Where can you find an in depth schematic for the vacuum system in a 1977 Mercedes 450sl?

You can find an in-depth schematic for the vacuum system in a 1977 Mercedes 450SL in the vehicle's service manual, which is often available through Mercedes-Benz dealerships or online platforms specializing in classic car manuals. Additionally, automotive forums and websites dedicated to classic Mercedes vehicles may provide diagrams and user-contributed resources. Websites like Mercedes-Benz Club of America or classic car restoration sites can also be valuable sources for detailed schematics.