Connection diagram of intake manifold - AR09.20-P-1310-01E
WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.
Function diagram of vacuum supply model 124, engine 119.974/975
Function diagram of vacuum supply model 129, engine 119.972
Function diagram of vacuum supply model 140, engine 119.970/971
Function diagram of vacuum supply model 140, engine 119.970/971