W211 AMG Discuss the W211 AMG's such as the E55 and the E63

w211 : check gas cap?

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Old Jun 22, 2010 | 05:48 PM
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rays cl55's Avatar
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06 E55
w211 : check gas cap?

Anyone have or know how to fix ...

check gas cap error? The low fuel light starts to blink and the center display goes all red.

I have checked the gas cap a MILLION times and everything seem fine. The only way I can get the warning lights to go off is by turning off the car and restarting.

thanks for the help all...
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Old Jun 22, 2010 | 05:55 PM
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2003 W211 E55, 2003 W220 S600
you can go to an auto parts store and they can attach a hand held suction pump to the gas cap to see if it is sealed. if it fails the test, you will have to purchase a new one, rubber seals must have gone bad.
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Old Jun 22, 2010 | 06:16 PM
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Yea, could be a bad gas cap. Have you had head gaskets done recently?
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Old Jun 23, 2010 | 09:19 AM
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It could also be a vacuum leak in the tank itself that is keeping it from pressurizing properly. My car had a small crack where the filler neck meets the tank and they replaced it under warranty. I recall it being shockingly cheap for MB at around $750 installed.
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Old Jun 23, 2010 | 04:39 PM
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nope, no head gaskets work done.

Guess if it comes up again, I will roll it down to the dealer... thx for the input all!
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Old Jun 23, 2010 | 05:04 PM
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I had that message a little while back, I'd forgotten to put the gas cap back on after filling her up. Once back on the warning went away.

Last edited by grantwoodtx; Jun 23, 2010 at 05:07 PM.
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Old Sep 17, 2010 | 01:00 AM
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Originally Posted by Blacksport350
It could also be a vacuum leak in the tank itself that is keeping it from pressurizing properly. My car had a small crack where the filler neck meets the tank and they replaced it under warranty. I recall it being shockingly cheap for MB at around $750 installed.
did they replace the entire tank?
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