W108 / 111 coupe / convertible - worth a fortune
W108 / 111 saloon / sedan - worthless (except the 280 se 3.5)


whats the W116 coupe equivilant? was there one?
w116 450 6.9 - worth a bit...

126 500 SEL - worthless (relativly)
126 500 SEC - becoming a collectors car


so -
C140 500 or 600 coupe - will be a collectors car
W140 600 MIGHT be collectable, 500 less so, 280 - scrap / parts car.


just my tuppence (UK $0.02)

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C140 420 CL
W114 280CE pimpmobile
W114 250/8 Hillclimber with M110 and bike carbs - got any hot cams?