I'm not sure the bolts and hardware are available, I'm sure the parts guys on Fastlane can tell you for sure, but here is the bushing and sleeve parts. The part is called the control arm bushing.

http://www.allpartsexpress.com/ShopByVehicle.epc?q=1980-MERCEDES--BENZ-300sd--/l5_3.0l_diesel_turbo-Front--End--/--Suspension--Steering&yearid=1980&makeid=MERCEDES+BENZ%40%40MERCEDES+BENZ%40%40X&engineid=1193992%40%40300SD+%2FL5%5F3%2E0L%5FDIESEL%5FTurbo%40%40300SD&catid=Front+End+%2F+Suspension+%26+Steering&subcatid=Front%20Control%20Arm%20Bushing&mode=PA

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