lock MERCEDES-BENZ C CLASS 2019 Manual Online

Securethevehicle on allfour wheels afterloading.
4MATICvehicles/vehicles with automatictransmission
Make surethatthe front andrear axles cometorestonthe same transportationvehicle.
NOTEDamagetothe drivetrain duetoincorrect positioning
Do not positionthevehicle abovetheconnection point ofthe transportvehi‐cle.
Towingeyestoragelocation
Towingeye1is located inthestowage spaceunderthe trunkfloor.
Installingthetowingeye
Pressthe mark on cover1inwards andremove.
Screwinthetowingeyeclockwise asfar as itwill go and tighten.
Make surethat cover1engages inthebumper whenyouremovethetowingeye.
Breakdown assistance385

RAll electrical consumers are switched off
RThe ignition is switched off
The electrical fuses are located invarious fuseboxes:
RFuse box inthe engine compartment onthedriver's side (page 387)
RFuse box onthe driver's side ofthe cockpit(page 388)
RFuse box inthe front passengerfootwell(page 388)
RFuse box inthe trunk ontheright-hand sideofthevehicle when viewed inthe direction oftravel (page 388)
Opening and closingthe fuse box intheengine compartment
Requirements:RA dry clothand a screwdriver areavailable.
Observethe notes on electrical fuses(page 386).
Opens
\nWARNINGRisk of injuryfrom usingthewindshield wipers whilethe engine hoodis open
Whenthe engine hood is open andthe wind‐shield wipers are set in motion,you can betrappedbythe wiper linkage.
Always switch offthe windshield wipersand ignition before openingthe enginehood.
Turnclip2on cover1aquarter-turncounter-clockwise.
Fold cover1up inthe direction ofthearrow.
Breakdown assistance387

Removing and installing hub caps
Requirements:RThevehicle is preparedfor a wheelchange(page415).
Plastic hub cap
Toremove:turnthe center cover ofthe hubcap counter-clockwise andremovethe hubcap.
Toinstall:make surethatthe center cover ofthe hub cap is turned counter-clockwise.
Positionthe hub cap and turnthe centercover clockwise untilthe hub cap engagesphysically and audibly.
Aluminum hub cap
Toremove:position socket2on hub cap1.
The socket can befound inthe tire-changetool kit.
Position wheel wrench3on socket2.
Using wheel wrench3, turn hub cap1counter-clockwise andremoveit.
Toinstall:position hub cap1and turn untilit is completelyflush withthe wheel.
Position socket2on hub cap1.
Attachwheel wrench3tosocket2andtightenthe hub cap clockwise.Specified tighteningtorque:18lb-ft(25 Nm).
Raisingthevehicle whenchanging a wheel
Requirements:RThere are no persons inthevehicle.
RThevehicle has been preparedfor a wheelchange (page415).
RThe hub caps havebeenremoved(page416).
Important notes on usingthe jack:
RUse onlythevehicle-specific jackthat hasbeentested and approvedbyMercedes-Benztoraisethevehicle.
RThe jack is only designedforraising andholdingthevehiclefor a short time while awheel is beingchanged and notfor mainte‐nanceworkunderthevehicle.
416Wheels and tires

tically underthe jacking point ofthevehicle.
NOTEVehicle damage fromthe jack
Ifyou do not positionthe jack correctly atthe appropriate jack support point ofthevehicle,the jack could tipover withthevehi‐cleraised.
The jack is designedexclusivelyforjacking upthevehicle atthe jack sup‐port points.
Position jack2at jack support point1.
Turncrank3clockwise until jack2sitscompletely on jack support point1andthebase ofthe jack liesevenly onthe ground.
Turncrank3untilthe tire israised a maxi‐mum of1.2 in (3 cm) fromthe ground.
Loosen andremovethe wheel(page418).
Removing a wheel
Requirements:RThevehicle israised (page416).
Mercedes-AMGvehicles:observethe notes inthe Supplement. Otherwise,you may notrecog‐nize dangers.
Whenchanging a wheel,avoid applying anyforcetothe brake discs, sincethis could impairthelevel of comfortwhen braking.
NOTEDamagetothreading from dirt onwheel bolts
Do not place wheel bolts in sand or ona dirty surface.
Unscrewthe uppermost wheel bolt com‐pletely.
41 8Wheels and tires

Pressthe wheelfirmlyagainstthewheel hub when screwing onthefirstwheel bolt.
Tightenthe wheel boltsevenly in a diagonalpattern inthe order indicated untiltheyarefinger-tight.
Unscrewthe alignment bolt.
Tightenthe last wheel bolt until it isfinger-tight.
Lowerthevehicle (page 420).
Loweringthevehicle after a wheelchange
Requirements:RThe new wheel has been installed(page419).
Tolower thevehicle:turnthe crank ofthejack counter-clockwise untilthevehicle isonce againstandingfirmlyonthe ground.
Tightenthe wheel boltsevenly in a diagonalpattern inthe order indicated (1to5).Specified tighteningtorque:96 lb-ft(130 Nm).
\nWARNINGRisk of injurythrough incor‐rect tighteningtorque
The wheelscould come loose ifthe wheelbolts or wheel nuts are not tightenedtotheprescribed tighteningtorque.
Makesurethe wheel bolts or wheelnuts are tightenedtothe prescribedtighteningtorque.
Ifyou are not sure, do not movethevehicle. Consult aqualified specialistworkshop and havethe tighteningtor‐quechecked immediately.
Checkthe tire pressure ofthe newly moun‐ted wheel and adjust accordingly.
Vehicles with tire pressure losswarningsystem:Restartthe tire pressure losswarn‐ing system (page 398).
Vehicles with a tire pressure monitoringsystem:Restartthe tire pressure monitoringsystem (page 397).
Make suretoobservethefollowing furtherrela‐ted subject:
RNotes on tire pressure (page 392)
420Wheels and tires

\nWARNING‑ Risk offireand injury fromwindshieldwasher concentrate
Windshieldwasher concentrate is highlyflammable. It could ignite if it comes intocontact withhot engine component parts ortheexhaust system.
Make surethat no windshieldwasherconcentrate spills out nexttothefilleropening.
NOTEDamagetotheexterior lightingduetounsuitable windshieldwasherfluid
Unsuitable windshieldwasherfluid may dam‐agethe plastic surface oftheexterior light‐ing.
Only use windshieldwasherfluid whichis also suitablefor use on plastic surfa‐ces, e.g. MB SummerFit or MBWinter‐Fit.
NOTEBlocked spraynozzles causedbymixing windshieldwasherfluids
Do not mix MB SummerFit and MBWin‐terFit withother windshieldwasherflu‐ids.
Do not use distilled or de-ionizedwater asthefilllevel sensor may be triggered erroneously.
Recommended windshieldwasherfluid:
RAbovefreezing point: e.g. MB SummerFit
RBelow freezing point: e.g. MBWinterFit
Forthe correct mixingratio,refertothe informa‐tion onthe antifreeze container.
Mixthewasherfluid withthe windshieldwasherfluid allyearround.
Refrigerant
Notes onrefrigerantsObservethe notes on operatingfluids(page 425).
NOTEDamageduetoincorrectrefriger‐ant
If a non-approvedrefrigerant is used,the cli‐mate control system may be damaged.
Only usetherefrigerant R‑134a
NOTEDamagetothe climate controlsystem duetoincorrectrefrigerant com‐pressor oil
Only userefrigerant compressor oilthathas been approvedbyMercedes-Benz.
Do not mixthe approvedrefrigerantcompressor oil with a differentrefriger‐ant compressor oil.
Workonthe climate control system may be car‐ried out onlybyaqualified specialistworkshop.All applicableregulations, aswell asSAEstand‐ard J639, must be adheredto.
The instruction label onthe climate control sys‐temfortherefrigerant type andtherefrigerantcompressor oil is located onthe inside ofthehood.
430Technical data

Warning/indicator lampPossible causes/consequences andPPSolutions
\nWARNINGRisk of an accident duetolow brakefluid level
Ifthe brakefluid level istoo low,the braking effect andthe brakingcharacteristics may be impaired.
Pullover andstopthevehicle safely as soon as possible, paying attentiontoroad and traffic conditions. Donot continue driving under any circumstances.
Consult aqualified specialistworkshop.
Do not add brakefluid.
Pullover andstopthevehicle safely as soon as possible, paying attentiontoroad and traffic conditions. Do notcontinue driving under any circumstances.
Observethe messages onthe multifunction display.
Consult aqualified specialistworkshop.
%
ABSwarning lamp
Theyellow ABSwarning lamp is lit whilethe engine isrunning.
ABS is malfunctioning.
Ifthere is an additionalwarningtone, EBD is malfunctioning.
Other driving systems and driving safety systems may also malfunction.
\nWARNINGThereisrisk of skidding if EBD or ABS is malfunctioning
If EBD or ABS is malfunctioning,the wheels could lock when braking
Display messages andwarning/indicator lamps481

1,2, 3 ...
4MATIC.....................................................15 9Function ..............................................15 9
12V batterysee Battery (vehicle)
12V socketsee Socket (12 V)
360° Camera........................................... 206Function .............................................. 206Openingthe camera cover (rear viewcamera) ...............................................209Selecting a view .................................. 209Settingfavorites ..................................209
A
A/C functionActivating/deactivating (multimediasystem) ................................................13 9Switching on/off (control panel) .........13 9
ABS (Anti-lock Braking System).............171
Accelerationsee Kickdown
Accident and breakdown manage‐mentMercedes me connect .........................320
Acoustic lockingverification signalActivating/deactivating ......................... 65
Activating/deactivating automaticvolume adjustment
Burmester®surround sound system ... 350
Active Blind Spot Assist..........................219Brake application ................................. 220Function ...............................................219Switching on/off ................................. 222System limitations ...............................219
Active Brake AssistFunction/notes ....................................175Setting .................................................181
Active Distance Assist DISTRONIC........183Active EmergencyStop Assist .............193Active Lane Change Assist...................191Calling up a speed ...............................185Displays inthe Instrument Display ......19 3Function ..............................................183Increasing/decreasing speed ..............185Requirements ......................................185
Route-based speed adaptation ............188Steering wheel buttons ........................185Storing a speed ...................................185Switching off/deactivating ..................185Switching on/activating ......................185System limitations ...............................183
Active EmergencyStop Assist...............193
Active Lane Change Assist......................191Activating/deactivating .......................193Function ...............................................191
Active LaneKeeping Assist.................... 222Activating/deactivating .......................224Activating/deactivatingthewarning ...225Function .............................................. 222Settingthe sensitivity .......................... 225System limitations ...............................222
ActiveParking Assist.............................. 209CrossTraffic Alert ................................215DriveAwayAssist................................214Exiting a parking space ........................212Function .............................................. 209Maneuvering assistance ......................215Parking .................................................211System limitations ...............................209
Index493

Overview ............................................... 40PASSENGER AIRBAG indicator lamp .....44Protection ..............................................41Side airbag ............................................ 40Window curtain airbag ...........................40
AirflowSetting .................................................138
AIRMATIC..................................................197Setting .................................................19 8Suspension ..........................................197
AlarmseePanic alarm
Alarm systemseeATA (anti-theft alarm system)
All-wheel drivesee 4MATIC
AlternativerouteseeRoute
Ambient lightingSetting (multimedia system) ................128
AndroidAuto............................................316Connecting a mobile phone .................317Ending ..................................................318
Information ..........................................317Overview ..............................................316Sound settings .....................................317Transferredvehicle data ......................318
AnimalsPets inthevehicle ................................. 62
Anti-lock braking systemsee ABS (Anti-lock Braking System)
Anti-skidchainssee Snowchains
Anti-theft alarmsystemseeATA (anti-theft alarm system)
Anti-theft protectionImmobilizer ............................................ 88
Anti-theft protectionseeATA (anti-theft alarm system)
Anticipatory occupant protection
see PRE-SAFE®(anticipatory occu‐pant protection)
see PRE-SAFE®PLUS (anticipatoryoccupant protection plus)
Apple CarPlay™........................................315
Connecting an iPhone®........................315
Ending ..................................................316Notes ...................................................315Overview ..............................................315Sound settings .....................................316Transferredvehicle data ......................318
AshtrayFront center console ............................116Rear passenger compartment ..............11 7Using ....................................................11 6
Assistance systemssee Driving safety system
Assistant displayMenu (on-board computer) .................. 231
ASSYST PLUS........................................... 351Battery disconnection periods .............352Displayingthe service due date ........... 351Function/notes .................................... 351Regular maintenancework.................. 351Special servicerequirements .............. 351
ATA(anti-theft alarmsystem).................. 88Deactivatingthe alarm .......................... 89Function ................................................ 88
ATTENTION ASSIST..........................215,217Function ...............................................215
Index495

Beltsee Seat belt
Blind Spot Assist......................................219Function ...............................................219Switching on/off ................................. 222System limitations ...............................219
Blowersee Climatecontrol
Bluetooth®............................................... 265Activating/deactivating .......................265Information .......................................... 265
Bluetooth®audioActivating .............................................341De-authorizing (de-registering)thedevice .................................................. 341Information .......................................... 339Overview .............................................339Searchingfor a track ........................... 341Searchingfor and authorizingthedevice .................................................. 340Selecting a media player ...................... 341Switching device via NFC ..................... 341
Brake Assist SystemseeBAS (Brake AssistSystem)
BrakefluidNotes .................................................. 428
Brakeforce distributionEBD (electronic brakeforce distribu‐tion) .....................................................175
BrakesABS (Anti-lock Braking System) ...........171Active Brake Assist..............................175BAS (Brake AssistSystem) ...................172Driving tips ..........................................14 8EBD (electronic brakeforce distribu‐tion) .....................................................175HOLD function .....................................195Limited braking effect (salt-treatedroads) ..................................................14 8New/replaced brakepads/brakediscs ....................................................147Notes on breaking-in a newvehicle .....147
Braking assistanceseeBAS (Brake AssistSystem)
BreakdownChanging a wheel .................................41 5Overview ofthe help functions ..............18Roadside Assistance ............................. 23
Tow-starting ........................................ 386Towingaway........................................ 382Transportingthevehicle ......................384
Breakdownsee Flat tire
Burmester®surround sound system.....349Adjustingthe balance/fader ............... 350Adjustingthe soundfocus ................... 350Adjusting treble, mid-range and basssettings ............................................... 350Automaticvolume adjustment .............350Calling upthe sound menu .................. 349Information .......................................... 349Switchingthe surround sound on/off.............................................................350
ButtonsSteering wheel .....................................227
C
Call listMaking a call ........................................312Overview ..............................................312
Calling upthe sound menu
Burmester®surround sound system ... 349
Index497