Transmission Line - Straight (8 1/2 inch) for 230 (1968-1978), 280 (1974-1976), 190E (1985-1993), 240D (1974-1983), 280C (1974-1976), 280CE (1978-1981), 280E (1977-1981), 280S (1968-1976), 280SE (1968-1980), 300CD (1978-1985), 300D (1975-1985), 220 (1968-1973), 220D (1968-1973), 250C (1970-1972), 280SEL (1968-1971), 300SEL (1968-1969), 350SL (1972), 450SE (1973-1976), 450SEL (1973-1980), 450SL (1973-1980), 450SLC (1973-1980), 250 (1971-1972), 560SEC (1986-1991), 560SEL (1986-1991), 560SL (1986-1989), E430 (2000-2002), 300SD (1978-1985), 300SDL (1986-1987), 300TD (1979-1985), 350SD (1991), 350SDL (1990-1991), 380SE (1984-1985), 380SEC (1982-1983), 380SEL (1981-1983), 380SL (1981-1985), 380SLC (1981), 420SEL (1986-1991), 500SEC (1984-1985), 500SEL (1984-1985)