Wiring Diagram Cluster

2008 Mercedes Benz C 300 4MATIC 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

C 300 4MATIC (204.081) V6-3.0L (272.948)

Total Vehicle Diagrams

1371

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2008 Mercedes Benz C 300 4MATIC External Pages

OEM source

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.

2008 Mercedes Benz C 300 4MATIC External Pages →
2008 Mercedes Benz C 300 4MATIC External Pages2008 Mercedes Benz C 300 4MATIC External Pages2008 Mercedes Benz C 300 4MATIC External Pages

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.Components > Ta - Tr > Trunk KEYLESS GO AntennaGeneralOpen2.Components > Ta - Tr > Trunk KEYLESS GO Antenna Electrical ConnectorGeneralOpen3.Components > Ta - Tr > Trunk Lid Central Locking MotorGeneralOpen4.Body Control Systems — PE54.21-P-2105FAA Special Vehicle Multifunction Control Unit (SVMCU [MSS])Body and FrameOpen5.Body Control Systems — PE54.21-P-2106FAA Front SAM Control Unit With Fuse And Relay Module (N10/1)Body and FrameOpen6.Body Control Systems — PE54.21-P-2106FAB Front SAM Control Unit With Fuse And Relay Module (N10/1)Body and FrameOpen7.Body Control Systems — PE54.21-P-2106FAC Front SAM Control Unit With Fuse And Relay Module (N10/1)Body and FrameOpen8.Body Control Systems — PE54.21-P-2106FAD Front SAM Control Unit With Fuse And Relay Module (N10/1)Body and FrameOpen9.Body Control Systems — PE54.21-P-2106FAE Front SAM Control Unit With Fuse And Relay Module (N10/1)Body and FrameOpen10.Body Control Systems — PE54.21-P-2106FAF Front SAM Control Unit With Fuse And Relay Module (N10/1)Body and FrameOpen11.Body Control Systems — PE54.21-P-2106FAG Front SAM Control Unit With Fuse And Relay Module (N10/1)Body and FrameOpen12.Body Control Systems — PE54.21-P-2106FAH Front SAM Control Unit With Fuse And Relay Module (N10/1)Body and FrameOpen13.Body Control Systems — PE54.21-P-2106FAI Front SAM Control Unit With Fuse And Relay Module (N10/1)Body and FrameOpen14.Body Control Systems — PE54.21-P-2107FAA Overhead Control Panel (OCP) Control UnitBody and FrameOpen15.Body Control Systems — PE54.21-P-2107FAB Overhead Control Panel (OCP) Control UnitBody and FrameOpen16.Body Control Systems — PE54.21-P-2108FAA Rear SAM Control Unit With Fuse And Relay Module (N10/2)Body and FrameOpen17.Body Control Systems — PE54.21-P-2108FAB Rear SAM Control Unit With Fuse And Relay Module (N10/2)Body and FrameOpen18.Body Control Systems — PE54.21-P-2108FAC Rear SAM Control Unit With Fuse And Relay Module (N10/2)Body and FrameOpen19.Body Control Systems — PE54.21-P-2108FAD Rear SAM Control Unit With Fuse And Relay Module (N10/2)Body and FrameOpen20.Body Control Systems — PE54.21-P-2108FAE Rear SAM Control Unit With Fuse And Relay Module (N10/2)Body and FrameOpen21.Body Control Systems — PE54.21-P-2108FAF Rear SAM Control Unit With Fuse And Relay Module (N10/2)Body and FrameOpen22.Body Control Systems — PE54.21-P-2108FAG Rear SAM Control Unit With Fuse And Relay Module (N10/2)Body and FrameOpen23.Body Control Systems — PE54.21-P-2108FAH Rear SAM Control Unit With Fuse And Relay Module (N10/2)Body and FrameOpen24.Body Control Systems — PE54.21-P-2119FAA Upper Control Panel Control UnitBody and FrameOpen25.Locks — PE80.20-P-2052FAA Electrical Function Schematic For Central Locking, Operation With Transmitter KeyBody and FrameOpen26.Locks — PE80.20-P-2053FAA Electrical Function Schematic For Central Locking With Interior Switch, Locking And UnlockingBody and FrameOpen27.Locks — PE80.45-P-2054FAA Electrical Function Schematic For Convenience Closing Via Keyless GoBody and FrameOpen28.Locks > Keyless Entry — Electrical DiagramsBody and FrameOpen29.Locks > Keyless Entry — Function Diagrams > PE80.61-P-2051FAA Electrical Function Schematic For KEYLESS GO Locking And UnlockingBody and FrameOpen30.Locks > Keyless Entry — Function Diagrams > PE80.61-P-2052FAA Function Schematic For Electric KEYLESS-GO Engine Start/StopBody and FrameOpen31.Antitheft and Alarm Systems > Keyless Entry — Electrical DiagramsAccessories and Optional EquipmentOpen32.Antitheft and Alarm Systems > Keyless Entry — Function Diagrams > PE80.61-P-2051FAA Electrical Function Schematic For KEYLESS GO Locking And UnlockingAccessories and Optional EquipmentOpen33.Antitheft and Alarm Systems > Keyless Entry — Function Diagrams > PE80.61-P-2052FAA Function Schematic For Electric KEYLESS-GO Engine Start/StopAccessories and Optional EquipmentOpen34.Components > Ac - Ba > Antenna Electrical Connector, TrunkGeneralOpen35.Components > DAB - Do > Door Central Locking Interior Switch, Left FrontGeneralOpen36.Components > DAB - Do > Door Central Locking Interior Switch, Right FrontGeneralOpen37.Components > DAB - Do > Door KEYLESS GO Antenna, Left RearGeneralOpen38.Components > DAB - Do > Door KEYLESS GO Antenna, Right RearGeneralOpen39.Components > DAB - Do > Door Lock, Left FrontGeneralOpen40.Components > DAB - Do > Door Lock, Left RearGeneralOpen41.Components > DAB - Do > Door Lock, Right FrontGeneralOpen42.Components > DAB - Do > Door Lock, Right RearGeneralOpen43.Components > Dr - Em > Driver Tailgate Control ButtonGeneralOpen44.Components > En - Fu > Fanfare Horn, LeftGeneralOpen45.Components > En - Fu > Fanfare Horn, RightGeneralOpen46.Components > En - Fu > Fanfare Horns and Airbag Clock Spring ContactGeneralOpen47.Components > Ga - In > Ground / Trunk Right Side WallGeneralOpen48.Components > Ga - In > Interior KEYLESS GO AntennaGeneralOpen

Parts & Tools for This Job

Common parts shoppers buy for 2008 Mercedes Benz C 300 4MATIC Body Electrical.

part

Assorted Fuses

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Relays

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Digital Multimeter

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Wire Repair Kit

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OEM Manual Evidence

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2008 Mercedes Benz C 300 4MATIC External PagesOEM Manual

External Pages — 2008 Mercedes Benz CLS63 Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Mercedes Benz >...

2008 Mercedes Benz C 300 4MATIC External PagesOEM Manual

External Pages — 2008 Mercedes Benz C63 4D Sedan Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Mercedes...

2008 Mercedes Benz C 300 4MATIC External PagesOEM Manual

External Pages — 2008 Mercedes Benz C63 4D Wagon Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Mercedes...

2008 Mercedes Benz C 300 4MATIC External PagesOEM Manual

External Pages — 2008 Mercedes Benz C300 4Matic Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Mercedes...

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 C 300 4MATIC Wiring Pages

Starter Wiring DiagramAlternator Wiring DiagramHeadlight Wiring DiagramABS Brake Wiring DiagramA/C & Heater Wiring DiagramPower Window Wiring DiagramInstrument Cluster Wiring DiagramWiper & Washer Wiring DiagramTransmission Wiring DiagramCruise Control Wiring DiagramAirbag SRS Wiring DiagramEngine Management Wiring Diagram

Same System, Other Vehicles

2010 Toyota Matrix AWD Body Electrical Wiring Diagram2010 Toyota Matrix FWD Body Electrical Wiring Diagram2010 Toyota Prius Body Electrical Wiring Diagram2010 Toyota Venza AWD Body Electrical Wiring Diagram2010 Toyota Venza FWD Body Electrical Wiring Diagram2012 Toyota Camry Body Electrical Wiring Diagram2012 Toyota Prius PHV Body Electrical Wiring Diagram2012 Toyota Prius V Body Electrical Wiring Diagram
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