Wiring Diagram Cluster

2009 Mercedes Benz C 300 Airbag SRS Wiring Diagram

Find airbag module wiring, crash sensor circuits, seatbelt pretensioner paths, and SRS warning light schematics.

Open Exact Vehicle Repair HubOpen Interactive Diagram BrowserBrowse All Wiring Diagrams

Matched Diagrams

48

Variant Used

C 300 (204.054) V6-3.0L (272.947)

Total Vehicle Diagrams

1373

🤖 Stuck on this electrical issue?

Wiring diagrams can be a maze. Ask Manuel, our factory-trained AI mechanic, to analyze this circuit or troubleshoot your specific symptom.

Ask AI Mechanic ➔

From Diagram To Fix

Use this wiring page as the jump point, not the dead end

Open the exact diagram, then move directly into the vehicle hub, the repair most likely tied to this system, or the code cluster that usually shows up with it.

Keep context

Vehicle Repair Hub

Step out of raw diagrams and into the full 2009 Mercedes Benz C 300 hub with repairs, specs, codes, and other systems already tied to this car.

View vehicle repair hub →
2009 Mercedes Benz C 300 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.

2009 Mercedes Benz C 300 External Pages →
2009 Mercedes Benz C 300 External Pages2009 Mercedes Benz C 300 External Pages2009 Mercedes Benz C 300 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.

B0001: Driver Frontal Stage 1 Deployment Control →
B0010: Passenger Frontal Stage 1 Deployment Control

Top Airbag SRS Diagram Paths

1.Function Diagrams > PE91.60-P-2052FAB Electrical Function Schematic, Supplemental Restraint System (SRS)Restraints and Safety SystemsOpen2.Components > Dr - Em > Driver Airbag Squib 1GeneralOpen3.Components > Dr - Em > Driver Airbag Squib 2GeneralOpen4.Components > Dr - Em > Driver Pelvis Airbag SquibGeneralOpen5.Components > Dr - Em > Driver Side Airbag SquibGeneralOpen6.Components > Ox - Po > Passenger Airbag Squib 1, FrontGeneralOpen7.Components > Ox - Po > Passenger Airbag Squib 2, FrontGeneralOpen8.Components > Ox - Po > Passenger Pelvis Airbag Squib, FrontGeneralOpen9.Components > Si - Sw > Side Airbag Ignition Squib, RightGeneralOpen10.Components > Si - Sw > Supplemental Restraint System (SRS) Control Unit Ground PointGeneralOpen11.Components > Tu - 115 > Window Airbag Ignition Squib, LeftGeneralOpen12.Components > Tu - 115 > Window Airbag Ignition Squib, RightGeneralOpen13.Electrical Diagrams > Restraints and Safety Systems > Electrical Diagrams > PE91.60-P-2105FAA Airbag Control UnitGeneralOpen14.Electrical Diagrams > Restraints and Safety Systems > Electrical Diagrams > PE91.60-P-2105FAB Airbag Control UnitGeneralOpen15.Electrical Diagrams > Restraints and Safety Systems > Electrical Diagrams > PE91.60-P-2105ZZZ Wiring Diagram For Airbag Control UnitGeneralOpen16.Electrical Diagrams > Restraints and Safety Systems > Function Diagrams > PE91.60-P-2050ZZZ Function Diagram, Electrical System, ARMADA AirbagGeneralOpen17.Electrical Diagrams > Restraints and Safety Systems > Function Diagrams > PE91.60-P-2052FAB Electrical Function Schematic, Supplemental Restraint System (SRS)GeneralOpen18.Electrical Diagrams > PE91.60-P-2105FAA Airbag Control UnitRestraints and Safety SystemsOpen19.Electrical Diagrams > PE91.60-P-2105FAB Airbag Control UnitRestraints and Safety SystemsOpen20.Electrical Diagrams > PE91.60-P-2105ZZZ Wiring Diagram For Airbag Control UnitRestraints and Safety SystemsOpen21.Function Diagrams > PE91.60-P-2050ZZZ Function Diagram, Electrical System, ARMADA AirbagRestraints and Safety SystemsOpen22.Components > Dr - Em > Driver ETR [GUS] Ignition SquibGeneralOpen23.Components > Dr - Em > Driver Kneebag SquibGeneralOpen24.Components > Dr - Em > Driver NECK-PRO Head Restraint Electrical ConnectorGeneralOpen25.Components > Dr - Em > Driver Pelvis Airbag Electrical ConnectorGeneralOpen26.Components > Dr - Em > Driver Seat Belt Buckle Restraint System SwitchGeneralOpen27.Components > Dr - Em > Driver Seat Head Restraint Adjustment MotorGeneralOpen28.Components > Dr - Em > Driver Seat NECK-PRO Head Restraint SolenoidGeneralOpen29.Components > Dr - Em > Emergency Tensioning Retractor Squib Electrical Connector, Left RearGeneralOpen30.Components > Dr - Em > Emergency Tensioning Retractor Squib Electrical Connector, Right RearGeneralOpen31.Components > Dr - Em > Emergency Tensioning Retractor Squib, Left RearGeneralOpen32.Components > Dr - Em > Emergency Tensioning Retractor Squib, Right RearGeneralOpen33.Components > En - Fu > Fanfare Horns and Airbag Clock Spring ContactGeneralOpen34.Components > Ox - Po > Passenger ETR [GUS] Squib, FrontGeneralOpen35.Components > Ox - Po > Passenger NECK-PRO Head Restraint Electrical Connector, FrontGeneralOpen36.Components > Ox - Po > Passenger Pelvis Airbag Electrical Connector, FrontGeneralOpen37.Components > Ox - Po > Passenger Seat Belt Buckle Restraint System Switch, FrontGeneralOpen38.Components > Ox - Po > Passenger Seat Head Restraint Adjustment Motor, FrontGeneralOpen39.Components > Ox - Po > Passenger Seat NECK-PRO Head Restraint Solenoid, FrontGeneralOpen40.Components > Si - Sw > Side Airbag Sensor, LeftGeneralOpen41.Components > Si - Sw > Side Airbag Sensor, RightGeneralOpen42.Components > Si - Sw > Sidebag Squib, Left RearGeneralOpen43.Components > Si - Sw > Sidebag Squib, Right RearGeneralOpen44.Components > Si - Sw > Supplemental Restraint System Control UnitGeneralOpen45.Electrical Diagrams > Emergency Contact Module > Function Diagrams > PE82.95-P-2063FAA Electrical Function Diagram For Data From Restraint Systems Control Unit, FunctionGeneralOpen46.Electrical Diagrams > Restraints and Safety Systems > Electrical Diagrams > PE91.40-P-2200FAA Reversible Emergency Tensioning RetractorGeneralOpen47.Electrical Diagrams > Restraints and Safety Systems > Electrical Diagrams > PE91.60-P-2102FAA Weight Sensing System (WSS) Control UnitGeneralOpen48.Electrical Diagrams > Restraints and Safety Systems > Function Diagrams > PE91.40-P-2051FAB Electrical Function Schematic, Pre-SafeGeneralOpen

Parts & Tools for This Job

Common parts shoppers buy for 2009 Mercedes Benz C 300 Airbag SRS.

part

Clock Spring

Shop Amazon→

part

Occupancy Sensor

Shop Amazon→

As an Amazon Associate, AllOEMManuals earns from qualifying purchases. Prices and availability may vary.

Exact Vehicle Hub

Browse →
2009 Mercedes-Benz C 300 Repair HubExact Vehicle · Backbone

Open the exact vehicle hub for this wiring page to move into repair, manual, and code clusters without leaving the 2009 Mercedes-Benz C 300 context.

OEM Manual Evidence

Browse →
2009 Mercedes Benz C 300 External PagesOEM Manual

External Pages — 2009 Mercedes Benz CL65 Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Mercedes Benz >>...

2009 Mercedes Benz C 300 External PagesOEM Manual

External Pages — 2009 Mercedes Benz C63 4D Wagon Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Mercedes...

2009 Mercedes Benz C 300 External PagesOEM Manual

External Pages — 2009 Mercedes Benz CLK63 2D Coupe Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Merced...

2009 Mercedes Benz C 300 External PagesOEM Manual

External Pages — 2009 Mercedes Benz CLS550 Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Mercedes Benz...

Likely Trouble Codes for This System

Browse →
B0001: Driver Frontal Stage 1 Deployment ControlCode

Body/Electrical code commonly seen during airbag diagnosis.

B0010: Passenger Frontal Stage 1 Deployment ControlCode

Body/Electrical code commonly seen during airbag diagnosis.

More C 300 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 DiagramEngine Management Wiring DiagramBody Electrical Wiring Diagram

Same System, Other Vehicles

2010 Toyota Matrix AWD Airbag SRS Wiring Diagram2010 Toyota Matrix FWD Airbag SRS Wiring Diagram2010 Toyota Prius Airbag SRS Wiring Diagram2010 Toyota Venza AWD Airbag SRS Wiring Diagram2010 Toyota Venza FWD Airbag SRS Wiring Diagram2012 Toyota Camry Airbag SRS Wiring Diagram2012 Toyota Prius PHV Airbag SRS Wiring Diagram2012 Toyota Prius V Airbag SRS Wiring Diagram
Factory Service Tools

Turn This Into a Confident Next Step

Verify the likely fault first, then compare a quote before you approve expensive work.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Diagnostic ToolsCompare Repair QuoteQuote Shield Pro
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro