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.
2006 Mercedes Benz CL65FACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| AB Control Module | Under front of floor console. See Figure. |
| Active Body Control (ABC) Control Module | Left rear of engine compartment. See Figure. |
| Audio Gateway Control Unit | Left side of trunk. See Figure. |
| Blower Regulator (A32n1) | Part of heater system recirculation unit. See Figure. |
| Central Gateway Control Module | Under left side of dash. See Figure. |
| DC/DC Converter Control Module | Behind right kick panel. See Figure. |
| Distronic (DTR) Control Module | In right front footwell. See Figure. |
| E-Call Control Module | Left center of roof. See Figure. |
| ECI Ignition Module (Left/Right Bank) | Top front of respective cylinder bank. See Figure. |
| ECI Ignition System Mains Unit | Top center of engine. See Figure. |
| Electric Control Unit (Y3/8) | Under transmission housing. See Figure. |
| Electronic Stepper Motor Control Module | Under front of floor console. See Figure. |
| ESP Control Module | Right rear of engine compartment. See Figure. |
| ESP/SPS/BAS Control Module | Left rear of engine compartment. See Figure. |
| Front ESA Control Module (Left/Right) | Under respective front seat. See Figure. |
| Front Multi-Contour Seat Back Control Module (Left/Right) | In respective front seat back. See Figure. |
| Front Seat Ventilation Blower Regulator (Left/Right) | Under respective front seat. See Figure. |
| Fuel Pump Control Unit | Under left rear of vehicle. See Figure. |
| Fully Integrated Transmission Control (VGS) Control Unit (Y3/8n4) | Part of electric control unit (VGS). See Figure. |
| Keyless Go Control Module | Right side of trunk. See Figure. |
| ME-SFI Control Unit (N3/10) | In right front fuse/relay module. See Figure. |
| Navigation Processor | Left side of trunk. See Figure. |
| PSE Control Module | Left side of trunk. See Figure. |
| PTS Control Module | Under right rear seat. See Figure. |
| Rear Control Module | Under right rear seat. See Figure. |
| SDAR Control Module | Left side of trunk. See Figure. |
| Steering Column Module | At top of steering column. |
| Suction Cooling Fan Control Module | Right front corner of engine compartment. See Figure. |
| TELE AID Control Module | Under right rear seat. See Figure. |
| Tire Pressure Monitoring Control Module | In right front footwell. See Figure. |
| Traction System Hydraulic Unit | Left front of engine compartment. See Figure. |
| Universal Portable CTEL Interface (UPCI (UHI)) Control Module | Under left rear seat. |
| Voice Activation Control Module | Left rear of trunk. See Figure. |
| Xenon Headlight Control Module | Behind left headlight assembly. See Figure. |
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.