Originally Posted by CHAMPION

I have a 1988 560sl and the a/c starts out working fine but fades away until the blower is not working. It may come back on and it may not. Several years ago I had a similar issue and had it repaired. I have since moved and can't get back to the same shop. If memory serves me correctly he replaced some type of vacuum switch under the hood and it wasn't very expensive.Any help is appreciated...thanks