M-Class (W163) Produced 1998-2005: ML 230, ML 320, ML 350, ML 400 CDI, ML 430, ML 500, ML 270 CDI

Drivetrain Looseness

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Old 04-20-2015, 09:17 AM
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2004 ML350
Drivetrain Looseness

I drove the wife’s 2004 ML350 about a month ago and noticed that there was a little slippage in the drivetrain. Almost like one wheel was spinning a ¼ revolution before the others would move. Today I drove it again and besides the sensation of slippage under initial acceleration I can feel it happening the other way as I near a stop as well. It’s almost as though the drivetrain is not connected tightly to the chassis, or that something in the drivetrain is loose. Imagine a wood block in a small plastic container that gently hits against either side of the container as you first accelerate or come to a stop.

The truck has 63,000 miles on it and aside from terrible brakes has no major issues. The torsion bars were replaced about a year ago and the transmission works fine. The sensation of slipping is only at starts and stops.

Any ideas before I head to the dealer I vowed to never return to with my tail between my legs?
Old 04-20-2015, 11:31 AM
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2003 ML55,2007 ML63
Check your engine & tranny mount's. (2 engine mounts & 1 tranny mount)
Old 04-20-2015, 01:37 PM
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2004 ML350
Originally Posted by art_arev
Check your engine & tranny mount's. (2 engine mounts & 1 tranny mount)

I was hoping it would be that simple. I will take a look. Any idea what they cost to replace?
Old 04-21-2015, 03:28 PM
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2003 ML55,2007 ML63
You must start from the simple things.
About $50-$60 for engine mounts & $70 tranny mount.

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