Yes, it is a 126 car. Don't need the whole bumper, just the chrome pieces on top.
I am not 100% sure if an 84 is the same as a 87. FWIW, I also have an 82SD and the chrome looks the same.

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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