Just wondering if anyone can help, my 2011 ML350CDi runs out of fuel at a quarter tank. I have read it uses a venturi effect to level each side using the return from the common rail. If I have read it correctly I should be looking at the high pressure pump.



Can anyone confirm this??

 

Have you done a logbook so you know how much fuel you have used from full when it runs out. Not just the level sensor playing up?