W211 AMG Discuss the W211 AMG's such as the E55 and the E63
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What's this noise?

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Old 09-29-2017, 03:04 PM
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Non yet :(
What's this noise?


Thanks guys.
Old 09-29-2017, 05:29 PM
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2006 CLS55
sounds like a shot bearing......
does it go away after warming up?
Old 09-29-2017, 06:41 PM
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2003 Mercedes E55 AMG
could be a couple of things .....what comes to mind for me is

failing intercooler pump

bad dual idler pulley mine made a similar sound cause it was missing some of its plastic backing

or alt starting to go bad
Old 09-29-2017, 10:31 PM
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Non yet :(
Thanks for the ideas guys, I'll take a closer look at those things tomorrow.
Old 09-30-2017, 10:55 AM
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My car makes the same noise. I took off the undertrays and ran it. Its the oil pump.
Old 09-30-2017, 03:24 PM
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Wow thats a noisey oil pump if thats true wouldnt run the car again til fixed if ur sure
Old 09-30-2017, 04:08 PM
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I would agree to the intercooler pump first. I just changed out the bearings on the belt wrap kit and pulley set. They didn't last long at all if you have those installed.
Old 10-03-2017, 12:52 PM
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2005- E55, 2007 GL450, 94 B3000
Originally Posted by layzie12g
My car makes the same noise. I took off the undertrays and ran it. Its the oil pump.

This is the closest answer. Usually the oil pump chain tensioner gets weak, and allows the chain to make contact with the front cover. If someone wants this noise repaired you might as well replace the oil pump if you are that far in to the repair.

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