I brought it to Advance Auto. They pulled the code, and as suspected, "EGR flow". I did a search here and found that these engines seem to plug up the EGR tube. Tomorrow I'll yank it off and see what's up. I'll also pull the EGR valve - its probably crudded up and needs a good cleaning. Hopefully, that will fix the problem. I'll let y'all know what I find.

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Thank You!
Fred
2009 ML350
2004 SL600
2004 SL500
1996 SL600
2002 SLK32
2005 CLK320 cabrio
2003 ML350
1997 C280 Sport