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63 S transmission issue?

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Old Nov 22, 2016 | 10:39 AM
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63 S transmission issue?

This past Saturday I observed something strange with my transmission. It was very slow to shift, very.

It would take its sweet time to go from gear to gear prompting me thing that there is an issue. Almost like a trans limp mode.

This was under mundane city driving


Some more details: car was fully warmed up, and kept repeating the issue even after multiple restarts. Later the car cooled down a bit more and started driving normal.

Car has 20K miles and a vivid racing piggyback for the last 4k miles. I drive the car hard but only once it reaches proper operating temperature, I also let the car cool down after a hot run.
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Old Nov 22, 2016 | 11:40 AM
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2017 c63 Amg s (almost)
Seems like a common factor when it comes to issues with this car is a piggyback. I'd bring the car back to stock and see what happens.

If that doesn't work then it's in to the dealer.
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Old Nov 22, 2016 | 12:36 PM
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The same thing happened to me multiple times,I am not really sure what is causing it but I noticed that it happens when the transmission is warm above 185f or cold below 70f.Its really annoying i usually lift my leg from throttle and rengage slowly most of the time it fixes the problem.

BTW my car is stock
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Old Nov 22, 2016 | 06:21 PM
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AMG GLC63 E-Performance Edition 1
I think the tune might have put the trans into limp mode...
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