well, I bent over and went to the dealer, and guess what, it was the MAF, But once you have already payed for the labor for the diagnosis there is no turning back. besides at least I have a one year warranty, by the way are adaptation values some thing that is done automatically by the computer or does it have to be done by the dealer and also when you disconnect the battery does it mess up your adaptation values and other critical data??? seems like they would put a capacitor or something in the circuit to keep all the DATA long enough for the averqage battery changeout.

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1995 c220 (harness issues sold)
1999 clk 320 cabriolet