I think it might be the switch...I will pay attention to the key next time to see how much friction I feel. I am also going to try the "starter tap" as well. I will post any observances here...and if you find out anything new, please do the same. Is there any type of spray or oil that would help clean contacts? If its as simple as some cleaner, it would free my time up to devote to the other problems that need my attention(compressor, seatbelt, headrests).

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1994 S320
131K miles

1998 ML 320
126K miles

1994 Blue C220
122K miles

Im going to Grad School @ the University of Iowa
Go Hawkeyes!!!