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 SLK230 AutomaticFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS
| Component | Component Location |
|---|---|
| ABS Control Module | Right rear of engine compartment. |
| ASR/SPS Control Module | Right rear of engine compartment. See Figure. |
| BAS Control Module | Below master cylinder. |
| Combination Control Module | Right rear of engine compartment. See Figure. |
| Crash Separation Relay Module | In right rear of engine compartment, forward of battery. See Figure. |
| Engine-A/C Cooling Fan Control Module | On left front inner fender panel. See Figure. |
| Engine Control Module (ME-SFI) | Right rear of engine compartment. See Figure. |
| ESP/SPS/BAS Control Module | Right rear of engine compartment. |
| ETC Control Module | At front of passenger's footwell. |
| Garage Door Opener Control Module | Top center of windshield header. See Figure. |
| High Pressure/Return Pump Relay Module | Under fuse & relay box. |
| Illumination Control Module | Integral with headlight switch. |
| Left Front Brake Pad Wear Sensor | On left front brake caliper. |
| Locking Confirmation Relay Module | At rear of fuse & relay box. |
| Pulse Module | At rear of fuse & relay box. See Figure. |
| Radio Frequency DAS Control Module | Behind instrument cluster, above steering column. See Figure. |
| Relay Module | In right rear of engine compartment, near battery. See Figure. |
| Right Front Brake Pad Wear Sensor | On left front brake caliper. |
| SRS Control Module | Beneath center console, near shifter lever. See Figure. |
| Starter Lockout Relay Module | Under fuse & relay box. See Figure. |
| Transmission Control Module | On plate at front of passenger's footwell. See Figure. |
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.