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Mercedes S550 M278 Bi-Turbo 4.7 V8 Failed Engine Teardown!

8.1K views 9 replies 4 participants last post by  gqmagic  
I don't recall any or certainly not as many reports of V8 engine failure with the M119 or M113 engines.

As I may want to get an S class or another E, how reliable beyond 100k miles are these newer V8 engines?

And which years are the most bulletproof?