Thanks Steve,
Can it be done with the generic OBDII computer, or dealer only (local dealer here wanted $119 to read a CEL code---and that was after they had me come in for a campaign that didn't include my car, wasting my morning!)?

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2002 C230 Coupe + 2003 C320 4Matic Sport
http://img.photobucket.com/albums/v1.../sigpic5-2.jpg