I used top octane in my 1998 E320 before gas prices got up to $4.00 - now I use the middle octane. Mercedes recommends Premium fuel because of the way the engine is designed and the sensors. It runs much better on premium anyways. and if you cant afford the premium gas you have no business owning a mercedes.
Gasoline or Jet 'A'
No the First Car used Gasoline to run. Gasoline is a type of fuel
steriods
gasoline.
87 octane unleaded.
Mercedes Benz recommend Mobil 1 regardless of year and model.
unleaded
McLaren from 2008-2012. Mercedes from 2013-2015.
The correct type of gas is super unleaded 91 to 93 octane.
R134a
SEAT / Fiat / Peugeot / Mercedes are the most common
The percentage of gasoline that is ethanol differs according to the type of gasoline measured. On average, though, most gasoline is at least 13% to 15% ethanol made from corn.