Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMERCEDES BENZ2006C350 4MATICREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSELECTRICAL COMPONENT LOCATIONSELECTRICAL COMPONENT LOCATORCONTROL UNITS
2006 Mercedes Benz C350 4Matic
Control Units
2006 Mercedes Benz C350 4MaticSECTION Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| Blower Regulator | On bottom of blower motor. |
| Brake Booster Vacuum Pump Control Module | In front passenger footwell. |
| Central Gateway Control Unit | Under steering column. |
| CTEL (TEL) Interface (Wagon) | At front of cargo area. |
| Distronic Control Module | In front passenger footwell, under front step plate. |
| Driver Front Seat Adjustment Control Module (W/Memory) | Under driver's seat. |
| Electronic Ignition-Starter Switch (EIS) Control Module | Right side of steering column. |
| Electronic Selector Lever Module Control Module | At base of gear shift assembly. |
| Electronic Steering Lock Control Module | On steering column. |
| Emergency Call System Control Unit | Front of cargo area. |
| ESP & BAS Control Module | At left front of engine compartment. |
| ETC (EGS) Control Module | Under right side of dash. |
| Fan Relay Module | In front SAM control module box. |
| Frequency Switchover Control Module | Left side of cargo area. |
| Front Passenger Front Seat Adjustment Control Module (W/Memory) | Under front passenger's seat. |
| Front Passenger Side Door Control Module | In right front door. |
| Front SAM Control Module With Fuse & Relay Module | At left rear of engine compartment. |
| Fuel Pump Relay Module | At left rear of trunk. |
| Left Front Door Control Module | In driver's door. |
| ME-SFI Control Module | At left rear of engine compartment. |
| NECK-PRO Head Restraint Triggering Device (N139) | Under center console. See Figure . |
| Portable Support Electronics (PSE) CTEL Interface Module | At right side of trunk compartment. |
| PTS Control Module | Behind right side of dash. |
| Rear A/C Pushbutton Control Module | Below center console, behind rear nozzle. |
| Rear Blower Motor Control Module | On rear blower motor assembly. |
| Rear Driver-Side Door Control Module | In left rear door. |
| Rear Passenger-Side Door Control Module | In right rear door. |
| Rear SAM Control Module With Fuse & Relay Module | At left side of trunk. |
| Restraint System Control Module | Under front of center console. |
| Roof Control Unit Control Module | In overhead console. |
| SDAR Control Unit (N87/5) | At right rear of trunk. See Figure . |
| Steering Column Module | At top of steering column. |
| Tele Aid (Emergency Call System) & D2B Telephone Transmitter/Receiver Control Module | At front of spare tire well. |
| Throttle Valve Control (M271) | At left side of engine compartment. |
| Traction System Hydraulic Unit | Left side of engine compartment. |
| Universal Portable CTEL Interface (UPCI (UHI]) Control Module | Under cargo floor. |
| Voice Control System Control Module (Wagon) | At front of cargo area. |
| Voice Recognition System (VRS) Control Module | At front of spare tire well. |
| WSS Control Unit (Weight Sensing System) | Under right front seat. |
| WSS (Weight Sensing System) Control Unit | Under right front seat. |
| Xenon Headlight Control Module (Left/Right) | Behind respective headlight. |
| Xenon Headlight Ignition Module (Left/Right) | Behind respective headlight. |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.