MERCEDES-BENZ C-CLASS SALOON 2022 Owners Manual

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 driver's 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 230).Mercedes-Benz emergency call system
Warning/indicator lamp Possible causes/consequences and
P Solutions
H
Mer
cedes-Benz emergency
call system warning lamp *The Mercedes-Benz emergency call system is malfunctioning. The Mercedes me connect system is also malfunctioning. 
Consult a qualiNed specialist workshop.540
Display messages and warning/indicator lamps

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. 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. Display messages and warning/indicator lamps
541

Warning/indicator lamp Possible causes/consequences and
P Solutions
Stop the vehicle in accordance with the tr aPc conditions. 
Check the tyre pressure and the tyres. 542
Display messages and warning/indicator lamps

1, 2, 3 ...
48 V on-boar d electrical system
Notes..................................................... 306
Operating safety...................................... 22
360° camera Care...................................................... 386 A
A/C function A

ctivating/deactivating (operating
unit)....................................................... 158
MBUX.................................................... 159
ABS , Anti-lock braking system...................... 229
Acceleration Kickdown............................................... 196
Optimised acceleration.......................... 177
Accelerator pedal , Haptic
accelerator pedal......................................... 188
Accident ERA-GLONASS test mode...................... 366
Accident prevention ..................................... 289
Accident, emergency call ............................. 363 Acoustic locking
v
eriNcation signal, acti-
vating/deactivating........................................ 80
Acoustic presence indicator , Sound gen-
erator.......................................................... 170
Acoustic Vehicle Indication , Sound gener-
ator.............................................................. 170
Active Blind Spot Assist Activating/deactivating.......................... 266
Brake application................................... 265
Exit warning........................................... 263
Function................................................ 263
Trailer operation..................................... 265
Active bonnet, Pedestrian protection............ 375
Active Brake Assist Function................................................ 253
Setting................................................... 257
Active Distance Assist DISTRONIC Activate/deactivate variable limiter........ 242
Activating/deactivating.......................... 242
Active Emergency Stop Assist................ 249
Active Lane Change Assist..................... 251
Calling up a speed................................. 242
Function................................................ 239
Increasing/decreasing the speed........... 242 Route-based speed adaptation............... 245
S
toring a speed...................................... 242
Active Lane Change Assist Activating/deactivating.......................... 253
Function................................................ 251
Active Lane Keeping Assist Activating/deactivating.......................... 269
Function................................................ 266
Setting the sensitivity............................. 269
Trailer operation..................................... 266
Active light function ..................................... 138
Active Parking Assist Automatic braking function.................... 289
Cross traPc warning.............................. 290
Drive Away Assist................................... 289
Exiting a parking space.......................... 287
Function................................................ 284
Manoeuvering brake function................. 291
Parking.................................................. 286
Pausing.................................................. 288
Active Service System PLUS,
ASSYST PLUS.............................................. 373
Active Speed Limit Assist ............................. 244 Index
543

Active Steering Assist
A ctivating/deactivating.......................... 249
Active Emergency Stop Assist................ 249
Active Lane Change Assist..................... 251
Function................................................ 247
Active Stop-and-Go Assist Function................................................ 246
Adaptive brake lights .................................... 234
Adaptive cruise control , Active Distance
Assist DISTRONIC........................................ 245
Adaptive Highbeam Assist , High beam
Activating/deactivating.......................... 144
Function................................................ 143
Adaptive Highbeam Assist Plus Function................................................ 144
Switching on/oM .................................... 145
AdBlue n
Additives................................................ 438
Capacity................................................ 439
Notes..................................................... 201
Purity..................................................... 438
Topping up............................................. 202
Additional door lock ....................................... 83 Additives
A dBlue n
......................................... 202, 438
Engine oil............................................... 439
Fuel....................................................... 436
Aser-sales service, ASSYST PLUS................. 373
Air conditioning menu Air distribution....................................... 159
Calling up.............................................. 158
Climate control...................................... 159
Fragrance system.................................. 161
Front climate control.............................. 158
Ionisation............................................... 161
Rear compartment climate control......... 159
Stationary heater/ventilation................. 168
Air distribution MBUX multimedia system....................... 159
Setting........................................... 155, 156
Air freshener system .................................... 161
Air inlet ........................................................ 382
Air pressure ................................................. 413
Air vents Setting................................................... 169
Air/water duct............................................. 382 Airbag, Occupant saf
ety
Automatic front passenger airbag shut
oM............................................................ 52 Centre airbag (driver's backrest).............. 48
Deployment............................................. 43
Front airbag............................................. 48
Overview.................................................. 48
PASSENGER AIR BAG indicator lamps...... 53
Protection................................................ 50
Reduced protection.................................. 51
Warning lamp........................................... 43
AirOow Setting........................................... 155, 156
Alarm system , ATA
Interior protection function..................... 103
All-wheel drive, 4MATIC................................ 196
Alternative route.......................................... 343
Ambient lighting ........................................... 147
AMG TRACK PACE ConNguring ............................................ 337
Drag Race.............................................. 336
Function................................................ 333
Telemetry display................................... 337
Track Race............................................. 334 544
Index

Animals, Pets in the vehicle............................ 77
Anti-lock braking system , ABS...................... 229
Anti-thes alarm system , ATA......................... 101
Anti-thes protection , ATA
Additional door lock................................. 83
Immobiliser............................................ 101
Anticipatory operating-mode strategy ,
Route-based................................................. 187
Approval numbers ........................................ 431
Apps, Mercedes me Mercedes me calls................................. 353
Mercedes me connect........................... 356
Assembly licence plate, front .......................... 25
Assistance system , Driving safety system..... 228
ASSYST PLUS Battery disconnection periods................ 374
Service interval display.......................... 373
Service requirements............................. 373
ATA , Anti-thes protection
Deactivating the alarm........................... 102
Function................................................ 101
Interior protection.................................. 103
Tow-away protection...................... 102, 103 ATTENTION ASSIST
F unction................................................ 234
Setting................................................... 235
Attention assistant, ATTENTION ASSIST........ 234
Authorised workshop ...................................... 35
Automatic car wash ...................................... 382
Automatic car wash mode .................... 382, 383
Automatic climate control ............................ 159
Automatic distance control , Active Dis-
tance Assist DISTRONIC............................... 239
Automatic driving lights................................ 136
Automatic emergency call , Mercedes-
Benz emergency call system......................... 363
Automatic engine start/stop , ECO start/
stop function................................................ 181
Automatic front passenger airbag shutoM
Function.................................................. 52
PASSENGER AIR BAG indicator lamps...... 53
Automatic measures aser an accident ,
Occupant safety............................................. 57
Automatic mirror folding function................. 153
Automatic seat adjustment ........................... 113Automatic transmission
Changing g ear........................................ 192
DIRECT SELECT lever............................. 192
Drive programs...................................... 188
DYNAMIC SELECT button....................... 188
Engaging drive position.......................... 194
Engaging neutral.................................... 193
Engaging reverse gear............................ 193
Kickdown............................................... 196
Manual shising ...................................... 194
Oil temperature (driver's display)............ 304
Selecting park position........................... 193
Steering wheel gearshis paddles............ 194
Transmission position display................. 192
Transmission positions........................... 192
Autonomous braking .................................... 253
AVAS , Acoustic vehicle alerting system......... 170
Axle load Trailer operation..................................... 448 B
Bad w
eather light ......................................... 140
Bag hook ..................................................... 128 Index
545

Ball neck
F olding out/in........................................ 295
Trailer coupling...................................... 296
BAS , Brake Assist System............................. 229
Battery (12 V battery) Charging................................................ 401
Notes..................................................... 398
Replacing............................................... 403
Starting assistance................................ 400
Battery (high-voltage on-board electrical
system) ........................................................ 444
Battery (key) .................................................. 81
Battery (starter battery) Charging via Remote Online................... 175
Battery operation , Plug-in hybrid operation... 170
Belt, Seat belt................................................ 44
Bicycle rack Load capacity........................................ 447
Trailer operation..................................... 298
Blind Spot Assist, Active Blind Spot Assist Activating/deactivating.......................... 266
Function................................................ 263 BlueTec
A dBlue n
................................................. 201
Bluetooth n
................................................... 351
Bonnet Active bonnet......................................... 375
Opening/closing.................................... 376
Boot lid Closing.................................................... 88
HANDS-FREE ACCESS............................. 90
Limiter..................................................... 92
Opening................................................... 87
Power closing function............................. 88
Switching the separate locking fea-
ture on/oM .............................................. 92
Brake Assist Active Brake Assist................................. 253
Brake Assist System............................... 229
Brake Assist System , BAS............................. 229
Brake Nttings ................................................ 176
Brake Ouid .................................................... 441
Brake force distribution , EBD........................ 232
Brake lamps Adaptive brake lights.............................. 234 Brakes
ABS (Anti-loc k Braking System).............. 229
Active Brake Assist................................. 253
Adaptive brake lights.............................. 234
BAS (Brake Assist System)..................... 229
Driving tips............................................ 178
EBD (Electronic Brakeforce Distribu-
tion)....................................................... 232
HOLD function....................................... 232
Limited braking eMect (salt-treated
roads).................................................... 178
New/replaced brakepads/brake disks... 176
Post-collision brake.................................. 57
Recuperation......................................... 184
Running-in notes.................................... 176
Braking assistance Brake Assist System............................... 229
Breakdown Flat tyre................................................. 392
Overview of aids...................................... 16
Tow-starting........................................... 409
Towing away.......................................... 405
Transporting the vehicle......................... 407
Wheel change........................................ 421 546
Index

C
Calling t he customer centre for
Mercedes-Benz............................................ 353
Calls Mercedes me......................................... 352
Camera 360° camera......................................... 274
Activating using GPS (reversing cam-
era)........................................................ 280
Button................................................... 279
Cleaning................................................ 386
Function................................................ 274
Information............................................ 227
Manage activation points....................... 280
Reversing camera.................................. 270
Selecting the view.................................. 279
Car key .......................................................... 79
Car wash ...................................................... 382
Car-to-X communication Hazard warnings.................................... 345
Care 360° camera......................................... 386
Air/water duct....................................... 382 Automatic car wash............................... 382
Car par
ts............................................... 386
Decorative foil........................................ 385
Display................................................... 387
Exterior lighting...................................... 386
Head-up display..................................... 387
High-pressure cleaner............................ 384
Paint...................................................... 384
Plastic trim............................................ 387
Real wood/trim elements...................... 387
Roof lining............................................. 387
Trailer hitch............................................ 386
Vehicle interior....................................... 387
Vehicle socket for the high-voltage
battery................................................... 386
Washing by hand.................................... 384
Caring for plastic trim ................................... 387
Caring for real wood ..................................... 387
Caring for rims............................................. 386
Caring for the steering wheel ........................ 387
Caring for trim elements............................... 387
Central display , Home screen
Operating.............................................. 322 Central locking system
Butt on..................................................... 84
Key.......................................................... 80
Centre airbag (driver's backrest) .................... 48
Charge level display ..................................... 221
Charge level/charge display ......................... 221
Charging 12 V battery........................................... 401
At time of departure............................... 338
Charge level display............................... 221
Charging cable control panel.................. 210
Charging station, mode 3....................... 207
ConNguring weekly proNle...................... 338
Ending the charging process (alternat-
ing current, mode 2/3).......................... 215
Ending the charging process (direct
current, mode 4).................................... 219
Indicator lamps on vehicle socket........... 211
Mains socket, mode 2............................ 206
Maximum charging current (mains
socket).................................................. 209
Notes on charging the high-voltage
battery................................................... 204
Rapid charging station, mode 4.............. 208 Index
547