Vediamo W212

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Idara Viengxay

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Aug 5, 2024, 1:03:50 AM8/5/24

to tighcharlila

Ive decided I'm going to pursue a V8 swap on this in the near future. I've done some light research and it looks like my ideal donor car will be a W212 E550 with the M273 V8. The W212 is based on a stretched W204 chassis and as such they share a lot of parts with the 204 so I think it'll be beneficial to pick one up over a S/GL/ML donor.

With those tires it almost looks like a Forrester's big brother! Is that M273 related to the V6 that they put in there originally? I thought there was some commonality between the 3.5 V6 and the 5.5 V8....

Yeah it'll fit since those big v8's went in there. But, I imagine the m272 would be hard to control with a standalone ECU like megasquirt because of the intake manifold variable runners and swirl flaps. m113 and m116/117 are my first options. But if I find an inline 6 or v6 for a good price I'd be open to that too.

I looked through the coding options in vediamo for the M272 ECU and there wasn't anything for the M273, just different variations of the 272. I think the actual ECU itself doesn't have all of the injector/coil drivers on the board but I'm not positive.

Edit: I actually think the cooling system will be fine. The engine was just tilted forward so it looked like there was less room than there actually is. I bought hoses from a C207 E550 coupe as it's on the same 204 platform as the GLK and it looks like it'll all fit together fine.