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.
2002 Mercedes Benz S430FACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Splices
SPLICES LOCATION
| Component | Location |
|---|---|
| Z3 | Behind center of dash. |
| Z3/4 | Behind center of dash. |
| Z3/12 | Under right rear seat. |
| Z3/26 | Right rear door sill. |
| Z3/29 (1) | Left rear of engine compartment. |
| Z3/29 (2) | Right rear of engine compartment. |
| Z4/1 | Right rear interior compartment. |
| Z4/3 (1) | Behind center of dash. |
| Z4/4 | Right front door sill. |
| Z6 | Behind center of dash. |
| Z6/1 | Right rear interior compartment. |
| Z6/1 (1) | Right side of trunk. |
| Z6/16 | Behind center of dash. |
| Z6/30 | Right front interior compartment. |
| Z6/33 (1) | Behind center of dash. |
| Z6/33 (2) | Behind center of dash. |
| Z6/33 (4) | Behind center of dash. |
| Z7/5 | Right front door sill. |
| Z7/21 | Behind center of dash. |
| Z7/32 | Behind center of dash. |
| Z7/36 (1) | Right front of engine compartment. |
| Z7/36 (2) | Right front of engine compartment. |
| Z7/40 | In left fuse/relay box. |
| Z7/40 (ESP) | In left fuse/relay box. |
| Z11/3 | Right front interior compartment. |
| Z11/4 | Right front interior compartment. |
| Z28/25 | Right front interior compartment. |
| Z28/26 | Right front interior compartment. |
| Z28/35 | Right rear door sill. |
| Z35/1 | Left front door sill. |
| Z35/2 | Left front door sill. |
| Z35/10 | Left front door sill. |
| Z36/1 | Right side of trunk. |
| Z36/2 | Right side of trunk. |
| Z36/3 | Right front of engine compartment. |
| Z36/4 | Right front of engine compartment. |
| Z36/8 | Behind center of dash. |
| Z36/9 | Behind center of dash. |
| Z36/10 | Behind center of dash. |
| Z37/2 | Left front door sill. |
| Z37/3 | Left front door sill. |
| Z37/8 | Behind center of dash. |
| Z37/13 | Behind center of dash. |
| Z37/14 | Behind center of dash. |
| Z52/5 | Left front interior compartment. |
| Z73 | Right front door sill. |
| Z73 (1) | Right front door sill. |
| Z73/1 | Left front door sill. |
| Z73/1 (1) | Left front door sill. |
| Z73/2 | Right front door sill. |
| Z73/3 | Under right rear seat. |
| Z81 | Behind center of dash. |
| Z81/4 | Left front door sill. |
| Z82/6 | Right rear interior compartment. |
| Z87/17 | Left rear door sill. |
| Z87/18 | Left rear door sill. |
| Z88 | Left front door sill. |
| Z89 | Left front door sill. |
| Z107 | Right rear of engine compartment. |
| Z108 | Right rear of engine compartment. |
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.