According to my wife, one morning she made a right turn at slow speed and certainly the RPM surged up by itself but the car didn't accelerate. It was still in gear as she pressed the gas pedal harder to move to the side but the car would still move slowly with a high RPM. Since then it has not happened again.
I will find a stick to check the level of the transmission fluid tomorrow. The car is a W210 base model with 215k miles on the original trans. I had the trans fluid replaced every 60k mi since new. About 25k mi ago, I also had the automatic transmission conductor plate replaced along with the fluid change.
Any idea what is happening with this car? How long should the conductor plate last? Or is it time for a trans rebuild? Please advise. Thx