MERCEDES-BENZ Navigation RADIO X204 GLK NTG5*1 REPAIR SERVICE 12 MONTHS WARRANTY

Restore your factory navigation system without the high cost of dealership replacement. This is a professional repair service for your Mercedes-Benz NTG5.1 navigation/radio head unit, specifically from the X204 GLK models. You are not purchasing a new or replacement part—this service is to repair your existing faulty unit.

🔧 Common Issues We Repair:

The NTG5.1 COMAND head units used in GLK-Class vehicles are known for specific failures. Whether the system is unresponsive or causing battery drain, we can bring it back to life. Common issues include:

• System stuck in a boot loop (constantly restarting)

• Navigation or radio not powering on

• Unit freezes on the Mercedes-Benz logo

• Rapid battery drainage overnight

• Unit fails during programming or update attempts

• Front panel buttons or steering wheel controls not responding

• Navigation not loading or crashing randomly

• Black screen, no sound, or touchscreen failure

These faults are typically due to degraded internal memory, failed power circuits, corrupted firmware, or mainboard issues—all repairable at the component level in our facility.

🚗 Vehicles Commonly Affected:

This repair service applies to the Mercedes-Benz GLK-Class X204 with the NTG5.1 COMAND system. Some commonly affected model years and trims include:

• GLK 250 BlueTEC

• GLK 350

• 2013, 2014, and 2015 GLK models (depending on production and equipment package)

If you're unsure whether your GLK is equipped with an NTG5.1 unit, please contact us with your VIN or part number and we’ll confirm compatibility.

🧩 Known Compatible Part Number:

• X204 (Platform code; actual part numbers may vary – please check the sticker or tag on your head unit)

If your head unit has a different part number but exhibits the same symptoms, please contact us—we may still be able to service it.

📦 How the Repair Service Works:

1. Order the Service: Complete your purchase through our website.

2. Ship Your Unit to Module Medics: After checkout, you'll receive packing and shipping instructions. Send your faulty unit to our facility in Maryland.

3. Professional Repair: Our skilled technicians perform a full diagnostic and conduct board-level repairs. We use Mercedes-Benz specific tools to ensure functionality and integrity.

4. Testing & Return Shipping: Your unit is thoroughly tested under simulated vehicle conditions. We then return it to you via insured shipping.

Typical turnaround time is 2–3 weeks. Some complex cases may take slightly longer.

🛡️ Warranty Coverage:

All repairs include a 12-month limited warranty, covering the specific issue(s) that were repaired. If the problem returns within the warranty period, we’ll take care of it.

💡 Why Choose Module Medics?

• Over a decade of experience in automotive electronic module repair

• Advanced bench-testing and programming capabilities

• Saves you time and money compared to dealership replacements

• Keep your original unit with factory VIN coding and system integration

• Based in Baltimore, MD, proudly serving customers across the U.S.

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❓Need Help?

Not sure which part number you have or whether your issue qualifies? Contact our support team before placing your order—we’re happy to assist.