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.
1999 Mercedes Benz CLK430FACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Splices
SPLICES
| Component | Component Location |
|---|---|
| Z3 | Center rear of engine compartment, in thick harness, 400 mm from S11, brake fluid level switch. |
| Z3/1 | Left center dash, at base of windshield. |
| Z3/15 | In right harness crosstray, on lower right flank of console. |
| Z3/26 | In left engine compartment harness, at left rear of engine compartment. |
| Z3/27 | In left engine compartment harness, at left rear of engine compartment. |
| Z4/4 | In right component compartment. |
| Z6/16 | Left center of dash at base of windshield. |
| Z7/35 | Engine compartment, rear center, in engine harness. |
| Z10 | In left interior harness, at left "B" pillar. |
| Z20 | In left interior harness, at left "B" pillar. |
| Z20/1 | In left trunk harness, in breakout to CTEL transmitter/receiver. |
| Z20/2 | In left trunk harness, in breakout to CTEL transmitter/receiver. |
| Z20/5 | In left trunk harness, in breakout to CTEL transmitter/receiver. |
| Z21/2 | In right harness crosstray, on lower right flank of console. |
| Z29/1 | In left interior harness, at sill panel below left front door. |
| Z30/3 | In left interior harness, at sill panel below left front door. |
| Z30/4 | In left interior harness, at sill panel below left front door. |
| Z30/5 | In left interior harness, at left "B" pillar. |
| Z36/1 | In right luggage compartment harness, behind right side of bumper. |
| Z36/2 | In right luggage compartment harness, behind right side of bumper. |
| Z36/3 | In left engine compartment harness, behind left side of front bumper. |
| Z36/4 | In left engine compartment harness, behind left side of front bumper. |
| Z36/8 | In dash harness, behind instrument cluster. |
| Z37/2 | In right component compartment. |
| Z37/3 | In right component compartment. |
| Z38 | In left interior harness, at sill panel below left front door. |
| Z40 | In left interior harness, at sill panel below left front door. |
| Z81 | In left harness crosstray at left rear of center console. |
| Z81/4 | In left harness crosstray, at left flank of center console. |
| Z87/15 | Behind radio. |
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.