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Sound under engine

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Old 07-25-2003, 09:05 AM
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1994 Mercedes Benz S 500
Sound under engine

When I start my 94 S500 and put the car in drive, there is a noise a low rumble for about 3 seconds and then it goes away. Any idea on what this could possibly be?
Old 07-27-2003, 07:42 PM
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94 Wagon, 13 ML63
Are the revs dropping too much and then the computer adjusting?
Old 07-28-2003, 11:50 AM
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1994 Mercedes Benz S 500
sound under engine

Not really sure what the revs are. The sounds occurs within 20 seconds of turning the car on and putting the car into gear. That is the only time I hear the noise. It only lasts a few seconds and then goes away. It sounds like a low rumble.
Old 07-28-2003, 05:55 PM
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94 Wagon, 13 ML63
does it occur right when going into gear, or a bit afterwards?
Old 08-08-2003, 01:47 PM
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1994 Mercedes Benz S 500
noise

It occurs withing 5 seconds of putting the car into gear.

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