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SL-Class (R230) 2003 -- 2012: Discussion on the SL500, SL550, SL600

Engine Swap M113 to M273

 
Old 05-02-2019, 10:43 AM
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2004 SL500
Engine Swap M113 to M273

Iím wondering what it would take to swap a M113 5.0L for a M273 5.5L. Is it a direct swap or more complicated than that? Has anyone tried it here?

Thanks
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Old 05-02-2019, 10:58 AM
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16 E550 Cab, 2016 GLE63s Coupe
dunno but interesting question.....
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Old 05-02-2019, 10:29 PM
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CURRENT: 2011 SL550, 2010 ML350, FORMER: 2007 CLK550 Cabriolet, 2002 C240, 2001 ML320, 1984 300TD
You'd have to swap almost everything under the hood. You'd need someone who can "hack" the ECU. I'd;just trade cars. It would be much less expensive.
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Old 05-03-2019, 09:31 AM
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use a 722.9, go standalone on everything and be prepared to do a little bit of fabrication!

EZPZ
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Old 05-03-2019, 05:48 PM
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LS swap would be easier than that one. Bore and stroke the 5.0 would probably the cheaper route with less headaches to get more displacemnt.
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