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Just removed my charcoal filters

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Old Feb 3, 2010 | 03:17 AM
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REDSRT's Avatar
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From: So. Cal
2007 SRT8 Charger, 09' C63
Just removed my charcoal filters
Car definately feels a lil quicker, sure feels like it gained 5-7 hp and a little more throttle response to boot. So, anybody that hasnt done this DIY mod, i recommend you do it. Took me 15 mins btw.
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Old Feb 3, 2010 | 10:40 AM
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Did mine this past weekend. Very simple to do and NO CEL!!
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Old Feb 3, 2010 | 11:25 AM
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02 CLK 55 AMG,09 C63 loaded with P30
I took mine out last week but the damn CEL came on 5miles later. So I put them back. Maybe because my C63 has the P30 package(delimitd to 174)?
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Old Feb 3, 2010 | 01:09 PM
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'09 C63 AMG
Good mod to do (and I did it months ago ) but I question your "butt dyno" feeling a possible gain of ~ 5WHP on a 451+HP car.
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Old Feb 3, 2010 | 01:26 PM
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Does the charcoal filter delete violate any state emissions laws?
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Old Feb 3, 2010 | 02:24 PM
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'09 C63 AMG
Originally Posted by osubeaver
Does the charcoal filter delete violate any state emissions laws?
No; most cars do not have the charcoal filters. To be honest, I'm really not sure why MB puts them in there in addition to the regular air filters.
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Old Feb 3, 2010 | 03:51 PM
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2009 C63 with Eurocharged tune and charcoal delete
I took mine out too (easy 20 minute job) but I can't honestly say I feel any difference. I assume more air is better (even if we can't feel the difference) but I would be interested to hear from anyone who actually has real facts on if this charcoal filter delete thing has any bad effects on the engine. I assume the MAF sensors adjust the fuel mix to suit the increased airflow, but I'm a little old school and part of me thinks Benz puts those things there for a reason. if it's really just EPA certification crap and there's nothing to worry about, that's great, but I'd like to hear both sides of the story. Anyone?
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Old Feb 3, 2010 | 04:34 PM
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09 Eurocharged C63 AMG
The major improvement you will see is on a real dyno not a "butt dyno" and that is only after your car is tuned so the TB opens up to the normal 87% (All M156 Engines) instead of 60% (C63 M156 Stock) to let increased air flow into the intake manifold.
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Old Feb 3, 2010 | 05:02 PM
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Originally Posted by Jons95c36amg
I took mine out last week but the damn CEL came on 5miles later. So I put them back. Maybe because my C63 has the P30 package(delimitd to 174)?
Nope - I have the P30, took mine out about a week ago, and no CEL! One problem I've read about when taking out the charcoals is that you have to make sure the air filters re-seat properly so there's a firm seal once you've re-installed the airbox uppers.
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Old Feb 3, 2010 | 06:26 PM
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'15 VW GTI
Does the kleeman k1 open the tb to 87 percent?
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Old Feb 3, 2010 | 07:17 PM
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02 CLK 55 AMG,09 C63 loaded with P30
Originally Posted by justthebest
Nope - I have the P30, took mine out about a week ago, and no CEL! One problem I've read about when taking out the charcoals is that you have to make sure the air filters re-seat properly so there's a firm seal once you've re-installed the airbox uppers.
Thats odd I see you have the 2010.
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Old Feb 3, 2010 | 07:53 PM
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From: Japan
c63
Originally Posted by Palladin
I took mine out too (easy 20 minute job) but I can't honestly say I feel any difference. I assume more air is better (even if we can't feel the difference) but I would be interested to hear from anyone who actually has real facts on if this charcoal filter delete thing has any bad effects on the engine. I assume the MAF sensors adjust the fuel mix to suit the increased airflow, but I'm a little old school and part of me thinks Benz puts those things there for a reason. if it's really just EPA certification crap and there's nothing to worry about, that's great, but I'd like to hear both sides of the story. Anyone?
I live in Japan and from stock in Japan it does not have charcoal filter. I heard its for US. So I dont think that its bad for engine. Dealer in Japan was suprised that in US it has charcoal filter. I dont know 100% why in US it has charcoal filter but Im sure that its just for law or something. All the car in Japan works just fine.
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Old Feb 3, 2010 | 09:33 PM
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M156 and LS7
no cel, but after you shut off the engine in a garage, you atucally can smell HC emission from the engine that escape from the intake ports and intake manifold
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Old Feb 3, 2010 | 09:44 PM
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Originally Posted by BFNYM156
no cel, but after you shut off the engine in a garage, you atucally can smell HC emission from the engine that escape from the intake ports and intake manifold
. . . and that's what the charcoal filters were designed to prevent.
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Old Feb 4, 2010 | 12:13 AM
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2007 SRT8 Charger, 09' C63
Originally Posted by sflgator
Good mod to do (and I did it months ago ) but I question your "butt dyno" feeling a possible gain of ~ 5WHP on a 451+HP car.
I have a really sensitive "butt"......no homo. Actaully u do feel every bid of more hp on a 451 hp car because you lose traction even more with added hp. Idk. just of those things u either feel it or dont, and i do.
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Old Feb 4, 2010 | 12:18 AM
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mb
Is that so?...Thanks for the info man...I'll do the mod for sure...
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Old Feb 4, 2010 | 08:55 AM
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'09 C63 AMG
Originally Posted by REDSRT
I have a really sensitive "butt"......no homo. Actaully u do feel every bid of more hp on a 451 hp car because you lose traction even more with added hp. Idk. just of those things u either feel it or dont, and i do.
Maybe it's more difficult for me to "feel" another +5WHP since I have 521HP / 480 lb-ft TQ with my RENNtech ecu flash tune.
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Old Feb 4, 2010 | 09:59 AM
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Is there a DIY thread somewhere?

TIA
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Old Feb 4, 2010 | 10:02 AM
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13 Lamborghini SL, 20 Porsche 911 (sold), 09 C63(sold), Vipers (sold)
Originally Posted by blownS
Is there a DIY thread somewhere?

TIA
Lots of posts on this topic. Just do a search on "charcoal filter" and you will find lots of information and how to's, including pics.....
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Old Feb 6, 2010 | 12:11 AM
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C63 AMG
True
Originally Posted by superlubricity
. . . and that's what the charcoal filters were designed to prevent.
True, that falls under volatile organics (evaporated gasoline) emissions. Filtering out those type of vapors is all the charcoal filters will do. Smart MB, but totally overkill.
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Old May 14, 2010 | 10:35 PM
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08 c200K
Originally Posted by REDSRT
Car definately feels a lil quicker, sure feels like it gained 5-7 hp and a little more throttle response to boot. So, anybody that hasnt done this DIY mod, i recommend you do it. Took me 15 mins btw.
how do u do it? or do u kno wher i can find a DIY guide to removing it? ive got a c200k btw.. i kno i shudnt be on the AMG forum but i couldnt find anything anywher else..

help a felow merc lover out
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Old May 14, 2010 | 10:37 PM
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2011 GLK350, 2010 ML350, 2008 C63 AMG
i took mine off and put in VRP filters... i think i can tell a difference but it could be the aftermarket filters too.
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Old May 15, 2010 | 05:14 AM
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'08 C63 Estate
Does te Euro-Spec C63 has charcoal filters?
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Old May 15, 2010 | 07:05 AM
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2009 C63, 2007 GL 450
No, this is strictly US thing. Euro cars don't have these filters
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Old Sep 8, 2010 | 04:49 PM
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C 63 2008
C 63 Charcoal Filter Delete
Originally Posted by sflgator
Good mod to do (and I did it months ago ) but I question your "butt dyno" feeling a possible gain of ~ 5WHP on a 451+HP car.
Hi I own a 2008 C 63 UK version

and can you please tell me how to check my car Charcoal Filter ?

and how do i remove it ?

Please advice me

Thanks

Daniel
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