2019 MERCEDES-BENZ C CLASS cooling

Make surethat marked space2is empty.
RemoveSmartKey1fromthekeyring.
Place SmartKey1in marked space2onthe symbol3.Thevehicle willstart after a short time.
IfyouremoveSmartKey1from markedspace2the engine continuesrunning.Forfurther enginestarts however,SmartKey1
must be located in marked space2on sym‐bol3duringthe entire journey.
Havethe SmartKey1checked at aqualifiedspecialistworkshop.
Ifthevehicle does notstart:
Place SmartKey1in marked space2andleaveitthere.
Depressthe brake pedal andstartthevehicleusingthestart/stop button.
You can also switchonthe power supplyorthe ignition withthestart/stop button.
Startingthevehicle viaRemoteOnline serv‐ices
Cooling or heatingthevehicle interior beforecommencingyour journey
This function is notavailable in all countries.
Ifyoustartthevehicle viayour smartphone,thepreviously selected air conditioning adjustmentis active.
Ensurethefollowing beforestartingthe engine:
RThe legalstipulations inthe area whereyourvehicle is parked allow enginestarting viasmartphone.
RIt is safetostart andrunthe engine whereyourvehicle is parked.
RThe fueltank is sufficientlyfilled.
RThestarter battery is sufficientlycharged.
You can also setthetemperature withyoursmartphone. Information on Mercedes meconnect andother services: http://www.mercedes.meThis function is notavailablefor all models.
Chargingthe batterybefore commencingyour journey
This function is notavailable in all countries.
RIfthevehicle battery is discharged,youreceivea message onyour smartphone.
RYou canthenstartthevehicle withthesmartphonetochargethe battery.
RThevehicle is automatically switched offafterten minutes.
14 6Driving and parking

ENERGIZING comfort programoverviewProgramoverview
ProgramFunction
RefreshCan maketargetedchangestothe interior climatetorefreshvehicle occupants. Cooling airflowand ioniza‐tion purifythe air. Thevehicle interior is illuminated with cool colors andthe seats areventilated.
WarmthCan increasethe comfort level ofthe occupants. Thevehicle's panel, seat andsteering wheel heater pro‐duce a cozywarmth. The air is purified using ionization and a pleasant fragrance isreleased. Thevehicleinterior is illuminated withwarmlighting.
VitalityCan counteractfatigue in monotonous driving situations.Fast-paced music and a vitalizing massagepro‐vide invigoratingstimulationforthevehicle occupants. The air is purified using ionization and a pleasantfragrance isreleased. Thevehicle interior is illuminated in astimulating hue andthe seat isventilated.
PleasureCan promotea positive mood inthe occupants. Moderatelyfastmusic is played and a massage program isactivated. The air is purified using ionization and a pleasant fragrance isreleased. Thevehicle interior isilluminated with amicable lighting.
Well beingCan aidthe physical and mentalrelaxation of occupants. A back massage combined with localwarmthpro‐viderelaxation. The air is purified using ionization and a pleasant fragrance isreleased. The music playerplaysselections of calming music andthevehicle interior is illuminated with pleasant lighting.
TrainingCan counteractthe onset of muscletension, limbsfalling asleep orstress withtargetedrelaxation orstim‐ulationexercises. Theexercises are demonstrated in short videos. The air is purified using ionization and apleasant fragrance isreleased. Thevehicle interior is illuminated with lighting appropriatetotheexercise.
Multimedia system275

Checking coolant level
\nWARNINGRisk of burns from hot com‐ponent parts inthe engine compartment
Certain components inthe engine compart‐ment can beveryhot, e.g.the engine,theradiator and parts oftheexhaust system.
Allowthe enginetocool down and onlytouch component parts described inthefollowing.
\nWARNINGDanger of burns when open‐ingthe hood
Ifyou openthe hood whenthe engine hasoverheated or during afireinthe enginecompartment,you could come into contactwith hotgases orother escaping operatingfluids.
Before openingthe hood, allowtheenginetocool down.
Intheevent of afireinthe engine com‐partment,keepthe hood closed andcallthefireservice.
\nWARNINGRisk of scalding from hotcoolant
The engine cooling system is pressurized,particularly whenthe engine iswarm. Ifyouopenthe cap,you could be scaldedbyhotcoolant spraying out.
Letthe engine cool down before open‐ingthe cap.
When openingthe cap,wear protectivegloves and safetyglasses.
Openthe cap slowlytorelease pres‐sure.
Parkthevehicle on a level surface.
Checkthe coolanttemperature display intheinstrument cluster.The coolanttemperature must be below158 °F (70 °C).
Slowly turn cap1counter-clockwisetorelieve overpressure.
Maintenance and care357

Rat aqualified specialistworkshop
Coolant
Notes on coolantObservethe notes on operatingfluids(page 425).
\nWARNING‑ Risk offireand injury fromantifreeze
If antifreeze comes into contact withhotcomponent parts inthe engine compart‐ment, it may ignite.
Allowthe enginetocool down beforeadding antifreeze.
Makesurethat no antifreeze spills outnexttothefiller opening.
Thoroughly clean off any antifreezefrom component parts beforestartingthevehicle.
NOTEDamagecausedbyincorrect cool‐ant
Only add coolantthat has been pre‐mixed withtherequired antifreeze pro‐tection.
Information on coolant isavailable atthefol‐lowing locations:
RInthe Mercedes-Benz SpecificationforOperating Fluids310.1
-Athttp://bevo.mercedes-benz.com
-Inthe Mercedes-Benz BeVo app
RAtaqualified specialistworkshop
NOTEOverheating at high outsidetem‐peratures
If an inappropriate coolant is used,theengine cooling system is not sufficiently pro‐tected againstoverheating and corrosion athigh outsidetemperatures.
Always use coolant approvedbyMercedes-Benz.
Observethe instructions intheMercedes-Benz Specificationsfor Oper‐ating Fluids310.1.
Havethe coolantregularlyreplaced at aqualifiedspecialistworkshop.
The proportion of corrosion inhibitor/antifreezeconcentrate inthe engine cooling system shouldbe:
Ra minimum of 50% (antifreeze protectiondowntoapproximately -35 °F (-37 °C))
Ra maximum of 55% (antifreeze protectiondownto-49 °F (-45 °C))
Coolant capacity
ModelCapacity
All models9.1 US qt (8.6 liters)
Notes on windshieldwasher fluid
Observethe notes on operatingfluids(page 425).
Technical data429

Display messagesPossible causes/consequences andPPSolutions
Transmission MalfunctionStop
Pullover andstopthevehicle safely as soon as possible, paying attentiontoroad and traffic conditions.
Switchthe transmissiontoposition].
Consult aqualified specialistworkshop.
N Permanently Active Riskof Rolling Away
*Whilethevehicle isrolling or whileyou are driving,the transmission has been shiftedtoposition\\.
Depressthe brake pedaltostop and, whenthevehicle isstationary,shiftthe transmissiontoposition].
Tocontinueyour journey,shiftthe transmissiontoposition[or^.
Stop Vehicle Leave EngineRunning Wait TransmissionCooling
*The transmission isoverheating. Pullingawaymay betemporarily impaired or not possible.
Pullover andstopthevehicle safely as soon as possible, paying attentiontoroad and traffic conditions. Do notcontinue driving under any circumstances.
Leavethe enginerunning.
Wait untilthe display message disappears before pullingaway.
To Deselect P or N,Depress Brake and StartEngine
*You haveattemptedtoshiftthe transmission out of position]or\\into another transmission position.
Depressthe brake pedal.
Startthe engine.
Apply Brake to Shift from'P'
*You haveattemptedtoshiftthe transmission out of position]and into another transmission position.
Depressthe brake pedal.
Service Required Do NotShift Gears Visit Dealer
*The transmission is malfunctioning. The transmission position can no longer be shifted.
464Display messages andwarning/indicator lamps

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

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

Data acquisition .................................... 28Datastorage .......................................... 28Diagnostics connection .........................25Equipment ............................................. 22LimitedWarranty ...................................27Locking (automatically) ..........................71Locking (fromthe inside) ....................... 69Locking (KEYLESS-GO) .......................... 70Locking/unlocking (emergencykey) ......72Lowering ............................................. 420Maintenance ......................................... 23Parkingfor anextended period ............16 9Problem notification ..............................27QR coderescue card ............................. 28Qualified specialistworkshop ................26Raising .................................................416Standby mode function .......................170Starting (emergency operationmode) ..................................................14 5Starting (RemoteOnline) .....................147Starting (start/stop button) .................145Switching off (start/stop button) .........161Towing .................................................225Unlocking (fromthe inside) ...................69Unlocking (KEYLESS-GO) .......................70Ventilating (convenience opening) .........81
Voice commands (Voice Control Sys‐tem) ..................................................... 251
Vehicle dataDisplaying (DYNAMIC SELECT) ............154Roof load ............................................. 432TransferringtoAndroidAuto™ .............318TransferringtoApple CarPlay™ ...........318Turningradius ...................................... 431Vehicle height ...................................... 431Vehicle length ...................................... 431Vehicle width ....................................... 431Wheelbase ...........................................431
Vehicle datastorageEvent datarecorders .............................30Multimedia system/Mercedes meconnect .................................................30
Vehicle dimensions................................. 431
Vehicle electronicsNotes ................................................... 421Two-wayradios .................................... 421
Vehicle identification numbersee VIN
Vehicle identification plate.................... 423Paint code ...........................................423
VIN ...................................................... 423
Vehicle interiorCooling or heating (RemoteOnline) .....14 6
Vehiclekeysee SmartKey
Vehicle maintenancesee ASSYST PLUS
Vehicle operationOutsidethe USA or Canada ...................23
Vehicle positionSwitching transmission on/off ............ 265
Vehicletool kit.........................................371TIREFIT kit ............................................371Towingeye .......................................... 385
VentilatingConvenience opening ............................81
Ventilationsee Climate control
Ventssee Airvents
Video mode.............................................. 336Activating ............................................ 334
Index527