SL55 AMG, SL63 AMG, SL65 AMG (R230) 2002 - 2011 (2003 US for SL55 and 2004 for the SL65)

SL55/63/65/R230 AMG: Sl55 fuel tank smell, help!

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Old Apr 24, 2014 | 11:45 AM
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From: Essex, UK
Lamborghini Gallardo Spyder, 2010 W212 E350, 1990 W201 190E, 2019 Volvo V90 R design, Golf GTi
Sl55 fuel tank smell, help!

Hi all,

Been a member for sometime but never really posted!

I've recently purchased an 2003 SL55, VERY happy with it, leagues ahead of my old SL500 however as per most of these they have a few niggles which i'd like to sort to make it 100%. I've ironed out most of them but one which I cannot get my head around is that I have a fuel smell inside the cabin which is even stronger in the boot (or trunk in the US!). I cannot smell it at the front under the hood. Its stronger when left parked up but can still smell it when driving.

I've stripped back the boot inners to inspect the back of the tank where the sender is but cannot see anything obvious. With my nose right up to the sender I can smell the fuel but don't think it is strong enough to emit throughout the whole car. As a test though I did completely cover the sender, taped around it to try and 'block' the smell as much as I could. Needless to say it made no difference.

So has anyone got any ideas, can I presume my tank has a crack somewhere, if so where do they normally go, or are any of the fuel pipes prone to splitting? I have looked under the car with a jack and cannot see anything obvious but am taking to a friends who has a ramp tomorrow. Will I be able to see the tank from underneath or can anyone give me any guidance where i should be looking before taking to a dealership to get my wallet raped?! (the baffle seems fine so no knocking / issues there).

Thanks
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