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
Control Units
CONTROL UNITS
| Component | Component Location |
|---|---|
| AIR Control Module | At left front corner of engine compartment. |
| BAS Control Module | Below brake master cylinder. |
| Blower Regulator | Behind right side of dash, near blower motor. |
| Engine/Climate Control Electric Cooling Fan Control Module | In left front wheelhouse. |
| Engine Control Module (ME-SFI) | At right rear corner of engine compartment. |
| Electronic Ignition Lock Control Module | On ignition switch. |
| ESA Control Module (Left Front) (W/ Memory) | Below left front seat. |
| ESA Control Module (Right Front) (W/ Memory) | Below right front seat. |
| ESC Control Module | Behind left side of dash, below steering column. |
| ESP/SPS/BAS Control Module | At right rear corner of engine compartment. See Figure . |
| Front HS Control Module | Behind center of dash. |
| Headlamp Range Adjustment Control Module (W/ Xenon) | At right rear corner of engine compartment. |
| PSE Control Module | In right side of trunk. |
| RB Control Module (Power Soft Top) | At front of trunk. |
| Roof Control Panel Control Module | At front of sliding/pop-up roof opening. |
| Signal Pickup & Activation Module (SAM) (Left Front) | On bottom of driver side fuse & relay module box. |
| SRS Control Module | Under front of center floor console. |
| Transmission Control Module | At center rear of engine compartment. |
| Ultrasonic PTS Control Module | Behind right side of dash. |
| Xenon Headlamp Control Module (2) | On respective headlight assembly. |
| Xenon Headlamp Ignition Module (2) | On respective headlight assembly. |
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.