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Old 11-10-2003, 05:41 AM
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Slight Driveline Hum in 95 E320

Over the last several months I've been noticing a slight humming noise that starts around 40mph on up. I know it's not the tires because I replaced the worn out BFG's on it with new conti-extremes last summer, I put those wheels and tires on my wifes car a few weeks ago and installed a new set of Kumho's. The noise is still there.

My first guess is the driveshaft support bearing. Does anyone have any experience replacing these on the 124's and does it usually cause some driveline noise when it's worn out? I just had the front flex disc replaced last year so I know that's good but the support bearing is original so it's got 174k miles on it. Should I start there and just replace it because they're relatively cheap and it's got a ton of miles on it?
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Old 11-10-2003, 09:16 AM
Join Date: Dec 2001
Location: Grand Prairie, Texas
Posts: 123
have you checked the motor mounts...I felt a vibration through the seat when mine were bad
Wayne Jockers
1992 300D
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Old 11-10-2003, 12:53 PM
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Originally posted by wayne2970
have you checked the motor mounts...I felt a vibration through the seat when mine were bad
I haven't yet, but I will. Good idea, thanks!!
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