2019 MERCEDES-BENZ C CLASS engine

Warning/indicator lampPossible causes/consequences andPPSolutions
Intheevent of afireinthe engine compartment,keepthe hood closed and callthefireservice.
Pullover andstopthevehicle safely and switch offthe engine, paying attentiontoroad and traffic conditions. Donot continue driving under any circumstances.
Observethe messages onthe multifunction display.
Ifthe coolanttemperature display is atthe lower end ofthetemperature scale:
Consult aqualified specialistworkshop.
or
Exitthevehicle andkeep a safe distance from it untilthe engine has cooled down.
Checkthe coolant level (page 357).
Make surethatthe air supplytotheradiator is not obstructed.
Avoiding high loads onthe engine, drivetothe nearestqualified specialistworkshop. In doing so, ensurethatthecoolanttemperature displayremains belowthered area.
Display messages andwarning/indicator lamps489

Active Service System PLUSsee ASSYSTPLUS
Active Speed Limit Assist.......................187Display.................................................187Function ..............................................187
ActiveSteering Assist.............................189Activating/deactivating .......................191Active EmergencyStop Assist .............193Active Lane Change Assist...................191Displays inthe Instrument Display ......19 3Function ..............................................189System limitations ...............................189
Adaptive cruise controlseeActive Distance AssistDISTRONIC
Adaptive Highbeam AssistFunction ..............................................12 5Switching on/off .................................12 6
AdditionalvaluerangeSetting display content ........................ 229
Additives.................................................. 427Engine oil ............................................. 427Fuel ..................................................... 427
Additives (engine oil)seeAdditives
Additives (fuel)seeFuel
Address booksee Contacts
Adjusting the balance/fader
Burmester®surround sound system ... 350
Adjusting the headlamprange...............12 3
Adjusting the soundfocus
Burmester®surround sound system ... 350
Adjusting treble, mid-range and basssettings
Burmester®surround sound system ... 350
ADS PLUS damping systemsee AIRMATIC
After-sales service centersee ASSYST PLUS
Air bagReduced protection ...............................42
Air conditioning systemsee Climate control
Air distributionSetting .................................................138
Air freshener systemseePerfume atomizer
Air inletsee Air-water duct
Air pressureseeTirepressure
Air suspensionsee AIRMATIC
Airvents...................................................14 3Adjusting (front) ..................................14 3Adjusting (rear) ....................................14 3
Airventssee Airvents
Air-recirculation mode.............................141
Air-water duct.......................................... 358Keeping free ........................................358
Airbag.........................................................40Activation .............................................. 34Front airbag (driver, front passenger) ....40Installation locations .............................40Knee airbag ........................................... 40
494Index

Setting .................................................217System limitations ...............................215
Attention assistantseeATTENTION ASSIST
Audio modeActivating media mode ........................ 331Connecting USB devices ..................... 333Copyrights ...........................................330Information .......................................... 329Inserting/removing an SD card ........... 331Media search ....................................... 336Overview ............................................. 332Pause and playback function ...............333Selecting a track ................................. 333Selecting playbackoptions .................. 333Track list .............................................. 333
Authorized Mercedes-Benz Centersee Qualified specialistworkshop
Authorizedworkshopsee Qualified specialistworkshop
Automatic distance controlseeActive Distance AssistDISTRONIC
Automatic driving lights.........................12 3
Automatic enginestart (ECOstart/stop function)..........................................15 0
Automatic enginestop (ECOstart/stop function)..........................................15 0
Automatic front passenger front air‐bag shutoff.......................................... 43,44Function ofthe automatic frontpassenger front airbag shutoff .............. 43PASSENGER AIRBAG indicator lamp .....44
Automatic front passenger front air‐bag shutoffseeAutomatic front passenger frontairbag shutoff
Automatic mirrorfolding functionActivating/deactivating .......................136
Automatic transmissionDIRECT SELECT lever ...........................154Drive program display ..........................15 3Drive programs ....................................15 3DYNAMIC SELECT switch ....................15 3Engaging drive position .......................15 6Engaging neutral ..................................15 5Engaging parkposition ........................15 5Engagingreversegear .........................155
Kickdown .............................................157Manualgearshifting .............................156Steering wheel paddle shifters............15 6Transmission position display ..............154Transmission positions ........................154
Automatic transmission (problem)seeTransmission (problem)
B
Bag hook..................................................109
BAS (Brake Assist System).....................172
BatteryCharging (RemoteOnline) ....................14 6SmartKey............................................... 66
Batterysee Battery (vehicle)
Battery (vehicle)...................................... 381Charging ..............................................379Charging (RemoteOnline) ....................14 6Notes ...................................................376Notes (starting assistance andcharging) .............................................377Replacing .............................................381Starting assistance ..............................379
496Index

Compass...................................................301
Computersee On-board computer
ConnectionstatusDisplaying ............................................ 325Overview .............................................325
ConnectivitySwitching transmission ofthevehicleposition on/off .................................... 265
Contacts................................................... 309Calling up .............................................310Deleting ...............................................311Downloading (from mobile phone) .......310Importing .............................................311Importing (overview) ............................310Information .......................................... 309Making a call ........................................311Nameformat ........................................310Options ................................................311Storing .................................................311
ControllerOperating ............................................ 256
Convenience closingfeature.................... 82
Convenience opening................................81
Coolant (engine)Check level .......................................... 357Filling capacity .................................... 429Notes .................................................. 429
Coolingsee Climatecontrol
CopyrightLicenses ................................................31Trademarks............................................31
Cornering light function..........................12 5
CrossTraffic Alert....................................215
Crosswind AssistFunction/notes ....................................175
Cruise control..........................................181Buttons ................................................182Calling up a speed ...............................182Function ...............................................181Requirements: .....................................182Selecting .............................................182Setting a speed ...................................182Storing a speed ...................................182Switching off .......................................182
Switching on ........................................182System limitations ...............................181
Cup holderRear passenger compartment ..............11 5
Cup holder inthe center consoleInstalling/removing (automatictransmission) .......................................115
Customer Assistance Center (CAC).........27
CustomerRelations Department.............27
D
Dashboardsee Cockpit
Dashboard lightingsee Instrument cluster lighting
Data acquisitionVehicle .................................................. 28
Data import/export................................ 269Function/notes ................................... 269Importing/exporting ...........................270
DatastorageElectronic control units .........................28Online services ...................................... 29
500Index

DYNAMICBODYCONTROLSuspension ..........................................19 6
Dynamic handling control system
see ESP®(ElectronicStability Program)
DYNAMIC SELECT....................................15 3Configuring drive program I .................15 3Displaying engine data ........................154Displayingvehicle data ........................154Drive program display ..........................15 3Drive programs ....................................15 3Function ..............................................15 3Operating (DYNAMIC SELECT switch).............................................................153Selectingthe drive program ................153Showing operationfeedback ...............15 3
E
E10............................................................ 426
Easy entryfeatureFunction/notes ....................................101Setting .................................................102
EasyexitfeatureFunction/notes ....................................101Setting .................................................102
EASY-PACKtrunk box...............................11 2Adjustingthe heighttoany position .....110Care .................................................... 365Installing/removing ..............................11 2
EBD (electronic brakeforce distribu‐tion)Function/notes ....................................175
ECO displayFunction ..............................................15 2Resetting ............................................. 233
ECOstart/stop function.........................15 0Automatic enginestart ........................15 0Automatic enginestop .........................150Method of operation ............................150Switching off/on .................................15 2
Electric parking brake.............................168Applying automatically ........................16 8Applying orreleasing manually ............16 9Emergency braking ..............................16 9Releasing automatically .......................168
ElectronicStability Program
see ESP®(ElectronicStability Program)
EmergencyFirst-aid kit (softsided) ....................... 369
Overview ofthe help functions ..............18Reflective safetyvest.......................... 368Removingthewarning triangle ............ 369Setting upthewarning triangle ...........369
Emergency braking.................................16 9
Emergency brakingseeBAS (Brake AssistSystem)
Emergency call systemsee Mercedes-Benz emergency call system
Emergency enginestart......................... 386
EmergencykeyLocking a door .......................................72Unlocking a door ...................................72
Emergency operation modeStartingthevehicle .............................14 5
EmergencyreleaseTrunk lid (from inside) ............................78
EmergencyTensioning DevicesActivation .............................................. 34
ENERGIZING comfortOverview of programs .........................275Startingthe program ...........................276
506Index

EngineECOstart/stop function ......................150Engine number ....................................423Starting (emergency operationmode) ..................................................14 5Starting (RemoteOnline) .....................147Starting (start/stop button) .................145Starting assistance ..............................379Switching off (start/stop button) .........161
Engine dataDisplaying ............................................154
Engine number........................................ 423
Engine oil.................................................355Additives .............................................427Capacity .............................................. 428Checkingthe oil level usingthe oildipstick ............................................... 354Checkingthe oil level usingthe on-board computer ................................... 355MB-Freigabe or MB-Approval ...............428Quality ................................................. 428Topping up ...........................................355
EnteringcharactersFunction/notes .................................... 261
ESC (ElectronicStability Control)
see ESP®(ElectronicStability Program)
ESP®
Crosswind Assist .................................175
ESP®(ElectronicStability Program).......172Activating/deactivating .......................175Function/notes ....................................172
Exterior lightingCare .................................................... 364
Exterior lightingsee Lights
Exterior mirrors...............................134,13 5Anti-glaremode (automatic) ................135Automatic mirrorfolding function ........13 6Folding in/out .....................................134Operatingthe memory function ..........102Parking position ...................................135Setting .................................................13 4
External deviceLocking (child safety lock) ...................269
Eyeglasses compartment.......................106
F
Fatigue detectionseeATTENTION ASSIST
FavoritesAdding .................................................259Calling up ............................................ 259Deleting ............................................... 260Moving ................................................ 259Overview ............................................. 258Renaming ............................................ 259
FenderseeFront wheel arch
First-aid kit (soft sided).......................... 369
FlaconInserting/removing .............................14 2
Flat tire.....................................................370Changing a wheel .................................41 5MOExtended tires ................................370Notes ...................................................370TIREFIT kit ............................................371
FlattowingseeTow-bar system
Floor mats................................................12 0
Index507

Foil coveringRadar sensors ......................................171
FragranceseePerfume atomizer
Free software.............................................31
FrequenciesTwo-wayradio ...................................... 422
Frequency bandDialing (on-board computer) ................ 235
Front airbag (driver, front passenger).....40
Front passenger seatsee Seat
Front wheel arch.....................................12 9Installing/removingthe cover .............129
Front wheel archcoverInstalling/removing .............................12 9
Fuel...........................................................427Additives .............................................427E10 ...................................................... 426Fuelreserve......................................... 427Gasoline .............................................. 426Quality (gasoline) ................................ 426Refueling .............................................15 9
sulfur content ...................................... 426Tank content ....................................... 427
Fuel consumptionOn-board computer .............................232
Function seatsee Door control panel
Fuses........................................................ 386Beforereplacing a fuse ........................ 386Dashboard fuse box ............................ 388Fuse assignment diagram ...................386Fuse box inthe engine compartment .. 387Fuse box inthe front-passengerfoot‐well ...................................................... 388Fuse box inthe trunk ........................... 388Notes .................................................. 386
FusesseeFuses
G
Garage door openerClearingthe memory ...........................16 6Opening or closingthe door ................166Programming buttons ..........................16 3Radio equipment approval numbers ....16 6
Resolving problems .............................16 5Synchronizingtherolling code .............164
Gasstation searchStarting automatic search................... 281Switching automatic search on/off ..... 287Using automatic search....................... 287
Gasoline................................................... 426
Gearshiftrecommendation....................157
Genuine parts............................................21
Glide mode...............................................157
GloveboxLocking/unlocking ..............................105
H
Handbrakesee Electric parking brake
Handlingcharacteristics (unusual)....... 390
HANDS-FREEACCESS................................76
Hazardwarning lights.............................125
HeadrestraintFront (adjusting mechanically) .............. 96Rear (installing/removing) .....................97
508Index

Rear passenger compartment(adjusting) .............................................97
Head-up Display...................................... 237Adjusting display elements (on-boardcomputer) ............................................ 237Adjustingthe brightness (on-boardcomputer) ............................................ 237Function .............................................. 237Menu (on-board computer) .................. 237Settingthe position (on-board com‐puter) .................................................. 237Switching on/off ................................. 238
Headliner (care)....................................... 365
Heatingsee Climate control
High beamSwitching on/off .................................124
High-beam flasher...................................124
High-beam headlampsAdaptive Highbeam Assist ...................125Replacing bulbs ...................................130
Hillstart assist........................................19 5
HOLD function.........................................19 5Function/notes ...................................19 5Switching on/off .................................19 5
HoodOpening/closing ................................. 352
Hookingthe luggage net........................109
HotspotSetting up (Wi-Fi) ................................. 267
I
Identification plateEngine .................................................423Refrigerant .......................................... 430Vehicle ................................................ 423
IgnitionSwitching on (Start/Stop button) ........14 4
Ignitionkeysee SmartKey
Immobilizer................................................ 88
Indicator lampsseeWarning/indicator lamps
Individual drive programConfiguring ..........................................15 3
Selecting .............................................15 3
Insiderearview mirrorsee Exterior mirrors
Inspectionsee ASSYSTPLUS
Instrument clustersee Instrument Display
Instrument cluster lighting.................... 231
Instrument Display................................. 226Adjustingthe lighting ........................... 231Function/notes ................................... 226Instrument cluster .................................10Settingthe additionalvaluerange ....... 229Warning/indicator lamps .....................479
Intelligent Light SystemAdaptive Highbeam Assist ...................125Cornering light function .......................12 5
Interior lighting........................................127Ambient lighting ..................................12 8Reading light ........................................127Setting .................................................127Switch-off delaytime ...........................12 8
Index509