Sounds like he is describing a series of clicks David, rather than one click. If it is a series of clicks until Park engages, it is possible the parking pawl was damaged. I'll defer to one of the Techs for further diagnosis.
I would be sure to use the hand brake when parking to ensure the car doesn't roll away while you play
'73 280SEL 4.5 (9/72)- RIP
Only 8,173 units built from 5/71 thru 11/72
'02 CLK320 Cabriolet - wifey's mid-life crisis
2012 VW Jetta Sportwagon TDI...at least its a diesel
Non illegitemae carborundum.