Mercedes-Benz W126 1981-1991 Workshop Service Repair Manual (pdf format) Models covered : 300SD – 1981-1985 300SDL – 1986-1987 300SE, 300SEL – 1988-1991 350SD - 1991 350SDL – 1990-1991 380SE – 1984-1985 380SEL 1981-1983 380SEC – 1982-1983 420SEL – 1986-1991 500SEL – 1984-1985 500SEC – 1984-1985 560SEL, 560SEC – 1986-1991 Table of contents : Engine Manual Electrical Troubleshooting Manual Maintenance Manual Owner Manual Climate Control Manual Body & Chassis Manual