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lindaschroeder1

Mercedes GT Roadster Hybrid fuel sensor fault

Has anyone experienced a check engine light and engine stalling in their 2019 Mercedes GT Roadster Hybrid, with a fuel level sensor fault?

Summary of the thread

A 2019 Mercedes GT Roadster Hybrid experienced a check engine light and engine stalling due to a fuel level sensor fault, with erratic fuel gauge behavior. The issue was likely caused by a faulty sensor or wiring. A certified workshop diagnosed the problem, identifying a defective fuse related to the fuel sensor. Replacing the fuse resolved both the sensor fault and the stalling issue.

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4 comment(s)

charlesthunder6

I have a similar Mercedes GT Roadster. I had a similar fuel sensor issue, and the fuel gauge behaved erratically. Does your fuel gauge appear to be displaying an incorrect level? It could be a faulty sensor or wiring.

lindaschroeder1 (community.author)

Yes, the fuel gauge fluctuates erratically, even after a full refill. What specific steps did you undertake to resolve the sensor fault? Were there any other associated symptoms beyond the fuel gauge issue?

charlesthunder6

I did not attempt any repairs myself. The erratic fuel gauge and sensor fault prompted me to take my car to a certified workshop. They were able to diagnose and rectify the problem efficiently. Given your symptoms, that will likely be your best course of action.

lindaschroeder1 (community.author)

I appreciate your advice. Following your recommendation, I consulted with a qualified technician. As it turned out, a fuse related to the fuel sensor was indeed defective. Replacing it resolved the sensor fault and the stalling issue. The repair cost was approximately 52€ Thank you again for your assistance.

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MERCEDES

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GTROADSTER