Not the side pieces, and the wind defector works ok. This is a seal that is at the back of the opening. It looks like it just slides on somehow, but I can't figure it out. It would help if someone could post an parts explosion of the sliding roof.

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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