CLK55 AMG, CLK63 AMG (W208, W209) 2000 - 2010 (Two Generations)

Inside Smells like gasoline Only when speed 65+mph and no AC

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Old Apr 15, 2019 | 05:42 AM
  #1  
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CLK 500
Inside Smells like gasoline Only when speed 65+mph and no AC

Need Help! My 2006 CLK500 AMG W209 had a problem.
When driving on Freeway, 65mph+, if I don't turn on the AC, inside of the car will smell like gasoline. I need to open the window to not die inside the car lol.
Doesn't happen if go under Freeway miles, turning on AC will reduce the smell.
Not much Mechanics fix MB around me, don't want to go to the dealers.
Changed glove box air filter, don't see gasoline leaks from just looking under the hood, maybe deep down, idk.
Also, should I replace the valve cover if never been replaced? Reasons?
The car had codes saying: Right Substitute Light On and Right Lamp and Left Fog lamp something, but when I look out, nothing was wrong.
WHAT DO I DO?!
Guys plz help me out, just got this car half year ago, new to this community.
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Old Apr 15, 2019 | 12:58 PM
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2006 E55, 2012 GLK350 & 1992 190e sportline
Look under the right rear passenger seat. Pull the round black cover and see if there is had in there.
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Old Apr 20, 2019 | 10:08 PM
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Hmmm... can you be more specific?
Anything else I should check beside that?
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Old Apr 21, 2019 | 11:39 AM
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Dont know how to be except had was supposed to be gas. 99% chance that the sender is leaking gas like the said in your other post. It's not hard to get to and I have had to do them in all my 55 cars.
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