2019 MERCEDES-BENZ C CLASS Owners Manual

Warning/indicator lampPossible causes/consequences andPPSolutions
Function ofActive Brake Assist .
Engine
Warning/indicator lampPossible causes/consequences andPPSolutions

Warning/indicator lampPossible causes/consequences andPPSolutions
Fuelreservewarning lampIfthe fuelfiller cap has already been closed correctly:
Visit aqualified specialistworkshop.

Warning/indicator lampPossible causes/consequences andPPSolutions
Intheevent of afireinthe engine compartment,keepthe hood closed and callthefireservice.
Pullover andstopthevehicle safely and switch offthe engine, paying attentiontoroad and traffic conditions. Donot continue driving under any circumstances.
Observethe messages onthe multifunction display.
Ifthe coolanttemperature display is atthe lower end ofthetemperature scale:
Consult aqualified specialistworkshop.
or
Exitthevehicle andkeep a safe distance from it untilthe engine has cooled down.
Checkthe coolant level (page 357).
Make surethatthe air supplytotheradiator is not obstructed.
Avoiding high loads onthe engine, drivetothe nearestqualified specialistworkshop. In doing so, ensurethatthecoolanttemperature displayremains belowthered area.
Display messages andwarning/indicator lamps489

Tires
Warning/indicator lampPossible causes/consequences andPPSolutions
w
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.
w
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

Warning/indicator lampPossible causes/consequences andPPSolutions
Observethe messages onthe multifunction display.
492Display messages andwarning/indicator lamps

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

Active Service System PLUSsee ASSYSTPLUS
Active Speed Limit Assist.......................187Display.................................................187Function ..............................................187
ActiveSteering Assist.............................189Activating/deactivating .......................191Active EmergencyStop Assist .............193Active Lane Change Assist...................191Displays inthe Instrument Display ......19 3Function ..............................................189System limitations ...............................189
Adaptive cruise controlseeActive Distance AssistDISTRONIC
Adaptive Highbeam AssistFunction ..............................................12 5Switching on/off .................................12 6
AdditionalvaluerangeSetting display content ........................ 229
Additives.................................................. 427Engine oil ............................................. 427Fuel ..................................................... 427
Additives (engine oil)seeAdditives
Additives (fuel)seeFuel
Address booksee Contacts
Adjusting the balance/fader
Burmester®surround sound system ... 350
Adjusting the headlamprange...............12 3
Adjusting the soundfocus
Burmester®surround sound system ... 350
Adjusting treble, mid-range and basssettings
Burmester®surround sound system ... 350
ADS PLUS damping systemsee AIRMATIC
After-sales service centersee ASSYST PLUS
Air bagReduced protection ...............................42
Air conditioning systemsee Climate control
Air distributionSetting .................................................138
Air freshener systemseePerfume atomizer
Air inletsee Air-water duct
Air pressureseeTirepressure
Air suspensionsee AIRMATIC
Airvents...................................................14 3Adjusting (front) ..................................14 3Adjusting (rear) ....................................14 3
Airventssee Airvents
Air-recirculation mode.............................141
Air-water duct.......................................... 358Keeping free ........................................358
Airbag.........................................................40Activation .............................................. 34Front airbag (driver, front passenger) ....40Installation locations .............................40Knee airbag ........................................... 40
494Index