2019 MERCEDES-BENZ C CLASS airbag off

area when usingthe socket. Observethenotes on airbag protection when doingthis(page41).
Wirelesscharging ofthe mobile phone andconnection withtheexterior antenna
Notes on wirelesslychargingthe mobilephone
\nWARNINGRisk of injuryduetoobjectsbeingstowed incorrectly
If objects inthevehicle interior arestowedincorrectly,theycan slide or bethrownaround and hitvehicle occupants. In addi‐tion, cup holders, openstowage spaces andmobile phonereceptacles cannot alwaysretain all objectstheycontain.
Thereis arisk of injury,particularly intheevent of sudden braking or a suddenchangein direction.
Alwaysstowobjects sothattheycan‐not bethrown around in suchsitua‐tions.
Always make surethat objects do notprotrude fromstowage spaces, luggagenets orstowage nets.
Closethe lockablestowage spacesbeforestarting a journey.
Alwaysstowand secure heavy, hard,pointed, sharp-edged, fragile or bulkyobjects inthe trunk/load compartment.
Observethe notes on loadingthevehicle.
\nWARNINGRisk offirefrom placingobjects inthe mobile phonestowagecompartment
Ifyou place objects inthe mobile phonestowage compartment,theymay heat upexcessively andeven catchfire.
Do not place additional objects, espe‐ciallythose mode of metal, inthemobile phonestowage compartment.
NOTEDamagetoobjects causedbyplacingthem inthe mobile phonestow‐age compartment
If objects are placed inthe mobile phonestowage compartment,theymay be dam‐agedbyelectromagneticfields.
Do not place credit cards,storagemedia orother objects sensitivetoelectromagneticfields inthe mobilephonestowage compartment.
NOTEDamagetothe mobile phonestowage compartment causedbyliquids
If liquids enterthe mobile phonestowagecompartment,the compartment may bedamaged.
Ensurethat no liquids enterthe mobilephonestowage compartment.
RDepending onthevehicle equipment,themobile phone is connectedtothevehicle'sexterior antenna viathecharging module.
Seats andstowing11 9

Notes on cleaning and careAvoidingvehicle damage
Exterior lightingCleanthe lenses with awet sponge and mild cleaning agent,e.g. car shampoo.Only use cleaning agents or cleaning clothsthat are suitablefor plastic lenses.
SensorsCleanthe sensors inthe front andrear bumper and intheradiator grill with a soft clothand car shampoo.When using a powerwasher, maintain a minimum distance of11.8 in (30 cm).
Rear view cameraand360° CameraROpenthe camera cover withthe multimedia system(page 209) .
RUse cleanwater and a soft clothtocleanthe camera lens.
Do not use a powerwasher.
TailpipesClean with a cleaning agentrecommendedfor Mercedes-Benz, especiallyinthe winter and afterwashingthevehicle.Do not use acidic cleaning agents.
Notes on care ofthe interior
\nWARNINGRisk of injuryfrom plasticparts breaking off afterthe use of sol‐vent-based care products
Careand cleaning products containing sol‐vents can cause surfaces inthe cockpittobecome porous.
Whenthe airbags are deployed, plastic partsmay breakaway.
Do not use any care or cleaning prod‐ucts containing solventstocleanthecockpit.
\nWARNINGRisk of injuryor death frombleached seat belts
Bleaching or dyeing seat belts can severelyweakenthem.
This can,forexample, cause seat beltstotear orfail in an accident.
Never bleachor dye seat belts.
Maintenance and care365

Display messagesPossible causes/consequences andPPSolutions
\nWARNINGRisk of skidding if ESP®is malfunctioning
If ESP®is malfunctioning, ESP®cannot carryoutvehiclestabilization. In addition,other driving safety systemsare switched off.
Drive on carefully.
HaveESP®checked at aqualified specialistworkshop.
Drive on carefully.
Visit aqualified specialistworkshop immediately.
u
Left Side Curtain AirbagMalfunction ServiceRequired(Example)
*The corresponding window curtain airbag is malfunctioning (page 34).
\nWARNINGRisk of injuryorfatal injury duetomalfunctions inthe window airbag
Ifthe window airbag is malfunctioning, it might be triggered unintentionally or might not be triggered at all intheevent of an accident withhigh deceleration.
Havethe window airbagchecked andrepaired immediately at aqualified specialistworkshop.
Visit aqualified specialistworkshop immediately.
Front Passenger AirbagEnabled See Operator'sManual
*The front passenger airbag and knee airbags are enabled duringthe journey:
Reven when achild, a small adult or an objectweighing lessthanthe systemweightthreshold is located onthefront passenger seat
Displaymessages andwarning/indicator lamps443

Display messagesPossible causes/consequences andPPSolutions
Reven whenthe front passenger seat is not occupied
The system may detect objects orforcesthat are addingtotheweight appliedtothe seat.
\nWARNINGRisk of injuryorfatal injury when using achildrestraint system whilethe front passenger air bagis enabled
Ifyou secure achild in achildrestraint system onthe front passenger seat andthe front passenger air bag isenabled,the front passenger air bag can deploy intheevent of an accident.
Thechild could bestruckbythe air bag.
Ensure, bothbefore and duringthe journey,thatthestatus ofthe front passenger air bag is correct.
NEVER use arearwardfacingchildrestraint on a seat protectedbyanACTIVE FRONT AIRBAG; DEATH or SERI‐OUS INJURYtotheCHILD can occur.
Pullover andstopthevehicle safely as soon as possible, paying attentiontoroad and traffic conditions.
Checkthestatus ofthe automatic front passenger airbag shutoff (page44).
If necessary,consult aqualified specialistworkshop immediately.
Front Passenger Airbag Dis-abled See Operator's Man-ual
*The front passenger airbag andthe knee airbag are deactivated, although an adult or a person with an adultstatureis onthe front passenger seat. If additionalforces are appliedtothe seat,theweightthe system detects may betoo low.
444Displaymessages andwarning/indicator lamps

Display messagesPossible causes/consequences andPPSolutions
\nWARNINGRisk of injuryorfatal injury duetoa disabled front passenger airbag
Ifthe front passenger airbag is disabled,the front passenger airbag will not be deployed intheevent of an acci‐dent and cannotperformits intended protective function.
A person inthe front passenger seat couldthen,forexample, come into contact with thevehicle's interior,especially ifthe person is sittingtoo closetothe cockpit.
Make sure, bothbefore and duringthe journey,thatthestatus ofthe front passenger airbag is correct.
Pullover andstopthevehicle safely as soon as possible, paying attentiontoroad and traffic conditions.
Checkthestatus ofthe automatic front passenger airbag shutoff (page44).
If necessary,consult aqualified specialistworkshop immediately.
Active Brake Assist Func-tions Limited See Opera-tor's Manual
*Vehicles with Driving AssistancePackage:Active Brake Assistwith cross-traffic function, EvasiveSteering
Assist or PRE‑SAFE®PLUS is malfunctioning.
Vehicles without Driving AssistancePackage:Active Brake Assistis malfunctioning.
Visit aqualified specialistworkshop.
PRE-SAFE Inoperative SeeOperator's Manual
*PRE‑SAFE®functions are malfunctioning.
Visit aqualified specialistworkshop.
Mercedes me connectServices Limited See Oper-ator's Manual
*Service limited.
Atleast one ofthe main functions ofthe Mercedes me connect system is malfunctioning.
Display messages andwarning/indicator lamps445

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

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