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Oil moisture around oil cooler – need opinions (C63 AMG S – M177)

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Old Sep 30, 2025 | 08:41 PM
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renzoh28's Avatar
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2017 C63S AMG
Oil moisture around oil cooler – need opinions (C63 AMG S – M177)
Hi everyone,



I noticed some oil moisture around the oil cooler on my 2017 C63 AMG S (M177) with about 22,000 miles. I’m attaching a video below so you can see what it looks like.



Please give me your opinion on it.



Thanks.
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Old Oct 1, 2025 | 10:29 AM
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My opinion is that it is a leak. Oil shouldn't be escaping from anywhere on or around your engine... it's a closed loop system.
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