R63 AMG (W251) 2007 - 2013 Discuss the R63 AMG.

M156 still leaking oil after new valve cover gasket

Old Dec 28, 2019 | 12:05 PM
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Sherman8r44's Avatar
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M156 still leaking oil after new valve cover gasket

Hi all, my R63 was leaking oil at the front of the driver side valve cover. After installing new valve cover gaskets, it is still leaking at the exact same location. Anyone have this issue/any ideas how to remedy??


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Old May 21, 2025 | 12:43 PM
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eocarter's Avatar
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From: Detroit and Killing Hemi's
2011 C63 AMG Eurocharged 93 tune, Agency power headers and Sect 1 mid, innotech ipe sect 2 mids
I had the same problem. You have to make sure that your seal did not roll over and flatten. Also make sure there are no cracks in valve cover in that area. Use a magnifying app on phone to check it closely.
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