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friedhelmtaylor92

Mercedes CLA Hybrid GPS Antenna Issue

My 2023 Mercedes CLA Hybrid navigation system has stopped working, the error memory shows a GPS antenna problem with no GPS reception, and I'm told the antenna repair could cost around 200€. Any ideas on what might be happening?

Summary of the thread

A 2023 Mercedes CLA Hybrid experienced a navigation system failure due to a GPS antenna issue, with no GPS reception detected. The problem was likely caused by a defective GPS antenna, though a loose cable connection at the head unit or antenna base could also be a factor. It was suggested to check the Fakra connector for a secure fit, but ultimately, a technician confirmed the antenna was defective, leading to its replacement and resolving the issue.

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4 comment(s)

william_schulze1

I understand you're experiencing issues with your GPS antenna. I own a Mercedes CLA as well and encountered a similar issue impacting my car GPS functionality. It appears that the GPS antenna itself may indeed be defective, as you suspect. Before proceeding with the antenna repair, I advise you to check the antenna cable connection at the head unit and the antenna base. A loose connection could mimic a defective antenna.

friedhelmtaylor92 (community.author)

Thanks for the quick reply. Where exactly is the head unit located, and what should I be looking for when checking the cable connection? Is there a specific type of connector I should be aware of when dealing with vehicle GPS and the antenna repair?

william_schulze1

The head unit is typically located behind the central display in the dashboard. As for the connector type, it's usually a Fakra connector, often color-coded. Ensure it's firmly seated. However, given the error message and your symptoms, the likelihood of a defective GPS antenna remains high. I would recommend consulting a qualified technician to diagnose the car electronics and confirm the need for an antenna repair. This way, you can be certain before investing in a new GPS antenna.

friedhelmtaylor92 (community.author)

Thanks, that's helpful advice. I took it to a workshop, and you were right – the GPS antenna was indeed defective. They replaced it, and now the navigation is working perfectly again. Cost me about what I expected, around 200€. Appreciate the assistance with my car GPS problem!

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MERCEDES

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CLA