Transmission problems on 2004 Mercedes-Benz CLK320

My car will drive great and shift fine at times. Other times it will not move at all.

Asked by for the 2004 Mercedes-Benz CLK320
I would have it diagnose it may be a sensor inside the transmission
2 answers
When it comes to intermittent transmission issues, I would have the diagnostic trouble codes checked and also check to make sure the transmission and engine control modules have the latest software updates.