2019 MERCEDES-BENZ C CLASS headlamp

Lights
Display messagesPossible causes/consequences andPPSolutions
I
Intell. Light System Inoper-ative
*The Intelligent Light System is defective. The lighting system continuestofunction properly withoutthe functions ofthe Intelligent Light System.
Visit aqualified specialistworkshop.
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Check Left LowBeam(Example)
*The corresponding light source is defective.
Drive on carefully.
Visit aqualified specialistworkshop immediately.
or
Check whetheryou are permittedtoreplacethe light sourceyourself (page129).
LED light bulbs:the display messageforthe corresponding lamp appearsonly when allthe light-emitting diodesinthe lamp havefailed.
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Active Headlamps Inopera-tive
*The active headlamps are defective.
Visit aqualified specialistworkshop.
476Displaymessages andwarning/indicator lamps

Display messagesPossible causes/consequences andPPSolutions
I
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

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

Active Blind Spot Asst. NotAvailable
WhenTowing aTrailer See Opera‐
tor's Manual........................................448
Active Brake AssistFunctions Cur‐
rently Limited See Operator's Man‐
ual.......................................................447
Active Brake AssistFunctions Limi‐
ted See Operator's Manual.................445
Active Distance AssistCurrently
Unavailable See Operator's Manual.....456
Active Distance AssistInoperative......456
Active Distance AssistNowAvailable
.............................................................456
IActive Headlamps Inoperative.....476
Active LaneKeeping Assist Camera
ViewRestricted See Operator's Man‐
ual....................................................... 456
Active LaneKeeping Assist Currently
Unavailable See Operator's Manual.....451
Active LaneKeeping Assist Inopera‐
tive...................................................... 452
ActiveParking Assist and
PARKTRONIC InoperativeSee Opera‐
tor's Manual........................................ 450
ActiveSteering Assist Currently
Unavailable See Operator's Manual.....450
ActiveSteering Assist Inoperative.......449
Adaptive Highbeam Assist Camera
ViewRestricted See Operator's Man‐
ual.......................................................478
Adaptive Highbeam Assist Currently
Unavailable See Operator's Manual.....478
Adaptive Highbeam Assist Inopera‐
tive......................................................477
ApplyBraketoShift from 'P'............... 464

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
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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

Language.................................................269Notes .................................................. 269Setting .................................................269
LATCH-type (ISOFIX)child seat secur‐ing systemInstalling ................................................54
Level control systemsee AIRMATIC
Light switchOverview .............................................122
Lightingsee Interior lightingsee Lights
Lights........................................................12 2Adaptive Highbeam Assist ...................125Adjustingthe instrument lighting ......... 231Automatic driving lights .......................12 3Changing bulbs ....................................12 8Combination switch.............................124Cornering light function .......................12 5Hazardwarning lights ..........................12 5Headlamprange ..................................12 3High beam ...........................................124High-beamflasher ...............................124
Light switch .........................................122Low-beam headlamps ..........................12 2Parking lights .......................................122Rearfog lamp ......................................12 2Responsibilityfor lighting systems .......122Settingtheexterior lighting switch-off delay time .......................................127Settingthe surround lighting ...............127Standing lights .....................................122Turnsignals .........................................124
LimitedWarrantyVehicle ...................................................27
LiveTraffic InformationDisplaying subscription information .... 294Displayingthe traffic map ...................294Displaying traffic incidents .................. 295Extending a subscription ..................... 294Issuing hazard alerts ........................... 295
Load index (tires).................................... 406
Load-bearing capacity (tires)................. 406
Loading.....................................................109Bag hook .............................................109Cargo tie-downrings ...........................109Definitions ...........................................409
Notes ...................................................104Roof carrier ..........................................11 3Stowage space underthe trunkfloor ...11 3
Loading guidelines..................................104
Loading information table...................... 399
LoadsSecuring ..............................................104
Locator lightingsee Surround lighting
Locking/unlockingActivating/deactivatingthe auto‐matic lockingfeature .............................71Emergencykey ......................................72KEYLESS-GO .......................................... 70Unlocking and opening doors fromthe inside ..............................................69
Low-beam headlampsReplacing bulbs ...................................130Switching on/off .................................12 2
Lubricant additivesseeAdditives
LuggageLuggage net .........................................109
Index511

RemoteOnlineChargingthe battery ............................146Cooling or heatingthevehicle inte‐rior .......................................................146Startingthevehicle ..............................147
Replacing a bulbsee Changing bulbs
Replacing bulbsHigh-beam headlamps .........................13 0Installing/removing cover (frontwheel arch) ..........................................12 9Low-beam headlamps .........................130Opening/closingthe side trim pan‐els .......................................................130Turnsignal light (front) ........................13 0
Reporting malfunctionsrelevanttosafety..........................................................27
Rescue card............................................... 28
ReserveFuel ..................................................... 427
Reset function (multimedia system)......274
Residual heat...........................................141
Restoring (factory settings)seeReset function (multimedia system)
Restraint system.......................................33Basic instructionsforchildren ...............48Function in an accident ......................... 34Functionality .......................................... 34Malfunction ........................................... 34Protection ..............................................33Reduced protection ...............................33Self-test ................................................. 34Warning lamp ........................................ 34
ReversegearInserting ..............................................15 5
Reversing lights (changing bulbs)..........131
Rims (Care).............................................. 364
Roadside Assistance................................. 23
Roadside Assistance callsee Mercedes me connect
Rollawayprotectionsee HOLD function
Roller sunblind...........................................78Rear window.......................................... 79Side windows........................................78
Roof carrierAttaching .............................................113Loading ................................................11 3
Roof load.................................................. 432
Route................................................ 284, 286Activating a commuterroute ...............286Calculating .......................................... 284Displaying destination information ...... 286Planning ...............................................281Selecting a type .................................. 285Selecting an alternativeroute .............286Selecting notifications ......................... 286Selecting options ................................ 285Startingthe automatic servicesta‐tion search.......................................... 287Switchingthe automaticgasstationsearchon/off ...................................... 287Using automaticgasstation search..... 287Withintermediate destinations ...........282
Route guidance....................................... 288Canceling ............................................. 291Changing direction .............................. 288Destinationreached ............................ 290From an off-road location .................... 292Lanerecommendations ....................... 289
518Index