C32 AMG, C55 AMG (W203) 2001 - 2007

Check you belt!

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Old Apr 2, 2008 | 11:36 PM
  #1  
calimax's Avatar
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RENNtech C32 AMG
Check you belt!

For those of you approaching the 60-70K range in miles and think you need a new S/C bearing, Check you belt!! Mine was getting cracked and I knew I needed to replace it soon, but after a while, I started hearing a ticking noise, coming from a bearing from the supercharger pulley. Even the dealer said it was the clutch that needed to be replaced (really just the bearing). Other mechanics also said the same thing. It started getting louder. I went to change the belt the other day, and to my surprise the belt had two half inch chunks missing from the belt across all the ribs. After installing the belt, the noise was gone! I figured the lack of belt going across the pulley had been making the noise. The biggest bonus was the POWER INCREASE!! Holy Cow, it felt more powerful than when I first got it! I guess all that slipping of the old belt really changed after the new one went on. Just an FYI for those of you approaching the 60-70K on the original belt.
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Old Apr 3, 2008 | 12:14 AM
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LET C32 2002
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Old Apr 3, 2008 | 01:14 AM
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2002 C32 ///AMG
Originally Posted by calimax
For those of you approaching the 60-70K range in miles and think you need a new S/C bearing, Check you belt!! Mine was getting cracked and I knew I needed to replace it soon, but after a while, I started hearing a ticking noise, coming from a bearing from the supercharger pulley. Even the dealer said it was the clutch that needed to be replaced (really just the bearing). Other mechanics also said the same thing. It started getting louder. I went to change the belt the other day, and to my surprise the belt had two half inch chunks missing from the belt across all the ribs. After installing the belt, the noise was gone! I figured the lack of belt going across the pulley had been making the noise. The biggest bonus was the POWER INCREASE!! Holy Cow, it felt more powerful than when I first got it! I guess all that slipping of the old belt really changed after the new one went on. Just an FYI for those of you approaching the 60-70K on the original belt.
I was thinking about doing this as well. I'm turning 60 and thought it would be good PM. I see Autohauz has the belt for $70ish. If you don't mind sharing, what did you get your belt from and at what cost.
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Old Apr 3, 2008 | 01:32 AM
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C32, Cobra, 700hp Vespa
The Goodyear Gatorback belt is very nice. Part number is 4081145. Costs $60. Its quiet, and grips real nice.
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Old Apr 3, 2008 | 02:01 AM
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RENNtech C32 AMG
Originally Posted by hkycoldrct
I was thinking about doing this as well. I'm turning 60 and thought it would be good PM. I see Autohauz has the belt for $70ish. If you don't mind sharing, what did you get your belt from and at what cost.
Autohauz was about $60 for the Continental belt. I tried to stop by and pick one up, but they wouldn't sell me one. They said they were shipping only. Shipping is free for standard ground, but I needed one like yesterday. I stopped by the dealer and picked up one for $71 and it was a Mercedes~Gates belt.
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Old Apr 3, 2008 | 02:04 AM
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From: Peoria, Arizona
RENNtech C32 AMG
Originally Posted by Code3 Performance
The Goodyear Gatorback belt is very nice. Part number is 4081145. Costs $60. Its quiet, and grips real nice.
I thought the gatorback is suppost to be a 4080940 (94in. 8rib)?
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Old Apr 3, 2008 | 02:22 AM
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Thats way too short. The stock C32 belt is 2908mm/114.48in. The Gatorback I listed is 114.5in.
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Old Apr 3, 2008 | 02:28 AM
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From: Peoria, Arizona
RENNtech C32 AMG
Originally Posted by Code3 Performance
Thats way too short. The stock C32 belt is 2908mm/114.48in. The Gatorback I listed is 114.5in.
ah, that would explain all the dismay of getting one. Damn idiots at checkers!, they looked it up for me. Must have been for the c320.
NOBODY EVER LISTENS! ITS A C-32-AMG-SUPERCHARGED-V6!!
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Old Apr 3, 2008 | 01:29 PM
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LET C32 2002
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Originally Posted by Code3 Performance
Thats way too short. The stock C32 belt is 2908mm/114.48in. The Gatorback I listed is 114.5in.
Any online websites you know that sells these?
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Old Apr 3, 2008 | 01:44 PM
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From: Santa Barbara & Los Angeles, CA
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Partsamerica.com

Just type in 4081145 in the search.

http://www.partsamerica.com/ProductD...Number=4081145

$62.99 shipped to a local store. Or pay for shipping to your home.
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Old Apr 3, 2008 | 03:48 PM
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i'm not sure about the gator belts.

with the E55's the gator slip more frequently..

I now have the Gates continous grooves on my car.. and the power delivery is back to smooth power and not as many jerks.

Also bought my Gates belt at Kragen for $40. The belt is alot shorter than the C32 belt.

Brandon: Will you recommend the Gator belt with your clutch pulley?
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Old Apr 3, 2008 | 06:30 PM
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LET C32 2002
Originally Posted by Code3 Performance
Partsamerica.com

Just type in 4081145 in the search.

http://www.partsamerica.com/ProductD...Number=4081145

$62.99 shipped to a local store. Or pay for shipping to your home.
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Old Apr 3, 2008 | 06:31 PM
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LET C32 2002
Question

Originally Posted by TopGun32
i'm not sure about the gator belts.

with the E55's the gator slip more frequently..

I now have the Gates continous grooves on my car.. and the power delivery is back to smooth power and not as many jerks.

Also bought my Gates belt at Kragen for $40. The belt is alot shorter than the C32 belt.

Brandon: Will you recommend the Gator belt with your clutch pulley?
I never heard of Gates...its not Gator you ment right?
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Old Apr 3, 2008 | 07:19 PM
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Originally Posted by c32used
I never heard of Gates...its not Gator you ment right?
Gates is the largest manufacturer of automotive Belts and Hoses in the US. They've been around forever and make a quality product. They produce several different grades of belts/hoses, as do the other manufacturers.

The Goodyear Gatorback belt is also a good quality belt and often used on supercharged applications. I was surprised to hear someone say it slipped on the E55.

I would stand by either of these brands, as well as Dayco, assuming you purchase the high-end version of each brand. Just stay away from the generic/house brands that save a few bucks but are less quality.
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Old Apr 3, 2008 | 09:13 PM
  #15  
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C32
just bought a belt from the dealership this week. $40
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Old Apr 3, 2008 | 09:33 PM
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Originally Posted by mustang281man
just bought a belt from the dealership this week. $40
OEM? my dealer wanted $120 plus $100 for labor

I may go with the Gatorback...is it possible to DIY?
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Old Apr 3, 2008 | 09:56 PM
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The belt takes all of 3 minutes to change.
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Old Apr 4, 2008 | 11:13 AM
  #18  
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Originally Posted by rlee02135
OEM? my dealer wanted $120 plus $100 for labor

I may go with the Gatorback...is it possible to DIY?


**** send me $100 and i will send you a brand new mb belt. yea you can DIY.
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Old Apr 4, 2008 | 11:29 AM
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e55 sc belt specs?

Topgun32, do you know the specs/part number for the e55 sc belt? I totaled my C55 on March 12th, and bought an 03 E55 on March 17th. I would like to replace my sc belt it seems to jerk a little at slow speeds.
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Old Apr 4, 2008 | 01:26 PM
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Originally Posted by reitmeid
Topgun32, do you know the specs/part number for the e55 sc belt? I totaled my C55 on March 12th, and bought an 03 E55 on March 17th. I would like to replace my sc belt it seems to jerk a little at slow speeds.
I don't know.. the stock belt.

I need a bigger belt due to the ASP pulley.

You can search on the E55 forum.. I'm sure they have that info.
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Old Apr 4, 2008 | 01:29 PM
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Originally Posted by JToups386
Gates is the largest manufacturer of automotive Belts and Hoses in the US. They've been around forever and make a quality product. They produce several different grades of belts/hoses, as do the other manufacturers.

The Goodyear Gatorback belt is also a good quality belt and often used on supercharged applications. I was surprised to hear someone say it slipped on the E55.

I would stand by either of these brands, as well as Dayco, assuming you purchase the high-end version of each brand. Just stay away from the generic/house brands that save a few bucks but are less quality.
let me correct my statement...

it was a Dayco belt with the gator style grooves...

maybe that was my problem.

I never did try the Good year Gatorback belt and I cant comment on its grip.

Thanks for the Gates Info.

I bought the Gates belt, but there is also a HD version of the belt.

Not sure the difference, but I will try to get the HD version on my next belt change, around 6 months from now.

For the E55 the belt change is like 30 seconds...

For the C32 it takes a few minutes.
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Old Apr 4, 2008 | 02:36 PM
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Does anyone have a step by step instructions for replacing this belt.

C32used.. the instructions..is it on the Neewbie thread?
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Old Jul 7, 2008 | 05:20 PM
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Originally Posted by Code3 Performance
The Goodyear Gatorback belt is very nice. Part number is 4081145. Costs $60. Its quiet, and grips real nice.
Brandon- this is for the C32? My car is at 60k so I might go ahead and change too. That pulley is NICE. I finally opened it the other day and the difference shocked me.
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Old Jul 7, 2008 | 06:03 PM
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Originally Posted by c32used
Is that for the C32 or the E55??? I am looking for a Gatorback since so many rave about them!!
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Old Jul 7, 2008 | 06:09 PM
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Originally Posted by Newzchspy
Is that for the C32 or the E55??? I am looking for a Gatorback since so many rave about them!!
Gatorback P/N 4081145 is the proper replacement belt for the C32... I have one on mine - it is a nice belt; quiet and smooth.

To answer Tectite's question - you have a picture of your belt's wrap in your owner's manual. Loosen the automatic belt tensioner pulley, which will give you the slack you'll need. IIRC, you'll also need to unscrew the guide pulley near the S/C pulley, so you can thread the belt through. Otherwise, just line everything up properly, retighten, and you're good to go.

Last edited by c32AMG-DTM; Jul 7, 2008 at 06:22 PM.
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