Windows are likely the regulators. Door locks are a separate problem, vacuum related. It will take some time to troubleshoot all of the vacuum leaks. With a MityVac and a few hours time you should be able to clean up all of the leaks at the line connections. Leak at the lock actuators will require new rubbers or new actuators.
'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.