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.
2000 Mercedes Benz ML55FACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Connectors
CONNECTORS LOCATION
| Component | Component Location |
|---|---|
| X18 (Orange, 28 Pin) | Behind left side of dash. See Figure . |
| X18/1 (Black, 9 Pin) | In liftgate, behind trim. |
| X18/A_B (Black, 16 Pin) | At right front footwell. |
| X18/2(1) (Black, 10 Pin) | In E-Box. |
| X18/2(2) (4 Pin) | In E-Box. |
| X18/2(3) (Black, 6 Pin) | In E-Box. |
| X18/3 (Black, 10 Pin) | Behind right rear tire. |
| X18/5 (Black, 3 Pin) | At left rear of cargo area, under trim. |
| X18/6 (Black, 3 Pin) | At left rear of cargo area, under trim. |
| X18/7 (Black, 9 Pin) | In E-Box. |
| X18/10 (White, 2 Pin) | In E-Box. |
| X18/11 (Black, 2 Pin) | Behind left headlight. |
| X18/18 (3 Pin) | Behind center of dash. |
| X18/23 (Black, 3 Pin) | In E-Box. |
| X18/27 (Black, 8 Pin) | In E-Box. |
| X18/28 (Black, 8 Pin) | In E-Box. |
| X18/29 (Natural, 14 Pin) | In E-Box. |
| X18/31 (Black, 24 Pin) | In E-Box. |
| X18/33 (Black, 3 Pin) | In E-Box. |
| X22 (Black, 16 Pin) | In E-Box. |
| X35/1 (Black, 20 Pin) | At front of left front door. |
| X35/2 (Black, 20 Pin) | At front of right front door. |
| X35/3 (Black, 20 Pin) | At front of left rear door. |
| X35/4 (Black, 20 Pin) | At front of right rear door. |
| X35/27 (Black, 6 Pin) | Behind center of dash. |
| X52 (Black, 16 Pin) | In left rear cargo area, behind trim. |
| X55/3 (Black, 14 Pin) | Under left front door. |
| X55/4 (Black, 14 Pin) | Under right front seat. |
| X58 (13 Pin) | On rear bumper. |
| X85/9 (2 Pin) | In E-Box. |
| X88/17 (Black, 2 Pin) | In E-Box. |
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.