C63 AMG (W204) 2008 - 2015
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Oil leaking onto exhaust

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Old Oct 11, 2019 | 05:58 PM
  #1  
Euan Whittaker's Avatar
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C63 estate 2013
Oil leaking onto exhaust

Sorry for the crap pics, bit of an oil leak onto the exhaust - Left hand side.
Anything to worry about or just let it be?
Any common thing known to drip oil in this area that I could check?

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Old Oct 11, 2019 | 06:29 PM
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2016 GTs, 2014 C63 AMG and 2014 C350 Sport (wife's car, she thinks it's an AMG - shhhhhh)
Appears that one of your gaskets has gone bad... shouldn't be oil leaking anywhere.

Probably not an emergency but it will get worse if you don't deal with it eventually.
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Old Oct 11, 2019 | 09:29 PM
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12 C63BS Magno Alanite Grey, 25 X5 Msport, 08 BMW E93, Ducati Hyper 698
Mine leaked exactly there also was the back lower corner of the drivers side valve cover, gasket was bad, cost me 70 bucks from fcpeuro for the gasket, the 4 spark plug hole gaskets and the 13 single use bolts and about 2 hours of my time.
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Old Oct 11, 2019 | 09:33 PM
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Looks like the valve cover gasket easy to replace and relatively cheap
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Old Oct 12, 2019 | 02:51 PM
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I had exactly the same happening to on my engine.

There was a hairline crack in the plastic cam cover and had to replace the cover, cost £135 for new cover and all seals and bolts. So not too bad.
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Old Oct 12, 2019 | 04:23 PM
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Awesome thanks for the helpful replys.
So if I get this kit from fcpeuro it should have it sorted?
https://www.fcpeuro.com/products/mer...ing-0109906704

It looks to include a couple of bits I don't need but their other valve cover gaskets don't include the bolts, are these only supposed to be used once?
See here: https://www.fcpeuro.com/products/mer...ing-1590160121
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Old Oct 12, 2019 | 04:32 PM
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12 C63BS Magno Alanite Grey, 25 X5 Msport, 08 BMW E93, Ducati Hyper 698
Bolts (at least on the newer black plastic covers are single use (not sure on the older metal covers), they have a bushing that crushes a little when torqued.

These are the bolts for the plastic covers.

https://www.fcpeuro.com/products/mer...des-0109906704

I just did the bolts above and the OEM gaskets for the one side that was leaking

https://www.fcpeuro.com/products/mer...mer-1560162121
https://www.fcpeuro.com/products/mer...mer-1590160121
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Old Oct 12, 2019 | 04:55 PM
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Thanks Rob, most helpful

Going to have a crack at this myself, is there anything else a newbie like me needs to know doing this repair? (Such as the bolts are single use - I wouldn't have known that)
Any torque specs on those bolts, or other anything else I should be aware of?
Thanks again
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Old Oct 12, 2019 | 06:23 PM
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12 C63BS Magno Alanite Grey, 25 X5 Msport, 08 BMW E93, Ducati Hyper 698
It's a bit fun, nothing hard, just the couple lower rear botls are tough to get to, works well if you have a 1/4" drive ratchet a few extenstions a universal joint and a small 1/4" torx that fits the bolts, otherwise pretty straight forward. Torque is 8.5 Nm

Last edited by roadkillrob; Oct 12, 2019 at 06:25 PM.
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Old Oct 30, 2019 | 10:01 PM
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C63 estate 2013
So finally got my valve cover off,

It would appear it is cracked at the back and has had a repair.

The valve cover gasket looked pretty good and most of the oil appears to be coming from coil 3, which appeared to have no spark plug gasket what so ever?!

What you guys reckon, new valve cover or let it be? If new, wheres the best place to buy one?

Thanks


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Old Oct 30, 2019 | 10:20 PM
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12 C63BS Magno Alanite Grey, 25 X5 Msport, 08 BMW E93, Ducati Hyper 698
I would replace maybe get a good used one as they are 250 new.
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