We were on the highway ('96 E320 W210, 180K miles) recently when it sounded like something caught on the driveshaft. Like a fast buzzing flapping that was almost certainly something spinning against the transmission tunnel. Lasted about 10 seconds, abruptly ended (with no change in vehicle speed by me), started quieter about a minute later, then regained its original volume then stopped after 15 seconds or so. I looked back, didn't see the plastic bag I expected to see blowing in the road. At the time I thought a walmart bag was twisted around my driveshaft OR the flex disc (we Alfa owners call them "guibos" which I think means "Doughnuts") was failing and spinning off a tendril, so I stopped and looked under but didn't see anything amiss.
No further syptoms after several hours driving.
Has this happened to anyone?
TIA-
Tom

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RIP "Betsy" (Oo=*=oO)
'96 E 3 2 0 (W 2 1 0) M 1 0 4 (Totalled)
Spaces in sig so as not to screw up the SEARCH; every time someone searches for that MB they don't want my sig!

2004 Audi A8L
'98 VW Passat 1.8T 5M
'87 Alfa Romeo Milano 2.5L 5M
'67 Impala convertible, 327cid

One day, while driving my 300SE to my car class, it started buzzing like crazy. I pulled over and waitied for a minute or so. There was no more buzzing sound so I went to the school. During lab, I put the car up on the lift and noticed one of my shifter bushings was missing. So I figured it came off and was ground up in the center bearing area and was ejected out the aft end of the tunnel. I replaced the bushings.

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Regards

Warren

Currently 1965 220Sb, 2002 FORD Crown Vic Police Interceptor

Had 1965 220SEb, 1967 230S, 280SE 4.5, 300SE (W126), 420SEL

ENTER > = (HP RPN)

Not part of the in-crowd since 1952.

Yeah - I had a plastic bag wrap itself around the drive shaft. It made noise for a while. It was bound tight on the shaft and difficult to get off.

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95 E320 Cabriolet, 169K