300SD 300SDL 300SE 300SEL 350SD 350SDL 380SE 380SEL 380SEC 420SEL 500SEL 500SEC 560SEL 560SEC

MERCEDES BENZ W126
ELECTRICAL MANUALS

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Mercedes Benz Electrical Troubleshooting Manuals

300SD | 300SDL | 300SE | 300SEL | 350SD | 350SDL | 380SE | 380SEL | 380SEC | 420SEL | 500SEL | 500SEC | 560SEL | 560SEC

1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991 Mercedes Benz 126 Series Service and Repair Manuals.

Mercedes Benz 126 Electrical Troubleshooting Service & Repair Manuals 1979-1991

Mercedes Benz Electrical Schematic Diagrams and Troubleshooting Service and Repair Workshop Manuals.

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Electrical Manuals Troubleshooting, Diagrams
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Includes Full Electrical System Diagrams

Manual comes complete with diagrams describing full functions and troubleshooting. Manual Includes:

  • How to guide for using the electrical troubleshooting manual
  • Electrical system schematic diagram of vehicle circuits
  • Electrical component location tables and photos
  • Fuses and their wiring circuits
  • Wire connectors, switches, and motors
  • Hot labels list when ignition switch supplies power to fuses and components based on ignition switch position
  • Labeling of items that are always supplied power
  • Labeling for powered circuits when ignition is in start and run positions to determine when power is supplied.
  • Wiring inside complicated components is simplified to aid in understanding their electrical operation
  • Transistorized components are labeled as "solid state"
  • Switches and sensors are shown in their off position with notes that describe how switches and components work
  • Power distribution and ground distribution diagrams
  • Battery, alternator, ignition, light switch relation circuit
  • Common fuses and common ground distribution
  • Component names and operation notes

This Manual is the same information used by Mercedes Benz Mechanics. Fix it yourself and Save.

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U.S. Market - Index of Series W126 Mercedes Benz Vehicles

W126 Sedans      
Model Years Built Chassis Engine Produced
260SE 1985-1991 126.020 103.941 20,838
280S 1979-1985 126.021 110.924/926 42,996
280SE 1979-1985 126.022 110.987/989 133,955
280SEL 1979-1985 126.023 110.987/989 20,655
300SE 1985-1991 126.024 103.981 105,422

300SEL

1985-1991 126.025 103.981 40,956
380SE 1979-1985 126.032 116.961/963 58,239
380SEL 1979-1985 126.033 116.961/963 27,014
420SE 1985-1991 126.034 116.965 13,996
420SEL 1985-1991 126.035 116.965 74,017
500SE 1979-1985 126.036 117.961/963 33,418
500SE 1985-1991 126.036 117.965 w/above
500SEL 1979-1985 126.037 117.961/963 72,639
500SEL 1985-1991 126.037 117.965 w/above
560SE 1988-1991 126.038 117.968 1,252
560SEL 1985-1992 126.039 117.968 75,071
300SD 1979-1985 126.120 617.951 78,725
300SDL 1985-1987 126.125 603.961 13,830
350SD 1990-1991 126.134 603.970 2,066
350SDL 1990-1991 126.135 603.970 2,925
C126 Coupes      
Model Years Built Chassis Engine Produced
380SEC 1980-1985 126.043 116.963 11,267
500SEC 1980-1985 126.044 117.963 30,184
500SEC 1985-1991 126.044 117.965 w/above
560SEC 1985-1991 126.045 117.968 28,929
420SEC 1885-1991 126.046 116.965 3,680

Mercedes Benz 126 Cutaway Diagram