2019 MERCEDES-BENZ S CLASS oil

Ifthefollowing conditions are fulfilled,standbymode can be activated or deactivated usingthemultimedia system:
RThe engine is switched off.
RThe ignition is switched on.
Exceedingthevehicle's displayed non-opera‐tional time may cause inconvenience, i.e. it can‐not be guaranteedthatthestarter battery willreliablystartthe engine.
Thestarter battery must bechargedfirst inthefollowing situations:
RThevehicle's non-operational time must beextended.
RTheBattery Charge Insufficient for StandbyModemessageappears inthe multimediasystem display.
%Standby mode is automatically deactivatedwhenthe ignition is switched on.
Activating/deactivatingstandby modeMultimedia system:
,Vehicle.îVehicle Set-
tings.Standby Mode
%This function is notavailablefor all models.
#Activatesor deactivateSthe function.Whenyou activatethe function, a promptappears.
#SelectYes.Standby mode is activated.
Driving and driving safety systems
Driving systems andyourresponsibility
Yourvehicle is equipped with driving systemswhich assistyou in driving, parking and maneu‐veringthevehicle. The driving systems are aidsand do notrelieveyou ofyourresponsibility per‐tainingtoroad traffic law.Pay attentiontothetraffic conditions at all times and intervenewhen necessary. Beaware ofthe limitationsregardingthe safe use ofthese systems.
Function oftheradar sensors
Some driving and driving safety systems useradar sensorstomonitorthe area in front of,behind or nexttothevehicle (depending onthevehicle's equipment).
Depending onthevehicle's equipment,theradarsensors are integrated behindthe bumpersand/or behindthe Mercedesstar.Keeptheseparts free of dirt, ice and slush (→page 409).The sensors must not be covered,forexamplebycycleracks,overhanging loads,stickers,foilorfoilstoprotect againststonechipping. Intheevent of damagetothe bumpers orradiator grill,orfollowing a collision impactingthe bumpers orradiator grill, havethe function oftheradar sen‐sorschecked at aqualified specialistworkshop.The driver assistance system may no longerworkproperly.
Driving and parking191

Rfrequent operation in mountainousterrain oron poorroad surfaces
Rwhenthe engine is often leftidlingfor longperiods
Roperation in particularly dusty conditionsand/or if air-recirculation mode is frequentlyused
Inthese or similar operating conditions, havetheinterior airfilter, engine air cleaner, engine oiland oilfilteretc.changed more frequently. Thetires must bechecked more frequently ifthevehicle is operated under increased loads.Fur‐ther information can be obtained at aqualifiedspecialistworkshop.
Battery disconnection periods
The ASSYST PLUS service interval displaycan only calculatethe service due datewhenthe batteryis connected.
#Notedownthe service due date displayed onthe instrument display before disconnectingthe battery (→page 395).
Engine compartment
Active hood (pedestrian protection)
Operation ofthe active hood (pedestrian pro‐tection)In certain accident situations,therisk of injurytopedestrians can bereducedbythe actuationofthe active hood. Therear area ofthe hood israisedbyapproximately 80 mm.
Forthe drivetotheworkshop,resetthe trig‐gered active hoodyourself. Afterthe active hoodhas been triggered, pedestrian protection maybe limited.
Aqualified specialistworkshop mustre-instatethe full functionality ofthe active hood.
The active hood is notavailable in all countries.
Resettingthe active hood
&WARNINGRisk 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.
#Withyour handflat, push down active hood1inthe area aroundthe hinges on bothsides (arrows).The hood must engage in position.
#Ifthe active hood can beraised slightly attherear inthe area ofthe hinges,repeatthestep until it engages correctly.
396Maintenance and care

Engine oil
Checkingthe engine oil level usingthe oildipstick
&WARNINGRisk of burns from hot com‐ponent parts inthe engine compartment
Certain component parts inthe engine com‐partment can beveryhot, e.g.the engine,the cooler and parts oftheexhaust system.
#Letthe engine cool down and onlytouchthe component parts describedasfollows.
Plug-inhybrid:observethe notes inthe Supple‐ment. Otherwise,you mayfailtorecognize dan‐gers.
Requirements:RThe engine must havean oil dipstick.If not,the engine oil level can bechecked only withthe on-board computer (→page 399).
Depending onthe engine,the oil dipstick may beinstalled inthe engine compartment in differentlocations.
Thewaiting time beforecheckingthe oil levelwhenthe engine is at normal operatingtempera‐ture isfiveminutes.
#Parkthevehicle on a level surface.
#Pull oil dipstick1out and wipe off.
#Slowly slide oil dipstick1intothe guidetubetothestop, and pull it out again afterapproximatelythree seconds.ROil level is correct: oil level is between2and3.
ROil leveltoo low: oil level is at3orbelow.
ROil leveltoo high: oil level is above2.
#Ifthe oil level istoo low,add1.1 US qt(1 liter) of engine oil.
#Ifthe oil level istoo high, havetheexcessengine oilremoved as soon as possible at aqualified specialistworkshop.
Checkingthe engine oil level with an on-board computer
Requirements:The engine oil level is determined during driving.Determiningthe engine oil level cantakeupto30 minutes with a normal drivingstyle andevenlonger with an active drivingstyle.
In ordertoreceivearesult asquickly as possi‐ble:
RWarmupthe engine.
Maintenance and care399

RParkthevehicle on a level surface.
RLeavethe enginerunning at idle speed.
On-board computer:
,Service.Engine Oil Level
You will see one ofthefollowing messages inthe multifunction display:
#Measuring Engine Oil Level...: measurementofthe oil level is notyet possible.Repeattherequest after a maximum of 30 minutes' driv‐ing.
#Engine Oil Level OKandthe bar displayforindicatingthe oil level inthe multifunctiondisplay is green and is between "min" and"max":the oil level is correct.
#Engine Oil Level Add 1.0 landthe bar displayfor indicatingthe oil level inthe multifunctiondisplay is orange and is below "min": add1.1 US qt (1 liter) of engine oil.
#Reduce Engine Oil Levelandthe bar displayfor indicatingthe oil level inthe multifunctiondisplay is orange and is above"max": drain
offtheexcess engine oil. Consult aqualifiedspecialistworkshop.
#For Engine Oil Level Switch Ignition On:switch onthe ignitiontocheckthe engine oillevel.
#Engine Oil Level System Inoperative: sensordefective or not inserted. Consult aqualifiedspecialistworkshop.
#Engine Oil Level System Currently Unavail.:closethe hood.
Adding engine oil
&WARNINGRisk 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.
&WARNINGRisk offireand injury fromengine oil
If engine oil comes into contact withhotcomponent parts inthe engine compart‐ment, it may ignite.
#Make surethat no engine oil is spillednexttothefiller opening.
#Allowthe enginetocool off andthor‐oughly cleanthe engine oil from compo‐nent parts beforestartingthevehicle.
*NOTEEngine damagecausedbyanincorrect oilfilter, incorrect oil or addi‐tives
#Do not use engine oils or oilfilterswhich do not correspondtothe specifi‐cationsexplicitly prescribedfortheservice intervals.
#Do not alterthe engine oil or oilfilter inordertoachievelongerchange intervalsthan prescribed.
#Do not use additives.
400Maintenance and care

#Followthe instructions inthe serviceinterval displayregardingthe oilchange.
*NOTEDamagecausedbyaddingtoomuch engine oil
Too much engine oil can damagethe engineorthe catalytic converter.
#Haveexcess engine oilremoved at aqualified specialistworkshop.
#Turncap1counter-clockwise andremoveit.
#Add engine oil.
#Replace cap1and turn it clockwise asfaras it will go.
#Checkthe oil level again (→page 399).
Checking coolant level
&WARNINGRisk 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.
&WARNINGRisk 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.
Maintenance and care401

%Ifyouwould liketoleavethevehicle while itis beingwashed, make surethe SmartKeyislocated inthevehicle. The]gear isother‐wise automatically engaged.
%If, afterthe carwash,youremovethewaxfromthe windshield and wiperrubbers,thiswill prevent smearing andreduce wipernoise.
Information on using a powerwasher
&WARNINGRisk of accident when usinghigh-pressure cleaning equipment withround-spraynozzles
Thewater jet from around-spraynozzle (dirtgrinder) may cause damagetotires and sus‐pension componentsthat is not visible.
Components damaged inthisway mayfailunexpectedly.
#Do not use high-pressure cleaningequipment withround-spraynozzlestocleanyourvehicle.
#Damaged tires or suspension compo‐nents must bereplaced immediately.
Toavoid damageto yourvehicle, observethefol‐lowing when using a powerwasher:
Rkeepthe SmartKeyat least10ft(3 m)awayfromthevehicle. Otherwisethe trunk lidcould open unintentionally.
Rmaintain a distance of at least11.8 in(30 cm)tothevehicle.
Rvehicles with decorativefoil:parts ofyourvehicle are covered with a decorativefoil.Maintain a distance of at least27.6 in(70 cm) betweenthefoil-covered parts ofthevehicle andthe nozzle ofthe powerwasher.Movethe powerwasher nozzle around whilstcleaning. Thewatertemperature ofthepowerwasher must notexceed140 °F(60 °C).
Robservethe information onthe correct dis‐tance inthe equipment manufacturer's oper‐ating instructions.
Rdo not pointthe nozzle ofthe powerwasherdirectly at sensitive parts such as tires, slits,electrical components, batteries, light bulbsandventilation slots.
Washingthevehiclebyhand
Observethe legalrequirements, e.g. in a numberof countries,washingbyhand is only permittedin specially designatedwash bays.
#Use a mild cleaning agent, e.g. car shampoo.
#Washthevehicle with lukewarmwater usinga soft car sponge. When doing so, do notexposethevehicletodirect sunlight.
#Carefully hosethevehicle off withwater anddry using achamois.Takecare nottopointthewater jet directlytowardsthe air inletgrille.
404Maintenance and care

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 care405

Cleaning and careAvoiding paintwork damage
MattefinishROnly use care products approvedfor Mercedes-Benz.RDo not polishthevehicle and alloy wheels.
ROnly use carwashesthat correspondtothe latest engi‐neeringstandards.
RDo not use carwash programs with afinal hotwax treat‐ment.
RDo not use paint cleaners, buffing or polishing products,gloss preservers, e.g.wax.
RAlways havepaintworkrepairs carried out at aqualifiedspecialistworkshop.
Notes on cleaning decorativefoils
Observethe notes on mattefinish care inthechapter "Notes on paintwork/mattefinish paint‐
workcare" (→page405). They also applytomatte decorativefoils.
406Maintenance and care