Quote:
Originally Posted by DslBnz
BTW, if I remember correctly, the new V6 engine is called the M272. Also, I believe the bottom end is virtually identical to the previous M112. Only thing changed is the type of piston rings MB decided to utilize. These new engines seem to have better PCV systems. And they do sound nicer.
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They use different heads since the M112 is a three valve per cylinder design, and the M272 is a 4. M272 is like a more advanced M119 with two cylinders chopped off.