Reading the adaptation codes requires the MB SDS (Star Diagnostic System). All dealers and a few good indies have one.

If you haven't noticed, whunter pulled up an interesting thread on MAF issues. Worth reading.

http://www.peachparts.com/shopforum/showthread.php?t=112052

I have uploaded a doc by BOSCH on our MAFs but can't get to show up in post.

MAF doc is present in this thread:

http://www.peachparts.com/shopforum/showthread.php?t=271723

Just scroll down.

Thanks Richard, I'll look them up now.

Those are great posts. Too bad I just replaced mine and tossed the old one. I'm going to test the O2 sensors and buy new plugs since its time for new ones anyway. I'll post the results.