This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.
So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.
Very strong gas smell both inside and outside of the car with check engine light on. This happened in May of 2022. Could not park the car inside the garage. Contacted MBUSA, they said there is an extended warranty for this vehicle for this problem, advised me to take it to Mercedes dealer. I took the car to the dealer. They checked it out and said it is not covered under the extended warranty because it has passed the mileage ceiling for PZEV which I do not know what PZEV is. I checked The NHTSA website, it says 15 years unlimited miles. I had no other choice but to fix the car at the dealer and pay for the cost. A few months later MBUSA sent me a letter telling me although it has passed the mileage I might be eligible for a refund and wanted me to file a claim at the dealership. I did and after over two months the dealer again told me it is not covered. I paid about $1100 for the repair and told MBUSA that the dealer does not honor what the MBUSA letter says. Now even MBUSA does not honor what they wrote me in their own letter. They say if my car was non PZEV it would have been covered" How was it my fault to have a PZEV vehicle? Why did Mercedes had PZEV and non PZEV? How is it the customer fault. Both vehicles have the same issue but why one is covered and the other is not" Please you be the judge.
Smell Heavy gas smell inside of the vehicle but not in the engine bay. Stronger smell in the back seat. Afraid car my catch fire while driving. Having to drive with windows down so i don't get droggy.
When car is filled with gas(full), a gasoline odor consumes my garage. When we open garage all you can smell is gasoline. When the car gets less than 1/2 tank, the fuel odor subsides. Usually when I take it to dealer I have 1/4 tank and smell is hard to detect. This has occurred for over 2 years but smell is getting worse /stronger it starting to give us headaches
Strong fuel odor after topping off. I drove the vehicle and it started to lose power and stalled on the road. The car was towed in the Mercedes Benz dealership.
- Chula Vista, CA, USA
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The fuel tank leaks strong gasoline vapor into the passenger compartment and outside the vehicle creating a fire hazard and imperils the driver's ability to properly breathe. The vapors are strongest everytime the fuel tank is filled over half way. Current repairs are going to cost $3000. The mechanic says the root cause is the California emissions required components that are nonstandard. There are no pictures as the leaky fuel tank is concealed under the back seat, below where my children sit.
I have a 2008 Mercedes E350 pzev model and the issue I came across is a major one. These models in particular have a big reputation on failing fuel pumps, and to make things worse on the pzev versions it can not be fixed unless the whole fuel tanked is swapped with a new one. The fuel pump is located inside the gas tank and its sealed just so there's no way of fixing the issue, on the other hand the non-pzev models have a replaceable pump which reduces the work and money to fix the issue. Mercedes has an applied extended factory warranty for the model W211 which covers this issue until 15years / unlimited miles for non-pzev models and 15years / 150K miles for pzev models. I see this very wrong because the pzev models are super expensive to fix and many people are over the 150K mile mark. This term should have been applied to the pzev models. I purchased this vehicle for $3,200 but to fix this problem it is over than $3,500. I am requesting Mercedes to help me on this situation as these cars are well know to fail in that department. As it stands this car is unsafe to drive, it releases lots of raw gas smell and sometimes it will not start. I want Mercedes to take full responsibility of this matter because this issue could have been a couple hundred dollar fix if the design after tank wasn't so bad. There are thousands of people complaining about the same issue with the pzev models and most of them are over the 150K mile limit which is not enough considering the age of the vehicles.
Fuel pump and sending unit is cracked causing fuel vapor to enter cabin. Also driver seat heater is over heating causing considerable discomfort and cannot be used. When I started to research these issues I found numerous other complaints for the same problems had been previously reported but I have not received a recall notice.
The contact owns a 2008 Mercedes-Benz E350. The contact stated that an independent mechanic diagnosed that the vehicle leaked fuel from the top of the fuel filter into the back seat of the vehicle. Also, the check engine indicator illuminated. The contact called Mercedes-Benz of Ontario at 909-212-8400 (located at 3787 E guasti rd, Ontario, ca 91761), but did not receive a return call. The manufacturer was made aware of the failure and stated that there was no recall. The vehicle was not diagnosed or repaired. The failure mileage was approximately 90,000.
My mbz E350 is leaking fuel. Very strong smell both from inside and outside. I believe this is extremely dangerous to the driver and or passenger in my car. Also, when gas tank gets filled up, my E350 engine will start but it will die within 5 to 7 seconds. I've contacted mbz usa to inquire about the issue, I was informed that there's no extended warranty available to address the issue. But I've couple of documents related to same issue in which mbz stated that they're extend the warranty to fuel components.
This is about 5 years I am smelling gas fuel inside the car.but on 05/24/2019 driving on the street, suddenly car stopped middle of street, after towing the car to mechanic shop, we find out fuel pump problem and unable to change the pump we need to buy fuel tank and fuel pump, which is very expensive.this should be on recall.because too many people complaing (according to your site)..car is 115000 mile.warranty are 150000 or 15 years...just imagine if I was driving on freeway with my wife...thanks in advance
Fuel has been pooling on the top of the fuel pump near sending, for months I would smell gas after filling up or even at about 3/4 of a tank. Assuming I had put in too much; inside fuel filler cover it warns not to top off tank. Something I didn't see until after the smell of fumes. Under mb's pzev warranty it states that if this is a part that could become defective and has given owners 15 years/150,000 whichever comes first to file a warranty claim and have it repaired or replaced at no cost to the owner. My vehicle has been out commission for almost 2 months because they simply believe that I have not maintain service of my vehicle, according to a comment made by one of their customer service representatives ( calls are recorded, debbie was the agent's name and call was made approximately around 10:15 am on Tuesday 2/19/2019. The diagnostic evaluation performed at park place motors co. In arlington tx, determined that it was my fuel pump and not the sending unit, stated in their warranty all fuel system components are included provided the vehicle is within the warranty coverage period. My vehicle has 142,164 miles and is just shy of 11 years old. After viewing and receiving reports of other owners who have had similar issues have their vehicles fixed, again I believe this to be discriminatory on the part of the dealership and mbusa and ask that contact be made to either or both to clarify why my vehicle does not fall within the guidelines of their written warranty coverage.
Car was being driven on a busy city street, stopped for red light, when I went to accelerate I had to pump the pedal-to be safe I decided to turn onto street at intersection where I was stopped at light, car came to a dead stop in middle of street. This was very close to the freeway on ramp that I was going to. Another 1/2 mile and had I not decided to turn off on to the side street the car would have stopped in the middle of a freeway with probable fatalities. Car had to be towed to repair shop. Fuel pump is inside gas tank in this model. Repair was $3373.88. Mercedes Benz dealer has parts in stock for a 2008 model. This is in itself is unusual and seems like they are expecting multiple fails. There are also multiple reports of same doing an online search. Should be recalled in my opinion.I have the repair receipt and all my previous records for maintenance on the car.
Fuel tank: Strong odor of fuel after filling up tank from rear of car, fuel tank area. Google suggests possible manufacture's recall. With heat emitting from exhaust area, could potentially lead to fire... I'm afraid for my wife and kids's safety. Is there currently an active recall? if so, tsb # please. If not, please duly note issues mentioned. Thank you. Nathan.
Drove the car 20 minutes started to notice smell out of the back seat gasoline 5 min later it stalled 2 streets from my house.. tryed starting the cranking over but no start. The next day shop called told me that both of the fuel pumps in the gas tank are bad. 1.500.00 dollar repair. Is that safe for fuel pumps do do that
Fuel odor & fail ed fuel pump issue. We took it Goodyear dealer. & they diagnosed the bad fuel pump & referred to tsb bulletin # 9-47-10-63 for extended warranty by Mercedes Benz usa. We called to confirm it & towed it to clear lake Mercedes dealer.. they denied the warranty & said it is win specific. This issue should a recall not a win specific issue. Our Goodyear shop tech. Is rec. To write you in this matter. Fuel odor & fail pump is a big issue on these E 350 models. Please look into this issue
After I filled the gasoline tank I noticed a strong gasoline smell inside the cabin. I got a bad headache from the fumes before I got home. I did not smell any gas in the trunk, engine compartment or in the fuel filler door. I ventilated the cabin and tried to determine where the smell was coming from. It seemed to be under the drivers seat or back seat. Even after sitting all night and having all the windows open all day it still wreaks of gasoline inside. The smell has not left the cabin and I am afraid to drive the car.
After refueling my car's gas tank I began to smell gas from driver/rear side when car is parked in garage. The smell disappears after about 50 miles of driving, but it comes back after refuel.
Fuel sending unit leaks when gas tank is filled...gasoline leaks onto top of sending unit allowing a strong smell of gasoline around car and in garage...after burning to about 3/4's of a tank smell dissipates..if lifting backseat and removing 6 screws and coverplate fuel can be seen pooled on top of sending unit..extended warranty (15 years ) on other Mercedes vehicles with same year groups experiencing the same symptoms/problems but not our particular model...don't understand why...this is a defective design...been driving 40+ years do a lot of work on own vehicles and have only seen this problem 1 other time on our 2006 Chrysler pacifica ( both tanks) same type of setup...this was when they were doing joint development with daimler...same faulty design....dangerous!!!!!
A D V E R T I S E M E N T S
- Paradise Valley, AZ, USA