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🟩 2003 Mercedes-Benz SL-Class TCU Transmission Control Module — OEM
Part Number: A 032 545 15 32 (0325451532)
Common Name: EGS / Transmission Control Unit (TCU)
Location: Passenger Side Footwell (Under Carpet/Kickplate)
Vehicle Removed From: 2003 Mercedes-Benz SL500 Roadster (R230)
VIN: WDBSK75F93F018957
Condition: Tested • Cleaned & Sanitized • 30 Day Warranty • Free Returns
🔧 Item Description
Genuine Mercedes-Benz OEM Transmission Control Module.
Fits R230 SL-Class models equipped with the 5-speed 722.6 automatic transmission.
This unit is the "brain" of the gearbox, managing shift points, torque converter clutch engagement, and diagnostic monitoring.
Removed from a functional vehicle with a smooth-shifting transmission and no stored "Limp Mode" codes.
✅ Functionality & Testing
✔️ Shift Logic: Tested in a live donor vehicle; verified consistent and smooth gear transitions across all ranges.
✔️ Communication: Scanned with professional diagnostic tools; verified 100% CAN-bus connectivity with the Engine Control Module (ECM) and Instrument Cluster.
✔️ Solenoid Control: Verified correct voltage output and signal processing for the transmission conductor plate solenoids.
✔️ Electrical Integrity: All multi-pin connector ports are clean, bright, and free of any signs of thermal stress.
🧼 Condition & Inspection
Professionally cleaned and sanitized.
⚠️ Wick/Oil Intrusion Inspection: Rigorously inspected for the most common 722.6 failure: zero transmission fluid intrusion. The internal circuit board is bone dry and free of the capillary oil wicking that often travels up the wiring harness.
Housing: The metal casing is in excellent condition with no corrosion or structural damage.
🚗 Vehicle Compatibility Mercedes-Benz SL-Class (R230)
2003 Mercedes-Benz SL500
May fit other 722.6 equipped models from the early 2000s (e.g., W211 E-Class or W220 S-Class) with matching part numbers.
⚠️ Important Fitment Note: Please match part number 032 545 15 32 exactly. While physical installation is plug-and-play, used TCU modules may carry adaptive shift data from the donor vehicle and may require a "Reset Adaptations" procedure via Star Diagnosis (SDS) for optimal shift quality in your specific car.
⚙️ Features & Benefits
OEM Reliability: Essential for resolving common transmission issues like "Limp Mode," hard shifting, or the inability to change gears.
Direct Fit: Mounts perfectly in the factory E-box located in the passenger footwell.
Genuine Quality: Engineered to factory specifications to ensure the longevity and performance of your 5-speed automatic gearbox.
🛡️ Warranty & Returns
✔️ 30 Day Warranty — Guaranteed electronic and signal functionality.
✔️ Free Returns — Shop with total confidence.
✔️ Tested & Cleaned