Have Mercedes Questions? Ask a Mechanic for Answers ASAP
HI, my name is***** this problem you should get the car connected to the Mercedes tester to check for any fault codes stored in the engine or transmission control module. Any codes will need to be rectified prior to proceeding. Next step would be to have the transmission adaption values erased and have the transmission shifts readapted. This will usually smooth out the shifts as long as there are no underlying problems with the transmission itself.
Let me know if you have any questions.