Again, it is very unlikely to have trouble with the bottom end in a benz motor. The exception is if it was run without or low on oil or if a head gasket failed and put water in the oil in sufficient quantities to ruin the bearings.

I would recommend getting a second opinion.

Tom W

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.