octane MERCEDES-BENZ S CLASS 2019 Owners Manual

The Operator's Manual and Maintenance Bookletare important documents and should bekeptinthevehicle.
Service andvehicle operation
Vehicle operation outsidethe USA or Canada
Whenyou are abroad withyourvehicle, observethefollowing points:
Rservice points orreplacement parts may notbeavailable immediately.
Runleaded fuel may not beavailableforvehi‐cles with a catalytic converter. Leaded fuelmay cause damagetothe catalytic converter.
Rthe fuel may haveanextremely low octanenumber.Unsuitable fuel can cause enginedamage.
Some Mercedes-Benz models areavailable inEuropethrough our European Delivery Program.For more information, please consult an author‐ized Mercedes‑Benz service center, or writetoone ofthefollowing address:
inthe USA:
Mercedes-Benz USA,LLC
European Delivery Department
One Mercedes-Benz Drive
Sandy Springs, GA 30328
in Canada:
Mercedes-Benz Canada, Inc.
European Delivery Department
98VanderhoofAvenue
Toronto, Ontario M4G 4C9
Maintenance
Your customer advisor confirmsthe service inthe servicereport.
Roadside Assistance
The Mercedes-BenzRoadside Assistance Pro‐gram offerstechnical help inthe case of abreakdown.Your callstothetoll-freeRoadsideAssistance Hotline are answeredbyour agents24hours a day,365 daysayear.
1-800-FOR-MERCedes (1-800-367-6372)(USA)
1-800-387-0100(Canada)
You canfind further information intheMercedes-BenzRoadside Assistance Programbrochure(USA) orthe "Roadside Assistance"section inthe maintenance andwarranty infor‐mation booklet (Canada).You willfind bothinthevehicle documentwallet.
Change of address orchange ofownership
Intheevent of achange of address, please sendusthe "Notification of addresschange" intheService and Guarantee booklet or simply calltheMercedes-Benz Customer Assistance Center(USA) onthe hotline number1-800-FOR-MERCedes (1-800-367-6372)or Cus‐tomer Service (Canada) on 1-800-387-0100.Wecanthenreachyou in a timelyfashion, if neces‐sary.
Ifyou sellyour Mercedes, please leaveall litera‐ture inthevehicle sothat it isavailabletothenextowner. Ifyou havepurchased a usedvehi‐cle, please send usthe "Notice of Purchase ofUsed Car" inthe Service and Guarantee bookletor simply callthe Mercedes-Benz Customer
General notes21

Only use products approvedbyMercedes-Benz.
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 operatingflu‐ids:
Rinthe Mercedes-Benz SpecificationsforOperating Fluids at http://bevo.mercedes-benz.com (by enteringthe designation)
Rinthe Mercedes-Benz SpecificationsforOperating Fluids inthe Mercedes-Benz BeVoapp (by enteringthe designation)
Rat aqualified specialistworkshop
Fuel
Notes on fuelgradesforvehicles with agas‐oline engineObservethe notes on operatingfluids(→page 468).
*NOTEDamagecausedbythe wrong fuel
Even small amounts ofthe wrong fuel couldresult in damagetothe fuel system,theengine andthe emission control system.
#Onlyrefuel with low-sulfur unleadedfuel.
This fuel may contain upto10%ethanolbyvolume.Yourvehicle is suitablefor use withE10 fuel.
Neverrefuel with one ofthefollowing fuels:
RDiesel
RGasoline with morethan10%ethanolbyvolume, e.g. E15, E85, E100
RGasoline with morethan 3% methanolbyvolume, e.g. M15, M30, M85, M100
RGasoline with additives containing metal
Ifyou haveaccidentallyrefueled withthewrong fuel:
#Do not switchonthe ignition.
#Consult aqualified specialistworkshop.
Iftheavailable fuel is not sufficiently low in sul‐fur,this can produce unpleasant odors.
Onlyrefuel with fuel,that has at leastthe octanenumber specified inthe instruction label inthefuelfillerflap (→page180).
Ifyouwant maximum engine output:onlyrefuel with unleaded premium gradegasolinewith at least91AKI/95RON.
As atemporary measure, iftherecommendedfuel is notavailable,you may also use unleadedregulargasoline with an octane number of atleast87AKI/91RON.
*NOTEPrematurewearthrough unleadedregulargasoline
Unleadedregulargasoline can causetheenginetowear morequickly and impair lon‐gevity and performance.
If unleaded premium gradegasoline isunavailable andyou havetorefuel usingunleadedregulargasoline with87AKI/91RON:
Technical data469

#Onlyfillthe fueltanktohalf full withunleadedregulargasoline andtop up assoon as possible with unleaded pre‐mium gradegasoline.
#Do not drive atthe maximum speed.
#Avoid sudden acceleration and enginespeedsover 3000rpm.
This mayreduce engine performance andincrease fuel consumption. Neverrefuel usinggasoline with a lower octane number.
Further information on fuel can befound:
Rat agasstation
Rat aqualified specialistworkshop
RUSA only:at http://www.mbusa.com
Information on additives ingasolineObservethe notes on operatingfluids(→page 468).
*NOTEDamagefrom use of unsuitableadditives
Even small amounts ofthe wrong additivemay leadtomalfunctions occurring.
#Only add cleaning additivesrecommen‐dedbyMercedes-Benztothe fuel.
Mercedes-Benzrecommendsthatyou use fuelbrandsthat haveadditives.
In some countries,the fuelavailable may nothavesufficient additives.Residue could build upinthe fuel injection system as aresult. Inthiscase, in consultation with an authorizedMercedes-Benz Center,the fuel may be mixedwiththe cleaning additiverecommendedbyMercedes-Benz. Be suretoobservethe notesand mixingratios specified onthe container.
Tank content and fuelreserveThetotal capacity ofthe fueltank mayvary,depending onthevehicle equipment.
ModelTotal capacity
All models21.1gal (80.0 liters)
ModelOf whichreserve
All models2.1gal (8.0 liters)
Engine oil
Notes on engine oilObservethe notes on operatingfluids(→page 468).
47 0Technical data