1963 - 1966 230SL. 1968 - 1973 280SEL. 1968 - 1973 280SE Base,4.5. 1968 - 1971 280SL. P/N: B460539 Bilstein B4. Shock Absorber; Rear. Does not have missing parts, hardware or instructions. Has not been installed, used, disassembled or altered in any way.