alfreddrache1

Mercedes GLS hybrid fuel delivery issues

Has anyone experienced intermittent fuel delivery issues on their 2022 Mercedes GLS hybrid? My check engine light is on, the engine runs rough, stalls at idle, and jerks during acceleration. I suspect a defective fuel pressure sensor, maybe a cable or plug connection issue impacting the fuel injector.

4 comment(s)

I had similar symptoms on my GLS. Have you checked the pressure sensor? It could be affecting the fuel system's ability to properly regulate pressure. An erratic sensor can certainly cause those symptoms.

Thanks. Did you experience similar stalling and jerking? Was it consistently reproducible, or more intermittent? Do you recall any specific diagnostic codes related to the pressure sensor?

The symptoms match what I experienced. Given the potential impact on fuel delivery, I suggest taking it to a workshop to have the pressure sensor and related connections thoroughly inspected. A faulty sensor will trigger a DTC.

Thanks for the confirmation and advice. It was a defective fuel pressure sensor; the cable connection was indeed the issue. Replacement cost 95€. All symptoms are resolved. Thanks again.

Join the discussion now: