OWN A 2003 ML350 GAS GAGE DROPS WHEN I FILL UP UNTIL TANKS GETS ABOUT HAVE WAY FULL THEN MOVES TO HAVE WAY POINT occasionally ENGINE RUNS RUFF LIKE GAS MIXTURE IS OFF?
I have the same problem with an ML430. I just fill it to 7/8 tank with the ignition switch on and the gage works fine. Have never seen a post with a solution. I do know replacing the fuel level sensor does not help.
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