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: Splices
SPLICES LOCATION
| Component | Component Location |
|---|---|
| Z0/1 | In telephone harness. |
| Z0/2 | In telephone harness. |
| Z3/29a | In engine harness, on top of engine. See Figure . |
| Z3/29b | In engine harness, in E-Box. See Figure . |
| Z7/35a | In engine harness, at top left side of engine. See Figure . |
| Z7/35b | In engine harness, at top left rear side of engine. See Figure . |
| Z7/36 | In engine harness, at top left side of engine. See Figure . |
| Z50/1 | In dash harness, near breakout to instrument cluster. See Figure . |
| Z50/2 | In dash harness, near breakout to A/C control module. See Figure . |
| Z50/5 | In dash harness, between breakouts to parking brake switch & stoplight switch. See Figure . |
| Z50/6 | In dash harness, near breakout to instrument cluster connector. See Figure . |
| Z50/8 | In dash harness, in breakout to starter switch. See Figure . |
| Z50/9 | In dash harness, near breakout to instrument cluster connector. See Figure . |
| Z50/11 | In dash harness, near breakout to instrument cluster connector. See Figure . |
| Z50/12 | In dash harness, between breakouts to parking brake switch & stoplight switch. See Figure . |
| Z50/13 | In dash harness, near breakout to starter switch. See Figure . |
| Z50/14 | In dash harness, near breakout to parking brake switch. See Figure . |
| Z50/17 | In dash harness, near breakout to entrance to E-Box. See Figure . |
| Z50/18 | In dash harness, near breakout to data link connector. |
| Z50/19 | In dash harness, near breakout to parking brake switch. See Figure . |
| Z50/20 | In dash harness, in E-Box. |
| Z50/21 | In dash harness, near breakout to PTC heater relays. See Figure . |
| Z50/22 | In dash harness, near breakout to PTC heater relays. See Figure . |
| Z50/24 | In dash harness, near breakout to PTC heater. See Figure . |
| Z50/26 | In dash harness, near breakout to combination switch. See Figure . |
| Z50/27 | In dash harness, near breakout to combination switch. See Figure . |
| Z50/28 | In dash harness, in E-Box. |
| Z50/29 | In dash harness, near breakout to A/C control module. See Figure . |
| Z50/30 | In dash harness, near breakout to A/C control module. See Figure . |
| Z51/1 | In passenger harness, in breakout to X18. |
| Z51/2 | In passenger harness, in breakout to X18. |
| Z51/3 | In passenger harness, in E-Box. |
| Z51/4 | In passenger harness, in E-Box. |
| Z51/5 | In passenger harness, under front of center console, in breakout to radio & SRS control module. |
| Z51/6 | In passenger harness, under center console, in breakout to center console switch assembly. |
| Z51/7 | In passenger harness, under center console, in breakout to electronic selector lever module control module. |
| Z51/8 | In passenger harness, under right side of dash. |
| Z51/9 | In passenger harness, under left front seat, near breakout to W18. |
| Z51/11 | In passenger harness, under front of center console, in breakout to radio & SRS control module. |
| Z51/12 | In passenger harness, under front of center console, in breakout to radio. |
| Z51/14 | In passenger harness, in E-Box. |
| Z51/15 | In passenger harness, under front of center console, in breakout to radio. |
| Z51/16 | In passenger harness, in breakout to X18. |
| Z52/1 | In passenger harness, under right front seat, near breakout to W19. |
| Z52/2 | In passenger harness, at left rear of vehicle, near breakout to X52. |
| Z52/4 | In passenger harness, under center console, in main harness breakout to left side of vehicle. |
| Z52/5 | In passenger harness, at left rear of vehicle, near breakout to liftgate harness. |
| Z52/6 | In passenger harness, at left rear of vehicle, near breakout to liftgate harness. |
| Z52/7 | In passenger harness, in E-Box. |
| Z52/8 | In passenger harness, under center console, in main breakout to left side of vehicle. |
| Z52/9 | In passenger harness, under center console, in main breakout to left side of vehicle. |
| Z52/11 | In passenger harness, near breakout to X18. |
| Z52/14 | In passenger harness, under center console, in main breakout to left side of vehicle. |
| Z52/15 | In passenger harness, under front of center console, near breakout to radio & SRS control module. |
| Z53/1 | In passenger harness, under center console, in main breakout to left side of vehicle. |
| Z53/2 | In passenger harness, under center console, in main breakout to left side of vehicle. |
| Z53/4 | In passenger harness, at left rear of cargo compartment, near breakout to X52. |
| Z53/5 | In passenger harness, under center console, in main breakout to right side of vehicle. |
| Z53/6 | In passenger harness, at left rear of cargo area, near breakout to X52. |
| Z53/7 | In passenger harness, in breakout to X18. |
| Z53/8 | In passenger harness, under center console, in main breakout to right side of vehicle. |
| Z53/9 | In passenger harness, under center console. |
| Z53/16 | Under right front seat. |
| Z53/17 | In passenger harness, under center console, in main breakout to right side of vehicle. |
| Z53/18 | In passenger harness, in E-Box. |
| Z53/20 | Under front of center console. |
| Z54/1 | In headliner harness, near breakout to right sun visor connector. |
| Z54/2 | In headliner harness, near breakout to right sun visor connector. |
| Z54/3 | In headliner harness, near breakout to rear dome lights. |
| Z54/7 | In headliner harness, near breakout to left sun visor connector. |
| Z54/8 | In headliner harness, near breakout to left sun visor connector. |
| Z54/9 | In headliner harness, in breakout to W7. |
| Z55/1 | In liftgate harness, near breakout to W8. |
| Z55/2 | In liftgate harness, near breakout to liftgate lock motor, rear wiper motor & license plate lights. |
| Z56/1 | Behind left headlight. |
| Z56/4 | Behind left headlight. |
| Z56/5 | Behind left headlight. |
| Z56/6 | Behind left headlight. |
| Z56/7 | At left side of engine compartment, near breakout to horns. |
| Z57/1 | Behind right headlight. |
| Z57/2 | In E-Box. |
| Z57/3 | In right engine harness, near breakout to wiper motor. |
| Z57/7 | In E-Box. |
| Z58/1 | In trailer harness. |
| Z58/8 | In trailer harness. |
| Z59/1 | In door mounted spare wheel harness. |
| Z59/2 | In door mounted spare wheel harness. |
| Z60/4 | In foglight harness. |
| Z60/5 | In foglight harness. |
| Z61/5 | Under center console, near breakout to lower control field control module connector. |
| Z61/6 | Under center console, near breakout to lower control field control module connector. |
Factory Service Tools
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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.