Dear 00ML320,
Please check out the 8/31/2006 post by JFREEZN. Subject line is "ABS and ETS lights on/ I found the problem/LONG". Should help you go through the troubleshooting procedure.
Ken

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2014 E250 Bluetec 4-Matic
2014 GL350 Bluetec 4-Matic
1996 Chevy Tahoe 4 x 4
2009 ML350 (sold)
2005 SLK350 (sold)
1999 E300 Turbodiesel (sold)
1998 ML320 (sold)
1991 300D 2.5 Turbodiesel (sold)