I think the data he gets comes from the older cars... With the newer engines that are more efficient and have tighter clearances it might (should) be different. I've seen oil analysis from multiple OM60x engines going 10k miles or more with the oil analysis being just fine.
My owners manual states 13k miles as well. I don't think we're the only two changing them at 13k mile intervals either ;) John John Freer wrote: > 7500 miles on M1? If so, then MB is way off base as I just had the oil > changed in my CDI and it is telling me I have 13K to go or one year. > > On 5/23/08, LarryT <[EMAIL PROTECTED]> wrote: >> We've done a number of TBN (total base number) tests for customers over >> the years and they all seem to say the same thing - the additives that >> control the acids created by the combustion process are typically exhausted >> by around 7500 miles. Based on this I generally suggest oil be changed >> every 5000 miles or so which allows some safety factor as the TBN can be >> depleted at different rates depending on a variety of factors. Of course, >> some customers have special situations which dictate shorter changes. _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
