Well honestly I don't know. Would a tank or two of 89 hurt anything, probably not. In a modern car the computer should compensate. But why did MB specify 91 if they didn't think it was necessary. That is my view.
On Sat, Jul 8, 2023, at 13:30, Dwight Giles wrote: > tell me more > > On Sat, Jul 8, 2023, 2:28 PM Allan Streib <astr...@fastmail.fm> wrote: >> No >> >> On Sat, Jul 8, 2023, at 13:08, Dwight Giles via Mercedes wrote: >> > A friend is buying a 2015 E350. 91 Octane is specified. Can he run 89 in it >> > with no problems? >> > TIA >> > Dwight >> > _______________________________________ >> > http://www.okiebenz.com >> > >> > To search list archives http://www.okiebenz.com/archive/ >> > >> > To Unsubscribe or change delivery options go to: >> > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com