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.
2007 Mercedes Benz C280 BaseFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| Blower Regulator | On bottom of blower motor. See Figure. |
| Front SAM Control Module With Fuse & Relay Module | At left rear of engine compartment. See Figure. |
| ME-SFI Control Module | Top center of engine. |
| Rear SAM Control Module With Fuse & Relay Module | At left side of trunk. See Figure. |
| Restraint System Control Module | Under front of center console. See Figure. |
| Tele Aid (Emergency Call System) & D2B Telephone Transmitter/Receiver Control Module | Left side of cargo area. See Figure. |
| Traction System Hydraulic Unit | Left side of engine compartment. See Figure. |
| Voice Control System Control Module | Left side of cargo area. See Figure. |
| WSS Control Unit (Weight Sensing System) | Under right front seat. See Figure. |
| Xenon Headlight Control Module (Left/Right) | Behind respective headlight. See Figure. |
| Xenon Headlight Ignition Module (Left/Right) | Behind respective headlight. See Figure. |
Factory Service Tools
Use the Manual With the Right Hardware
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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.