Mercedes-Benz Navigation A1669000513 W166 NTG4.5 NTG4.7 Repair Service WARRANTY

Part Number: A1669000513 | W166 Models | 1-Year Warranty

✅ Professional Repair Service for Your Existing Mercedes-Benz Head Unit

This is a REPAIR SERVICE for your original Mercedes-Benz COMAND NTG4.5 / NTG4.7 head unit. You are not purchasing a replacement unit.

If your infotainment system is failing, rebooting, or draining your battery, Module Medics can help. We offer a component-level repair solution that restores your existing unit to OEM functionality—no reprogramming required.

🔧 Common NTG4.5 / NTG4.7 Head Unit Problems We Repair:

Our skilled technicians have years of experience working on Mercedes-Benz COMAND systems. We fix all known issues, including:

• ❌ Constant rebooting or cycling on and off

• ❌ Unit not powering on at all

• ❌ Radio drains car battery when parked

• ❌ Frozen on the Mercedes-Benz splash screen

• ❌ Will not accept new programming or coding

• ❌ Buttons or controller become unresponsive

• ❌ Navigation system does not load or crashes

• ❌ No audio output or distorted sound

• ❌ Bluetooth, voice control, or backup camera failure

These issues are typically caused by internal component failures, such as faulty processors, corrupted NAND flash memory, damaged capacitors, or power supply issues.

📦 Supported Part Numbers:

• A1669000513 – Common in W166 chassis vehicles

• Other NTG4.5 and NTG4.7 part numbers may be compatible
  ➡️ If your unit has a different part number, please contact us before purchasing.

🚘 Commonly Affected Mercedes-Benz Models:

This repair service applies to head units installed in Mercedes-Benz W166 models and other platforms using the NTG4.5 or NTG4.7 systems. Vehicles commonly affected include:

• Mercedes-Benz M-Class (W166)

• Mercedes-Benz GLE-Class (Pre-facelift W166)

• Mercedes-Benz GL-Class / GLS-Class (X166)

• Some models of C-Class, E-Class, GLK, CLS, and SLK
  ➡️ Unsure if your unit qualifies? Send us the part number or VIN and we’ll confirm compatibility.

🔄 How the Repair Service Works:

1. Purchase the repair service on this page.

2. Ship your faulty head unit (do not include screen, trim, or accessories) to our facility in Maryland.

3. Our expert technicians perform a full diagnostic, repair faulty components, and perform stress testing to ensure reliability.

4. Your repaired unit is shipped back to you, fully plug-and-play and ready to install.

⏱ Typical Turnaround Time:

• Standard repair time: 2–3 weeks from receipt of your unit

• In some cases involving rare parts or extensive damage, repair may take slightly longer.

🛡️ 1-Year Warranty on All Repairs

We stand behind our work. Your repaired Mercedes head unit includes a 1-year warranty on parts and labor related to the original issue.

⚠️ Please Note:

• This is not a sale of a replacement part. You must send in your existing head unit for service.

• Physically damaged or water-damaged units may require additional evaluation.

• Do not send your screen, trim panel, or any other unrelated components.

🔧 Why Choose Module Medics?

Mercedes-Benz COMAND systems are complex, integrated control units. Dealerships often recommend full replacement costing $2,000–$4,000 or more, plus coding fees.

At Module Medics, we offer an affordable alternative. We restore your original unit at a fraction of the cost, without the need for VIN programming or dealership visits. Our repairs are done by experienced technicians using OEM-quality components, and each unit is bench-tested before return.

💬 Have Questions?

We're happy to help. Whether you're unsure of compatibility, symptoms, or how to remove your unit, our team is available to guide you through the process.