1983 Mercedes Benz W126 is a luxury car and have an excellent driving performance. Mercy W126 have 4-speed manual/automatic transmission. W126 have a 2 choice models: 4-door sedan body design and 2-door coupe. This starting system wiring diagram is powered by battery power source.This wiring diagram is dedicated only for Mercedes-Benz W126 and not suitable for other variants. The parts of 1983 Mercedes Benz W126 Starting System Wiring Diagram: starter lockout, battery, fuel shut-off diaphragm, ignition switch, fuse box, vacuum source, pre-glow system, starter assembly.