I have read the other posts about this. My friend has a 2000 ML320 on which the fuel gauge has started to fail. When he fills it up, the gauge shows zero and the Low Fuel green warning light stays on. The gauge does not move up later at any time. What is the most probable cause??

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Ben Harrison Carter
1999 Mercedes ML320 87K
1992 Mercedes 300CE 89K
1995 Corvette 29K -- Sold Dec 09
1989 Mercedes 420SEL 99K -- (Sold 4/08)
1968 Mercedes 230S (106K) (Sold 9/06))
1976 Mercedes 450SEL 130K (Just sold - 06)
1961 Mercedes 220Sb (sold years ago)