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Wiring Diagrams Mercedes-Benz S-class W140 (1991-1998)

34 systems 66 wiring diagrams 1205 components
Contents — 34 systems, 66 diagrams
Air conditioning
Anti-lock brakes
Anti-theft
Computer data lines
Cooling fan
Cruise control
Defoggers
Electronic power steering
Electronic suspension
Engine performance 3.2l
Engine performance 4.2l
Engine performance 5.0l
Exterior lights
Ground distribution
Headlights
Horn
Instrument cluster
Interior lights
Memory systems
Passive restraints
Power antenna
Power distribution
Power door locks
Power mirrors
Power seats
Power top/sunroof
Power windows
Radio
Starting/charging
Supplemental restraints
Transmission
Trunk, tailgate, fuel door
Warning systems
Wiper/washer

Air conditioning

# A/c circuit

# A/c circuit (1 of 2)

Air conditioning — A/c circuit — A/c circuit (1 of 2). Mercedes-Benz S-class W140 (1991-1998)
Components on the diagram

    # A/c circuit (2 of 2)

    Air conditioning — A/c circuit — A/c circuit (2 of 2). Mercedes-Benz S-class W140 (1991-1998)
    Components on the diagram

      # Rear a/c circuit

      Air conditioning — Rear a/c circuit — Rear a/c circuit. Mercedes-Benz S-class W140 (1991-1998)
      Components on the diagram

        Anti-lock brakes

        # Anti-lock brake circuits, with acceleration slip regulation (1 of 2)

        Anti-lock brakes — Anti-lock brake circuits, with acceleration slip regulation (1 of 2) — Anti-lock brake circuits, with acceleration slip regulation (1 of 2). Mercedes-Benz S-class W140 (1991-1998)
        Components on the diagram

          # Anti-lock brake circuits, with acceleration slip regulation (2 of 2)

          Anti-lock brakes — Anti-lock brake circuits, with acceleration slip regulation (2 of 2) — Anti-lock brake circuits, with acceleration slip regulation (2 of 2). Mercedes-Benz S-class W140 (1991-1998)
          Components on the diagram

            # Anti-lock brake circuits, with traction control

            # Anti-lock brake circuits, with traction control (1 of 2)

            Anti-lock brakes — Anti-lock brake circuits, with traction control — Anti-lock brake circuits, with traction control (1 of 2). Mercedes-Benz S-class W140 (1991-1998)
            Components on the diagram

              # Anti-lock brake circuits, with traction control (2 of 2)

              Anti-lock brakes — Anti-lock brake circuits, with traction control — Anti-lock brake circuits, with traction control (2 of 2). Mercedes-Benz S-class W140 (1991-1998)
              Components on the diagram

                Anti-theft

                # Anti-theft circuit

                Anti-theft — Anti-theft circuit — Anti-theft circuit. Mercedes-Benz S-class W140 (1991-1998)
                Components on the diagram

                  Computer data lines

                  # Diagnostic socket circuit

                  Computer data lines — Diagnostic socket circuit — Diagnostic socket circuit. Mercedes-Benz S-class W140 (1991-1998)
                  Components on the diagram

                    # Test connector circuit

                    Computer data lines — Test connector circuit — Test connector circuit. Mercedes-Benz S-class W140 (1991-1998)
                    Components on the diagram

                      Cooling fan

                      # Cooling fan circuit

                      Cooling fan — Cooling fan circuit — Cooling fan circuit. Mercedes-Benz S-class W140 (1991-1998)
                      Components on the diagram

                        Cruise control

                        # Cruise/idle speed control circuit

                        Cruise control — Cruise/idle speed control circuit — Cruise/idle speed control circuit. Mercedes-Benz S-class W140 (1991-1998)
                        Components on the diagram

                          # Electronic accelerator/cruise/idle speed control circuit

                          Cruise control — Electronic accelerator/cruise/idle speed control circuit — Electronic accelerator/cruise/idle speed control circuit. Mercedes-Benz S-class W140 (1991-1998)
                          Components on the diagram

                            Defoggers

                            # Defogger circuit

                            Defoggers — Defogger circuit — Defogger circuit. Mercedes-Benz S-class W140 (1991-1998)
                            Components on the diagram

                              Electronic power steering

                              # Electronic power steering circuit

                              Electronic power steering — Electronic power steering circuit — Electronic power steering circuit. Mercedes-Benz S-class W140 (1991-1998)
                              Components on the diagram

                                Electronic suspension

                                # Electronic suspension circuit

                                Electronic suspension — Electronic suspension circuit — Electronic suspension circuit. Mercedes-Benz S-class W140 (1991-1998)
                                Components on the diagram

                                  Engine performance 3.2l

                                  # Wiring diagram engine performance 3.2ls

                                  # Wiring diagram engine performance 3.2ls (1 of 2)

                                  Engine performance 3.2l — Wiring diagram engine performance 3.2ls — Wiring diagram engine performance 3.2ls (1 of 2). Mercedes-Benz S-class W140 (1991-1998)
                                  Components on the diagram

                                    # Wiring diagram engine performance 3.2ls (2 of 2)

                                    Engine performance 3.2l — Wiring diagram engine performance 3.2ls — Wiring diagram engine performance 3.2ls (2 of 2). Mercedes-Benz S-class W140 (1991-1998)
                                    Components on the diagram

                                      Engine performance 4.2l

                                      # Wiring diagram engine performance 4.2ls

                                      # Wiring diagram engine performance 4.2ls (1 of 3)

                                      Engine performance 4.2l — Wiring diagram engine performance 4.2ls — Wiring diagram engine performance 4.2ls (1 of 3). Mercedes-Benz S-class W140 (1991-1998)
                                      Components on the diagram

                                        # Wiring diagram engine performance 4.2ls (2 of 3)

                                        Engine performance 4.2l — Wiring diagram engine performance 4.2ls — Wiring diagram engine performance 4.2ls (2 of 3). Mercedes-Benz S-class W140 (1991-1998)
                                        Components on the diagram

                                          # Wiring diagram engine performance 4.2ls (3 of 3)

                                          Engine performance 4.2l — Wiring diagram engine performance 4.2ls — Wiring diagram engine performance 4.2ls (3 of 3). Mercedes-Benz S-class W140 (1991-1998)
                                          Components on the diagram

                                            Engine performance 5.0l

                                            # Wiring diagram engine performance 5.0ls

                                            # Wiring diagram engine performance 5.0ls (1 of 3)

                                            Engine performance 5.0l — Wiring diagram engine performance 5.0ls — Wiring diagram engine performance 5.0ls (1 of 3). Mercedes-Benz S-class W140 (1991-1998)
                                            Components on the diagram

                                              # Wiring diagram engine performance 5.0ls (2 of 3)

                                              Engine performance 5.0l — Wiring diagram engine performance 5.0ls — Wiring diagram engine performance 5.0ls (2 of 3). Mercedes-Benz S-class W140 (1991-1998)
                                              Components on the diagram

                                                # Wiring diagram engine performance 5.0ls (3 of 3)

                                                Engine performance 5.0l — Wiring diagram engine performance 5.0ls — Wiring diagram engine performance 5.0ls (3 of 3). Mercedes-Benz S-class W140 (1991-1998)
                                                Components on the diagram

                                                  Exterior lights

                                                  # Back-up lamps circuit, coupe

                                                  Exterior lights — Back-up lamps circuit, coupe — Back-up lamps circuit, coupe. Mercedes-Benz S-class W140 (1991-1998)
                                                  Components on the diagram

                                                    # Back-up lamps circuit, sedan

                                                    Exterior lights — Back-up lamps circuit, sedan — Back-up lamps circuit, sedan. Mercedes-Benz S-class W140 (1991-1998)
                                                    Components on the diagram

                                                      # Exterior lamps circuit, coupe

                                                      Exterior lights — Exterior lamps circuit, coupe — Exterior lamps circuit, coupe. Mercedes-Benz S-class W140 (1991-1998)
                                                      Components on the diagram

                                                        # Exterior lamps circuit, sedan

                                                        Exterior lights — Exterior lamps circuit, sedan — Exterior lamps circuit, sedan. Mercedes-Benz S-class W140 (1991-1998)
                                                        Components on the diagram

                                                          Ground distribution

                                                          # Ground distribution circuit

                                                          Ground distribution — Ground distribution circuit — Ground distribution circuit. Mercedes-Benz S-class W140 (1991-1998)
                                                          Components on the diagram

                                                            Headlights

                                                            # Drl circuit

                                                            Headlights — Drl circuit — Drl circuit. Mercedes-Benz S-class W140 (1991-1998)
                                                            Components on the diagram

                                                              # Headlight circuit, without drl

                                                              Headlights — Headlight circuit, without drl — Headlight circuit, without drl. Mercedes-Benz S-class W140 (1991-1998)
                                                              Components on the diagram

                                                                Horn

                                                                # Horn circuit

                                                                Horn — Horn circuit — Horn circuit. Mercedes-Benz S-class W140 (1991-1998)
                                                                Components on the diagram

                                                                  Instrument cluster

                                                                  # Instrument cluster circuit

                                                                  Instrument cluster — Instrument cluster circuit — Instrument cluster circuit. Mercedes-Benz S-class W140 (1991-1998)
                                                                  Components on the diagram

                                                                    Interior lights

                                                                    # Courtesy lamps circuit

                                                                    Interior lights — Courtesy lamps circuit — Courtesy lamps circuit. Mercedes-Benz S-class W140 (1991-1998)
                                                                    Components on the diagram

                                                                      # Instrument illumination circuit

                                                                      # Instrument illumination circuit (1 of 2)

                                                                      Interior lights — Instrument illumination circuit — Instrument illumination circuit (1 of 2). Mercedes-Benz S-class W140 (1991-1998)
                                                                      Components on the diagram

                                                                        # Instrument illumination circuit (2 of 2)

                                                                        Interior lights — Instrument illumination circuit — Instrument illumination circuit (2 of 2). Mercedes-Benz S-class W140 (1991-1998)
                                                                        Components on the diagram

                                                                          Memory systems

                                                                          # Memory mirrors & telescopic steering circuit

                                                                          Memory systems — Memory mirrors & telescopic steering circuit — Memory mirrors & telescopic steering circuit. Mercedes-Benz S-class W140 (1991-1998)
                                                                          Components on the diagram

                                                                            # Memory seat circuit

                                                                            Memory systems — Memory seat circuit — Memory seat circuit. Mercedes-Benz S-class W140 (1991-1998)
                                                                            Components on the diagram

                                                                              Passive restraints

                                                                              # Seat belt comfort feature circuit

                                                                              Passive restraints — Seat belt comfort feature circuit — Seat belt comfort feature circuit. Mercedes-Benz S-class W140 (1991-1998)
                                                                              Components on the diagram

                                                                                # Seat belt extender circuit

                                                                                Passive restraints — Seat belt extender circuit — Seat belt extender circuit. Mercedes-Benz S-class W140 (1991-1998)
                                                                                Components on the diagram

                                                                                  Power antenna

                                                                                  # Power antenna circuit, with bose audio

                                                                                  Power antenna — Power antenna circuit, with bose audio — Power antenna circuit, with bose audio. Mercedes-Benz S-class W140 (1991-1998)
                                                                                  Components on the diagram

                                                                                    # Power antenna circuit, with cellular telephone

                                                                                    Power antenna — Power antenna circuit, with cellular telephone — Power antenna circuit, with cellular telephone. Mercedes-Benz S-class W140 (1991-1998)
                                                                                    Components on the diagram

                                                                                      # Power antenna circuit, without cellular telephone or bose audio

                                                                                      Power antenna — Power antenna circuit, without cellular telephone or bose audio — Power antenna circuit, without cellular telephone or bose audio. Mercedes-Benz S-class W140 (1991-1998)
                                                                                      Components on the diagram

                                                                                        Power distribution

                                                                                        # Power distribution circuit

                                                                                        # Power distribution circuit (1 of 2)

                                                                                        Power distribution — Power distribution circuit — Power distribution circuit (1 of 2). Mercedes-Benz S-class W140 (1991-1998)
                                                                                        Components on the diagram

                                                                                          # Power distribution circuit (2 of 2)

                                                                                          Power distribution — Power distribution circuit — Power distribution circuit (2 of 2). Mercedes-Benz S-class W140 (1991-1998)
                                                                                          Components on the diagram

                                                                                            Power door locks

                                                                                            # Central locking circuit

                                                                                            Power door locks — Central locking circuit — Central locking circuit. Mercedes-Benz S-class W140 (1991-1998)
                                                                                            Components on the diagram

                                                                                              # Infrared central locking circuit

                                                                                              Power door locks — Infrared central locking circuit — Infrared central locking circuit. Mercedes-Benz S-class W140 (1991-1998)
                                                                                              Components on the diagram

                                                                                                Power mirrors

                                                                                                # Automatic day/night mirror circuit

                                                                                                Power mirrors — Automatic day/night mirror circuit — Automatic day/night mirror circuit. Mercedes-Benz S-class W140 (1991-1998)
                                                                                                Components on the diagram

                                                                                                  Power seats

                                                                                                  # Front seat heater circuit

                                                                                                  Power seats — Front seat heater circuit — Front seat heater circuit. Mercedes-Benz S-class W140 (1991-1998)
                                                                                                  Components on the diagram

                                                                                                    # Rear head restraint circuit, coupe

                                                                                                    Power seats — Rear head restraint circuit, coupe — Rear head restraint circuit, coupe. Mercedes-Benz S-class W140 (1991-1998)
                                                                                                    Components on the diagram

                                                                                                      # Rear power seat circuit, with four place seating

                                                                                                      Power seats — Rear power seat circuit, with four place seating — Rear power seat circuit, with four place seating. Mercedes-Benz S-class W140 (1991-1998)
                                                                                                      Components on the diagram

                                                                                                        # Rear power seat circuit, with rear bench seat

                                                                                                        Power seats — Rear power seat circuit, with rear bench seat — Rear power seat circuit, with rear bench seat. Mercedes-Benz S-class W140 (1991-1998)
                                                                                                        Components on the diagram

                                                                                                          # Rear seat heater circuit

                                                                                                          Power seats — Rear seat heater circuit — Rear seat heater circuit. Mercedes-Benz S-class W140 (1991-1998)
                                                                                                          Components on the diagram

                                                                                                            Power top/sunroof

                                                                                                            # Power top/sunroof circuits

                                                                                                            Power top/sunroof — Power top/sunroof circuits — Power top/sunroof circuits. Mercedes-Benz S-class W140 (1991-1998)
                                                                                                            Components on the diagram

                                                                                                              Power windows

                                                                                                              # Power windows circuit

                                                                                                              Power windows — Power windows circuit — Power windows circuit. Mercedes-Benz S-class W140 (1991-1998)
                                                                                                              Components on the diagram

                                                                                                                # Rear window sun shade circuit

                                                                                                                Power windows — Rear window sun shade circuit — Rear window sun shade circuit. Mercedes-Benz S-class W140 (1991-1998)
                                                                                                                Components on the diagram

                                                                                                                  Radio

                                                                                                                  # Radio circuits

                                                                                                                  Radio — Radio circuits — Radio circuits. Mercedes-Benz S-class W140 (1991-1998)
                                                                                                                  Components on the diagram

                                                                                                                    Starting/charging

                                                                                                                    # Charging circuit

                                                                                                                    Starting/charging — Charging circuit — Charging circuit. Mercedes-Benz S-class W140 (1991-1998)
                                                                                                                    Components on the diagram

                                                                                                                      # Starting circuit

                                                                                                                      Starting/charging — Starting circuit — Starting circuit. Mercedes-Benz S-class W140 (1991-1998)
                                                                                                                      Components on the diagram

                                                                                                                        Supplemental restraints

                                                                                                                        # Supplemental restraint circuit

                                                                                                                        Supplemental restraints — Supplemental restraint circuit — Supplemental restraint circuit. Mercedes-Benz S-class W140 (1991-1998)
                                                                                                                        Components on the diagram

                                                                                                                          Transmission

                                                                                                                          # Transmission circuit

                                                                                                                          Transmission — Transmission circuit — Transmission circuit. Mercedes-Benz S-class W140 (1991-1998)
                                                                                                                          Components on the diagram

                                                                                                                            Trunk, tailgate, fuel door

                                                                                                                            # Door closing assist circuit

                                                                                                                            Trunk, tailgate, fuel door — Door closing assist circuit — Door closing assist circuit. Mercedes-Benz S-class W140 (1991-1998)
                                                                                                                            Components on the diagram

                                                                                                                              Warning systems

                                                                                                                              # Warning system circuits

                                                                                                                              Warning systems — Warning system circuits — Warning system circuits. Mercedes-Benz S-class W140 (1991-1998)
                                                                                                                              Components on the diagram

                                                                                                                                Wiper/washer

                                                                                                                                # Front wiper/washer circuit

                                                                                                                                Wiper/washer — Front wiper/washer circuit — Front wiper/washer circuit. Mercedes-Benz S-class W140 (1991-1998)
                                                                                                                                Components on the diagram

                                                                                                                                  # Headlamp wiper/washer circuit

                                                                                                                                  Wiper/washer — Headlamp wiper/washer circuit — Headlamp wiper/washer circuit. Mercedes-Benz S-class W140 (1991-1998)
                                                                                                                                  Components on the diagram

                                                                                                                                    # Heated windshield washer circuit

                                                                                                                                    Wiper/washer — Heated windshield washer circuit — Heated windshield washer circuit. Mercedes-Benz S-class W140 (1991-1998)
                                                                                                                                    Components on the diagram