E-Class (W211) 2003-2009

HELP! E320 CDI SPORT 3.0 V7 7G

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Old 07-19-2018, 06:41 PM
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Mercedes E320 Sport
Question HELP! E320 CDI SPORT 3.0 V7 7G

When starting my 2006 Mercedes e320 3.0 v6 7g it makes a loud clunk noise and goes, then when putting into D their is serious vibrations and noise, neutral there is a minute and reverse is little noise however remains and in park it disappears.

When driving or reving the engine there is no noise in any gears.

Was first diagnosed with gearbox mount, that was put in but no effect.

Could be Engine mount which shows play or heard of propshaft bush failing.
HELP
Any recommendations?

Last edited by Jay1211; 07-19-2018 at 06:43 PM.
Old 07-20-2018, 02:38 PM
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2013 ML350 Bluetec
If you've seen play in your engine mounts, why not start there? Needs to be addressed anyway...
Old 07-20-2018, 02:49 PM
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1922 Ford Model T / no OBD
They hydro motor mounts are hard to diagnose, but if they are old, or you have any doubt about them - replace them.
I just replaced MM on my Bluetec that I replaced 20k miles ago. The difference in height was like 2 mm, but it did make the difference.
Now I need to replace 2nd one.

Last edited by kajtek1; 07-20-2018 at 02:51 PM.
Old 08-09-2018, 09:31 PM
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190 2.3 16v
Hey OP! did you ever find out what was causing this??? i am having the exact same problem on my w211 bluetec and have searched for hours on end to no avail. I am assuming its an engine mount
Old 08-10-2018, 02:33 PM
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2001 E320 Wagon, 2006 LBZ Silverado, 2007 E63 (sold), 2001 E55 (sold)
I doubt it's the engine mounts if the issue disappears when the car is in park. You can still feel blown out engine mounts then.

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