S-Class (W220) 1999-2006: S 320 CDI, S 320, S430, S 500, S 600

2003 S430 will not take fuel

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Old 04-24-2009, 08:31 PM
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S430
2003 S430 will not take fuel

I cannot fill up my S430?? Car was almost down to empty, pulled into the station, put in the nozel and it almost immediately shut off. Thought there was a problem with the pump, went to another one, same problem. Went to a different station, same problem. I have manage to "drip" a gallon or so in.

Car was also hesitating while driving. I figure this has to be some vapor lock issue. Unscrew cap, get a small release, still wont take fuel.

Back at the house, I put a siphon tube down, gets in about a foot or so and meets some hesitation and then continues.

Is there a scondary flap lower down the neck? Should I let the car sit with the cap off? Live in Vegas and it has been in the mid 80's and I have never had this problem before.

Please help.
Old 04-24-2009, 09:49 PM
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sounds like somebody jammed something down there. do you have kids?
Old 04-24-2009, 11:37 PM
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Originally Posted by c131frdave
sounds like somebody jammed something down there. do you have kids?
Old 04-25-2009, 01:04 AM
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A Mercedes obviously!
Originally Posted by c131frdave
sounds like somebody jammed something down there. do you have kids?
Must be a pretty small kid to be trapped down the fuel line.
Old 04-25-2009, 01:15 AM
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Originally Posted by Fraser
Must be a pretty small kid to be trapped down the fuel line.
I've heard of that before. Something in the tank breaks. I forget if it's the restrictor or a baffle or what. But the tank has to be replaced if that's what it is.

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