Gasoline Fumes - Mercedes-Benz Forum

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post #1 of 13 (permalink) Old 11-30-2005, 12:11 PM Thread Starter
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Gasoline Fumes

Has anyone experienced a problem with gasoline fumes inside and surrounding their Mercedes?

One serious flaw that I have yet to have resolved in my 2006 E350 is the presence of gas fumes inside the passenger area and around the rear of the car. The dealer replace some parts pertaining to the gasline and filler venting system, a charcoal filter cannister, the gas cap, and possibly other things but the problem is still there.

After sitting undriven for a week, the fumes were worse than ever - leaving me with the feeling I was riding in a Molotov Cocktail. Needless to say, it's back in the shop once again but I am forever going to worry about the safety of riding in this vehicle.
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post #2 of 13 (permalink) Old 11-30-2005, 07:02 PM
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RE: Gasoline Fumes

wow you got a problem. only time ive smelt gas was when my cats where broken, it smelled like a race car in the cabin. I kind of liked the smell inside and out ow well
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post #3 of 13 (permalink) Old 12-01-2005, 06:25 AM Thread Starter
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RE: Gasoline Fumes

You can say that again. The service rep from the dealer (HBL in VA) called last night and told me they think the gas tank is warped where the fuel pump attaches, thereby causing the leak. He assured me that it didn't pose a safety problem...I don't belive that for a minute. Their plan is to replace the tank and everything around it...naturally, this is the second time they've pulled all this out for the same problem.

Definitely no more Mercedes for me after this experience.[:(!]
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post #4 of 13 (permalink) Old 12-08-2005, 04:03 AM Thread Starter
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Follow-Up Re. Gasoline Fumes

Just in case others may experience this problem. My E350 was in the shop for a week. The gas tank and associated lines, cannister, etc. were replaced. Supposedly the gas tank was "warped" where the fuel pump(s) attach, allowing fumes to escape.

So far, no fumes other than something smelling like a cross between a pine forest and a cheap rental car.

Never again!
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post #5 of 13 (permalink) Old 02-06-2007, 10:57 AM
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gas fumes/ gas smell in my car!!

my 91 420sel (which i bought only 2 mnths ago) just the other day started really smelling of gas inside the car. I opened the windows but the smell is still overpowering... Naturally I'm afraid to drive it too much for fear it might catch fire or something.
There are no obvious gas leaks i can see (no puddles or drips), it doesn't smell outside the vehicle only inside which leads me to think its coming up through the floor of the body. Any thoughts before I take her in to see my mechanic? Thanks!!
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post #6 of 13 (permalink) Old 02-06-2007, 02:33 PM
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Hey listen, I have 7 Mercedes, all problem free (well they dont get driven too much) but still. Dont let 1 problem get in the way between you and the best cars in the world. Maybe you can get MB to buy you another, better, model because of all this.
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post #7 of 13 (permalink) Old 02-06-2007, 02:33 PM
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Quote:
Originally Posted by Guest
You can say that again. The service rep from the dealer (HBL in VA) called last night and told me they think the gas tank is warped where the fuel pump attaches, thereby causing the leak. He assured me that it didn't pose a safety problem...I don't belive that for a minute. Their plan is to replace the tank and everything around it...naturally, this is the second time they've pulled all this out for the same problem.

Definitely no more Mercedes for me after this experience.[!]
Hey listen, I have 7 Mercedes, all problem free (well they dont get driven too much) but still. Dont let 1 problem get in the way between you and the best cars in the world. Maybe you can get MB to buy you another, better, model because of all this.
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post #8 of 13 (permalink) Old 02-06-2007, 05:25 PM
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Quote:
Originally Posted by BradQ
You can say that again. The service rep from the dealer (HBL in VA) called last night and told me they think the gas tank is warped where the fuel pump attaches, thereby causing the leak. He assured me that it didn't pose a safety problem...I don't belive that for a minute. Their plan is to replace the tank and everything around it...naturally, this is the second time they've pulled all this out for the same problem.

Definitely no more Mercedes for me after this experience.[!]
I have never heard of the tank warping causing the leak. both fuel pumps are housed in the tank and is held in by a locknut and o-ring seal. usually the seal is where the leak comes from, not because the tank is messed up, but either the locknut was too tight and damaged the seal or the seal is faulty. I also have had a e55 come in having a bad fuel smell and it was leaking from the actual pump.

Now the only time I have seen the tank replaced is for evap leaks. it will leak from on top where some of the seals are, not the fuel pump seals, but some other seals.
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post #9 of 13 (permalink) Old 03-17-2007, 10:47 AM
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if anyone's still looking at this post: I figured out what the problem is on my car. The gas smell is coming from the EVAP filter (the one with the charcoal Filter) apparently its there to stop gas fumes from escaping into the atmosphere by collecting it and routing it back to the fuel system. Sometimes liquid gas can make it into the filter which is designed for fumes only and can back up in the filter causing the smell. On my car (91 420sel) you have to remove the driver side front wheel well to get at the filter. I haven't done it yet but I got the info from a service manual.
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post #10 of 13 (permalink) Old 09-19-2007, 04:42 AM
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Garage
My E55 has been into the shop 2 times now for bad gas smell coming from the left rear wheel well--dealer cant find anything......
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