Hello,
First I would like to know where I can buy the necessary software that can understand error codes. Second, what type of machine or computer is needed to "hook up my car" do diagnose problems and codes.
Thanks,

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1973 280 - Sold
1980 300SD - Sold
1982 240D - Stolen
1988 300E - Sold
1989 260E - Sold
1989 560SEL
1994 E420 - Sold
1997 E420
2005 CL500