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    Mercedes Coupes/Sedans/Wagons 1974-1984 Repair Guide

    WIRING DIAGRAMS

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    See Figures 1 through 21



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    Fig. Fig. 1: Common wiring diagram symbols



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    Fig. Fig. 2: Chassis wiring1974-77 230 and 240D; 1974-76 280, 280C and 280S; 1977 280E and 280SE; 1975-77 300D; 1974-75 450SE, 450SEL, 450SL and 450SLC models



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    Fig. Fig. 3: Chassis wiring1974-78 230; 1974-77 240D; 1974-76 280 and 280C; 1977 280E; 1974 280S; 1975-77 300D models (continued)



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    Fig. Fig. 4: Chassis wiring1975-76 280S; 1977 280SE; 1981-84 380SL models (continued)



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    Fig. Fig. 5: Chassis wiring1978 230; 1978-79 240D; 1978-79 280E, 280CE and 280SE; 1978-79 300D, 300CD, 300SD and 300TD; 1976-79 450SE, 450SEL, 450SL, 450SLC and 450 (6.9) models



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    Fig. Fig. 6: Chassis wiring1978-80 280SE; 1978-79 300SD; 1974-77 450SE and 450SEL; 1978-80 450SEL and 450 (6.9); 1974-80 450SL and 450SLC models (continued)



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    Fig. Fig. 7: Chassis wiring1980-83 240D; 1980-81 280E, 280CE and 280SE; 1980-84 300D, 300CD, 300SD and 300TD; 1981-84 380SL; 1980 450SEL, 450SL and 450SLC models



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    Fig. Fig. 8: Chassis wiring1978-83 240D; 1978-81 280E and 280CE; 1978-84 300D, 300CD and 300TD models (continued)



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    Fig. Fig. 9: Chassis wiring1981-84 380SEC and 380SEL; 1983-84 380SE; 1984 500SEC and 500SEL models



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    Fig. Fig. 10: Chassis wiring1980-84 300SD; 1981-84 380SE, 380SEC and 380SEL; 1984 500SEC and 500SEL models (continued)



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    Fig. Fig. 11: Chassis wiring1984 190D and 190E models



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    Fig. Fig. 12: Chassis wiring1984 190D and 190E models (continued)



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    Fig. Fig. 13: Engine wiring1974 450SL and 450SLC models



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    Fig. Fig. 14: Engine wiring1975 300D and 1974-76 240D diesel engines



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    Fig. Fig. 15: Engine wiring1974-76 450SE; 1974-80 450SEL; 1977-79 450 (6.9) models



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    Fig. Fig. 16: Engine wiring1974-78 230; 1974-76 280, 280C and 280S; 1977-79 280E and 280SE; 1978-79 280CE; 1976-80 450SL and 450SLC models



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    Fig. Fig. 17: Engine wiring1976 300D diesel engine



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    Fig. Fig. 18: Engine wiring1977 300D and 240D diesel engines



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    Fig. Fig. 19: Engine wiring1980-81 280E, 280CE and 280SE; 1981-84 380SL, 380SEC and 380SEL; 1983-84 380SE; 1984 500SEC and 500SEL models



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    Fig. Fig. 20: Engine wiring1984 190E model



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    Fig. Fig. 21: Engine wiring1984 190D; 1978-83 240D; 1978-84 300D, 300CD, 300TD and 300SD diesel engines

     
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