M156 Engine Swap

Does the donor engine have to be out of an W211 E/ W219 CLS (to make sure mounts line up)? Or can it be any M156? Such as, out of a w204?
here are all the chassis's that utilize compatible engine mounts.
https://www.fcpeuro.com/products/mer...538475#fitment
Last edited by hachiroku; Mar 27, 2020 at 05:13 AM.


The manifold is the biggest pita as its only like one plug that I think is different. But its a good chance to pull the manifold down and check it for that alloy corrosion problem and paint it or expoxy it if need be.

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