C-Class (W204) 2008 - 2014: C180K, C200K, C230, C280, C300, C350, C200CDI, C220CDI, C320CDI

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Old Apr 8, 2021 | 12:47 PM
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Sul
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C class 2.2
Transmission

Hi

I have a w204 automatic, I've been having issues with the gear changes not being as smooth and often the revs appear to jump when accelerating rather roughly. What could be causing this? I had the transmission fluid changed which provided some temporary relief but problem has since returned.

Thanks
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Old Apr 8, 2021 | 02:42 PM
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2012 C300 4MATIC Sport
Originally Posted by Sul
Hi

I have a w204 automatic, I've been having issues with the gear changes not being as smooth and often the revs appear to jump when accelerating rather roughly. What could be causing this? I had the transmission fluid changed which provided some temporary relief but problem has since returned.

Thanks
Welcome to the forums. First of all, let us know what year and engine your car has and how many miles/km it's got. And how many miles/km ago did you change the transmission fluid?
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Old Apr 8, 2021 | 02:47 PM
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C class 2.2
Thanks..its 2009 c220 blue efficient 2.2 diesel.. with 130k miles. The fluid was changed about 4k miles ago
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Old Apr 8, 2021 | 02:55 PM
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2012 C300 4MATIC Sport
Originally Posted by Sul
Thanks..its 2009 c220 blue efficient 2.2 diesel.. with 130k miles. The fluid was changed about 4k miles ago
If there are no check engine light that is on, your next step would be to get the car professionally scanned for error codes to see if the transmission control unit is spitting out any error codes. This will help us diagnose properly rather than throw parts at the car and waste money.
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