2019 MERCEDES-BENZ C CLASS brakes

Traction:traction isthe gripresulting from fric‐tion betweenthe tires andtheroad surface.
Wear indicator:narrowbars (treadwear bars)that are distributedoverthe tire contact surface.Ifthe tire tread is level withthe bars,thewearlimit of 1/16in (1.6 mm) has beenreached.
Distribution ofvehicle occupants:distributionofvehicle occupantsover designated seat posi‐tions in avehicle.
Maximum permissible payloadweight:nomi‐nal load and luggage load plus150 lb (68kg)multipliedbythe number of seats inthevehicle.
Changing a wheel
Notes on selecting, installing andreplacingtires
Mercedes-AMGvehicles:observethe notes inthe Supplement. Otherwise,you may notrecog‐nize dangers.
You can askfor informationregarding permittedwheel/tire combinations at an authorizedMercedes-Benz Center.
\nWARNINGRisk of accident duetoincor‐rect dimensions of wheels and tires
If wheels and tires ofthe wrong size areinstalled,the wheel brakes or wheel suspen‐sion components may be damaged.
Alwaysreplace wheels and tires withthosethat fulfillthe specifications ofthe original part.
Whenreplacing wheels, make suretofitthecorrect:
RDesignation
RModel
Whenreplacing tires, make suretoinstallthecorrect:
RDesignation
RManufacturer
RModel
\nWARNINGRisk of injurythroughexceed‐ingthe specified tire loadrating orthepermissible speedrating
Exceedingthe specified tire loadrating orthe permissible speedrating may leadtotiredamageandtothe tires bursting.
Therefore, only use tire types and sizesapprovedforyourvehicle model.
Observethe tire loadrating and speedratingrequiredforyourvehicle.
NOTEVehicle and tire damagethroughtire types and sizesthat havenot beenapproved
For safetyreasons, onlyuse tires, wheelsand accessories which havebeen speciallyapprovedbyMercedes-Benzforyourvehicle.
These tires are specially adaptedtothe con‐
trol systems, such as ABS, ESP®and4MATIC, and marked asfollows:
RMO = Mercedes-Benz Original
Wheels and tires411

Notes onrotating wheels
\nWARNINGRisk of injurythrough differ‐ent wheel sizes
Interchangingthe front andrear wheels ifthewheels or tires havedifferent dimensionsmay severely impairthe drivingcharacteris‐tics.
The wheel brakes or wheel suspension com‐ponents may also be damaged.
Rotatefront andrear wheels onlyifthewheels and tires are ofthe same dimen‐sions.
Thewear patterns onthe front andrear wheelsdiffer:
RFront wheelswear more onthe shoulder ofthe tire
RRear wheelswear more inthe center ofthetire
Onvehiclesthat havethe same size front andrear wheels,rotatethe wheels accordingtotheintervals inthe tire manufacturer'swarranty
book inyourvehicle documents. Ifthis is notavailable,rotatethe tiresevery3,000to6,000 miles (5,000to10,000 km),depending onthewear. Ensurethatthe directionofrotation is maintained.
It is imperativetoobservethe instructions andsafety notes on "Changing a wheel" when doingso Preparingthevehiclefor a wheelchange(page415).
Notes onstoring wheels
Whenstoring wheels, observethefollowingnotes:
RAfterremoving wheels,storethem in a cool,dry and preferably dark place.
RProtectthe tires from contact withoil, greaseor fuel.
Overview ofthe tire-changetool kit
Mercedes-AMGvehicles:observethe notes inthe Supplement. Otherwise,you mayfailtorec‐ognize dangers.
Apartfrom some country-specificvariants,vehi‐cles are not equipped with a tire-changetool kit.For more information on whichtire-changetoolsarerequired and approvedfor performing awheelchange onyourvehicle, consult aqualifiedspecialistworkshop.
Yourequirethefollowingtools,for instance,tochange a wheel:
RJack
RChock
RLug wrench
RAlignment bolt
The tire-changetool kit is located underthetrunkfloor.
414Wheels and tires

NOTEEngine damagecausedbyanincorrect oilfilter, incorrect oil or addi‐tives
Do not use engine oils or oilfiltersotherthanthose which meetthe specifica‐tions necessaryforthe prescribedservice intervals.
Do not alterthe engine oil or oilfilter inordertoachievelongerchange intervalsthan prescribed.
Do not use additives.
Havethe engine oilchanged aftertheprescribed intervals.
Mercedes-Benzrecommendsthatyou havetheoilchange carried out at aqualified specialistworkshop.
Further information on engine oil and oilfilters isavailable atthefollowing locations:
RInthe Mercedes-Benz SpecificationsforOperating Fluidsbyenteringthe designation:
-Athttp://bevo.mercedes-benz.com
-Inthe Mercedes-Benz BeVo app
Rat aqualified specialistworkshop
Quality and capacity of engine oil
MB-Freigabe or MB-Approval
Gasoline engine MB-Freigabe or MB-Approval
All models229.51,229.52,229.61,229.71
Thefollowingvaluesrefertoan oilchange,includingthe oilfilter.
Replacement amount
ModelReplacementamount
C 3007.0 US qt (6.6 liters)
C 300 4MATIC 6.3 US qt (6.0 liters)
Notes on brakefluid
Observethe notes on operatingfluids(page 425).
\nWARNINGRisk of an accident duetovapor pocketsforming inthe brake sys‐tem
The brakefluid constantly absorbs moisturefromthe air. This lowersthe boiling point ofthe brakefluid. Ifthe boiling point istoo low,vapor pockets mayforminthe brake systemwhenthe brakes are applied hard.
This causesthe braking effecttobeimpaired.
Havethe brakefluidrenewed atthespecified intervals.
Havethe brakefluidregularlyreplaced at aqualified specialistworkshop.Only use brakefluid approvedbyMercedes-BenzaccordingtoMB-Freigabe or MB-Approval 331.0.
You can obtain further information on brakefluidinthefollowing places:
Rinthe Mercedes-Benz SpecificationsforOperating Fluids
-at http://bevo.mercedes-benz.com
-inthe Mercedes-Benz BeVo App
428Technical data

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

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

Parking aidseeParking AssistPARKTRONIC
Parking AssistPARKTRONIC.................. 200Activating ............................................ 202Adjustingwarningtones ...................... 203Function .............................................. 200Side impact protection ........................ 201Switching off ....................................... 202System limitations ...............................200
Parking assistance systemsseeActiveParking Assist
Parking brakesee Electric parking brake
Parkingfor anextended period..............16 9
Parking lights...........................................122
Parking positionExterior mirrors...................................13 5Storingthe position ofthe front-passenger outside mirror usingreversegear .........................................136
PASSENGER AIRBAGstatus displayseeAutomatic front passenger frontairbag shutoff
PayloadCalculationexample ............................ 401Determiningthe maximum .................. 400
PerfumeseePerfume atomizer
Perfume atomizer....................................14 2Inserting/removingtheflacon .............142Setting .................................................141
Perfume vialseePerfume atomizer
Permittedtowing methods.....................381
Personalizationsee User profile
Pets in thevehicle.....................................62
Phone booksee Contacts
PictureformatsseeVideo mode
Picture settingsseeVideo mode
PIN protectionActivating/deactivating .......................270
Plastic trim (Care)................................... 365
Playback optionsSelecting ............................................. 333
POISelecting ............................................. 280
POI symbolsSelecting ............................................. 298
Power supplySwitching on (Start/Stop button) ........14 4
Powerwasher (care)...............................359
Power windowssee Side windows
PRE-SAFE®(anticipatory occupantprotection).................................................47Function ................................................47
PRE-SAFE®Sound .................................47Reversing measures .............................. 48
PRE-SAFE®PLUS (anticipatoryoccu‐pant protection plus)................................ 48Function ................................................ 48Reversing measures .............................. 48
516Index

Activating/deactivating full-screenmode ................................................... 336Overview .............................................335Settings ............................................... 336
VIN............................................................ 423Identification plate.............................. 423Seat ..................................................... 423Windshield ........................................... 423
VisionRemoving condensation fromthewindows...............................................141
Voice command types (Voice ControlSystem)....................................................24 0
Voice Control System.............................239Application specificvoice commands.............................................................240Audible help functions .........................241Globalvoice commands ......................24 0Improving speechquality .....................241Languagesetting ..................................241Media playervoice commands ............24 8Messagevoice commands .................. 250Multifunctionsteering wheel (operat‐ing) ...................................................... 239
Navigationvoice commands ................24 3Operable functions ..............................24 0Operating safety .................................. 239Radiovoice commands ........................247Switchvoice commands ......................241Telephonevoice controls .....................246Text messagevoice commands ...........250Types ofvoice commands ...................240Vehiclevoice commands .....................251Voice prompting ..................................24 0
Voice control systemseeVoice Control System
W
Warning lampsseeWarning/indicator lamps
Warning systemseeATA (anti-theft alarm system)
Warning triangleRemoving ............................................ 369Setting up ............................................ 369
Warning/indicator lamp
%ABSwarning lamp .......................481
'Brakewarning lamp (USA) ...........480
MBrakeswarning lamp (Canada) .... 480