2022 MERCEDES-BENZ CLA COUPE Owners Manual

Driving systems
Warning/indicator lamp Possible causes/consequences and
P Solutions
/
W arning lamp for distance
warning function * The red distance warning lamp lights up while the vehicle is in motion.
The distance to the vehicle in front is too small for the speed selected.
If t here is an additional warning tone, you are approaching an obstacle at too high a speed. 
Be prepared to brake immediately. 
Increase the distance.
Function of Active Brake Assist (  pag
e 237).

Driving safety systems
Warning/indicator lamp Possible causes/consequences and
P Solutions
%
ABS w arning lamp * The yellow ABS warning lamp is lit while the vehicle is running.
ABS is malfunctioning.
If an additional w
arning tone sounds, EBD is malfunctioning.
Other driving systems and driving safety systems may also be malfunctioning. 
Note the messages on the instrument display. &
WARNING Ther
e is a risk of skidding if EBD or ABS is malfunctioning
The wheels may lock during braking.
The s
teerability and braking characteristics are heavily impaired and the braking distance may increase. In addition,
other driving safety systems are switched oM. 
Drive on carefully. 
Have the brake system checked immediately at a q
ualiNed specialist workshop.

Warning/indicator lamp Possible causes/consequences and
P Solutions

Warning/indicator lamp Possible causes/consequences and
P Solutions
If ESP n
canno t be activated, ESP n
is malfunctioning. 
Have ESP n
c
hecked immediately at a qualiNed specialist workshop. 
Observe the notes on deactivating ESP n
( pag
e 218).Tyre pressure monitor
Warning/indicator lamp Possible causes/consequences and
P Solutions
w
T
yre pressure monitoring
system warning lamp Oashes*The yellow tyre pressure monitor warning lamp (pressure loss/malfunction)
Oashes f
or approximately one minute and
then remains lit.
The tyre pressure monitoring system is malfunctioning. &
WARNING Ther
e is a risk of an accident if the tyre pressure monitoring system is malfunctioning
The tyre pressure monitoring system cannot issue a warning if there is pressure loss in one or more of the tyres.
T
yres with insuPcient tyre pressure may impair the driving characteristics as well as steering and braking. 
Have the tyre pressure monitoring system checked at a q
ualiNed specialist workshop. Display messages and warning/indicator lamps
489

Warning/indicator lamp Possible causes/consequences and
P Solutions
w
T yre pressure monitoring
system warning lamp lights
up * The yellow tyre pressure monitoring system warning lamp (pressure loss/malfunction) is lit.
The tyre pressure monitoring system has detected tyre pressure loss in at least one of the tyres. &
WARNING Risk of an accident due t
o insuPcient tyre pressure
= The tyr
es can burst.
= The tyres can wear excessively and/or unevenly.
= The driving characteristics as well as the steering and braking may be greatly impaired.
You could then lose control of the vehicle. 
Observe the recommended tyre pressures. 
Adjust the tyre pressure if necessary. 
Stop the vehicle in accordance with the tr
aPc conditions. 
Check the tyre pressure and the tyres. 490
Display messages and warning/indicator lamps

1, 2, 3 ...
360° camer a
Care...................................................... 344
Function................................................ 253
Switching automatic mode on/oM
(reversing camera)................................. 256 A
A/C function A

ctivating/deactivating (operating
unit)....................................................... 149
MBUX.................................................... 149
ABS , Anti-lock braking system...................... 218
Acceleration Kickdown............................................... 182
Accident ERA-GLONASS test mode...................... 322
Accident, emergency call ............................. 319
Acoustic locking veriNcation signal, acti-
vating/deactivating........................................ 84
Acoustic presence indicator , Sound gen-
erator.......................................................... 157 Acoustic Vehicle Indication
, Sound g
ener-
ator.............................................................. 157
Active Blind Spot Assist Brake application................................... 247
Exit warning........................................... 245
Function................................................ 245
Trailer operation..................................... 247
Active bonnet, Pedestrian protection............ 333
Active bonnet (pedestrian protection) Resetting............................................... 333
Active Brake Assist Function................................................ 237
Setting................................................... 241
Active Distance Assist DISTRONIC Activate/deactivate variable limiter........ 230
Activating/deactivating.......................... 230
Active Emergency Stop Assist................ 236
Calling up a speed................................. 230
Function................................................ 228
Increasing/decreasing the speed........... 230
Route-based speed adaptation............... 233
Storing a speed...................................... 230
Active Lane Keeping Assist Activating/deactivating.......................... 250 Function................................................ 248
Se tting the sensitivity............................. 250
Trailer operation..................................... 248
Active light function ..................................... 134
Active Parking Assist Exiting a parking space.......................... 264
Function................................................ 261
Parking.................................................. 262
Active Service System PLUS,
ASSYST PLUS.............................................. 331
Active Speed Limit Assist ............................. 232
Active Steering Assist Activating/deactivating.......................... 236
Active Emergency Stop Assist................ 236
Function................................................ 234
Adaptive brake lights .................................... 223
Adaptive cruise control , Active Distance
Assist DISTRONIC........................................ 233
Adaptive Highbeam Assist , High beam
Activating/deactivating.......................... 137
Function................................................ 136
Adaptive Highbeam Assist Plus Function................................................ 137 Index
491

Switching on/oM
.................................... 138
AdBlue n
Additives................................................ 397
Capacity................................................ 398
Notes..................................................... 187
Purity..................................................... 397
Topping up............................................. 188
Additional door lock ....................................... 86
Additives AdBlue n
......................................... 188, 397
Engine oil............................................... 398
Fuel....................................................... 395
Aser-sales service, ASSYST PLUS................. 331
Air conditioning menu Air distribution....................................... 150
Calling up.............................................. 149
Climate control...................................... 149
Stationary heater/ventilation................. 155
Air distribution MBUX multimedia system....................... 150
Setting................................................... 148
Air inlet ........................................................ 340
Air pressure ................................................. 371 Air vents
Se tting................................................... 155
Air/water duct............................................. 340
Airbag, Occupant safety Automatic front passenger airbag shut
oM............................................................ 57 Deployment............................................. 48
Front airbag............................................. 54
Overview.................................................. 54
PASSENGER AIR BAG indicator lamps...... 58
Protection................................................ 55
Reduced protection.................................. 56
Warning lamp........................................... 48
AirOow Setting................................................... 148
Alarm system , ATA....................................... 102
All-wheel drive, 4MATIC................................ 183
Ambient lighting ........................................... 139
Animals, Pets in the vehicle............................ 82
Anti-lock braking system , ABS...................... 218
Anti-thes alarm system , ATA......................... 102
Anti-thes protection, ATA
Additional door lock................................. 86 Immobiliser............................................ 102
Anticipat ory operating-mode strategy ,
Route-based................................................. 173
Approval numbers ........................................ 390
Apps Mercedes me calls................................. 309
Mercedes me connect........................... 313
Assembly licence plate, front .......................... 29
Assistance system , Driving safety system..... 217
ASSYST PLUS Battery disconnection periods................ 332
Service interval display.......................... 331
Service requirements............................. 331
ATA, Anti-thes protection
Deactivating the alarm........................... 103
Function................................................ 102
Interior protection.................................. 104
Tow-away protection.............................. 103
ATTENTION ASSIST Function................................................ 223
Setting................................................... 225
Attention assistant , ATTENTION ASSIST........ 223
Authorised workshop ...................................... 41492
Index

Automatic car wash
...................................... 340
Automatic car wash mode .................... 340, 342
Automatic climate control ............................ 149
Automatic distance control , Active Dis-
tance Assist DISTRONIC............................... 228
Automatic driving lights................................ 132
Automatic emergency call , Mercedes-
Benz emergency call system......................... 320
Automatic engine start/stop , ECO start/
stop function................................................ 167
Automatic front passenger airbag shutoM
Function.................................................. 57
PASSENGER AIR BAG indicator lamps...... 58
Automatic measures aser an accident ,
Occupant safety............................................. 62
Automatic mirror folding function................. 147
Automatic transmission Changing gear........................................ 178
DIRECT SELECT lever............................. 178
Drive programs...................................... 173
DYNAMIC SELECT switch....................... 173
Engaging drive position.......................... 180
Engaging neutral.................................... 179 Engaging reverse gear............................ 179
F aulty gear shis..................................... 181
Kickdown............................................... 182
Manual shising ...................................... 181
Selecting park position........................... 180
Steering wheel gearshis paddles............ 181
Transmission position display................. 178
Transmission positions........................... 178
Autonomous braking .................................... 237
AVAS , Acoustic vehicle alerting system......... 157
Axle load Trailer operation..................................... 406 B
Ball nec
k
Folding out/in........................................ 267
Trailer coupling...................................... 269
BAS , Brake Assist System............................. 218
Battery (12 V battery) Charging................................................ 359
Notes..................................................... 355
Replacing............................................... 360
Starting assistance................................ 357 Battery (high-voltage on-board electrical
sy
stem) ........................................................ 403
Battery (key) .................................................. 85
Battery (starter battery) Charging via Remote Online................... 162
Battery operation , Plug-in hybrid operation... 157
Belt, Seat belt................................................ 49
Bicycle rack Load capacity........................................ 405
Trailer operation..................................... 270
Blind Spot Assist, Active Blind Spot Assist Activating/deactivating.......................... 248
Function................................................ 245
BlueTec AdBlue n
................................................. 187
Bluetooth n
................................................... 308
Bonnet Active bonnet......................................... 333
Opening/closing.................................... 334
Resetting (active bonnet)........................ 333
Boot lid Closing.................................................... 92 Index
493