I'm pretty sure someone swapped a w126 into a w123. Let me look for the thread before Charlie replies with the link.

Here you go:
Put W126 seats into my W123 - first impressions


Enjoy!!! Google can be your friend.

__________________
daw_two
Germantown, TN

Links:
Sold last car --- 05/2012 1984 300D Light Ivory, Red interior
No longer selling Cluster Needles Paint
No longer selling New Old Stock (NOS) parts

Past:
3/2008 1986 300SDL "Coda"
04/2010 1965 190D(c) "Ben"
& many more