
Assistance sy stems
see Driving saf ety sy stem
ASS YST PLUS
Battery disconnection pe riods.............. 362
Displaying the service due dat e............. 361
Fu nction/no tes...................................... 361
Re gular maintenance work.................... 361
Special service requirements............... .361
ATA (anti-theft ala rmsystem)
Deactivating the alarm............................ 92 Fu
nction.................................................. 91
Fu nction of interior pr otection................. 93
Priming/deactivating interior pr otec‐
tion.......................................................... 93
Priming/deactivating tow- aw ay pro‐
te ction..................................................... 93
To w- aw ay protection function.................. 92
AT TENTION ASSI ST
Fu nction................................................. 181
Setting................................................... 183
Sy stem limitations................................. 181
At tention assistant
see ATTENTION ASSIST
Au dio mode
Connecting USB device s....................... 338
Co pyrights............................................. 336
Information............................................ 334
Inserting/re moving an SD car d............. 336
Media sea rch........................................ .342
Overview............................................... 338
Pa use and playback function................ .339
Selecting a track................................... 339
Selecting playba ckoptions.................... 339
Switching on media mode..................... 336
Tr ack list............................................... .339 Au
thorised workshop
see Qualified specialist workshop
Au tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights ...........................12 2
Au tomatic engine start (ECO start/
sto p function)............................................ 15 2
Au tomatic engine stop (ECO start/
sto p function)............................................ 15 2
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
Au tomatic mir rorfo lding function
Ac tivating/deactivating......................... 13 4
Au tomatic transmission
DIRECT SELECT le ver............................. 157 Index
505

Cruise control
Activating.............................................. 184
Buttons.................................................. 184
Calling up a spee d................................. 184
Deactivating.......................................... 184
Fu nction................................................ 183
Re quirements........................................ 184
Selecting............................................... 184
Setting a speed..................................... 184
St oring a speed.....................................1 84
Sy stem limitations................................. 183D
Dashboa rd
see Cockpit
Data acquisition Vehicle.................................................... 33
Data import/export Function/no tes..................................... 269
Importing/exporting............................. 270
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....................................................... 264
Deactivating the alarm (A TA )...................... 92
Deale rship
see Qualified speciali stwo rkshop
Declaration of conformity Electromagnetic compatibility................. 25
Jack.........................................................28
Speci fic absor ption rate.......................... 25
TIREFIT kit............................................... 29
Wi reless vehicle components.................. 25
Decorative foil (cleaning instructions) ....372
DeNOx agent see AdBlue ®
De stination
Editing intermediate destinations......... .281
Editing the pr evious destinations.......... 292
Ex tern al................................................. 292
Saving (cur rent vehicle position)........... 292 Saving as a
favo urit e............................. 292
Saving asglobal favo urit e...................... 292
St oring a map position..........................2 92
Dest ination entry
En tering a 3 wordaddress..................... 282
En tering a POI or address...................... 277
Entering an intermedia tedestination.....2 81
Entering geo-coordinates......................2 82
Selecting a contact............................... 282
Selecting a POI...................................... 280
Selecting from the map......................... 283
Selecting pr evious destinations............ .280
De tecting inat tentiveness
see ATTENTION ASSIST
Diagnostics connection .............................. 29
Diesel Low outside temp eratures..................... 423
No tes....................................................4 23
Digital Owner's Manual .............................. 20
Digital TV
see TV
Dinghy towing
see Tow- bar sy stem 51 0
Index

:
Switch on headlamps................... 440
Ø Top up AdBlue Emergency op.
in XXX miles See Owner's Manual......... 482
+ Top up coolant See Owner ’s
Manual.................................................. 448
¥ Top up washer fluid ...................... 447
! Turn on the ignition torelease
th e parking brake..................................4 56
d Vehicle is operational Switch
off ignition before exiting..................... .443
É Vehicle rising Please wait............ .468
É Vehicle rising................................4 67
h Warning tyre defect..................... .479
h Wheel sensor(s) missing............... 478
Ø XX,X l Top up AdBlue Switch on
ignition, wait 60 sec. or eng. start
not poss................................................ 483
Ac tive Blind Spot Assi stcur rently
una vailable See Owner's Manual ...........464
Ac tive Blind Spot Assi stinope rative ...... 464 Ac
tive Blind Spot Assi stnot available
when towing a trailer See Owner's
Manual .................................................. 464
Ac tive bonnet malfunction See Own‐
er's Manual........................................... 445
Ac tive Brake Assi stFunctions cur‐
re ntly limited See Owner's Manual ........472
Ac tive Brake Assi stFunctions limited
See Owner's Manual.............................. 473
Ac tive Dis tance Assi stavailable again ...4 60
Ac tive Dis tance Assi stcur rently
una vailable See Owner's Manual ...........460
Ac tive Dis tance Assi stinope rative ........ 460
Ac tive Lane Keeping Assist Camera
view restricted See Owner's Manual..... 465
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual ...........464
Ac tive Lane Keeping Assist inopera‐
tive........................................................ 465 Ac
tive Steering Assist cur rently
una vailable due tomultiple emer‐
ge ncy stops...........................................4 61
Ac tive Steering Assist cur rently
una vailable See Owner's Manual ...........461
Ac tive Steering Assist inoperative ..........461
Ad aptive Highbeam Assist Plus Cam‐
era view restricted See Owner's
Manual................................................... 441
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual......................................................... 441
Ad aptive Highbeam Assist Plus inop‐
erative.................................................. .441
App lybrake todeselect Park (P)
position................................................. 450
Apply brake toselect R......................... 450
Au xilia rybattery malfunction (red
display message) ...................................4 52 Index
513

Ty
re press. monitor inoperative.............4 77
Ty re press. monitor inoperative No
wheel sensors ........................................ 478
Ty re pressure Check tyres .....................481
Ty re(s) ove rheated................................. 480
Wi thout changing gear, consult work‐
shop......................................................4 51
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................................ .74
Locking/unlocking (emergency key)....... .78
Opening (from inside).............................. 75
Un locking (from inside).......................... .75
Door cont rol panel....................................... 16
Dr aw bar
see Tow- bar sy stem
Drive Away Assist ...................................... 225 Drive
Away Assist
see Pr otection against collision
Drive position Enga ging................................................1 59
Drive prog ram display ............................... 15 6
Drive prog rams
see DYNA MIC SELECT
Driver's seat see Seat
Driving abroad Light adjustment (low beam)................. 121
Driving saf ety sy stem
ABS (Anti-lock Braking Sy stem).............1 77
Ac tive Brake Assi st................................ 19 6
Ad aptive brake lights............................. 181
BA S (Brake Assi stSystem).................... 17 7
Cameras............................................... .175
EBD (Electronic Brake forc e Distribu‐
tion).......................................................1 79
ESP ®
Crosswind Assist.......................... 178
ESP ®
trailer stabilisation...................... .179
Overview................................................ 176
Ra dar and ultrasonic sensor s................ 175
Re sponsibility........................................1 75ST
EER CONTROL................................... 17 9
Driving sy stem
DY NA MIC BODY CONTROL.................... 208
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
see AIRMATIC
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise control
see Driving saf ety sy stem
see HOLD function
see Limiter
see Parking Assist PARKTRONIC
see Reversing camera
see Traf fic Sign Assi st
Driving tips Driving abroad (low beam light
adjustment).......................................... .121 Index
515

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

Pa
rking assistance sy stems
see Active Parking Assist
Pa rking brake
see Electric parking brake
Pa rking lights............................................ .121
Pa rking position
Outside mir rors..................................... 13 3
St oring the position of the passenger
outside mir ror using reve rsege ar.......... 13 4
Pa rking up.................................................. 174
PA SSENGER AIR BAGstatus display
see Automatic front passenger front
airbag shutoff
Pe destrian pr otection
see Active bonnet (pedestrian pr otection)
Pe rfume
see Fragrance sy stem
Pe rfume vial
see Fragrance sy stem
Pe riod out of use
Ac tivating/deactivating standby mode. .174
St andby mode function.......................... 174
Pe rm issible axle load ................................ 41 8Pe
rm itted towing me thods...................... 390
Pe rsonalisation
see User profile
Pe trol .......................................................... 422
Pe ts in the vehicle ....................................... 70
Phone book see Contacts
Picture form ats
see Video mode
Picture settings see Video mode
PIN pr otection
Swit ching on/of f................................... 270
Plastic trim (Care)......................................3 74
Playback options Selecting............................................... 339
POI Selecting............................................... 280
POI symbols Selecting............................................... 298
Po we r supp ly
Switching on (S tart/S top button).......... 14 4PRE-SAFE
®
(anticipatory occupant
pr otection)
Fu nctio n................................................... 51
PRE-SAFE ®
Sound.................................... 51
Re versing measures................................ 52
PRE- SAFE®
PLUS (anticipa tory occu‐
pant pr otection plus)
Fu nctio n.................................................. 52
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.............................................. .280
Prog ramme in form ation
TV channel........................................... .354
Prog rams
see DYNA MIC SELECT
Pr otection against collision .....................225 Index
527