On Thu, Jan 19, 2006 at 01:31:37PM -0600, Donald Snook wrote: > I have not had a gas Mercedes since 1998 and it was a 1971 (that > originally ran on regular i.e. leaded gas), so I am not clear on the > premium gas requirement on newer gasser MB's. Do I really need to run > premium in my 1990 300SEL? I am pretty sure the simple answer will be > yes. Just wondering if anyone had thoughts on this issue.
I've heard Kaleb mention that his 560 was satisfied with less than premium, but am not so sure about the sixes. I'd probably try it with a partial tank - if it's unhappy with it, it'll let you know. K
