✅ 1999–2005 Mercedes-Benz CLK320 / C320 Engine Control Module (ECM / ECU) — OEM
Part Number: A 112 153 54 79
Manufacturer: Mercedes-Benz
Genuine Factory Engine Control Module
🔧 Testing & Functionality:
✔️ Fully tested and verified functional prior to removal
✔️ No internal faults detected during testing
✔️ Ready for installation and programming (if required by your vehicle)
🧪 Removed from a running and driving 2004 Mercedes-Benz CLK320
🧼 Condition & Preparation:
🧽 Professionally cleaned and sanitized
🔍 Connectors, pins, and housing carefully inspected
📦 No cracked casing, broken tabs, or damaged terminals
🛡️ 30 Day Warranty
↩️ Free Returns
🚗 Vehicle Fitment (Verify Before Purchase):
Mercedes-Benz Models
✔️ CLK320 (1999–2005)
✔️ C320 (1999–2005)
⚠️ Fitment Notes:
• Designed for vehicles equipped with the M112 V6 engine
• Programming or VIN matching may be required depending on your vehicle and setup
• Always confirm part number A1121535479 matches your existing ECU before purchasing
⚙️ Features & Details:
• OEM Mercedes-Benz engine control module
• Controls fuel delivery, ignition timing, and engine management functions
• Direct replacement for failed or faulty ECM/ECU
• Factory unit — not remanufactured or aftermarket
• Ideal solution for restoring proper engine performance and drivability
🔍 Cosmetic Condition:
• Normal wear consistent with age and use
• Housing is solid and intact
• Labeling and part numbers clearly visible
📸 Please review photos for exact cosmetic condition
🎯 Ideal For:
• Replacing a no-start or intermittent stalling issue
• Resolving check engine light or communication faults related to ECM failure
• OEM-correct repair without aftermarket compatibility issues
✅ Tested OEM Mercedes-Benz ECM / ECU, removed from a 2004 CLK320, professionally cleaned, accurately described, and backed by a 30-day warranty with free returns. A reliable factory replacement for your CLK320 or C320.