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Air filter ..

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Old Oct 8, 2016 | 05:44 PM
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2010 M_B C300 ... Wife drives a 2007 GL450
Air filter ..
Was changing my air intake filters and noticed that there are another set of filters below those .. Didn't think of takin pictures ... Anyone have an idea if what those are for
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Old Oct 10, 2016 | 02:14 PM
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c300 Sport
Really? Are you sure they aren't just mesh screens for catching large debris that might get by the paper filters?
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Old Oct 10, 2016 | 02:53 PM
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2009 C63 AMG, 2010 C250 4Matic Sport
US w204s have an unexplained secondary filter which I think is charcoal or something, possibly for emissions. I don't think it needs changing, and I think it can even be safely removed
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Old Oct 10, 2016 | 03:10 PM
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Factory ordered 2012 MB C350 w/Dynamic Handling Package
https://mbworld.org/forums/c-class-w...-filter-s.html
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Old Oct 10, 2016 | 03:19 PM
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I will take pictures to show what I'm talking bout but that's about rite ... They look like charcoal filters
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Old Oct 10, 2016 | 03:37 PM
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2010 M_B C300 ... Wife drives a 2007 GL450
Dual intake
Attached Thumbnails Air filter ..-20161010_142615.jpg  
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Old Oct 10, 2016 | 03:38 PM
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2010 M_B C300 ... Wife drives a 2007 GL450
Bottom/small filter
Attached Thumbnails Air filter ..-20161010_143348.jpg  
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Old Oct 10, 2016 | 04:13 PM
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Factory ordered 2012 MB C350 w/Dynamic Handling Package
When I discovered mine, did a google search on "charcoal delete", and found that this is NOT just a Mercedes topic, but with all manufacturers makes and models (at least in the US). It is purely for emissions and prevents unwanted fumes from escaping the intake when you shutdown/startup the car.
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Old Oct 10, 2016 | 04:16 PM
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Aahhh .... That's for the quick responses
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Old Oct 10, 2016 | 05:07 PM
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My car doesn't have those secondary filters.
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Old Oct 10, 2016 | 05:13 PM
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2010 M_B C300 ... Wife drives a 2007 GL450
Not sure if it makes a difference but it was imported from Germany
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Old Oct 11, 2016 | 12:22 AM
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Factory ordered 2012 MB C350 w/Dynamic Handling Package
Originally Posted by Crimzon
Not sure if it makes a difference but it was imported from Germany
I doubt it does, regardless, all W204's are imported, either from Germany or South Africa. Only W205s are assembled in America.
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Old Oct 11, 2016 | 10:40 AM
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O ok ... Did not know that .. Thanx
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Old Oct 11, 2016 | 06:25 PM
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2014 C300 4matic Sport Avantgarde
Mine was made in South Africa I believe and doesn't have the charcoal filter deelie thing. I've searched and from what I've gathered it appears to be a California emissions thing. My car was shipped from the factory to KS for it's first owner. I'm guessing the one's going to Cali and other states with stringent emissions standards get this lovely little upgrade. Anyone who's car initially came from California fell free to chime in
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Old Oct 12, 2016 | 01:01 PM
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2012 C350 Sedan
My car came from South Africa and was initially sold in Arizona - no extra filters in the intake system...
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