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.
2006 Mercedes Benz C350 4MaticFACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Connectors
CONNECTORS LOCATION
| Component | Location |
|---|---|
| X1/16 (1 Pin) | At right "C" pillar. See Figure . |
| X1/19 (2 Pin) | At left "C" pillar. |
| X1/20 (2 Pin) | At left "C" pillar. |
| X1/22 (6 Pin) | At left "C" pillar. |
| X8/18 (1 Pin) | At left side of trunk. |
| X15 (4 Pin) | Under left front of vehicle. |
| X18/23 (3 Pin) | Under roof console. |
| X18/33 (2 Pin) | Left front of engine compartment. See Figure . |
| X18/35 (2 Pin) | Behind right kick panel. See Figure . |
| X18/36 (2 Pin) | Behind right kick panel. See Figure . |
| X18/37 (4 Pin) | At right "C" pillar. |
| X23/11 (2 Pin) | Left side of trunk. |
| X25/4 (6 Pin) | At left "B" pillar. |
| X25/9 (2 Pin) | Above right rear wheelwell. |
| X26/2 (1 Pin) | At left rear of engine compartment. |
| X26/22 (4 Pin) | Behind left kick panel. |
| X28/12 (10 Pin) | Under center console, left of shifter. |
| X28/26 (4 Pin) | On engine hood. |
| X30/4 (2 Pin) | Behind right kick panel. |
| X30/6 (2 Pin) | Under left side of dash. |
| X30/7 (2 Pin) | Behind left kick panel. |
| X30/8 (10 Pin) | Behind right kick panel. |
| X30/12 (1 Pin) | Behind left kick panel. |
| X35/1 (4 Pin) | Behind left kick panel. |
| X35/2 (4 Pin) | Behind right kick panel. See Figure . |
| X35/3 (4 Pin) | At left "B" pillar. |
| X35/4 (4 Pin) | At right "B" pillar. |
| X36/3 (2 Pin) | Under left rear seat. See Figure . |
| X39/36 (4 Pin) | Behind left kick panel. See Figure . |
| X39/43 (14 Pin) | Under right rear seat. See Figure . |
| X39/45 (3 Pin) | Behind right side of glove compartment. See Figure . |
| X39/47 (2 Pin) | Under front of center console. See Figure . |
| X39/48 (6 Pin) | Under center console, left of shifter. |
| X55/3 (4 Pin) | Under left front seat. |
| X55/4 (4 Pin) | Under right front seat. |
| X58/3 (3 Pin) | At right "C" pillar. |
| X62/6 (4 Pin) | In right front wheelwell. |
| X62/7 (4 Pin) | In left front wheelwell. |
| X62/8 (4 Pin) | In trunk, in front of spare tire well. |
| X63/4 (2 Pin) | Behind left kick panel. See Figure . |
| X85/9 (2 Pin) | At left kick panel. |
| X88/7 (2 Pin) | Front of left front wheelwell. |
| X88/11 (2 Pin) | On engine hood. |
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.
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