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- - A/C noise (https://mercedesforum.com/forum/mercedes-e-class-9/c-noise-41856/)

E500ATL

Mar 26, 2010 06:36 AM

A/C noise

At times, there is a whirring noise that sounds like it is coming from the A/C. The noise fluctuates with the engine (higher throttle, more noise and less throttle, less noise). If I turn the A/C off, it stops. Any idea?

chassis221

Mar 26, 2010 08:51 AM

could be a compressor pulley. they commonly make noise and ive replaced a bunch of AC compressor pulleys for that. also the upper idler pulley whines too but will normally always make the noise regardless of the AC on or not.

NAZ	Mar 26, 2010 04:47 PM

wat is it W210 OR W211?????

E500ATL

Mar 27, 2010 12:55 PM

How do I know W210 or W211? It is a 2004 E500.

chassis221

Mar 27, 2010 02:52 PM

210s didnt have a 500s they had 430s so yours is a 211chassis

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