I picked up a 1967 W108 250SE parts car to pull the disc brake rear axle for my W110. Apparently the motor ran when parked, but that was years ago, it still turns over fine. The engine may have been replaced at one time, and it has 280 cast into the head. So I'm not sure if it's the 2.5 or 2.8. I'm looking for $700 for the complete engine with the fuel system. If you make shipping arrangements, I have the ability to strap the engine to a pallet and load it.