Mercedes-Benz AMG Cls55 fuel smell problems

Filed Apr 16, 2022 · Fuel system · CA

Fuel smell inside of cabin

Filed May 10, 2021 · Fuel system · 88,000 miles · TX

Anytime fuel tank is filled, there is strong gasoline smell. It seems smell is most intense when parked inside the garage. Gasoline smell persists when driving. Usually notice smell minimize when car has run for approximately 24-50 miles distance. Old dealer mentioned fuel tank would have to be replaced. This had been an ongoing problem since purchase of this used vehicle in 2013.

Filed Aug 30, 2020 · Fuel system · 140,147 miles · CA

Extreme gas smell inside car when I got into car this morning..

Filed Dec 11, 2017 · Fuel system · 140,000 miles · CA

Car smells of gasoline inside and on engine bay, mercedes forums specify a recall has been issued to fix problem

Filed Nov 14, 2014 · Fuel system · TX

Fuel sender unit was recalled in 2008, only months before we purchased the vehicle as the 2nd owner. This was purchased as a certified pre owned vehicle. We have obtained a vehicle master inquiry from mercedes benz and there is nothing that makes it very clear that the original recall was ever handled properly. In 2013, we experienced s strong odor of fuel when the car was filled with gasoline. The car seemed to lag at takeoff, out of turns, and idled roughly. When the vehicle was brought in for service, we were told nothing of the recall, and were charged $1,015.00 to replace the part (which was the exact part # of the faulty unit). Over the last few months, we noticed the smell again once in a while. The vehicle displayed the same signs as the previous time. At this point, the fuel smell is so strong, the vehicle is almost undriveable. When in the garage, you can smell the fuel through the wall into the closet (the closest room beyond the garage). We are in firm belief that we should be reimbursed by mercedes benz for charging us for repairs that should have been repaired under the recall notice, which our VIN is included under, and we should now receive the repairs free of charge due to the recurring nature, original recall, handling of the situation, and ongoing investigation. This is no coincidence, and mb is attempting to sweep the situation under the rug. They are failing to stand behind their claims of "german engineering," excellent customer service, etc. Etc. This is not what you expect from a vehicle with a $94,000.00 base price.

Filed Sep 25, 2014 · Fuel system · 117,000 miles · TX

Tl* the contact owns a 2006 mercedes benz cls55. The contact stated that fuel fumes were emitting from the rear of the vehicle and the check engine light illuminated. After inspecting the vehicle, the contact discovered a puddle of fuel under the back seat. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the issue. The failure mileage was 117,000.

Filed May 24, 2014 · Body, Fuel system · 57,790 miles · HI

Cracks at the top of the fuel sending unit cause fuel to leak out after filling tank. Fuel smell in cabin extreme, fuel then leaks out near left rear wheel and pools where parked. Certainly a safety issue!

Filed Apr 13, 2014 · Fuel system · 74,800 miles · AL

After fill up started smelling strong fumes of gas in vehicle. After about 2 days of sitting got in vehicle the smell was unbearable. Tried to ride some of the fuel off thinking it would take away smell, but to no avail. Decided to remove back seats to see if sending units were leaking in which I had heard about thru mb forums and wow there it was the rear passenger seat the side where the fuel goes in was soaked underneath and very damp on top of tank with fuel, on the driver's side it was the fuel smell not damp like the other side, but seat was strong of the odor of gas. What can be done about this is what I want to know. This could be very dangerous im afraid to drive car now.

Filed Apr 9, 2014 · Fuel system · TX

I am among the hundreds of complaints I have read about with mercedes fuel tanks leaking. I have a cls55 and for the last 2+ years I have been arguing with mercedes about a very strong fuel smell inside and out of the vehicle. While in warranty, my local dealer tried to repair the problem by replacing the sending unit twice. To no avail, the problem was never diagnosed and or repaired correctly. Now that I am currently out of warranty, they seem to know what the problem is. I need a new fuel tank. I won't mention what they quoted to repair it. I had an outside mechanic inspect the sending unit and tank and I could very clearly see the fuel pouring from the top of the tank and pooling at the sending unit. The fuel pump was also leaking. I have spent many hundreds of hours discussing this with dealers as well as mbusa, and the end result was that it will not be repaired. They offered to replace the tank for $1000 out of pocket cost to me. I am disgusted by the way I have been treated and their lack of responsibility for the safety of everyone on the road. If you ever see a silver cls55 in the houston area, please do not smoke or light a match next to it.

Filed Jan 17, 2014 · Fuel system · 62,475 miles · PA

Strong odor of fuel after filling tank. This quickly lead to fuel odor anytime car was started. I became aware of similar problems posted about my vehicle online. I removed the back passenger seat and inspected the fuel pump below panels and found that the driver side plastic pump hanger assembly is leaking at the plastic 90 degree fitting and filling the area with fuel and spilling over onto the top of the tank. The vehicle is unsafe to drive with the amount of fuel escaping.