MERCEDES-BENZ 280 & 280C Engine Modification: Description
Mercedes-Benz 280 and 280C engine modification system consists of the following components: Two RPM switches, one set at 3200 RPM and the other at 2000 RPM. An engine oil temperature switch which operates at 62°F. An engine coolant temperature switch which operates at 212°F. A Transmission oil pressure switch which senses fourth gear operation. A vacuum switch, connected to carburetor, which operates at 5.8 in. Hg. A throttle lift valve which prevents throttle from closing completely under certain operating conditions. Two relay boxes, one with an 8 prong connector and the other with a 12 prong connector. Two switch-over valves, one for ignition switch-over and the other for throttle valve lift control.
NOTE:
Mercedes-Benz 280 and 280C models also use exhaust gas recirculation. Some components of engine modification system are common with exhaust gas recirculation system. For additional information, see appropriate story in this section.