Wiring Diagram Cluster

1993 Mercedes Benz 300SL Body Electrical Wiring Diagram

Find body control module wiring, door lock circuits, interior lighting paths, and horn/alarm schematics.

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Matched Diagrams

48

Variant Used

300SL (129.061) L6-3.0L (104.981)

Total Vehicle Diagrams

1743

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Factory Manual Evidence

When there is no clean repair shortcut for this system, drop into the OEM manual sections that usually carry the authoritative test path.

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Diagnostic signal

Codes Often Seen With This System

Use the code cluster when wiring faults overlap with check-engine or module-level diagnostics.

B1318: Battery Voltage Low →
U0140: Lost Communication with Body Control Module

Top Body Electrical Diagram Paths

1.Locks > Keyless Entry — Electrical Diagrams > Infrared Remote Central Locking (RCL) PE80.30-U-2000YABody and FrameOpen2.Locks > Keyless Entry — Electrical Diagrams > Infrared Remote Central Locking (RCL) PE80.30-U-2000YBBody and FrameOpen3.Antitheft and Alarm Systems > Keyless Entry — Electrical Diagrams > Infrared Remote Central Locking (RCL) PE80.30-U-2000YAAccessories and Optional EquipmentOpen4.Antitheft and Alarm Systems > Keyless Entry — Electrical Diagrams > Infrared Remote Central Locking (RCL) PE80.30-U-2000YBAccessories and Optional EquipmentOpen5.Electrical Diagrams > Keyless Entry > Infrared Remote Central Locking (RCL) PE80.30-U-2000YAGeneralOpen6.Electrical Diagrams > Keyless Entry > Infrared Remote Central Locking (RCL) PE80.30-U-2000YBGeneralOpen7.Electrical Diagrams > Lighting and Horns > System Diagram > Interior Lights PE82.20-U-2000YAGeneralOpen8.Electrical Diagrams > Lighting and Horns > System Diagram > Interior Lights PE82.20-U-2000YBGeneralOpen9.Electrical Diagrams > Interior Lights PE82.20-U-2000YALighting and HornsOpen10.Electrical Diagrams > Interior Lights PE82.20-U-2000YBLighting and HornsOpen11.Horn — Diagnostic AidsLighting and HornsOpen12.Horn — Diagram Information and Instructions > Acronyms UsedLighting and HornsOpen13.Horn — Diagram Information and Instructions > Color CodesLighting and HornsOpen14.Horn — Diagram Information and Instructions > Diagram SystemLighting and HornsOpen15.Horn — Diagram Information and Instructions > ExplanationsLighting and HornsOpen16.Horn — Electrical DiagramsLighting and HornsOpen17.Locks — Function Diagram Of Central LockingBody and FrameOpen18.Locks — Function Diagram Of Interior Central LockingBody and FrameOpen19.Locks > Keyless Entry — Diagnostic AidsBody and FrameOpen20.Locks > Keyless Entry — Diagram Information and Instructions > Acronyms UsedBody and FrameOpen21.Locks > Keyless Entry — Diagram Information and Instructions > Color CodesBody and FrameOpen22.Locks > Keyless Entry — Diagram Information and Instructions > Diagram SystemBody and FrameOpen23.Locks > Keyless Entry — Diagram Information and Instructions > ExplanationsBody and FrameOpen24.Antitheft and Alarm Systems > Keyless Entry — Diagnostic AidsAccessories and Optional EquipmentOpen25.Antitheft and Alarm Systems > Keyless Entry — Diagram Information and Instructions > Acronyms UsedAccessories and Optional EquipmentOpen26.Antitheft and Alarm Systems > Keyless Entry — Diagram Information and Instructions > Color CodesAccessories and Optional EquipmentOpen27.Antitheft and Alarm Systems > Keyless Entry — Diagram Information and Instructions > Diagram SystemAccessories and Optional EquipmentOpen28.Antitheft and Alarm Systems > Keyless Entry — Diagram Information and Instructions > ExplanationsAccessories and Optional EquipmentOpen29.Components > By Component Designation > A - D > A26/3 - Trunk Lid IR ReceiverGeneralOpen30.Components > By Component Designation > A - D > A45 - Horn/Airbag Clock Spring ContactGeneralOpen31.Components > By Component Designation > A - D > B24 - Body Acceleration SensorGeneralOpen32.Components > By Component Designation > A - D > B24/3 - Left Front Body Acceleration SensorGeneralOpen33.Components > By Component Designation > A - D > B24/4 - Right Front Body Acceleration SensorGeneralOpen34.Components > By Component Designation > E - K > E18/1 - Trunk LampGeneralOpen35.Components > By Component Designation > E - K > H1 - Two-Tone HornGeneralOpen36.Components > By Component Designation > E - K > H2 - Fanfare HornsGeneralOpen37.Components > By Component Designation > E - K > H3 - Alarm HornGeneralOpen38.Components > By Component Designation > E - K > K39 - Horn Relay ModuleGeneralOpen39.Components > By Component Designation > S - Z > S15 - Remote Trunk Release SwitchGeneralOpen40.Components > By Component Designation > S - Z > S4/2 - Horn SwitchGeneralOpen41.Components > By Component Designation > S - Z > S49 - Trunk Lid Lock ActuatorGeneralOpen42.Components > By Component Designation > S - Z > S88 - Trunk Lid Switch GroupGeneralOpen43.Components > By Component Designation > S - Z > S88/1 - Rotary Tumbler/Trunk Lid SwitchGeneralOpen44.Components > By Component Name > A - D > Alarm Horn - H3GeneralOpen45.Components > By Component Name > A - D > Body Acceleration Sensor - B24GeneralOpen46.Components > By Component Name > A - D > Body Acceleration Sensor, LF - B24/3GeneralOpen47.Components > By Component Name > A - D > Body Acceleration Sensor, RF - B24/4GeneralOpen48.Components > By Component Name > E - K > Fanfare Horns - H2GeneralOpen

Parts & Tools for This Job

Common parts shoppers buy for 1993 Mercedes Benz 300SL Body Electrical.

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Assorted Fuses

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Relays

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Digital Multimeter

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Wire Repair Kit

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1993 Mercedes-Benz 300sl Repair HubExact Vehicle · Backbone

Open the exact vehicle hub for this wiring page to move into repair, manual, and code clusters without leaving the 1993 Mercedes-Benz 300sl context.

Likely Trouble Codes for This System

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B1318: Battery Voltage LowCode

Body/Electrical code commonly seen during body electrical diagnosis.

U0140: Lost Communication with Body Control ModuleCode

Network/Communication code commonly seen during body electrical diagnosis.

More 300SL Wiring Pages

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Same System, Other Vehicles

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