Mounts
I followed the instructions (somewhere in this forum) to check the engine mounts and they are fine. Should I change them just the sake of age and high mileage?

most would probably say if it ain't broke....
even if your motor mounts are sound I would wager that the tranny mount is shot- but that one is cheap and an easy r/r
Then for transmission mount, it's URO for $16.
I called the local dealership, engine mounts are $191 per set and tranny mount is $75. If I can get 15% off, I may get them there. I do prefer genuine MB parts.
I think the engine mounts, must not be perfect shape after 172k miles.
Last edited by mis3; Apr 17, 2013 at 11:14 PM.

Preventative maintenance is a good thing but I would not change them until they show symptoms of failure & you can feel some vibration in the car. I've known mounts go a lot further than 170K miles with the M112/722.6 setup. That said a new set of mounts can make the car feel like new if they have deteriorated.
Last edited by Glyn M Ruck; Apr 18, 2013 at 09:04 AM.
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