GL Class (X166) 2013-2015 after facelift became GLS (X166)

Gl450 Oil leak?!

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Old 09-07-2019, 10:27 AM
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2013 GL550, 2013 GL450 (sold), 2010 GL350 (sold)
Gl450 Oil leak?!

Hey guys,
Yesterday me and my indie did a visual inspection on the front suspension and we found that there was oil leaking from the back of the engine on the driver side! We also noticed it was a light white smoke coming from that area as well. It’s leaking onto the exhaust pipe... What is this?
Old 09-07-2019, 10:37 AM
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2017 GLE350 4MATIC
Do you have photos? What did your mechanic suggest? Could be a few things, try some searching on this site:

Rear main seal
https://mbworld.org/forums/gl-class-...-oil-leak.html

PCV valve
https://mbworld.org/forums/gl-class-...-oil-leak.html
Old 09-07-2019, 10:42 AM
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2013 GL550, 2013 GL450 (sold), 2010 GL350 (sold)
I forgot to take pics, but the indies first guess was “valve cover gasket” if that helps. I personally couldn’t find that much on oil leaks for this engine online.

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