I'm finding it harder and harder to find 15w50 Mobil1 Synthetic (not the 15,000 mile stuff) for my 560SEL.

Are there any other wieghts of oil which work well with the V8? Any preferences? Oh, I'm in Denver if the elevation/climate should weigh into my decision.

I went with 15w50 since 20w50 was specified in the manual.


Thanks!