power lock, sunroof stop working on 1994 Mercedes-Benz S320

I can no longer use power to lock and unlock doors, trunk and sunroof.Please help.

Asked by for the 1994 Mercedes-Benz S320
Hi, Have you had the problem fixed yet? My car is doing the same thing now also. Thanks
I have the same issue,
1 more answer
vacuum lines and or pump may be the cause