Carson - thanks, and you got it right on the "why".

So, I have no idea which chassis number. I suppose I should just be a set of each.

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