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Old 03-15-2002, 05:25 PM
Posts: n/a
Question Noise in MB300E

Hi there,

I have Mercedes Benz 300E, 86, 200 k miles on it. Today i noticed a buzzing noise coming from the back of the car, around where right rear wheel is, it sounds like a buzz, it is strange that i havent noticed it until now. What can it be?. I am afraid something will be going bad. Thanx for your answers.|
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Old 03-15-2002, 05:37 PM
Ashman's Avatar
Service Advisor
Join Date: Sep 2000
Location: Sherman Oaks, CA
Posts: 4,748
that would be the fuel pump, and buzzing is normal.

Unless it isn't flowing fuel properly, it should be fine from my understanding.

'92 300CE - Sold
2004 C240 - C7 Wheels
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Old 03-16-2002, 07:46 AM
J.HIDALGO's Avatar
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Join Date: Jul 1999
Location: Jax, FL
Posts: 1,785
If it is a LOUD buzzing...

the pump is going out. Start pricing new/remanufactured fuel pumps. Mine was doing the same. I installed a new remanufacture bosch pump. All is quiet now. Good luck!:p
'86 300E
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Old 03-19-2002, 04:09 AM
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Join Date: Mar 2002
Location: Los Angeles
Posts: 31
Do not wait too long. If it is the same as mine, there are two pumps.....figure out which is making the buzz and replace it. Get new copper washers as it is impossible to make them seal once the washers are used....unles you get lucky. Make a search there are many references...Later
Adam Reinosa
91 300E 190K
81 911SC 210K
61 MB 190C 90K - sold...sigh.
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