tires MERCEDES-BENZ C CLASS 2019 Workshop Manual

Display messagesPossible causes/consequences andPPSolutions
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Warning Tire Malfunction
*The tire pressure in one or more tires has dropped suddenly. The wheel position is displayed.
\nWARNINGRisk of an accident from driving withaflat tire
Flat tires are dangerous inthefollowingways:
RThe tires canoverheat and cause afire.
RThe drivingcharacteristics, aswell assteering and braking, may be greatly impaired.
You couldthen lose control ofthevehicle.
Do not drive with aflat tire.
Observethe notes onflat tires.
Notes onflat tires (page370).
Stopthevehicle, paying attentiontoroad and traffic conditions.
Checkthe tires.
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Check Tires
*The tire pressure in one or more tires has dropped significantly.The wheel position is displayed.
\nWARNINGRisk of an accident duetoinsufficient tire pressure
Tirepressuresthat aretoo low posethefollowing hazards:
RThe tires may burst, especially asthe load andvehicle speed increase.
Display messages andwarning/indicator lamps467

Display messagesPossible causes/consequences andPPSolutions
RThe tires maywearexcessively and/or unevenly, which may greatly impair tire traction.
RThe drivingcharacteristics, aswell assteering and braking, may be greatly impaired.
You couldthen lose control ofthevehicle.
Observetherecommended tire pressure.
Adjustthe tire pressure if necessary.
Stopthevehicle, paying attentiontoroad and traffic conditions.
Checkthe tire pressure (page 392) andthe tires.
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Please Correct Tire Pres-sure
*The tire pressure istoo low in at least one ofthe tires, orthe tire pressure difference betweenthe wheels istoogreat.
Checkthe tire pressure and add air, if necessary.
Whenthe tire pressure is correct,restartthe tire pressure monitoring system (page 397).
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Tire Press. Monitor Cur-rently Unavailable
*There is interference from a powerfulradio signal source. As aresult, no signals fromthe tire pressure sensor arereceived. The tire pressure monitoring system istemporarily unavailable.
Drive on.The tire pressure monitoring systemrestarts automatically as soon asthe cause has beenrectified.
468Display messages andwarning/indicator lamps

Display messagesPossible causes/consequences andPPSolutions
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Wheel Sensor(s) Missing
*The tire pressure sensor signal is missing from one or more tire(s). The pressure ofthe affected tire is not dis‐played.
Havethe defective tire pressure sensorreplaced at aqualified specialistworkshop.
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Tire Pressure Monitor Inop-erative No Wheel Sensors
*The wheels installed do not havesuitable tire pressure sensors. The tire pressure monitoring system is deactivated.
Install wheels with suitable tire pressure sensors.
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Tire Press. Monitor Inopera-tive
*The tire pressure monitoring system is defective.
\nWARNINGThereis arisk of an accident ifthe tire pressure monitoring system is malfunctioning
Ifthe tire pressure monitoring system is malfunctioning, it is not abletoissue awarning ifthere is pressure lossin one or more ofthe tires.
Underinflated tires may,forexample, impairthe driving,steering and brakingcharacteristics.
Havethe tire pressure monitoring systemchecked at aqualified specialistworkshop.
Visit aqualified specialistworkshop.
Tires Overheated*At least one tire isoverheating. The affected tires are displayed inred.Attemperatures closetothe limitvalue,thetires are displayed inyellow.
Displaymessages andwarning/indicator lamps469

Display messagesPossible causes/consequences andPPSolutions
Drive more slowly.
Decrease Speed*At least one tire isoverheating. The affected tires are displayed inred.Attemperatures closetothe limitvalue,thetires are displayed inyellow.
\nWARNINGRisk of an accident from driving withoverheated tires
Overheated tires may burst, particularly at high speeds.
Reduce speed sothatthe tires cool down.
Reduce speed sothatthe tires cool down.
Check Tire Pressure ThenRestart Run Flat Indicator
*Canada only:
The tire pressure losswarning systemgenerated a displaymessageand has not beenrestarted since.
Whenthe tire pressure is correct,restartthe tire pressure losswarning system (page 398).
Run Flat Indicator Inopera-tive
*Canada only:
The tire pressure losswarning system is malfunctioning.
Visit aqualified specialistworkshop.
47 0Displaymessages andwarning/indicator lamps

Tires
Warning/indicator lampPossible causes/consequences andPPSolutions
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Tirepressure monitoringsystemwarning lamp lightsup
Theyellow tire pressure monitoring systemwarning lamp (pressure loss/malfunction) is lit.
The tire pressure monitoring system has detected tire pressure loss in at least one ofthe tires.
\nWARNINGRisk of an accident duetoinsufficient tire pressure
Tirepressuresthat aretoo low posethefollowing hazards:
RThe tires may burst, especially asthe load andvehicle speed increase.
RThe tires maywearexcessively and/or unevenly,which may greatly impair tire traction.
RThe drivingcharacteristics, aswell assteering and braking, may be greatly impaired.
You couldthen lose control ofthevehicle.
Observetherecommended tire pressure.
Adjustthe tire pressure if necessary.
Stopthevehicle, paying attentiontoroad and traffic conditions.
Checkthe tire pressure andthe tires.
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Theyellow tire pressure monitoring systemwarning lamp (pressure loss/malfunction)flashesfor approximatelyoneminute andthenremains lit.
The tire pressuremonitoring system is defective.
490Display messages andwarning/indicator lamps

Warning/indicator lampPossible causes/consequences andPPSolutions
Tirepressure monitoringsystemwarning lampflashes
\nWARNINGThereis arisk of an accident ifthe tire pressure monitoring system is malfunctioning
Ifthe tire pressure monitoring system is malfunctioning, it is not abletoissue awarning ifthere is pressure loss inone or more ofthe tires.
Underinflated tires may,forexample, impairthe driving,steering and brakingcharacteristics.
Havethe tire pressure monitoring systemchecked at aqualified specialistworkshop.
Visit aqualified specialistworkshop.
Vehicle
Warning/indicator lampPossible causes/consequences andPPSolutions

Vehicle .................................................. 28
DateSettingthe time and date automati‐cally ..................................................... 264
Daytimerunning lamp modesee Daytimerunning lights
Daytimerunning lights...........................127Switching on/off .................................127
Deactivating the alarm(ATA).................... 89
Dealershipsee Qualified specialistworkshop
Declaration of conformityWirelessvehicle components ................25
Decorativefoil (cleaning instructions)...................................................................362
Definitions (tires and loading)............... 409
DesignsMenu (on-board computer) .................. 229
Destination..............................................292Editing intermediate destinations ........281Editingthe previous destinations ........ 292External ...............................................293
Saving (currentvehicle position) ......... 292Saving asglobalfavorite...................... 292Storing a map position ........................ 292
Destination entry....................................277Entering 3wordaddresses .................. 283Entering a POI or address ....................277Entering an intermediatedestination ...281Enteringgeo-coordinates .................... 282Selecting a contact ............................. 282Selecting a POI .................................... 280Selecting fromthe map ....................... 283Selecting previous destinations ...........280
Detecting inattentivenessseeATTENTION ASSIST
Diagnostics connection............................25
Digital Operator's Manual........................ 20
Digital speedometer............................... 232
DinghytowingseeTow-bar system
DIRECT SELECT lever...............................154Engaging drive position .......................15 6Engaging neutral ..................................15 5Engaging parkposition ........................15 5
Engaging parkposition automatically ..15 5Engagingreversegear .........................155Function ..............................................154
DisplayCare .................................................... 365
Display (multimedia system)Settings ...............................................263
Display (on-board computer)Displays onthe multifunction display .. 230
Display contentSettingthe additionalvaluerange ....... 229
Displaymessage..................................... 433Calling up (on-board computer) ...........433Notes .................................................. 433
Display messages

CheckTirePressure Soon...................466
CheckTirePressure ThenRestart
Run Flat Indicator................................470
wCheckTires................................. 467

EngineECOstart/stop function ......................150Engine number ....................................423Starting (emergency operationmode) ..................................................14 5Starting (RemoteOnline) .....................147Starting (start/stop button) .................145Starting assistance ..............................379Switching off (start/stop button) .........161
Engine dataDisplaying ............................................154
Engine number........................................ 423
Engine oil.................................................355Additives .............................................427Capacity .............................................. 428Checkingthe oil level usingthe oildipstick ............................................... 354Checkingthe oil level usingthe on-board computer ................................... 355MB-Freigabe or MB-Approval ...............428Quality ................................................. 428Topping up ...........................................355
EnteringcharactersFunction/notes .................................... 261
ESC (ElectronicStability Control)
see ESP®(ElectronicStability Program)
ESP®
Crosswind Assist .................................175
ESP®(ElectronicStability Program).......172Activating/deactivating .......................175Function/notes ....................................172
Exterior lightingCare .................................................... 364
Exterior lightingsee Lights
Exterior mirrors...............................134,13 5Anti-glaremode (automatic) ................135Automatic mirrorfolding function ........13 6Folding in/out .....................................134Operatingthe memory function ..........102Parking position ...................................135Setting .................................................13 4
External deviceLocking (child safety lock) ...................269
Eyeglasses compartment.......................106
F
Fatigue detectionseeATTENTION ASSIST
FavoritesAdding .................................................259Calling up ............................................ 259Deleting ............................................... 260Moving ................................................ 259Overview ............................................. 258Renaming ............................................ 259
FenderseeFront wheel arch
First-aid kit (soft sided).......................... 369
FlaconInserting/removing .............................14 2
Flat tire.....................................................370Changing a wheel .................................41 5MOExtended tires ................................370Notes ...................................................370TIREFIT kit ............................................371
FlattowingseeTow-bar system
Floor mats................................................12 0
Index507

Intermediate destinationCalculating aroute with intermediatedestinations ........................................ 282Entering ............................................... 281Modifying ............................................. 281Starting an automaticgasstationsearch.................................................. 281Startingthe automatic servicesta‐tion search.......................................... 287
InternetCalling up aweb page .........................326Closingthe browser ............................327Deleting a bookmark ...........................327Deleting browser data .........................327Managing bookmarks.......................... 327
InternetconnectionCommunication module function .........324Connectionstatus ...............................325Displayingthe connectionstatus ........ 325Establishing .........................................324Information .......................................... 324Restrictions ......................................... 324
InternetradioCalling up ............................................ 328Deletingstations .................................328
Logging out ......................................... 329Overview ............................................. 328Registering .......................................... 329Savingstations .................................... 328Selecting and connectingtoastation.............................................................328Selectingstream .................................329Setting options ....................................329Terms of use ........................................329
IonizationActivating/deactivating (multimediasystem) ................................................141
iPhone®
see Apple CarPlay™see Mercedes-Benz Link
J
JackStorage location ...................................414
Jump-start connection............................379General notes ......................................377
K
KEYLESS-GOLockingthevehicle ................................ 70Problem .................................................70Unlocking setting .................................. 65Unlockingthevehicle ............................70
Kickdown.................................................157Using ...................................................157
Knee airbag................................................ 40
L
Labeling (tires)seeTirelabeling
Lampsee Interior lighting
Lamps (Instrument Display)seeWarning/indicator lamps
Lane detection (automatic)seeActive LaneKeeping Assist
LaneKeeping AssistseeActive LaneKeeping Assist
51 0Index