If I let the car sit idling for more a few minutes the low fuel light will start flashing even if the tank has a lot of fuel. It will only stop if you turn it off then restart.

Yesterday I let it idle with a little over a half tank (my wife was in the car) while I ran into the parts store for a new brake light bulb. I didn't notice the flashing low fuel light until I'd pulled out into traffic. I figured I'd just wait to see if it would stop. It didn't but while I was waiting I turned on the radio/CD player to listen to a new CD I loaded into the trunk player and while the radio came on OK, there was no sound.

Once I turned the engine off and restarted everything was fine. The low fuel light stopped flashing and the radio/CD played normally.

Does anyone know what's going on, and how the 2 events could be related? Frankly, I'm stumped. HELP!

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2000 Mercedes S500
1990 Mercedes 560SEL
1970 Triumph Spitfire

Whmm, I am having similar problems with my 1996 Mercedes S500 sedan. Not having your radio issue, but I get the flashing fuel light even at a half of a tank of gas. I even get it when making sharp turns at time. I recently replaced a cracked gas cap and wonder if it may be the cause. Have you replaced your gas cap recently?

Low fuel light blinking 98 C230

Blinking light indicates failure of EVAP system/large leak, most likely code P0455.