AMG Air Filters vs. K&N Air Filters...
Thread Starter
Senior Member
Joined: Mar 2005
Posts: 253
Likes: 1
From: Boston, MA
2009 GL450, 2009 G55 Mocha Black with Cognac Interior, 08 911 Turbo Cab, 08 CLK63 Black Series
AMG Air Filters vs. K&N Air Filters...
Just consulted MB regarding this question as I am coming out of warranty and thought maybe I could "upgrade" in the air filter department too...but I guess I am glad I asked first. It would appear that K&N does have some issues with our cars. Read the email I got from MB:
"Stick with the AMG filters. The K&N filters are cleaned with an oil-based solution. We have found the residual oil that is left on the filters gets into the mass air flow sensor (regulates air/fuel mixture going into engine) and destroys it. The mass air flow sensor goes for about $600.00....not worth risking it."
"Stick with the AMG filters. The K&N filters are cleaned with an oil-based solution. We have found the residual oil that is left on the filters gets into the mass air flow sensor (regulates air/fuel mixture going into engine) and destroys it. The mass air flow sensor goes for about $600.00....not worth risking it."
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Joined: Feb 2005
Posts: 5,761
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From: North Carolina
98 Black C43 , 12’ ML 350 Blutec
Don't be afraid of the K&N'S.I've run them in every vehicle I've owned - my 97' Maxima has 173k on the clock - 140k with the K&N's.As long as you follow the directions when "oiling" I repeat "oiling" you're o.k.Just remember you "oil it" not MARINATE IT.If they were a problem or defective I wouldn't put them in my C43. 
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From: Boston
CLK500/Range Rover HSE/E55 AMG/Bmw 328Xi coupe/BMW 4.8x/Bmw 335i/GS350/Audi S5/E350
NEver listen to the stealership.... they also tell us that we cannot retrofit commands and bi xenon head lights.....
Super Member
Joined: Oct 2005
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From: Northern NJ
E90 N54 & W251
Originally Posted by AMG_55
i used k&n in:
94 e500
99 m3
00 528
03 clk55
no problems........ i do replace them though instead of cleaning/oiling
94 e500
99 m3
00 528
03 clk55
no problems........ i do replace them though instead of cleaning/oiling
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Thread Starter
Senior Member
Joined: Mar 2005
Posts: 253
Likes: 1
From: Boston, MA
2009 GL450, 2009 G55 Mocha Black with Cognac Interior, 08 911 Turbo Cab, 08 CLK63 Black Series
Although I agree that proper oiling would avoid the problem, who would oil them? I too would rather replace then clean with oil. Just not worth leaving it to someone else to do. But the questions is really if anyone here can honestly say it has made a significant difference in their cars performance?
Thanks,
Learso
Thanks,
Learso
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