When did MB begin turbo'in the OM352? I'd be surprised if it was in 1965. If they didn't do it that early, the engine must be a retrofit.
Seems a little expensive given the body condition but if the cab and chassis are salvageable, it might make for a good expedition vehicle. Remove the existing living section and bolt down a good travel trailer on the frame rails. Since it's already been around the world once, it would make for a great rein'car'nation.

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1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13