Please be careful about that 5-speed. I found this ad poking around:
1978 MERCEDES BENZ 300D-NO RESERVE-DIESEL-5 SPEED-RARE BARN FIND-ALL ORIGINAL

Same photos, different year, but at least it has the VIN.

__________________
1968 220D, w115, /8, OM615, Automatic transmission.
My 1987 300TD wagon was sold and my 2003 W210 E320 wagon was totaled (sheds tear).