belt MERCEDES-BENZ C CLASS 2019 Service Manual

R"C", "D", "E": a loadrangethat depends onthe maximum loadthatthe tire can carryat acertain pressure
Definition oftermsfor tires and loading
Tirestructureandcharacteristics:describesthe number of layersorthe number ofrubber-coated belts inthe tire contact surface andthetirewall. These are made ofsteel,nylon, poly‐ester andother materials.
Bar:metric unitfor tire pressure.14.5038 pounds per squareinch (psi) and100 kilopascal (kPa) isthe equivalent of one bar.
DOT (Department ofTransportation):DOT-marked tires fulfilltherequirements oftheUS Department ofTransportation.
Averageweight ofthevehicle occupants:thenumber ofvehicle occupantsfor whichthevehi‐cle is designed, multipliedby150 lb (68kg).
UniformTireQuality GradingStandards:auniformstandardtogradethequality of tireswithregardtotreadquality,tire traction andtemperaturecharacteristics. Thequalitygrading
assessment is madebythe manufacturerfollow‐ing specifications fromtheU.S. government. Thequality grade of a tire is imprinted onthe sidewall ofthe tire.
Recommended tire pressure:therecommen‐ded tire pressure isthe tire pressure specifiedforthe tires mountedtothevehicle atthefac‐tory.
The tire and informationtable containstherec‐ommended tire pressuresfor cold tires,the max‐imum permissible load andthe maximum per‐missiblevehicle speed.
The tire pressuretable containstherecommen‐ded tire pressuresfor cold tires undervariousoperating conditions, i.e. loading and/or speedofthevehicle.
Increasedvehicleweight duetooptionalequipment:the combinedweight of allstandardand optional equipmentavailableforthevehicle,regardless of whether it is actually installed onthevehicle or not.
Rim:the part ofthe wheel on whichthe tire isinstalled.
GAWR (Gross AxleWeightRating):the GAWRisthe maximum permissible axle load. Theactual load on an axle must neverexceedthegross axleweightrating. The gross axleweightrating can befound onthevehicle identificationplate onthe B‑pillar onthe driver's side.
Speedrating:the speedrating is partofthe tireidentification. It specifiesthe speedrangeforwhich a tire is approved.
GVW (GrossVehicleWeight):the grossvehicleweight comprisestheweight ofthevehicleincluding fuel,tools,the spare wheel, accesso‐ries installed, occupants, luggage andthe trailerdrawbar noseweight, if applicable. The grossvehicleweight must notexceedthe grossvehicleweightratingGVWR as specified onthevehicleidentification plate onthe B‑pillar onthe driver'sside.
GVWR (GrossVehicleWeightRating):theGVWR isthe maximum permitted grossweightofthe fully ladenvehicle (weight ofthevehicleincluding all accessories, occupants, fuel, lug‐gageandthe trailer drawbar noseweight if appli‐cable). The grossvehicleweightrating is speci‐
Wheels and tires409

Warning/indicator lampPossible causes/consequences andPPSolutions
Restraint systemwarninglamp\nWARNINGRisk of injuryorfatal injury duetoa malfunction intherestraint system
Iftherestraint system is malfunctioning,restraint system components may be triggered unintentionally or might notbe triggered at all intheevent of an accident. This may affectthe EmergencyTensioning Device or airbag,forexam‐ple.
Havetherestraint systemchecked andrepaired immediately at aqualified specialistworkshop.
Drive on carefully.
Observethe messages onthe multifunction display.
Visit aqualified specialistworkshop immediately.
Seat belts
Warning/indicator lampPossible causes/consequences andPPSolutions
v
Seat beltwarning lamplights up
Thered seat beltwarning lamp will light upfor six seconds oncethe engine hasstarted.
In addition, awarningtone may sound.
The seat beltwarning lampremindsthe driver and front passengertofastentheir seat belts.
Fastenyour seat belt (page 38).
Ifyou haveplaced objects onthe front passenger seat,the seat beltwarning lamp mayremain lit.
Display messages andwarning/indicator lamps485

Warning/indicator lampPossible causes/consequences andPPSolutions
v
Seat beltwarning lampflashes
Thered seat beltwarning lampflashes and an intermittentwarningtone sounds.
The driver or front passenger has notfastenedtheir seat belt whilethevehicle is in motion.
Fastenyour seat belt(page 38).There are objects onthe front passenger seat.
Removethe objects fromthe front passenger seat.
Driving systems
Warning/indicator lampPossible causes/consequences andPPSolutions

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

Calls.......................................................... 308Accepting ............................................ 308Activating functions during a call ........ 308Calls withseveral participants .............308Declining ............................................. 308Ending a call ........................................ 308Incoming call during anexisting call .... 309Making ................................................ 308Viatheoverhead control panel(Mercedes me connect) .......................319
Camerasee 360° CameraseeRear view camera
Carkeysee SmartKey
Carwashsee Care
Carwash (care)....................................... 359
Care..........................................................365Air-water duct ...................................... 358Automatic carwash ............................. 359Carpet .................................................365Decorativefoil .....................................362Display................................................ 365
EASY-PACK trunk box .......................... 365Exterior lighting ................................... 364Headliner ............................................. 365Mattefinish ......................................... 361Paintwork............................................ 361Plastic trim .......................................... 365Powerwasher ...................................... 359Realwood/trim elements ...................365Rear view camera ................................ 364Seat belts ............................................ 365Seat cover ........................................... 365Sensors ............................................... 364Tailpipes .............................................. 364Washingbyhand ................................. 360Wheels/rims ....................................... 364Windows.............................................. 364Wiper blades .......................................364
Cargo tie-downrings...............................109
Carpet (Care)...........................................365
Change of address....................................23
Change ofownership................................ 23
Changing a wheelPreparation ..........................................41 5Raisingthevehicle ...............................416
Changing bulbs........................................12 8Notes ...................................................12 8Overview .............................................12 9Reversing lights ...................................131Turnsignal lights (rear) ........................131
Changinggears........................................15 6Manually ..............................................156
Changing hub caps..................................416
Character entryOnthetouchpad .................................263Usingthe controller ............................. 262
ChargingBattery (vehicle) ..................................379
Child safety lockActivating/deactivating (multimediasystem) ............................................... 269Rear door ...............................................61Rear side windows................................. 62
Child seatAttaching (notes) ................................... 53Basic instructions ..................................48front-passenger seat (notes) ................. 59LATCH-type (ISOFIX) (installing) ............54Notes onrisks and dangers ...................49
498Index

Securing onthe front passenger seat ....60Securing ontherear seat ...................... 58TopTether ..............................................56
ChildrenAvoiding dangers inthevehicle .............49Basic instructions .................................. 48Special seat beltretractor .....................54
Chock........................................................414Storage location ...................................414
Chocksee Chock
CigarettelighterFront center console ............................117
Cleaningsee Care
Climate control........................................13 83-zone automatic climatecontrolpanel ...................................................13 8Activating/deactivating .......................139Activating/deactivatingthe A/Cfunction (control panel) .......................139Activating/deactivatingthe A/Cfunction (multimedia system) ..............13 9
Activating/deactivatingthe synchro‐nization function (control panel) ..........14 0Activating/deactivatingthe synchro‐nization function (multimedia sys‐tem) .....................................................141Air distribution settings .......................140Air-recirculation mode .........................141Automatic control ................................14 0Climatestyle function ..........................14 0Control panelfor dual-zone auto‐matic climatecontrol ...........................13 8Defrostingthe windshield ....................13 8Filling capacityforPAG oil ...................431Front airvents .....................................14 3Inserting/removingtheflacon (fra‐grance system) ....................................14 2Ionization .............................................141Note....................................................13 8Rear airvents ......................................14 3Rear operating unit ..............................13 8Refrigerant .......................................... 430Refrigerantfilling capacity ...................431Removing condensation fromthewindows...............................................141Residual heat .......................................141
Settingrear climate control (multi‐media system) .....................................140Settingthe air distribution ...................138Settingthe airflow...............................13 8Settingthe climatestyle ......................140Settingthe fragrance system ...............141Settingthetemperature ......................138Switchingtherear windowdefrosteron/off .................................................138Ventilatingthevehicle (convenienceopening) ................................................81
ClimatestyleFunction ..............................................14 0Setting .................................................14 0
Cockpit.........................................................6Overview .................................................6
Coffee cup symbolseeATTENTION ASSIST
COMANDsee Multimedia system
COMANDTouchManaging devices ................................ 268
Combination switch................................124
Index499

O
Occupant safetyPets inthevehicle ................................. 62
Occupant safetysee AirbagseeAutomatic front passenger frontairbag shutoff
see PRE-SAFE®(anticipatory occu‐pant protection)
see PRE-SAFE®PLUS (anticipatoryoccupant protection plus)seeRestraint systemsee Seat belt
OdometerseeTotal distance
Oilsee Engine oil
On-board computer................................. 228Assistance graphic menu ..................... 231Displayingthe service due date ........... 351Head-up Display menu ........................ 237Media menu ........................................235Menu designs ...................................... 229Menuoverview .................................... 228
Multifunction display ...........................230Navigation system menu ..................... 233Operating ............................................ 228Radio menu .........................................235Service menu ...................................... 231Telephone menu .................................. 236Trip menu ............................................ 232
On-boarddiagnostics interfacesee Diagnostics connection
Open-source software...............................31
Openingthe trunk lid usingyourfootHANDS-FREEACCESS ...........................76
OperatingfluidsAdditives (fuel) .................................... 427Brakefluid ...........................................428Coolant (engine) .................................. 429Engine oil ............................................. 427Fuel (gasoline) .....................................426Notes .................................................. 425Refrigerant (air conditioning system) ... 430Windshieldwasherfluid ...................... 429
Operating safetyDeclaration of conformity (wirelessvehicle components) ............................. 25
Information ............................................24
Operating systemsee On-board computer
Operator's ManualVehicle equipment ................................. 22
Operator's Manual (digital)......................20
Overhead control panelMaking calls (Mercedes me connect) ..319Overview ................................................14
P
Paint code................................................ 423
Paintwork (cleaning instructions).......... 361
Panic alarm................................................ 65Activating/deactivating ......................... 65
Panoramic sliding sunroofsee Sliding sunroof
ParkpositionInserting ..............................................15 5Selecting automatically.......................15 5
Parkingsee Electric parking brake
Index515

Notes .................................................. 288Off-road ............................................... 292Toan off-road destination .................... 291
Route-based speed adaptationDisplays inthe Instrument Display ......19 3Function ..............................................188
Route-based speed adjustmentSetting .................................................189
Run-flatcharacteristicsMOExtended tires ................................370
S
Safety systemssee Driving safety system
Satellite map............................................ 301
SatelliteradioActivating/deactivatingTuneStart....... 348Adding achanneltoSmartFavorites ... 348Deleting achannel ...............................347Displaying EPG information .................347Displaying service information ............ 349Information .......................................... 345Information about SmartFavoritesandTuneStart...................................... 348
Logging in ............................................ 345Moving achannel ................................ 347Music and sport alerts function ...........347Overview ............................................. 346Pause and playback function ...............348Restrictions ......................................... 345Selecting a category............................ 347Selecting achannel .............................347Setting music and sportalerts ............ 347Settingthe parental control ................. 347Storing achannel ................................ 347Switching on .......................................345
SD cardInserting/removing .............................331
Seat............................................... 90,91,1064-waylumbar support ...........................95Adjusting (electrically) ...........................95Adjusting (manually and electrically).........................................................91, 93Backrest (rear) locking ........................108Configuringthe settings ........................97Correct driver's seat position ................ 90Foldingthe backrest (rear passengercompartment) back .............................107Foldingthe backrest (rear)forwards ....106
Massage programoverview ...................98Operatingthe memory function ..........102Resettingthe settings ............................98Setting options ......................................16Workout programoverview .................... 98
Seat belt.....................................................36Centerrear seat (releasing) ...................38Protection ..............................................36
Seat belt adjustmentActivating/deactivating ......................... 39Function ................................................ 39
Seat beltwarningsee Seat belts
Seat belts...................................................39Activating/deactivating seat beltadjustment ............................................ 39Adjustingthe height .............................. 38Care ....................................................365Fastening ............................................... 38Reduced protection ...............................37Releasing ...............................................39Seat belt adjustment (function) ............. 39Warning lamp ........................................ 39
Seat cover (Care).....................................365
Index519

Smartphonesee AndroidAutosee Apple CarPlay™see Mercedes-Benz LinkseeTelephone
Snowchains............................................. 391
Socket (12 V)............................................11 8Front center console ............................118Front passengerfootwell ......................11 8Rear passenger compartment ..............11 8
Software update......................................272Important system updates ...................273Information ..........................................272Performing ...........................................273
Sound
PRE-SAFE®Sound .................................47Wheels and tires ..................................390
Sound
see Burmester®surround sound systemsee Sound settings
Sound settings........................................349Adjustingthe balance/fader ............... 349
Adjusting treble, mid-range and basssettings ............................................... 349Automaticvolume adjustment .............349Calls upthe sound menu ..................... 349Information .......................................... 349
Special seat beltretractor........................54
Specialistworkshop..................................26
Speech dialog systemseeVoice Control System
Speed index (tires)..................................406
SpeedometerDigital .................................................. 232
Standby modeActivating/deactivating .......................170Function ..............................................17 0
Standing lights........................................12 2
Start/Stop buttonParkingthevehicle ...............................161Startingthevehicle .............................14 5Switching onthe power supply orignition ................................................14 4
Start/stop functionsee ECOstart/stop function
Starting assistancesee Jump-startconnection
Startingthe engineseeVehicle
Starting-offaidsee Hillstart assist
StationDeleting ............................................... 344Direct frequency entry ........................ 344Moving ................................................ 344Searching ............................................ 344Setting .................................................344Storing ................................................ 344
Station listCalling up ............................................ 344
Station presetsEditing ................................................. 344Modifying ............................................ 344
STEER CONTROLFunction/notes ....................................175
Steering wheel.........................................227Adjusting (electrically) .........................101Adjusting (manually) ............................100
Index521