The problem of the vacuum door lock system on my 1983 300SD has been solved and fixed. My pump was bad and replaced with a used pump and matching case. No vac. leaks. Cost: $100.
This guy in Falmouth, Ky. has over 600 salvageable MBs. If you need parts(new/used), you might want to contact him: EUROPEAN CONNECTIONS
313 Main St.
To those that wanted the place for turbo parts, that address is;
6931 Navagation Blvd.
P.O. Box 9488
Home of Jif Peanut Butter !!!!!