C36 AMG, C43 AMG (W202) 1995 - 2000

K&N air filter is BAD for C43?

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Old 02-16-2006, 08:14 AM
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1999 C43
K&N air filter is BAD for C43?

I just heard that K&N air filter gives trouble with MAF SENSOR(whatever that is). I just bought a couple of those filters for my C43 on EBAY. I am worried about the money I spent now......
Any advices are sincerely appreciated.....

Thank you
Old 02-16-2006, 11:32 AM
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C43/55,2k11 Volvo S60 T6AWD,2k Audi B5 S4,95 Eagle Talon Tsi AWD 500+awhp
Originally Posted by Vardar
I just heard that K&N air filter gives trouble with MAF SENSOR(whatever that is). I just bought a couple of those filters for my C43 on EBAY. I am worried about the money I spent now......
Any advices are sincerely appreciated.....

Thank you
The problem usually only occurs when folks re-oil the K&N filters. My answer is to just throw it out after 25-30k miles and replace it with a new one.Do'nt ever re-oil it. I am using green filters by the way!
Old 02-16-2006, 11:37 AM
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I'm using K&N filters now on my CLK 430, and they have worked just fine. When it's time to "re-oil" them I'll just toss them and get new ones.
Old 02-16-2006, 11:40 AM
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C43/55,2k11 Volvo S60 T6AWD,2k Audi B5 S4,95 Eagle Talon Tsi AWD 500+awhp
Originally Posted by SoCalCLK
I'm using K&N filters now on my CLK 430, and they have worked just fine. When it's time to "re-oil" them I'll just toss them and get new ones.
Old 02-16-2006, 11:57 AM
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I've run K&N's in every vehicle I 've ever owned.I clean & re-oil mine every 6 months wether they need it or not.The problem comes when pepole don't read the supplied instructions and over-oil ( marinate ) the filters and drop them in and head out to the highway and do warp-factor 5 and suck the excess oil into the MAF.No need to discard the filter , read the package ,follow instructions and it will outlast your car.
Old 02-16-2006, 12:59 PM
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so for all of you who have done this "mod", do you notice any real performance gain in the '43? (or CLK430 for that matter)
Old 02-16-2006, 02:24 PM
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98 Black C43 , 08' ML320 CDI ,11 E63
Originally Posted by FLYNAVY
so for all of you who have done this "mod", do you notice any real performance gain in the '43? (or CLK430 for that matter)
I myself can't comment on any difference - reason is because I change the filter out as soon as I take ownership.I am going to look at a 420SEL this weekend and I am taking the K&N with me to change out if I buy it.If I don't it goes back to Pep Boys.
Old 02-16-2006, 03:11 PM
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For me, the engine felt crisper and more responsive. Now when I get on the throttle from a standstill, the engine jumps more and has more response when commanded to accelerate.

Also, the exhuast is a little more throatier, especially when going up hill. You can always switch back if you are not pleased.
Old 02-16-2006, 03:25 PM
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I use green filters in my ML no problem with MAS...clean every 5000 miles when I change the oil...Like C43 said oil it don't marinate it!
Old 02-16-2006, 04:25 PM
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What are the green filters Hanniep?



Originally Posted by hanniep
I use green filters in my ML no problem with MAS...clean every 5000 miles when I change the oil...Like C43 said oil it don't marinate it!
Old 02-16-2006, 07:49 PM
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Originally Posted by SoCalCLK
I'm using K&N filters now on my CLK 430, and they have worked just fine. When it's time to "re-oil" them I'll just toss them and get new ones.
Wow! Must be nice to have money to burn.
Old 02-16-2006, 07:55 PM
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Thumbs up

Agreed....





Originally Posted by StapleGun
Wow! Must be nice to have money to burn.
Old 02-20-2006, 01:47 PM
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So does that mean you are buying your 5th car?
Originally Posted by C43AMG
I am going to look at a 420SEL this weekend and I am taking the K&N with me to change out if I buy it.

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