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Old 04-01-2008, 11:30 AM
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Join Date: Jul 2002
Posts: 13
2005 E55 screeching noise

Help!!! Any advice or suggestions would be appreciated. I took this car in for howling-screeching noise on start up that lasted for 15 seconds. The dealer checked all fluids and finally decided to replace the oil pump. The noise still remains and at 900 rpm it is constant. They are referring to MB techs for assistance. It really sounds terrible. Thanks for any and all assistance.

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Old 04-01-2008, 12:27 PM
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Join Date: Feb 2003
Location: Ontario, Canada
Posts: 3,160
Well, give them a chance to diagnose/correct the problem.
2007 C 230 Sport.
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Old 04-01-2008, 12:53 PM
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
There are issues with the super charger clutches making noises on those cars.
MERCEDES Benz Master Guild Technician (6 TIMES)
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Old 04-01-2008, 01:05 PM
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Join Date: Jul 2002
Posts: 13
Thanks MB DOc

Thanks MB Doc for the suggestion. They have had my car for 7 days and don't know what else to do except wait for MB techs to arrive. At least I have a direction for them to look into. Thanks again!
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Old 04-01-2008, 07:48 PM
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Join Date: Jul 2002
Posts: 13
MB Doc

I talked to the dealer and they said they took off all belts and problem still exists. That's why they replaced the oil pump. They have sent report to MB and are waiting for a reply. Any other suggestions? Thanks1

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