sensor MERCEDES-BENZ C CLASS 2019 Owner's Guide

Display messagesPossible causes/consequences andPPSolutions
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Wheel Sensor(s) Missing
*The tire pressure sensor signal is missing from one or more tire(s). The pressure ofthe affected tire is not dis‐played.
Havethe defective tire pressure sensorreplaced at aqualified specialistworkshop.
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Tire Pressure Monitor Inop-erative No Wheel Sensors
*The wheels installed do not havesuitable tire pressure sensors. The tire pressure monitoring system is deactivated.
Install wheels with suitable tire pressure sensors.
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Tire Press. Monitor Inopera-tive
*The tire pressure monitoring system is defective.
\nWARNINGThereis arisk of an accident ifthe tire pressure monitoring system is malfunctioning
Ifthe tire pressure monitoring system is malfunctioning, it is not abletoissue awarning ifthere is pressure lossin one or more ofthe tires.
Underinflated tires may,forexample, impairthe driving,steering and brakingcharacteristics.
Havethe tire pressure monitoring systemchecked at aqualified specialistworkshop.
Visit aqualified specialistworkshop.
Tires Overheated*At least one tire isoverheating. The affected tires are displayed inred.Attemperatures closetothe limitvalue,thetires are displayed inyellow.
Displaymessages andwarning/indicator lamps469

Display messagesPossible causes/consequences andPPSolutions
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Switch Off Lights
*You are leavingthevehicle andthe lights arestill switched on.
Turnthe light switchtotheXposition.
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Malfunction See Opera-tor’s Manual
*Theexterior lighting is defective.
Visit aqualified specialistworkshop.
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Switch On Headlamps
*You are driving without low-beam headlamps.
Turnthe light switchtotheXorXposition.
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Automatic Headlamp ModeInoperative
*The light sensor isfaulty.
Consult aqualified specialistworkshop.
*Adaptive Highbeam Assist is malfunctioning.
Display messages andwarning/indicator lamps477

Calls.......................................................... 308Accepting ............................................ 308Activating functions during a call ........ 308Calls withseveral participants .............308Declining ............................................. 308Ending a call ........................................ 308Incoming call during anexisting call .... 309Making ................................................ 308Viatheoverhead control panel(Mercedes me connect) .......................319
Camerasee 360° CameraseeRear view camera
Carkeysee SmartKey
Carwashsee Care
Carwash (care)....................................... 359
Care..........................................................365Air-water duct ...................................... 358Automatic carwash ............................. 359Carpet .................................................365Decorativefoil .....................................362Display................................................ 365
EASY-PACK trunk box .......................... 365Exterior lighting ................................... 364Headliner ............................................. 365Mattefinish ......................................... 361Paintwork............................................ 361Plastic trim .......................................... 365Powerwasher ...................................... 359Realwood/trim elements ...................365Rear view camera ................................ 364Seat belts ............................................ 365Seat cover ........................................... 365Sensors ............................................... 364Tailpipes .............................................. 364Washingbyhand ................................. 360Wheels/rims ....................................... 364Windows.............................................. 364Wiper blades .......................................364
Cargo tie-downrings...............................109
Carpet (Care)...........................................365
Change of address....................................23
Change ofownership................................ 23
Changing a wheelPreparation ..........................................41 5Raisingthevehicle ...............................416
Changing bulbs........................................12 8Notes ...................................................12 8Overview .............................................12 9Reversing lights ...................................131Turnsignal lights (rear) ........................131
Changinggears........................................15 6Manually ..............................................156
Changing hub caps..................................416
Character entryOnthetouchpad .................................263Usingthe controller ............................. 262
ChargingBattery (vehicle) ..................................379
Child safety lockActivating/deactivating (multimediasystem) ............................................... 269Rear door ...............................................61Rear side windows................................. 62
Child seatAttaching (notes) ................................... 53Basic instructions ..................................48front-passenger seat (notes) ................. 59LATCH-type (ISOFIX) (installing) ............54Notes onrisks and dangers ...................49
498Index

wWarningTireMalfunction............ 467
wWheel Sensor(s) Missing.............469
Display onthe windshieldsee Head-up Display
Distance controlseeActive Distance AssistDISTRONIC
DistancerecorderseeTrip distance
DISTRONICseeActive Distance AssistDISTRONIC
DoorChild safety lock(rear door) ...................61Locking (emergencykey) .......................72Opening (fromthe inside) ......................69Unlocking (emergencykey) ....................72Unlocking (fromthe inside) ...................69
Door control panel.....................................16
DOT,TireIdentificationNumber (TIN)... 404
DrawbarseeTow-bar system
Drinking and driving................................14 8
DriveAway Assist....................................214
Drive positionInserting ..............................................15 6
Drive program display.............................15 3
Drive programsseeDYNAMIC SELECT
Driver's seatsee Seat
Driving lightsseeAutomatic driving lights
Driving safety system.............................170ABS (Anti-lock Braking System) ...........171Active Brake Assist..............................175BAS (Brake AssistSystem) ...................172EBD (electronic brakeforce distribu‐tion) .....................................................175
ESP®Crosswind Assist........................175Overview ..............................................171Radar sensors ......................................171Responsibility ......................................17 0STEER CONTROL .................................175
Driving systemDYNAMICBODYCONTROL ..................19 6
Driving systemsee 360° CameraseeActive Blind Spot AssistseeActive Distance AssistDISTRONICseeActive EmergencyStop AssistseeActive Lane Change AssistseeActive LaneKeeping AssistseeActiveParking AssistseeActive Speed Limit AssistseeActiveSteering Assistsee AIRMATICseeATTENTION ASSISTsee Blind Spot Assistsee Cruise controlsee Driving safety systemsee HOLD functionseeParking AssistPARKTRONICseeRear view cameraseeTraffic Sign Assist
Driving tipsDrinking and driving ............................14 8General driving tips .............................148Notes on breaking-in a newvehicle .....147
Drowsiness detectionseeATTENTION ASSIST
Index505

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

Preventative occupant protection sys‐tem
see PRE-SAFE®(anticipatory occu‐pant protection)
Previous destinationsSelecting .............................................280
ProgramsseeDYNAMIC SELECT
Protectingthe environmentNotes .....................................................21
Q
QR codeRescue card .......................................... 28
Qualified specialistworkshop................. 26
R
Radar sensorsFoil covering ........................................171
RadioActivating/deactivatingradiotext ....... 345Calling upthestation list .....................344Deletingchannels ................................ 344
Direct frequency entry........................ 344Displaying information ......................... 345Displayingradiotext ............................ 345Editingstation presets ........................ 344Menu (on-board computer) .................. 235Movingstations ...................................344Overview ............................................. 343Searchingforstations .........................344Setting achannel ................................ 344Settingthewaveband .......................... 344Storingradiostations .......................... 344Switching on .......................................342Switchingthe HDradio functionon/off .................................................344Voice commands (Voice Control Sys‐tem) .....................................................247
RadiostationsDialing (on-boardcomputer) ................235
Rain closing functionSliding sunroof ...................................... 86
RangeDisplaying ............................................ 232
Reading lightsee Interior lighting
Realwood (Care).....................................365
Rear climate controlSetting .................................................14 0
Rear door (child safety lock).....................61
Rearfog lampSwitching on/off .................................123
Rear seatsee Seat
Rear view camera....................................204Care.................................................... 364Function .............................................. 204Openingthe camera cover (360°Camera) ..............................................209Settingfavorites (360° Camera) ......... 209
Rear windowRoller sunblind ...................................... 79
Rear window defroster...........................138
Reflective safetyvest............................. 368
Refrigerant (air conditioning system)Notes .................................................. 430
RefuelingRefuelingthevehicle ...........................15 9
Index517

Seat heatingActivating/deactivating ......................... 98
SeatventilationSwitching on/off................................... 99
Secondtelephone...................................305Connecting .......................................... 305Features .............................................. 305
Selecting agearsee Changinggears
Selector leversee DIRECT SELECT lever
Self-testAutomatic front passenger front air‐bag shutoff ............................................44
Sensors (Care)......................................... 364
Service centersee Qualified specialistworkshop
Service interval displaysee ASSYSTPLUS
Servicestation searchStarting automatic search................... 287
Setting a speedsee Cruise control
Setting summer time.............................. 264
Setting the dateformat.......................... 265
Settingthe distance unit........................ 269
Settingthe map scalesee Map
Shift paddlesseeSteering wheel paddle shifters
ShiftinggearsGearshiftrecommendation ..................157
Short messagesseeText messages
Side airbag.................................................40
Side impact protection...........................201
Side windows............................................. 80Child safety lockintherearpassenger compartment .......................62Closing .................................................. 80Closing usingthe SmartKey................... 82Convenience closingfeature .................82Convenience opening ............................81Opening .................................................80Opening withthe SmartKey...................81Problem .................................................82
Roller sunblind .......................................78
Size designation (tires)........................... 406
Sliding sunroof.......................................... 83Automatic functions .............................. 86Closing .................................................. 83Closing usingthe SmartKey................... 82Opening ................................................. 83Opening with the SmartKey...................81Problem .................................................86Rain closing function .............................86
SmartKey...................................................64Acoustic lockingverification signal ....... 65Battery .................................................. 66Energy consumption .............................. 65Features ................................................64Keyring attachment .............................. 66Mechanicalkey ...................................... 66Overview ...............................................64Panic alarm ........................................... 65Problem .................................................67Unlocking setting .................................. 65
SmartKey functionsDeactivating .......................................... 65
520Index