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

Smells like fuel in the cabin

Old May 31, 2014 | 10:22 AM
  #1  
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Smells like fuel in the cabin

I pulled the rear seat and checked under both inspection plates and it's bone dry.

What do I do next?

It's intermittent. Sometimes full tank, sometimes quarter tank. Sometimes not at all. Sometimes I think one spark will blow me to smithereens
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Old May 31, 2014 | 04:40 PM
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i just had my gas tank replaced due to same issue. its a common problem with the E class w211 platform. take it to a trusted mechanic and have them check the car. i had no gas under backseat but had gas smell inside car and off and on. i actually joined a class action lawsuit for this same issue. good luck. here is a link to the thread i started on my problem.

https://mbworld.org/forums/w211-amg/...-mechanic.html
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Old May 31, 2014 | 04:42 PM
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Originally Posted by actech
i just had my gas tank replaced due to same issue. its a common problem with the E class w211 platform. take it to a trusted mechanic and have them check the car. i had no gas under backseat but had gas smell inside car and off and on. i actually joined a class action lawsuit for this same issue. good luck. here is a link to the thread i started on my problem.

https://mbworld.org/forums/w211-amg/...-mechanic.html
+1 unfortunately it could be the gas tank which is a costly repair, I had my senders replaced under warranty and the smell was still there... Since I had a warranty I went ahead and had them replace the tank as well!
Good luck!
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Old May 31, 2014 | 04:46 PM
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my tank was $2600 and i just bought my car used in February. i got the dealership where i bought the car to pony up about 95% of the bill. i will upload pics of bad tank
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Old May 31, 2014 | 04:50 PM
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here are pics of tank. it was leaking from the white pvc valve
Attached Thumbnails Smells like fuel in the cabin-photo-1.jpg   Smells like fuel in the cabin-photo-2.jpg   Smells like fuel in the cabin-photo-3.jpg  
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Old May 31, 2014 | 05:21 PM
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another common fuel leak that often gets over looked is the fuel pressure dampener.it's on the fuel rail at the back of the motor,passanger side, under the throttle body.the oring dries out and it will start leaking.usually when the motor is cold.
you can get a replacement at rockauto http://www.rockauto.com/catalog/more...792&cc=1431058
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Old May 31, 2014 | 07:29 PM
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Are the e55 tanks specific or universal among certain years of e-class?
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Old May 31, 2014 | 08:53 PM
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that i dont know. im sure on of the experts can chime in with an answer
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Old Jun 1, 2014 | 02:19 AM
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Ooh, I got in the car today and it didn't smell like fuel. Soon as I turned the air on tho it came pouring out the vents with outside air on. Outside air draws air from the engine bay, through the hood vent, correct?

Does this lead one to think it's not the tank, rather something underhood?

Last edited by Style_Front; Jun 1, 2014 at 02:24 AM.
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Old Jun 1, 2014 | 09:37 AM
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one car at a time
Originally Posted by Style_Front
Ooh, I got in the car today and it didn't smell like fuel. Soon as I turned the air on tho it came pouring out the vents with outside air on. Outside air draws air from the engine bay, through the hood vent, correct?

Does this lead one to think it's not the tank, rather something underhood?
If you read the post from Jonnyc, you'd have your answer...

"another common fuel leak that often gets over looked is the fuel pressure dampener.it's on the fuel rail at the back of the motor,passanger side, under the throttle body.the oring dries out and it will start leaking.usually when the motor is cold.
you can get a replacement at rockauto http://www.rockauto.com/catalog/more...792&cc=1431058 "
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Old Jun 1, 2014 | 03:18 PM
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https://mbworld.org/forums/w211-amg/...ml#post6052982

here is a link to a thread with pics on the topic that jonnyc mentioned. i thought it was my fuel pressure dampner as well but indeed up being the tank. it wouldnt hurt to have your tank looked at by a quality mechanic. he could also check the dampner for you as well. good luck. i get my car back tomorrow and cant wait!
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Old Jun 2, 2014 | 10:09 PM
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got car back today and NO gas smell
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Old Jun 2, 2014 | 11:46 PM
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Have the same problem the dealer said it was the o rings on the injectors were worn and that's were the fuel smell was coming from so they replaced them $700 later still smells of fuel when it's cold back to the dealer it's a 2006
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Old Jun 3, 2014 | 09:36 AM
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What kind of a cabin is it?
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Old Jun 3, 2014 | 08:07 PM
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get your gas tank checked benz2.
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Old Jun 3, 2014 | 11:00 PM
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Originally Posted by actech
get your gas tank checked benz2.
I will
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Old Jun 4, 2014 | 08:22 PM
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i filled up my tank for the first time since it was replaced and i filled it all the way up. NO GAS SMELL inside or outside my car! i love it
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Old Jun 4, 2014 | 09:31 PM
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Originally Posted by Style_Front
I pulled the rear seat and checked under both inspection plates and it's bone dry.

What do I do next?

It's intermittent. Sometimes full tank, sometimes quarter tank. Sometimes not at all. Sometimes I think one spark will blow me to smithereens
Did you open the hood and see if you smell gas there? Is your fuel rail stock?

Like others mentioned, the tank gas leak is very common.
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Old Jun 4, 2014 | 10:30 PM
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my smell was also under the hood and in cabin. get you tank checked style
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Old Jun 4, 2014 | 11:41 PM
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Originally Posted by cij911
If you read the post from Jonnyc, you'd have your answer...

"another common fuel leak that often gets over looked is the fuel pressure dampener.it's on the fuel rail at the back of the motor,passanger side, under the throttle body.the oring dries out and it will start leaking.usually when the motor is cold.
you can get a replacement at rockauto http://www.rockauto.com/catalog/more...792&cc=1431058 "

I've had this very problem. My fpd was leaking gas all down the passenger side of my transmission bell housing right next to the cats. it's a cheap and fairly easy fix.
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Old Jun 19, 2014 | 11:11 AM
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Ok he checked out the dampener and it looked good however when he pulled the throttle body off to look he said he found fuel inside there. Any ideas why that could be?

I'm going to replace the dampener anyway since it's cheap.
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Old Jun 19, 2014 | 11:17 AM
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Originally Posted by Style_Front
Ok he checked out the dampener and it looked good however when he pulled the throttle body off to look he said he found fuel inside there. Any ideas why that could be?

I'm going to replace the dampener anyway since it's cheap.
You have gas in the throttle body? Unless I am mistaken, that is impossible.
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Old Jun 19, 2014 | 03:11 PM
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I only had gas smell in my car when tank was full and throttle hit hard
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Old Jun 19, 2014 | 03:46 PM
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Originally Posted by Style_Front
Ok he checked out the dampener and it looked good however when he pulled the throttle body off to look he said he found fuel inside there. Any ideas why that could be?

I'm going to replace the dampener anyway since it's cheap.
i suggest u take it to different mechanic who can find the cause of the problem and fix it...
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Old Jun 19, 2014 | 06:13 PM
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I'm pointing him in the directions you guys suggest cause I can't seem to get the gas smell to re occur while it's with him and I can't afford to be like "smelled like gas once, fix it. Good luck"

He's actually one of the best mechanics I've ever dealt with. Fair, honest, meticulous.
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