C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

resonator removal

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Old 12-14-2006, 08:50 PM
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resonator removal

i went to two muffler shop to remove the resonator....bty i have an 05 230k ss and its my first mb...well both of them tell me that its not the resonator its the secondary cat converter......i look under the car and the pipe goes like this...from manifold to cat converter then pipe, as a curve thats where the second canister is at....then pipe to the muffler...now can you mb pro tell me if thats the resonator or second cat...
Old 12-14-2006, 09:11 PM
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is SOLD
if there's no o2 sensor hooked up it then it is not a cat

Last edited by white_w203; 12-14-2006 at 09:13 PM.
Old 12-14-2006, 09:18 PM
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thats what i told the muffler guy...there no o2 sensor hooked up...but he kept telling me that it is....any idea i can get a diagram for the exhaust so i can show it to him...then maybe hell do it
Old 12-14-2006, 09:35 PM
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excites your girlfriend
i'm not sure anymore... my shop told me its the secondary cat, and alot of people on here say its the resonator.
Old 12-14-2006, 10:03 PM
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2004 C32 ///AMG
take a picture of it
Old 12-14-2006, 10:47 PM
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i will try my 3rd attempt to go to another muffler shop...once its on the lift then i will take a pix of it
Old 12-14-2006, 10:48 PM
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Mine 2005 C230 Kompressor, Dad's 2005 ML350
Far as I know its the 2nd Cat...but I took it out anyway...but the stuff inside it looks like a cat...not any resonator that Ive ever seen...not that Ive seen many
Old 12-14-2006, 11:24 PM
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04 C32
Originally Posted by white_w203
if there's no o2 sensor hooked up it then it is not a cat
not true.
there is no o2 sensor for the secondary cats on my car
Old 12-14-2006, 11:46 PM
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C55 ///AMG, 535xi
I heard that SS have secondary cat and no res.

My 3.2 coupe has manifold, cat, then resonator, then rear silencer.
Old 12-15-2006, 03:47 AM
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06 c230 v6 SS
my 06 had a resonator.. right before the muffler.
Old 12-15-2006, 09:43 AM
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C55 ///AMG, 535xi
Originally Posted by anthuny85
my 06 had a resonator.. right before the muffler.
ant are you sure thats a resonator?? lets do this.

I'll take pics of my resonator, inside outside, and we'll check it out, compare! and solve the problem!!
Old 12-15-2006, 02:00 PM
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i went to the dealer today...they show me the pix of the exhaust and say that its the secondary cat....so i guess thats it for me unless a new exhaust
Old 12-15-2006, 03:17 PM
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06 c230 v6 SS
hmm, i hope they didnt jus remove a cat without telling me its a cat...b/c they kept it...and will i still be able to smog my car?
Old 12-15-2006, 03:23 PM
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excites your girlfriend
maybe this helps?
Old 12-15-2006, 08:40 PM
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hey thanx a lot there is the pix...secondary cat
Old 12-16-2006, 12:27 AM
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2004 C32 ///AMG
yeah thats the second cat
Old 06-08-2008, 09:12 PM
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2016 C63s AMG
Does anyone have pic of a 2005 c230 SS with the secondary cat removed or replaced with a high flow cat?
Old 06-16-2008, 11:01 PM
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2016 C63s AMG
Originally Posted by pugguy2001
Does anyone have pic of a 2005 c230 SS with the secondary cat removed or replaced with a high flow cat?
Anyone?

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