New Old Stock (NOS), brand new, never installed, ignition distributor vacuum advance for 300SEL 6.3 and 600 model V8 engines. This part is no longer available from Mercedes Benz, as it is obsolete. Located in Poway, CA (Suburban San Diego) Part can be shipped in the USA for $15 or $53 outside the US. Still available, as of July 12, 2025. $150
Mercedes part # 000 158 80 18
Bosch part # 1 237 121 185