Update on Columbia/Mercedes 4000 blown head gasket

[ichudov]

(03-27-2018 )Chamberpains Wrote:  Sounds like I'd be saving some cash and in the mean time figuring out what exactly causes these engines to break head bolts. Then over engineering a more long term fix for all 6 heads at once. To hell with breaking down at any given time.

Is it poor grade of bolt? Improper torquing? To much cylinder pressure?

The repair man said that it is a bad design of these Mercedes engines and they break those bolts. Not sure exactly what could have been done differently, probably they could use more thicker and better bolts.