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Looked and... '14 E550 super clunky shifting between D and R, while stopped

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Old Feb 2, 2019 | 08:18 AM
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'14 W212 E550
Question Looked and... '14 E550 super clunky shifting between D and R, while stopped

Hi all,

I've looked and can't find anything conclusive.

I have a W212 '14 E550 4Matic sedan that has had some transmission "issues," see:
https://mbworld.org/forums/e-class-w...50-4matic.html

Now, I've noticed my car very noticeably clunk (sound and physical jarring movement) while shifting from Drive to Park, while the car is stopped with my foot on the foot brake.

I'm not sure if this is a normal trait of the less-than-great 7 speed transmission *or* an actual issue...

Car is due for service in March and will have MB Service look at it but wanted to get some information beforehand.

Thanks,
D.
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Old Feb 3, 2019 | 02:56 PM
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2011 E350
I was initially thinking possible engine or transmission mounts but 14 seems awfully new for that. I get the same sound when shifting Park to Reverse on a cold engine. The very overly exaggerated slope of my driveway doesn't help either.
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Old Feb 3, 2019 | 03:09 PM
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'14 W212 E550
Originally Posted by 2011E350
I was initially thinking possible engine or transmission mounts but 14 seems awfully new for that. I get the same sound when shifting Park to Reverse on a cold engine. The very overly exaggerated slope of my driveway doesn't help either.
Yeah, car isn't very old. My parking spot is pretty flat. This issue I encounter happens when the car is warm too. Given all that's been written about the 7 speed, I feel it's related to that...
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Old Feb 5, 2019 | 10:15 PM
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
While i had many trans issues with my two 14 550's, I never had a drive to reverse clunk

how many miles on your 2014?
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Old Feb 6, 2019 | 07:44 AM
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'14 W212 E550
Originally Posted by PeterUbers
While i had many trans issues with my two 14 550's, I never had a drive to reverse clunk

how many miles on your 2014?
Hey Peters,

My car has about 44,00 miles.

Sidebar because I know we've chatted about this before: I had MB service look into my clunky 2nd-3rd shifts issue, as per your threads. They reset the adaptations and that provided a somewhat noticeable improvement in shifting. I'm not sure if it's 100% better and butter smooth.

Last edited by dmjr; Feb 9, 2019 at 09:08 PM.
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