MERCEDES-BENZ 220 Engine Modification: Description
Mercedes-Benz 220 engine modification system consists of an RPM switch, an oil temperature switch, an idle fuel cutout valve, a delay switch, a relay box and two switch-over valves, one for ignition changeover and the other for throttle valve lift.
NOTE:
Mercedes-Benz 220 also uses 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.