Constant fuel smell coming from the engine, you can see gas coming out of the high pressure line. When I park in the garage the whole house smells like gas. Even while driving gas smell coming through the vents constantly

- Clinton Twp, MI, USA

Hi so i woke up this morning and my started my car as usual then noticed the smell of gas all around the car Inside and out. I got worried turned off the car and started sniffing around to see if i can find where the leak was and found out the high pressure fuel pump was leaking i looked up info on this part and it is very common on these car for that part to fail. Im very upset that there is no recall yet when the dealership told me that they do 2-3 of those jobs a week (HIGH PRESSURE FUEL PUMP REPAIRS) and still no recalls on this, what is it going to take to get one", my car has to blow up to get your guys attention?? Oh wait other Mercedes c300 cars in the united states already caught on fire please fix this saftey hazard i want to feel safe and not worry about catching on fire. ITS BEEN 6 years AND STILL HAVE NO RECALLS FOR THIS CAR ??"

- Lawrence , MA, USA

Heavy fuel/gasoline smell around engine bay began approximately 2 years ago while the car was still under original 5 year warranty. Fuel smell would persist outside of the vehicle despite the vehicle not being driven for multiple days. When driven, fuel smell would permeate into the cabin of the vehicle and cause mild headaches to the occupants. Taken to dealer to find cause of smell and was advised that there was nothing wrong with the vehicle. Fuel smell continues to persist since it was originally noticed without change and vehicle is no longer within warranty period. Recently, this vehicle was taken back to the same dealer for servicing for an unrelated issue. Told the service representative that there was a fuel smell that continues to linger around the vehicle when parked and inside the cabin. This inspection revealed leaks from two fuel lines and technician recommended replacement. Warning lamps, messages, or other indicators from the car never appeared.

- Henderson, NV, USA

Gas leak/ smell in cabin at idle

- Stamford, CT, USA

Suspension parts are rusting out fast I don't live in a salted road for black ice type of environment car only has 66K miles and ac pours fuel odors in the cabin interior materials are bubbling up fast even after uv treatments.

- El Paso, TX, USA

There is a fuel hose (parts number: 274 070 3500) connect to the high pressure pump in front engine area. The fuel hose was fastened by a clamp (not sure the parts number). Because of the design flaw, this clamp will loose since it's a snap joint assemblies not tighten by screws. Under this situation, the fuel hose will loose and affected by thermal expansion, this problem will cause fuel leak/seeping. We can smell fuel near the pump before we start car in cold in the morning and this smell can be smelled until the engine working into the normal operating temperature or when we turn on the ac or heater. Fuel is a very critical safety problem and usually we cannot take notice of this potential problem.this is been happening since 11/19/2019 the date when I bought the car till now

- San Jose, CA, USA

Intermittent fuel leak. Real bad gas smell in cabin coming through the vents. Driver side, in back, down between the engine and body. The fuel lines are pressurized, so it might only leak when the pressure builds up. I kept getting a strong gas smell the garage after parking for long periods.

- Harlingen, TX, USA

Gas leak in fuel line, while receiving an oil change from a licensed mechanic, he brought to my attention that, there was fuel leaking from the fuel line and showed (fuel line soaked with gasoline directly under the engine), I also noticed that when using the ac the strong smell of gasoline comes through the vents.

- Glendora, CA, USA

This car left me stranded on the side of the road. The car was on working fine driving along then all of a sudden pushing the gas pedal did nothing and the car would not move. The engine shut off completely. The engine was not getting gas. The electrical and everything else was on in the car except the engine. The system in this car has a double fuel tank that only works on one side. The entire fuel system is faulty. The manager at Mercedes told me himself that this is a design flaw in this car. There is no reason why a car with 24,000 miles should have broken down on the side of the road because the entire fuel system does not work. Faulty and horrible workmanship on a supposed luxury vehicle.

- Miami, FL, USA

I can smell fuel near the pump before we start car in cold in the morning and this smell can be smelled until the engine working into the normal operating temperature. Fuel is a very critical safety problem and usually we cannot take notice of this potential problem.

- Macomb, MI, USA

I took my car in for a multi point inspection at the end of November 2019 to Mercedes of bellevue. I begun smelling gasoline from the inside cabin of my car a few days after the service and had to take the car back to the dealership. They found that fuel hoses going to the high pressure fuel pump to be leaking fuel. With this being a potential fire hazard and a safety issue, I argued with the dealer that it should be covered under warranty, which I still had a cpo warranty from purchasing the vehicle from this specific dealership. I did some research online and found that, this is a very common issue with my vehicle model, 2015 Mercedes Benz C300. I am unsure why this issue is not yet recalled by the manufacturer or why the dealership did not honor this issue tto be covered under warranty.. as a concerned customer of the hazardous possibilities a fuel leak could cause, I still moved forward with paying for the repair out of pocket versus continuing to debate with the finance and service personnel that it should be covered under warranty that I still had at the time.

- Auburn, WA, USA

There's fuel smell coming into the cabin. Brought it into Mercedes dealer service center and they said it's 2 broken fuel line. It's a common issue with this generation C class but they refuse to fix it under warranty.

- San Francisco, CA, USA

Crankcase breather hose is leaking fuel. Fuel line is leaking fuel. This creates gas smell in the car. This is also unsafe due to the fuel leakage. Looks like this is a very common problem on these cars. It should be a recall.

- Cumming, GA, USA

When vehicle is cold the whole cabin smells like gas or when put heat on. The smell is very heavy when vehicle is stationary when drive it calls down, but at a light it comes back. Mercedes has many complaints about this problem

- St Coud, FL, USA

The vehicle has 67K miles. I noticed a gasoline odor coming from the ac a month ago since then, the odor intensity has drastically increased. The odor usually goes away after a few miles, however, today the odor did not go away and I noticed an onset of a headache since commencing the drive, I then became very drowsy and was very close to rear-ending the vehicle in front of me on the way home, but thankfully the collision warning system emitted a loud sound and I was able to react in time to press the brakes and avoid the collision. There was a recall on 3/10/2015 for vehicles manufactured between April 7, 2014, and July 25, 2014, for an issue with the fuel delivery module and the tank, my vehicle was manufactured January 2015, however, I believe the same issue is causing the gasoline fumes I have been experiencing in my vehicle ac system.

- Los Angeles, CA, USA

Gas smell coming from cabin every time I put heat on, come to find out dealership informed me there was a leak on gas hose and not covered by the warranty I have, only had the car for a year didn't drive my car in fear will explode plus im a smoker so I could of have blown up, plus battery they said was weak needs to B replace, again I barely drive and only had my car for a year cpo everything should of been new and running perfect

- Jersey City, NJ, USA

Gas smell coming from the engine when starting the car. The gas smell goes away but comes back everytime I start the car.

- San Jose, CA, USA

2015 Mercedes Benz C300 with 65 K miles. The secondary high pressure fuel pump (274070050180) leaked gas seriously. It was the unit itself not the connections or lines to it.

- Fort Lauderdal, FL, USA

A few days ago, I began smelling a strong smell of gasoline when I drove my car. This went on for several days, so I took my car into the dealership. As soon as I described my problem to the service staff and before they checked me in, they asked me if the model was a Mercedes C300. When I replied that it was, they said that they had seen this problem quite often on this model. Given the low mileage of 23,115 miles on my car, a fuel line leak would not normally be expected to occur. Considering that fact along with the reported commonality of this issue, I am concerned that, for other drivers with this potential problem, the symptoms may involve more than just the scent of gasoline and result in car fires or accidents. Neither the dealership nor corporate Mercedes have been responsive to my concerns.

- Denver, CO, USA

Fuel system, gasoline. There is a fuel smell coming inside of the car through the front filters. We have changed fuel injector ring however the smell is still there. Mercedes dealer is not willing to do anything about this. I see there are recalls on the same models produced a year prior. Believe this might be the same issue that was not resolved. NHTSA campaign id: 15V138000 ## VIN passed ## Mercedes-Benz C300 2015 ##

- Kearny, NJ, USA