I work off of mileage as well, every 5k in my case, which I wasn’t able to hit on Mrs. Dan’s car after two years, so I changed it.
I just barely hit that interval annually on the ML500, so a year or mileage works for it either way. -D > On Mar 18, 2024, at 12:52 PM, Curt Raymond via Mercedes > <mercedes@okiebenz.com> wrote: > > A 1 year limit is usually advised by the manufacturer. This is, at least in > theory, based on the acid buildup in the oil. IIRC acid buildup is controlled > by TBN (total base number) in the oil. You could get oil analysis to check > and see if TBN has fallen to the point that engine damage could occur. > > Or you could just change the oil yearly. > > With 3 vehicles I just change at 10,000 miles give or take a bit, 2 of those > are diesels where acid buildup isn't so much of a thing. > > Interestingly the magic oil analyzer thingie in the 2018 Dodge RAM managed to > hit 10,000 miles almost exactly. I changed the oil last week at 10,050 with > 4% life left on the oil as noted by the vehicle... > > -Curt > > On Monday, March 18, 2024 at 12:45:14 PM EDT, Bob Rentfro via Mercedes > <mercedes@okiebenz.com> wrote: > > > > > > I’ve always changed oil based on mileage thanks to all the driving we used to > do regularly. Now that we don’t drive as much it appears I will be impinging > on the time limit (6 months) for a Subaru oil change. > Is the time limit a thing anymore with these fancy oils we use? If I wait > until I reach the mileage constraint I will have left that oil in for almost > 9 months. > > I hope no one has the brown bottle flu this morning from pounding too many > Guinness’ yesterday. I had only three and I feed fabulous. > > AZBob > > Sent from my iPhone > _______________________________________ > 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 > _______________________________________ 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
