2016 Mercedes-Benz Metris: gas smell in the cabin

Filed Jan 3, 2026 · Fuel system · WA

Fuel smell in the engine compartment and visible leaking fuel on the lower hoses per the federal safety agency Campaign Number 18V837000. I previously complained about this in April 2025 (ID 11669847). Dealer inspected in April 2025 and replaced the lower hose, but I still would smell fuel. After a lot of my own troubleshooting over the last six months, I have determined that when the car has sat un-used for over 24 hours, the rubber fuel lines shrink just enough that the next time the fuel system is primed (pre-start routine when you unlock the car, or start the car), a small amount of fuel leaks out at the connection. If the car sits for weeks and then you start it up, fuel will visibly leak out of the rubber connection (I have video). Once the rubber line swells up again due to the fuel in the line, it will slow the leak. So, if you use the car daily, you will be less likely to notice a leak. If you use the car infrequently, you will be more likely to have a leak.

Filed Jun 27, 2025 · Fuel system · WA

There was a fuel smell emanating from the engine compartment during the vehicle pre-start routine (fuel pump priming). The dealership determined this to be a leak in the lower fuel hose to fuel line of the service connection per the federal safety agency Campaign Number 18V837000, however they refused to cover the cost of the repair because the recall work was previously completed in 2019. Corporate Mercedes Benz USA also refused to extend any goodwill toward this repair despite acknowledging it is the recall issue because the work was done once and is now considered out of warranty. Recall 18V‑837 only requires authorized dealer to inspect and replace as necessary, so I don't know if the previously completed recall work on my van actually resulted in replaced parts or not (I bought this van used after the recall work order was completed). This is a health and safety hazard and Mercedes should have a permanent fix, not give us a part that needs regular expensive maintenance.

Filed Dec 20, 2024 · Fuel system · CO

The fuel line is leaking again. I have had this replaced three times already. Once under warranty and twice out-of-pocket. Why wasn't the MY2016 included in the recall? The raw fuel smell permeates the cabin and is nauseating. This is a safety issue were something needs to be done for a permanent fix before someone dies in a fiery death.

Filed Sep 9, 2022 · Fuel system · CO

New heavy fuel odor in cab. I wonder how much fuel I am leaking. Where is the fuel that is being leaked out go? On a hot exaust system? Fuel line was replaced once by MB dealer. I think they used the same defective fuel line to replace the first one. One of the last times the van was in at the dealer they "didn't have time" to check the fuel line complaint. And there is no mention of my request in the service writers document that says I wanted it checked out.

Filed Mar 17, 2022 · Fuel system · OR

In 2019, the fuel line was recalled for my Mercedes Benz Metris. I had this fixed and it was ok for a while. In 2020, it started smelling like gas again. We moved out of state in 2020 and in 2021 I took it into my local dealership to have them look at it. They replaced the fuel line again. Since then, it has smelled like gas badly. It gives me headaches and I feel unsafe driving it. The dealership told me last time that this would not be covered under the initial recall from 2017 but they fixed it "goodwill." I do not understand how this could NOT be covered since the issue is still not rectified. I absolutely need to get this fixed correctly as the smell is very very bad and I worry that fuel may be leaking into compartments somewhere that could cause a fire. I am concerned for my safety every time I drive it for my business. Mercedes has been unhelpful, I contacted them in 2021 to tell the dealer to fix it, they never followed up with me, I have put two formal complaints in recently: 3/11 and today, 3/17, with no response from Mercedes.

Filed Jan 1, 2021 · Fuel system · WA

Fuel fumes inside cab when idling or very slow moving traffics

Filed Jun 13, 2019 · Fuel system · SC

I had the 2016 fuel line recall repaired in coconut fl by the mercedes dealer - however I can still smell gas fuel fumes when standing outside the stationary drivers door. It smells just like it did before the recall repair. Please tell me what to do to remedy this important safety issue. This has continued for over a month following the recall repair. It is now june 2019 it scares me to drive it. Please call and tell me what to do. The car is currently located in greeenville, sc - my summer home and is closest to the dealer I purchased it from in charlotte nc. My phone is [xxx] information redacted pursuant to the freedom of information act (foia), 5 u.s.c. 552(b)(6).

Filed Dec 10, 2018 · Fuel system · PA

Strong gas smell inside vehicle and gas leaks out on ground. Risk of fire it seems to happen most when warming it up or after parking it.

Filed Nov 17, 2018 · Fuel system · 48,571 miles · NH

Raw fuel smell, leaking

Filed Nov 9, 2018 · Fuel system · 26,000 miles · FL

Strong gas smell in the mornings after it sits overnight in my garage, especially on cold nights. It gets triggered when we open a door and the air starts circulating (before car is turned on). It started last winter and is happening still. I'm getting a little light-headed some mornings, especially when I can't open the windows (like when it's raining)

Filed Oct 17, 2018 · Fuel system · 59,000 miles · CA

Tl* the contact owns a 2016 mercedes-benz metris. The contact noticed a strong fuel odor inside and outside the vehicle during cooler weather. After the contact drove the vehicle for awhile, the odor went away. The dealer and manufacturer were not notified. The vehicle was not diagnosed or repaired. The failure mileage was 30,000. *tt

Filed Oct 8, 2018 · Fuel system · CA

The vehicle has a strong smell of gas. I took it for the service at mercedes benz in oxnard and they said there was fuel leaking. I still have no update on my vehicle after a week of leaving my car at their shot. No one has called me to updated was going on to my car. I need my car fix. Please help me.