W211 AMG Discuss the W211 AMG's such as the E55 and the E63

M156 Engine Swap

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Old Mar 26, 2020 | 05:01 PM
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W211 P030 E63 AMG // W204 C63 Coupe
M156 Engine Swap

hey guys, may be toying around the idea of swapping an engine here from a donor car.. My car is an W211 E63, want to put in a lower mileage m156.


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?


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Old Mar 27, 2020 | 05:10 AM
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if you're swapping a M156 from any chassis to your car which has an M156 any mismatched items can be taken from your engine. engine mounts for pretty much most but not all M156 configurations are compatible. W204 will have a different intake y-pipe. the W211 M156 is the higher flow y-pipe. headers will be different.

here are all the chassis's that utilize compatible engine mounts.
https://www.fcpeuro.com/products/mer...538475#fitment
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Last edited by hachiroku; Mar 27, 2020 at 05:13 AM.
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Old Mar 27, 2020 | 10:21 PM
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W211 P030 E63 AMG // W204 C63 Coupe
So a W204 M156 should be compatible minus a few parts that can be taken from my current assembly?

Manifolds, Engine Harness, and Mounts?
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Old Mar 28, 2020 | 02:28 AM
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^^ Correct

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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Old Mar 30, 2020 | 08:55 AM
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Oil pan might be different too.
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Old Mar 30, 2020 | 05:28 PM
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Originally Posted by mertd93
Oil pan might be different too.
Not on the w204. ML yes.
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Old Apr 20, 2020 | 12:36 PM
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Originally Posted by austingtir
^^ Correct

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.
Got it. It's been super difficult tracking down any info. Also even harder to find a decent mileage motor out of a w211/w219 body car
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Old May 22, 2020 | 01:00 PM
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s63
I have an s63 M156 and was sold an M156 engine from a C63 are these parts interchangeable?
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Old May 22, 2020 | 03:04 PM
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what parts? aftermarket parts all fit besides headers I'm guessing
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Old May 22, 2020 | 11:32 PM
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Originally Posted by Bear S63
I have an s63 M156 and was sold an M156 engine from a C63 are these parts interchangeable?
Buy first, ask questions later. Real smart.
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Old May 22, 2020 | 11:52 PM
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Originally Posted by Strigoi
Buy first, ask questions later. Real smart.
It’s the AMG way
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