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SL55/63/65/R230 AMG: SL55: Buzzing from the Trunk

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Old 03-04-2012, 10:50 AM
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SL55 AMG
SL55: Buzzing from the Trunk
My early SL55 has developed a buzzing noise from the trunk area when the engine is idling after a period of normal running. It sounds like a cross between a chain saw and a high-revving motorcycle being blipped.

Anyone know what this might be?
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Old 03-09-2012, 10:40 AM
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2008 SL55
Sounds like the fuel pump to me.
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Old 03-10-2012, 01:35 AM
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Yes, I think you are right, there's something called the lifter pump which may be the culprit.
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Old 11-03-2012, 09:35 AM
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1980 SL 450< 2003 SL 55
I have just noticed a buzzing sound from the trunk when I am at a stop sign (idle), and it speeds up a bit once i start going, then seems to dissapear once I get going....is this the fuel pump?

Cheers

paul
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Old 11-13-2012, 08:07 AM
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2015 SL63 AMG
i have the same problem as well can someone help???
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