I just picked up P.A 1.4.0 software of ebay for $24us from china. This will allow you to do your own coding and clearing of fault codes. I turned on a few features that were off and found a few problems that have not yet triggered the cel.

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2009 CLS550
2005 X5
2004 ML350
2002 X5
1998 323ic (sold)
1996 S320 (sold)
1991 190 (sold)
1989 300SE (sold)
1984 SD (sold)
1984 300D (sold)