MERCEDES-BENZ C-CLASS COUPE 2021 Owners Manual

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
The steerability and braking characteristics are heavily impaired and the braking dis tance may increase. In addi‐
tion, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. ÷
ESP ®
wa rning lamp *
The yellow ESP ®
wa rning lamp flashes while theve hicle is in motion.
or
The yellow ESP ®
wa rning lamp is lit while the engine is running.
The yellow ESP ®
wa rning lamp flashes while theve hicle is in motion:
One or more wheels has reached its grip limit (/ page177). #
Adapt your driving style to suit thero ad and weather conditions.
The yellow ESP warning lamp ®
is lit while the engine is running.
ESP ®
is malfunctioning.
Other driving sy stems and driving saf ety sy stems (e.g. BAS) may also be malfunctioning. #
Notethe messages on the multifunction displa y. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabilisation. In addition, other driving saf ety sy stems
are switched off. 498
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
Drive on carefull y. #
Have ESP ®
ch ecked at a qualified specialist workshop. å
ESP ®
OFF warning lamp *
The yellow ESP ®
OFF warning lamp is lit while the engine is running.
ESP ®
is deacti vated.
Other driving sy stems and driving saf ety sy stems may also be inoperative. &
WARNING Risk of skidding when driving wi thESP ®
deacti vated
ESP ®
does not act tostabilise theve hicle. The availability of fur ther driving saf ety sy stems is also limited. #
Drive on carefull y. #
Deactivate ESP ®
only for as long as the situation requ ires.
If ESP ®
cannot be activated, ESP ®
is malfunctioning. #
Have ESP ®
ch ecked immediately at a qualified specialist workshop. #
Obser vethe no tes on deactivating ESP ®
(/ page 177). Displ
aymessa ges and warning/indicator lamps 499

Ty
re pressure moni torWa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
h Ty re pressure monitoring
sy stem warning lamp *The
yellow tyre pressure monitor warning lamp (pressure loss/malfunction) flashes for appro ximately one minu te
and then remains lit.
or
The yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
The yellow tyre pressure monitor warning lamp (pressure loss/malfunction) flashes for appr oxima tely one
minute and then remains lit:
The tyre pressu remonitor is malfunctioning. &
WARNING Thereis a risk of an accident if the tyre pressure monitoring sy stem is malfunctioning
The tyre pressure monitoring sy stem cann otissue a warning if there is pressure loss in one or more of the tyres.
Ty res with insuf ficient tyre pressure may impair the driving characteristics as well as steering and braking. #
Have the tyre pressure monitoring sy stem checked at a qualified specialist workshop. The
yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit:
The tyre pressure monitoring sy stem has de tected tyre pressure loss in at least one of the tyres. &
WARNING Risk of an accident due toinsuf ficient tyre pressure
R The tyres can bu rst. 500
Displaymessa ges and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
R The tyres can wearexc essively and/or une venly.
R The driving characteristics as well as thesteering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle in accordance with the tra ffic conditions. #
Check the tyre pressure and the tyres. Display messages and
warning/indicator lamps 501

1,
2, 3 ...
4MATIC Function................................................ 16 2
12 V battery
see Battery (vehicle)
12 V so cket
see Soc ket (12 V)
48 V on-board electrical sy stem
see EQ Boo sttech nology
360° Came ra
Button.................................................... 216
Car e...................................................... .373
Fu nction................................................. 213
Opening the camera co ver (r eve rsing
camera)................................................. 216
Selecting a view..................................... 216
Setting favo urites.................................. .216
Switching au tomatic operation
on/off (r eversing camera).................... .216 A
A/C function Activating/deactivating (control
panel).................................................... 13 6
ABS (Anti-lock Braking Sy stem) .............. .177
Ac celeration
see Kickdown
Ac cess data
Editing (Blue tooth®
)...............................3 31
Setting (Blue tooth®
).............................. 330
Ac cident and Breakdown Manage‐
ment
Mercedes me connect.......................... .325
Ac oustic locking verification signal
Ac tivating/deactivating........................... 72
Ac tivating/deactivating automatic
vo lume adjustment
Ad vanced sound sy stem........................3 60
Burmes ter®
sur round sound sy stem..... 359
Ac tive Blind Spot Assi st
Brake application.................................. 204
Fu nction................................................ 202
Sy stem limitations................................. 202 Tr
ailer operatio n.................................... 204
Ac tive bonn et(pedestrian pr otection)
Operation.............................................. 362
Re setting...............................................3 62
Ac tive Brake Assi st
Fu nction/no tes..................................... 19 6
Setting................................................... 200
Ac tive Di stance Assist DISTRO NIC
Ac tive Emergency Stop Assis t............... 19 5
Calling up a spee d................................. 189
Fu nction................................................ 186
Increasing/decreasing speed................ 189
Ro ute-based speed adap tatio n.............. 191
Selecting............................................... 189
St oring a speed.....................................1 89
Switching off/deactivating.................... 189
Switching on/activating........................ 189
Sy stem limitations................................. 186
Ac tive Eme rgency Stop Assist ................ .195
Ac tive headlamps...................................... 124
Ac tive Lane Keeping Assist
Ac tivating/deactivating......................... 207
Ac tivating/deactivating thewa rning.... .208
Fu nction................................................ 205 502
Index

Sy
stem limits.........................................2 05
Tr ailer operation.................................... 205
Ac tive Parking Assist
Exiting a parking space......................... 223
Fu nction................................................ 220
Pa rking................................................. .222
Sy stem limitations................................. 220
Ac tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ac tive Speed Limit Assi st
Displ ay................................................... 19 0
Fu nction................................................ 19 0
Ac tive Steering Assist
Ac tivating/deactivating......................... 194
Ac tive Emergency Stop Assis t............... 19 5
Fu nction................................................ 19 3
Sy stem limits.........................................1 93
Ad aptive brake lights ................................ 181
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive Highbeam Assist Plus
Fu nction................................................ 12 6
Switching on/of f................................... 127Ad
Blue ®
Ad ditives...............................................4 25
Capacity................................................ 426
No tes..................................................... 16 5
Purity..................................................... 425
To pping up............................................. 16 6
Ad ditional door lo ck.................................... 74
Ad diti ves
Ad Blue ®
................................................ 425
Engine oil.............................................. 426
Fu el....................................................... 423
Ad diti ves (AdBlue ®
)
see AdBlue ®
Ad diti ves (engine oil)
see Additives
Ad diti ves (fuel)
see Fuel
Ad dress book
see Contacts
Ad justing bass, mid- range and treble
settings
Adva nced sound sy stem........................3 60Ad
justing mid- range, treble and bass
settings
Adva nced sound sy stem........................3 60
Ad justing the balance/ fader
Adva nced sound sy stem........................3 60
Burmes ter®
sur round sound sy stem..... 360
Ad justing the bass, mid- range and
treble
Burmes ter®
sur round sound sy stem..... 359
Ad justing the mid- range, treble and
bass
Burmes ter®
sur round sound sy stem..... 359
Ad justing the sound focus
Burmes ter®
sur round sound sy stem..... 360
Ad justing treble, mid- range and bass
settings
Adva nced sound sy stem........................3 60
Burmes ter®
sur round sound sy stem..... 359
ADS PLUS damping sy stem
see AIRMATIC
Ad vanced sound sy stem
Ad justing the balance/fader................. 360 Index
503

Ad
justing treble, mid-range and bass
setting s................................................. 360
Calling up the sound menu.................... 360
Information............................................ 360
Switching volume adjustment on/of f.... 360
Af ter-sales service centre
see ASS YST PLUS
Air distribution Setting................................................... 13 5
Air freshener sy stem
see Fragrance sy stem
Air inlet see Air-water duct
Air pressure see Tyre pressure
Air suspension see AIRMATIC
Air vents
Ad justing (front).................................... 14 2
Ad justing (rear)..................................... .143
Air vents
see Air vents Ai
r-conditioning sy stem
see Climate control
Air-recirculation mode.............................. 137
Air-water duct Keeping free.......................................... 369
Airbag Activation................................................ 38
Fr ont airbag (driver, front passenger)...... 44
Ins tallation locations.............................. .44
Knee airbag............................................ .44
Overview................................................. 44
PA SSENGER AIR BAG indicator lamp....... 49
Pr otection................................................ 45
Re duced pr otection.................................46
Side airba g.............................................. 44
Wi ndow airba g......................................... 44
Airflow Setting................................................... 13 5
AIRM ATIC
Setting.................................................. .209
Suspension........................................... 208
Alarm sy stem
see ATA (anti-theft alarm sy stem) All-wheel drive
see 4MATIC
Alternative route
see Route
Ambient lighting Setting (MBUX multimedia sy stem)....... 12 9
Android Auto
Connecting a mobile phone (wireless).. .319
Ending.................................................... 319
Information............................................ 319
Overview................................................3 18
Sound settings....................................... 319
Tr ans ferred vehicle data........................3 20
Animals Pets in theve hicle................................... 70
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-skid chains
see Snow chains
Anti-theft pr otection
Ad ditional door loc k................................ .74
Immobiliser.............................................. 91504
Index

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

Drive program display............................
15 6
Drive programs...................................... 15 5
DY NA MIC SELECT switch...................... 15 5
Engaging drive position........................ .159
Engaging neutral................................... .158
Engaging park position.......................... 15 9
Engaging reve rsege ar........................... 15 8
Kickdown............................................... 161
Manual gear changing.......................... .160
St eering wheel gearshift paddles.......... 16 0
Tr ansmission position displa y................ 157
Tr ansmission position s..........................157
Au tomatic transmission (problem)
see Transmission (problem)
Axle load Perm issible............................................ 41 8
Tr ailer operation.................................... 432 B
Bad weather light...................................... 12 6
Bag hook..................................................... 11 4
Ball ne ck
Fo lding out/in....................................... 227
BA S (Brake Assist Sy stem)....................... 17 7Battery
Remo tecontrol (s tationary heater)........ 141
Battery see Battery (vehicle)
Battery (k ey)
Re placing.................................................73
Battery (vehicle) Charging................................................ 388
Charging (Remo teOnline)...................... 14 6
No tes....................................................3 85
No tes (s tarting assis tance and
ch arging)............................................... 386
Re placing.............................................. 390
St arting assis tance................................ 388
Belt see Seat belt
Bic ycle rack
Load capacity........................................ 431
Tr ailer operation.................................... 231
Blind Spot Assist Activating/deactivating......................... 205
Fu nction................................................ 202
Sy stem limitations................................. 202 Blo
wer
see Climate control
BlueTEC see AdBlue ®
Blue tooth ®
Information............................................ 265
Setting up an Internet connection.........3 30
Switching on/off.................................. .265
Switching profile (DUN/PAN)................ 331
Blue tooth ®
audio
Ac tivating.............................................. 346
De-authorising (de-regis tering) the
device.................................................... 347
Information...........................................3 44
Overview............................................... 345
Sear ching for a track............................. 347
Sear ching for and auth orisingthe
device.................................................... 345
Selecting a media pla yer....................... 346
Switching device via NFC...................... 347
Bonnet Resetting (active bonnet)...................... 362 506
Index

Boot lid
Activating/deactivating theta ilgate
opening limiter........................................ 84
Closin g................................................... .79
HANDS-FREE ACCES S............................. 82
Locking separately.................................. 83
Opening................................................... 79
Brake Assi stSystem
see BAS (Brake Assi stSystem)
Brake fluid
No tes..................................................... 427
Brake forc e distribution
EBD (Elect ronic Brake forc e Distribu‐
tion).......................................................1 79
Brakes 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
Driving tips........................................... .149
EBD (Electronic Brake forc e Distribu‐
tion).......................................................1 79
HOLD function....................................... 180Limited braking ef
fect (salt-trea ted
ro ads).................................................... 14 9
New/replaced brake linings/brake
discs...................................................... 147
Ru nning-in no tes.................................... 147
Braking assistance see BAS (Brake Assi stSystem)
Breakdown Overview of the help functions................ 18
To w- starting......................................... .395
To wing away.......................................... 391
Tr ansporting theve hicle........................ 393
Wheel chang e....................................... .409
Breakdown see Flat tyre
Burmes ter®
sur round sound sy stem
Ad justing the balance/fader................. 360
Ad justing the sound focus..................... 360
Ad justing treble, mid-range and bass
setting s................................................. 359
Au tomatic volume adjustment............... 359
Calling up the sound menu.................... 359
Information............................................ 359
Switching the sur round sound on/off...3 60Buttons
Steering wheel...................................... 235 C
Call list Making a call.........................................3 13
Overview................................................3 12
Calling up the sound menu
Adva nced sound sy stem........................3 60
Burmes ter®
sur round sound sy stem..... 359
Calls Accepting.............................................. 309
Ac tivating functions du ring a call......... .309
Calls with se veral participant s............... 309
Declining............................................... 309
Ending a call.......................................... 309
Incoming call du ring an existing call...... 310
Making.................................................. 309
Mercedes me........................................3 20
Camera see 360° Camera
see Reversing camera
Car key
see Key Index
507