Originally Posted By: SIXSPEED
I've used Mobil 1 Formula M 5W40, Mercedes Benz 5W40 and Castrol Edge 0W40 in my 2012 E350; all are good oils and meet the MB oil spec. Formula M is no longer available from my dealer but Mobil 1 0W40 is a good substitute. I have used oil filters from Mercedes Benz, Mahle and Purflux. The OEM filter that I replaced on the first oil change was made by Purflux.
M1 0W40 is preferred oil in 350 gasser, NOT Formula M as far as I know. Since 350 is DI engine, I would always go with full SAPS oil like M1 0W40 or Castrol 0W40.
I've used Mobil 1 Formula M 5W40, Mercedes Benz 5W40 and Castrol Edge 0W40 in my 2012 E350; all are good oils and meet the MB oil spec. Formula M is no longer available from my dealer but Mobil 1 0W40 is a good substitute. I have used oil filters from Mercedes Benz, Mahle and Purflux. The OEM filter that I replaced on the first oil change was made by Purflux.
M1 0W40 is preferred oil in 350 gasser, NOT Formula M as far as I know. Since 350 is DI engine, I would always go with full SAPS oil like M1 0W40 or Castrol 0W40.