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Whining noise coming from Gearbox in Rear Differential

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Old 09-15-2008, 12:28 PM
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Whining noise coming from Gearbox in Rear Differential

Hi all!

I brought my 1990 Mercedes Benz 190E 2.6 to my local mechanic to have the oil changed and to have him check out a whining noise that comes from the rear of the car when driven over 40 mph.

He told me that he believes the sound is coming from the gearbox in the rear differential. He told me I'd have to take it to mercedes to have them check it out more thoroughly and repair it.

I'm just wondering if my mechanic's conclusion makes sense, and if so, how much would something like this cost?

Thanks!
Old 09-27-2008, 09:27 AM
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W164 ML500,SMART For two,1994 C280(5speed manual) 1999 C230k station wagon
Originally Posted by matrixtna
Hi all!

I brought my 1990 Mercedes Benz 190E 2.6 to my local mechanic to have the oil changed and to have him check out a whining noise that comes from the rear of the car when driven over 40 mph.

He told me that he believes the sound is coming from the gearbox in the rear differential. He told me I'd have to take it to mercedes to have them check it out more thoroughly and repair it.

I'm just wondering if my mechanic's conclusion makes sense, and if so, how much would something like this cost?

Thanks!
Oh,,, That may be bad news, sounds like it could be the transmission.
Old 09-29-2008, 07:02 PM
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Its probably your rear differential going out. I had the same whining in my old 190.
-When was the last time you had the diff fluid changed? Tranny fluid?
-Get it changed with synthetic and you may get some extra life out of the differential.
Old 10-05-2008, 09:57 AM
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W164 ML500,SMART For two,1994 C280(5speed manual) 1999 C230k station wagon
Originally Posted by EdzBenz
Its probably your rear differential going out. I had the same whining in my old 190.
-When was the last time you had the diff fluid changed? Tranny fluid?
-Get it changed with synthetic and you may get some extra life out of the differential.
Yeah, that could be but a bad tranny will vibrate thru the drive shaft to the rear end making a high pitched "whining" sound.

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