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S-Class (W220) 1999-2006: S 320 CDI, S 320, S430, S 500, S 600

Rattle noise question

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Old Aug 23, 2007 | 05:32 AM
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Silvers430
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2003 S430 4matic
Rattle noise question
I have an 03' S430 4Matic. Resently i noticed a rattleing noise coming from under the car. Seems like it could be the exhaust. This only happens once the engine is warmed up. My first thought is that it could be the catalytic converter but i'm interested to know if anyone has had a similar problem. The noise is not like metal against metal but more muffled sounding. Its not audable at idle, only when you give it some gas and is louder the higher the rpms. Gear selection make no difference.

Also has anyone had a stock wheel crack. I found my front right wheel crached on the inside edge, after it kept loosing air pressure. The dealer would not replace it saying i must have driven too fast over a huge pott hole. I had owned the car for only a month and a half at the time and had been driving it gingerly to say the least. Neadless to say i was a little bit pissed off at the service manager, but he would not budge so it came out of my pocket.

Thanks in advance...
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Old Aug 23, 2007 | 12:21 PM
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From: Weston FL
2007 S550
Hopefully you didn't buy the wheel at the dealer and overpaid 4 it. As for the noise go under the car and tap or hit the catalyctic converter and listen 4 busted pieces of metal ie converter. If no noise, You should look 4 a local shop that specializes in Mbenz. U don't have to run 2 the dealership everytime. Ur talking about big savings.
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Old Aug 23, 2007 | 01:26 PM
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S500
Silver,

i had the same problem...the dealer replaced catlyst and noise disappeared.

i think exhaust has 8/80K warranty.
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Old Aug 23, 2007 | 06:22 PM
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fusion2007
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From: Saint Louis
CLS 63 S AMG , s500,clk550
Originally Posted by ksc
Silver,

i had the same problem...the dealer replaced catlyst and noise disappeared.

i think exhaust has 8/80K warranty.
THAT IS EXACTLY WHAT IT IS!!!!!!I HAD THAT SAME PROBLEM ABOUT A YR AGO THAT WAS IT!!!!!! the bolts around the the shield for the catalac converter. it happens to every s5 now our later because of BENZ problem with RUST
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Old Aug 23, 2007 | 09:14 PM
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2003 S430 4matic
I'll try that thanks. The wheel was welded as a temp fix because i'm still looking for some nice rims for it to replace the stock ones.
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Old Aug 24, 2007 | 04:47 PM
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From: Weston FL
2007 S550
Just take it to a shop in the hood and take out the catalyctic converter and run straight pipes like if it were a mustang
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Old Aug 25, 2007 | 01:55 AM
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From: Saint Louis
CLS 63 S AMG , s500,clk550
Originally Posted by mugsy415
Just take it to a shop in the hood and take out the catalyctic converter and run straight pipes like if it were a mustang
i think thats illegal..it has to be below a certain noise limit.
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Old Aug 25, 2007 | 09:15 AM
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From: Weston FL
2007 S550
Originally Posted by fusion2007
i think thats illegal..it has to be below a certain noise limit.
I know I was just joking. Besides I'm sure there's probably a sensor that would get set off if you run straight pipes with no converter.
P.s. Lots of things are illegal including mods to your MB like tint, certain xenon lights etc.
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Old Aug 25, 2007 | 04:05 PM
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fusion2007
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From: Saint Louis
CLS 63 S AMG , s500,clk550
Originally Posted by mugsy415
I know I was just joking. Besides I'm sure there's probably a sensor that would get set off if you run straight pipes with no converter.
P.s. Lots of things are illegal including mods to your MB like tint, certain xenon lights etc.
true true.. but not all tints are illegal rite?
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Old Aug 26, 2007 | 10:30 AM
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From: Weston FL
2007 S550
Originally Posted by fusion2007
true true.. but not all tints are illegal rite?
If you get tint and its barely noticeable , in my opinion you wasted your money. Most states have like a 50% law, mines have 15% (lower the number, the darker).
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Old Aug 26, 2007 | 07:50 PM
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From: Saint Louis
CLS 63 S AMG , s500,clk550
Originally Posted by mugsy415
If you get tint and its barely noticeable , in my opinion you wasted your money. Most states have like a 50% law, mines have 15% (lower the number, the darker).
yea im lucky though in my state its legal to go as dark as you want in the back but in the front no more then 35 but they didnt pull you over unless ur 10%or below i currently have 35 in front bt im going to put 20 on.. in the back i have 2 layers first is 20 and second is 5.. its ridiculasly dark..i luv it though
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