The 2.3L 6 was the biggest motor used in a w110. The 617 will likely fit
into any of the post '63 models.
Don't forget to match the front coil-rate and final-drive ratio to the
motors weight and output.
My friend is a benz mechanic with 30 years experience (has a w110 and 5 other
old benzes) and says the OM617 is no problem for the
w110, but then this is a guy that adds fuel injection and computer control
modules to 50 year old engines :-)
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