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Smell of gasoline in the morning that goes away after 10 min of driving

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Old 01-05-2022, 09:58 AM
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Smell of gasoline in the morning that goes away after 10 min of driving

Hi,

For the last 3 days, when I entered the car in the morning, there is a smell of gasoline. I checked around and did not see any leak. After driving for 10 min, the smell goes away.

I searched on internet. Most suggested it's some leak in the fuel system

What could I do to check?

thanks

Last edited by cheerful; 01-05-2022 at 10:01 AM.
Old 01-05-2022, 10:47 AM
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2016 C300 sedan
It's a known issue, leaks at the fuel hose fitting at the top of the engine where it connects to the fuel pump. Goes away when the engine warms up. I've attached a warranty extension originally posted on this forum by NDR.

I fixed mine the other day by replacing a defective or poorly installed clamp, I'll post pics of what I found/did later today in another thread so other DIY's can see if the same scenario applies to them. I'm out of the warranty window so I couldn't have the dealer remedy, if within the warranty window I would have certainly let them fix it.



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Old 01-05-2022, 05:49 PM
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Thank you!

Now I know I'm not driving a time bomb. Just called dealer to schedule a service. They said they will charge diagnostics. If confirmed, they will waive it and do it under warranty.
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Old 01-06-2022, 04:18 PM
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I also got that extended warranty letter. Do i need to wait for the fuel hose to leak or will the dealership replace it before it happen. Thank you
Old 01-08-2022, 05:06 PM
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Originally Posted by rdr6765
I also got that extended warranty letter. Do i need to wait for the fuel hose to leak or will the dealership replace it before it happen. Thank you
Don't wait for gas to potentially leak and start a fire. Have them evaluate and take the appropriate action. That way you are also covered legally if something related happens to your car.

(don't mention that last part to them)

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