coolant MERCEDES-BENZ C CLASS 2019 Owners Manual

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Instrument Displayoverview
Mercedes-AMGvehicles:be suretoobservethe information inthe Supplement. Otherwise,you mayfailtorecognize dangers.
\nWARNINGRisk of accident duetoaninstrument display malfunction
Ifthe Instrument Display hasfailed or mal‐functioned,you may notrecognize functionrestrictions applyingtosafetyrelevant sys‐tems.
The operating safety ofyourvehicle may beimpaired.
Drive on carefully.
Havethevehiclechecked immediatelyat aqualified specialistworkshop.
Ifthe operating safety ofyourvehicle isimpaired, parkthevehicle safely as soon as pos‐sible. Contact aqualified specialistworkshop.
Instrument Display (standard)
1Speedometer
2Multifunction display
3Tachometer
4Coolanttemperaturegauge
5Fuel level and fuelfillerflap location indica‐tor
Instrument Display intheWidescreen Cock‐pit
1Speedometer
2Multifunction display
3Example: areafor additionalvalues
4Coolanttemperaturegauge
5Fuel level and fuelfillerflap location indica‐tor
Further display content can be shown on dis‐play3for additionalvalues(page 229).
226Instrument Display and on-board computer

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The segments on speedometer1indicatethesystemstatusforthefollowing:
RCruise control (page181)
RActive Distance AssistDISTRONIC(page183)
NOTEEngine damageduetoexcessivelyhigh engine speeds
The engine will be damaged ifyou drive withthe engine intheoverrevvingrange.
Do not drive with the engine intheover‐revvingrange.
The fuel supply is interruptedtoprotecttheengine whenthered mark ontachometer3(overrevvingrange) isreached.
During normal operating conditions, coolanttemperature display4mayrisetotheredmark.
\nWARNINGDanger of burns when open‐ingthe hood
Ifyou openthe hood whenthe engine hasoverheated or during afireinthe enginecompartment,you could come into contactwith hotgases orother escaping operatingfluids.
Before openingthe hood, allowtheenginetocool down.
Intheevent of afireinthe engine com‐partment,keepthe hood closed andcallthefireservice.
Overview ofthe buttons onthesteeringwheel
1¤Back/Home button (press and hold),on-board computer
2Touch Control, on-board computer
3Control panelfor cruise control orActiveDistance AssistDISTRONIC
4Control panelfor multimedia system:
£Voice Control System
ßDisplaysfavorites
VOL: control knob, adjuststhevolume orswitchesthe sound offc(press)
aMakes/accepts a call
Instrument Display and on-board computer227

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Vehicles withTraffic Sign Assist:Detectedinstructions and traffic signs (page217).
Adjusting the instrument lighting
Turnbrightness control1up or down.The lighting ofthe Instrument Display and inthe control elements ofthevehicle interior isadjusted.
Menus and submenus
Functions onthe service menu ofthe on-board computer
On-board computer:
Service
Toselectthe function:swipe upwards ordownwards onthe left-handTouch Control.
Pressthe left-handTouch Control.
Functions ontheServicemenu:
RMessage memory (page 433)
RTires:
-Restartthe tire pressure losswarningsystem (page 398)
-Checkthe tire pressure withthe tire pres‐sure monitor (page 396)
-Restartthe tire pressure monitor(page 397)
RASSYST PLUS: calls upthe service due date(page 351)
RVehicles with aWidescreen Cockpit:Cool-ant: coolanttemperature display
REngine Oil Level: engine oil level
Calling upthe assistancegraphic
On-board computer:
Assistance
Thefollowing displaysareavailable onthe assis‐tance graphic menu:
RAssistancegraphic
RAttention level (page215)
Toswitch betweenthe displays:swipeupwards or downwards onthe left-handTouch Control.
Instrument Display and on-board computer231

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Checking coolant level
\nWARNINGRisk of burns from hot com‐ponent parts inthe engine compartment
Certain components inthe engine compart‐ment can beveryhot, e.g.the engine,theradiator and parts oftheexhaust system.
Allowthe enginetocool down and onlytouch component parts described inthefollowing.
\nWARNINGDanger of burns when open‐ingthe hood
Ifyou openthe hood whenthe engine hasoverheated or during afireinthe enginecompartment,you could come into contactwith hotgases orother escaping operatingfluids.
Before openingthe hood, allowtheenginetocool down.
Intheevent of afireinthe engine com‐partment,keepthe hood closed andcallthefireservice.
\nWARNINGRisk of scalding from hotcoolant
The engine cooling system is pressurized,particularly whenthe engine iswarm. Ifyouopenthe cap,you could be scaldedbyhotcoolant spraying out.
Letthe engine cool down before open‐ingthe cap.
When openingthe cap,wear protectivegloves and safetyglasses.
Openthe cap slowlytorelease pres‐sure.
Parkthevehicle on a level surface.
Checkthe coolanttemperature display intheinstrument cluster.The coolanttemperature must be below158 °F (70 °C).
Slowly turn cap1counter-clockwisetorelieve overpressure.
Maintenance and care357

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Continue turning cap1counter-clockwiseandremoveit.
The coolant level is correct:
RIfthe engine is cold, uptomarker bar2
RIfthe engine iswarm, upto0.6 in (1.5 cm)over marker bar2
If necessary,add coolantthat has beenapprovedbyMercedes-Benz.RFurther information on coolant(page 429).
Addingwasher fluidtothe windshieldwasher system
\nWARNINGRisk of burns from hot com‐ponent parts inthe engine compartment
Certain components inthe engine compart‐ment can beveryhot, e.g.the engine,theradiator and parts oftheexhaust system.
Allowthe enginetocool down and onlytouch component parts described inthefollowing.
\nWARNINGDanger of burns when open‐ingthe hood
Ifyou openthe hood whenthe engine hasoverheated or during afireinthe enginecompartment,you could come into contactwith hotgases orother escaping operatingfluids.
Before openingthe hood, allowtheenginetocool down.
Intheevent of afireinthe engine com‐partment,keepthe hood closed andcallthefireservice.
\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.
Removecap1bythetab.
Addwasherfluid.
Keepingthe air-water duct free
Keepthe area betweenthe hood andthewindshield free of deposits, e.g. ice, snowand leaves.
358Maintenance and care

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Notes on paintwork/mattefinish paintworkcare
Observethefollowing information:
Cleaning and careAvoiding paintwork damage
PaintworkRInsectremains: soak with insectremover andrinse offthetreated areas afterwards.
RBird droppings: soak withwater andrinse off afterwards.
RTreeresin, oils, fuels and greases:removebyrubbinggen‐tly witha clothsoaked in petroleumether or lighterfluid.
RCoolant and brakefluid:removewith a damp clothandcleanwater.
RTarstains: usetarremover.
RWax: use siliconeremover.
RDo not attachstickers,films or similar.
RRemovedirt immediately,where possible.
Maintenance and care361

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fied onthevehicle identification plate ontheB‑pillar onthe driver's side.
Maximumweight ofthe ladenvehicle:themaximumweight isthe sum ofthe curbweightofthevehicle,theweight ofthe accessories,themaximum load andtheweight of optional equip‐ment installed atthefactory.
Kilopascal (kPa):metric unitfor tire pressure.6.9 kPa correspondsto1 psi. Another unitfortire pressureis bar.100 kilopascal (kPa) equals1 bar.
Load index:in additiontothe load-bearingindex,the load index may also be imprinted onthe sidewall ofthe tire. This specifiesthe load-bearing capacity ofthe tire more precisely.
Curbweight:theweight of avehicle withstand‐ard equipment includingthe maximum capacityof fuel, oil and coolant. It also includesthe airconditioning system and optional equipment ifthese are installed onthevehicle, but does notinclude passengers or luggage.
Maximum tire load:the maximum tire load isthe maximum permissibleweight in kilograms orlbsfor whicha tire is approved.
Maximum permissible tire pressure:maxi‐mum permissible tire pressurefor one tire.
Maximum load on one tire:maximum load onone tire. This is calculatedbydividingthe maxi‐mum axle load of one axlebytwo.
PSI (pounds per square inch):standard unit ofmeasurementfor tire pressure.
Aspectratio:ratio between tire height and tirewidth in percent.
Tirepressure:pressure insidethe tire applyingan outwardforcetoeverysquare inch ofthe tire.The tire pressure is specified in pounds persquare inch (psi), in kilopascals (kPa) or in bar.The tire pressure should only be corrected whenthe tires are cold.
Cold tire pressure:the tires are cold whenthevehicle has been parkedfor at least3 hourswithout direct sunlight onthe tires orthevehiclehas been drivenfor lessthan 1 mile (1.6 km).
Tirecontact surface:the part ofthe tirethatcomes into contact with theroad.
Tirebead:the purpose ofthe tire bead istoensurethatthe tire sits securely onthe wheel
rim. There are several wire cores inthe tire beadtopreventthe tire fromchanging length onthewheelrim.
Sidewall:the part ofthe tire betweenthe treadandthe tire bead.
Weight of optional equipment:the combinedweight ofthe optional equipmentweighing morethanthereplacedstandard parts and morethan5 lbs (2.3kg).This optional equipment, such ashigh-performance brakes, level control system, aroof luggagerackor high-performance batteries,is not included inthe curbweight andtheweightofthe accessories.
TIN (Tire IdentificationNumber):a uniqueidentification number which can be usedby atire manufacturertoidentify tires,forexample,in a productrecall, andthus identifythe pur‐chasers. The TIN is made up ofthe manufactur‐er's identity code, tire size, tire type code andthe manufacturing date.
Load-bearing index:the load-bearing index is acodethat containsthe maximum load-bearingcapacity of a tire.
41 0Wheels and tires

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Operatingfluids
Notes on operatingfluids
Mercedes-AMGvehicles:be suretoobservethe information inthe Supplement. Otherwise,you mayfailtorecognize dangers.
\nWARNINGRisk of injuryfrom operatingfluids harmfulto your health
Operatingfluids may be poisonous and harm‐fulto your health.
Observethetext onthe original con‐tainers when using,storing or disposingof operatingfluids.
Alwaysstore operatingfluids sealed intheir original containers.
Alwayskeepchildrenawayfrom operat‐ingfluids.
ENVIRONMENTALNOTEEnvironmentalpollution causedbyenvironmentally irre‐sponsible disposal
Dispose of operatingfluids in an envi‐ronmentallyresponsible manner.
Operatingfluids includethefollowing:
RFuels
RLubricants
RCoolant
RBrakefluid
RWindshieldwasherfluid
RClimate control systemrefrigerant
Only use products approvedbyMercedes-Benz.Damage causedbythe use of productsthat havenot been approved is not coveredbytheMercedes-Benzwarranty or goodwillgestures.
You can identify operatingfluids approvedbyMercedes-Benzbythefollowing inscriptions onthe container:
RMB-Freigabe (e.g. MB-Freigabe 229.51 )
RMB-Approval (e.g. MB-Approval 229.51)
Further information on approved operatingfluidsisavailable atthefollowing locations:
Rinthe Mercedes-Benz SpecificationsforOperating Fluidsbyenteringthe designation
-at http://bevo.mercedes-benz.com
-inthe Mercedes-Benz BeVo App
Rat aqualified specialistworkshop
\nWARNINGRisk offireorexplosion fromfuel
Fuels are highlyflammable.
Fire, openflames, smoking and creationof sparksmust beavoided.
Switchoffthe ignition and, ifavailable,thestationary heater, before and whilerefuelingthevehicle.
\nWARNINGRisk of injuryfrom fuels
Fuels are poisonous and hazardousto yourhealth.
Technical data425

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Rat aqualified specialistworkshop
Coolant
Notes on coolantObservethe notes on operatingfluids(page 425).
\nWARNING‑ Risk offireand injury fromantifreeze
If antifreeze comes into contact withhotcomponent parts inthe engine compart‐ment, it may ignite.
Allowthe enginetocool down beforeadding antifreeze.
Makesurethat no antifreeze spills outnexttothefiller opening.
Thoroughly clean off any antifreezefrom component parts beforestartingthevehicle.
NOTEDamagecausedbyincorrect cool‐ant
Only add coolantthat has been pre‐mixed withtherequired antifreeze pro‐tection.
Information on coolant isavailable atthefol‐lowing locations:
RInthe Mercedes-Benz SpecificationforOperating Fluids310.1
-Athttp://bevo.mercedes-benz.com
-Inthe Mercedes-Benz BeVo app
RAtaqualified specialistworkshop
NOTEOverheating at high outsidetem‐peratures
If an inappropriate coolant is used,theengine cooling system is not sufficiently pro‐tected againstoverheating and corrosion athigh outsidetemperatures.
Always use coolant approvedbyMercedes-Benz.
Observethe instructions intheMercedes-Benz Specificationsfor Oper‐ating Fluids310.1.
Havethe coolantregularlyreplaced at aqualifiedspecialistworkshop.
The proportion of corrosion inhibitor/antifreezeconcentrate inthe engine cooling system shouldbe:
Ra minimum of 50% (antifreeze protectiondowntoapproximately -35 °F (-37 °C))
Ra maximum of 55% (antifreeze protectiondownto-49 °F (-45 °C))
Coolant capacity
ModelCapacity
All models9.1 US qt (8.6 liters)
Notes on windshieldwasher fluid
Observethe notes on operatingfluids(page 425).
Technical data429

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Display messagesPossible causes/consequences andPPSolutions
Pullover andstopthevehicle safely and switch offthe engine, paying attentiontoroad and traffic conditions.
Consult aqualified specialistworkshop.
=
Stop Vehicle Leave EngineRunning
*The batterychargelevel istoo low.
Pullover andstopthevehicle safely as soon as possible, paying attentiontoroad and traffic conditions. Do notcontinue driving under any circumstances.
Leavethe enginerunning.
Wait untilthe display message disappears before pullingaway.
Check Coolant Level SeeOperator's Manual
*The coolant level istoo low.
NOTEEngine damageduetoinsufficient coolant
Avoid long journeyswith insufficient coolant.
Add coolant (page 357).
=
12 V Battery See Opera-tor's Manual
*The engine is off andthe batterychargelevel istoo low.
Switch off electrical consumersthat are notrequired.
Leavethe enginerunningfor afew minutes, or drivefor a longer distance.The battery willcharge.Ifthe message appears whilethe engine isrunning,this indicates an on-board electrical system malfunction.
Visit aqualified specialistworkshop.
458Display messages andwarning/indicator lamps

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