Mercedes Benz SLK Forum - View Single Post - Oil Seepage from Cam Expansion Plugs

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#20 Old 02-18-2015
Steve D
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Join Date: Dec 2013
Location: NJ
Vehicle: 2005 SLK 350 6-speed
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Originally Posted by adgvpm View Post
I own a 2006 SLK 280 that leaks engine oil if its been sitting too long (over a week) without being driven. I noticed this problem primarily in the cold winter months when I don't operate the vehicle very often. Could this problem be related to the contraction of these plugs?
Doubt it's weather related. Take a flashlight and rub your finger around the bottom of the plugs ... if there's a leak there should be some residual oil on your finger.
That's how I noticed the leak on my 2005 350.

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