Mercedes V Klasse Diesel Engine Stalling

Sounds like an EVAP system issue I had similar check engine symptoms with my V Klasse Have you checked for any obvious cracks or disconnections in the hoses connected to the tank ventilation valve A leak there could mess with the pressure sensor readings and cause the stalling

Thanks I looked at the hoses but didn't see anything obvious You mentioned a leak affecting the pressure sensor readings Can you say more about what those readings should be normally, and how a visual check might miss something subtle

Getting into exact pressure sensor readings is technical without the right tools If you didn't see anything obvious like a split hose, it might be a partial blockage or a faulty valve I'd recommend a workshop check They can properly diagnose the EVAP system

Thanks for the advice I took it to a mechanic, and you were right Some hoses were partially clogged, messing with the pressure The tank ventilation valve was working The repair cost 175€ to clean everything The check engine light is off now