Strong gas odor after filling up
20

Asked by Jmw1940 Feb 25, 2016 at 06:22 PM about the 1992 Mercedes-Benz 300-Class 4 Dr 300E Sedan

Question type: General

How to check drain line

5 Answers
189,525

Paul answered 8 years ago

What happens there is a hose on the fill tube, this tube or hose takes vapor gas from the tank and put it through charcoal canister. If this gets clogged or you over fill the car with gas it will go down the tube.....

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20

Jmw1940 answered 8 years ago

Thank you for the reply. Does overflow drain directly or through a filter to exterior? Thanks again!

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90

bazza40 answered 8 years ago

I had a fuel smell in my 300CE. A mechanic spent a good hour going all over the car, finally disassembled the boot/trunk lining and found a perished rubber ring seal between the fill pipe and the tank. Replaced the seal, problem solved.

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10

Senior answered 3 years ago

I fixed it. https://youtu.be/I-6rRazzeUY https://youtu.be/z_fnDIEXj1I

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