The 126 SDLs and SELs all share the same body. The doors are longer on them due to the extra 4-6 inches of leg room for the rear seat passengers.
Again, any 126 SEL/SDL, regardless of engine type or size, will work.
Hope the clarifies it.
'73 280SEL 4.5 (9/72)- RIP
Only 8,173 units built from 5/71 thru 11/72
'02 CLK320 Cabriolet - wifey's mid-life crisis
2012 VW Jetta Sportwagon TDI...at least its a diesel
Non illegitemae carborundum.