checked with 1 800- mercedes and was told that mass air flow sensor is covered in california for 7 yrs and 70,000 miles. So for my 97 E320, it's covered.
also, the P1030 code that I got was a "pending" code, I think it means that it detected a malfunction, but has not trigger the check engine light. The check engine light was most likely caused by the air flow sensor (P0170) code. What do you experts think?
Another question for the experts: How do I convince the dealers that the P0170 code is really the mass air sensor failure? If I can convince the dealer, I can get it replaced under warranty.
Thanks for all the help.
Marcus (a mercedes DIY newbie with a new code scanner)