really awful
Crashes / Fires:
1 / 1
Injuries / Deaths:
4 / 4
Average Mileage:
197,120 miles

About These NHTSA Complaints:

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.

2005 Mercedes-Benz E320 fuel system problems

fuel system problem

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2005 Mercedes-Benz E320 Owner Comments (Page 3 of 4)

« Read the previous 20 complaints

problem #36

Jul 152013


  • 120,000 miles


The contact owns a 2005 Mercedes Benz E-320. The contact stated that while parked, he noticed a strong gasoline odor. The contact inspected the rear seats and noticed fuel leaking under the seats. The manufacturer was not made aware of the failure. The vehicle was not repaired. The approximate failure mileage was 120,000.

- Austin, TX, USA

problem #35

Jan 022013


  • 95,000 miles
The contact owns a 2005 Mercedes Benz E-320. The contact stated that after refueling, gasoline fumes were emitted in and around the vehicle. The vehicle was not taken to the dealer. The manufacturer was not made aware of the failure. The vehicle was not repaired. The VIN was not available. The failure mileage was 95,000 and the current mileage was 100,300.

- Bowie, MD, USA

problem #34

Sep 302013

E320 6-cyl

  • 105,276 miles
The car has a strong odor of gasoline both inside and outside of their vehicle, particularly after refueling. It appears that the gasket on the fuel tank leaks.

- Elk Grove, CA, USA

problem #33

Oct 042011


  • 75,000 miles


The contact owns a 2005 Mercedes Benz E320. The contact stated that while the vehicle was parked in a residential garage, an extremely overpowering gasoline fuel odor emitted continuously from the vehicle. The contact did not detect a fuel leak. The vehicle was taken to an independent mechanic for diagnosis where both fuel tank gaskets were replaced. The failure persisted after the repair was performed. The vehicle was not further repaired. The manufacturer was notified of the problem. The approximate failure mileage was 75,000.

- Dunn, NC, USA

problem #32

Apr 032013


  • 50,000 miles
The contact owns a 2005 Mercedes Benz E320. The contact stated that after refueling, fuel fumes were emitted around the vehicle. The contact mentioned that fumes were so strong that it was seeping into the house from the garage. The vehicle was not taken to the dealer. The manufacturer was not made aware of the failure. The vehicle was not repaired. The failure mileage was 50,000 and the current mileage was 57,000.

- Centennial , CO, USA

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problem #31

Mar 132012

E320 6-cyl

  • 114,000 miles
Our car was purchased off lease around November 2008. It had 47,000 miles on it when we purchased it. We noticed that when we filled the gas tank up the gas fumes were strong in the garage since the time we purchased the car. In March 2012 the check engine light came on while on a trip shortly after that gas tank was filled. I read the manual and stopped by an auto zone and they told me it was probably due to the gas cap being loose and the fuel tank loosing pressure and they cleared the warning. The light has come on a few times since then and I have had it cleared twice at auto zone since I did not think there was a big problem and I was in between services. Within the last six months I have had it the Mercedes service department and they told me they did not know why the check engine light was on and that they did not have enough time to find out what was wrong. Yesterday, September 25, 2013, I went to a Mercedes Benz specialists, local mechanic that only works on Mercedes and uses Mercedes parts, for an annual oil change and checkup and asked him to check out the problem that the Mercedes service department did not know what was wrong. He tested the fuel tank using a system to detect leaks and noted that the top of the fuel tank had a crack and I need to replace the fuel tank and it would cost $2,082. Over the past few years I just filled the tank to half or three fourths so it would not emit fumes, however, I filled it up for a trip last week and you could smell the fumes badly in the car. Our car has about 134000 miles on it now.

- Atlantic Beach, FL, USA

problem #30

Aug 072012


  • 110,000 miles


I purchased a 2005 Mercedes Benz E320 which has been garaged and very lightly driven. (only on weekends or days off) after six months and refueling a few times I started to notice an odor of gas in the cabin of the vehicle. This odor has gotten worse and stronger over time. The odor is also noticeable in the garage as well as around the exterior of the car. This seems like an indication that more gas is present and possibly leaking somewhere near the gas tank. I am fearful of driving it as the concern over fire is present as my kids ride in the rear seat. I would appreciate someone looking into/investigating this to see if it is indeed a Mercedes problem and possible recall prospect.

- Chandler , AZ, USA

problem #29

Sep 062013


  • 71,000 miles
The contact owns a 2005 Mercedes Benz E320. The contact stated that after refueling, the vehicle would emit a strong gasoline fuel inside the cabin. The contact took the vehicle to a dealer for a diagnostic test, which confirmed a leaking fuel sending unit that caused fuel to leak behind the rear seats. The dealer replaced the fuel sending unit. The contact did not call the manufacturer. The failure mileage was 71,000.

- Palm Beach, FL, USA

problem #28

Sep 212012

E320 6-cyl

  • 105,500 miles
Strong gas smell in the cabin and in my garage after I'd fuel up. Researched online and found many with similar experiance. Sending unit.

- Plano, TX, USA

problem #27

Jun 012011


  • 63,350 miles
When the strong vapor of gasoline first occurred, I promptly took my vehicle to the dealership. After examination, the vehicle required a new gasket on the fuel sending unit. This corrected the strong fuel vapor after fill-up until now. In June 2013, with approximately 73,000 miles, the strong vapor reappeared both inside and outside the vehicle. Upon inspection by Mercedes Benz coral gables, I was told the vehicle required a new fuel tank, as there is a small crack at the top of the tank. The tank was not dropped, but rather, the diagnosis was based on previous experience by the service department. An occurrence they have seen in the amg class and appearing as well with the E class. I elected not to fix the problem as I was informed that as long as "you don't fill up all the way" it shouldn't be a problem. I subsequently called two additional mb dealers and the service writer at each business said the same thing. I want to make a formal complaint with the NHTSA so that my vehicle is logged with the many others and addressed by Mercedes, as it would appear this is a defect in the design of the fuel tank or a defective part. A recall is the only solution, and if Mercedes Benz's reputation is based on "safety", then this is the only viable resolution.

- Coral Gables, FL, USA

problem #26

Jan 022012

E320 6-cyl

  • 75,000 miles


When 2005 E320 has gas tank filled, there is an overwhelming fuel odor in the passenger compartment and outside the vehicle. The fumes dissipate when the fuel level decreases from full to 3/4. car was taken to Mercedes dealer for service and this problem was listed for the repair person. They found no problem. Year and a half later, I again asked Mercedes dealer to look at this issue. They said it was a leak in the fuel sending unit which is connected into the top of the gas tank. At a cost of $800, the fuel sending unit was replaced. I picked up the vehicle and the fuel smell inside the car was so strong it made me and two clients nauseous with severe headaches the following day. I returned the car to the dealer, and upon further inspection, they now tell me the fuel sending unit was leaking but the gas tank itself also is cracked and leaking which needs to be replaced for another $2,000. I opened a complaint with Mercedes Benz usa. After their sham of an investigation, they said they would offer me a 50% discount on the fuel tank replacement or assistance on the purchase of a new vehicle. The car now has 118,000 miles and is out of warranty. I have no choice but to make the repairs. You should not have to replace a gas tank on a vehicle of any age, and I am afraid of continued safety problems from poor engineering design with the replacement parts if the car is involved in any accident.

- Cincinnati, OH, USA

problem #25

Apr 122009

E320 6-cyl

  • 65,000 miles
The contact owns a 2005 Mercedes Benz E320. The contact stated that the driver of the vehicle was traveling approximately 40 mph when another vehicle crashed into the rear passenger's side of the vehicle. The vehicle immediately became engulfed in flames. The driver was fatally injured with trauma to the head. The passenger was fatally injured with trauma to the torso and the two rear passengers died from smoke inhalation. The police were on scene and a report was filed. The contact stated that the fuel system may have been the cause of the fire that erupted upon impact. The cause of the fire was not determined. The manufacturer was not made aware of the failure. The approximate failure mileage was 65,000.

- Lithonia, GA, USA

problem #24

Mar 012013

E320 6-cyl

  • 110,000 miles
I own a 2005 Mercedes Benz E 320. I noticed the smell of gasoline coming from the car, especially after filling up, for several months. It had gotten progressively worse over time, so I had it checked early on by my mechanic but observed no leaks. The gas vapors continued to become worse, so bad that I had to park the car outside for fear of explosion and/or fire. My gas water heater is in the garage and my childrens bedroom is above it. Early on, my whole family began having headaches, nausea, and burning watery eyes. We now know it was gasoline vapors emitting from the faulty gas tank seals which are located below the rear seats. I took it to the dealer near my home; walters Mercedes Benz. The service agent, [xxx], called and said that the seals in the gas tank were leaking and it would cost $750 to replace them. Also, the technician observed some possible leaking on another hose to the tank and it would be $2,400 to have the whole tank replaced. I found this outrageous, but had no other choice. After doing some research I found that Mercedes had a recall because of the same problem to other cars similar to mine. The service managers at walters said that my VIN number didn't match the recall. So, I called mb usa (800-367-6372) to have a case opened. [xxx] (ext [xxx]) is the case investigator assigned. His supervisor is [xxx]. (ext [xxx]). I explained the above to andrew H. who stated that he would be contacting walters service department manager and get back to me within 48 hours. Mb usa refused to admit or solve the problem. I paid to have the entire gas tank replaced. 3/13/13 @ 9:33 call from (201)476-6200 mb case investigator [xxx] ext.[xxx] general number for mb 800-367-6372 information redacted pursuant to the Freedom Of Information Act (FOIA), 5 U.S.C. 552(B)(6).

- Corona, CA, USA

problem #23

Feb 012013

E320 6-cyl

  • miles
My car remits strong gasoline odor each time that I refuel my tank. When I noticed this smell I thought it had to do with the gas cap. I took my car in to be inspected by a local Mercedes dealership and was told my fuel tank is leaking and needed to be replaced. My car had about 45000 miles on it when I first noticed the smell. A car with that low of mileage should not be experiencing a fuel tank leak. I am serious concerned about my car catching fire and exploding. Please help.

- Dallas, TX, USA

problem #22

Jun 132012


  • 123,000 miles
The fuel tank leaks when tank is filled above 3/4. gas pools under rear seat and leaks under car.

- Lenexa, KS, USA

problem #21

Apr 022013

E320 6-cyl

  • 70,600 miles
Fuel leak, smell of gasoline in garage. Possible leaking fuel tank, leaking fuel sending unit or fuel sensor malfunction. It is dangerous and may cause fire or explosion due to the fuel leak. It needs to be recalled to fix this dangerous issue.

- Cerritos, CA, USA

problem #20

Feb 072013

E320 6-cyl

  • 62,000 miles
Couple of months back, I started to get the strong gas smell every time I fill up the gas tank. The smell stays there for 2-3 days. It's so strong that it fills up the whole garage with that foul gas smell. Sometime we can even smell it in our laundry. The entire car cabin gets full of fuel smell after I fill up the tank and my kids refuse to sit in the car. I always fill up gas at chevron and it comes with techron. I was thinking that it's the techron smell and since it used to go away in a day or two, I never worried about it much. But today when I took the car to the dealer to fix some other things, he also noticed the gas smell and told me that the left fuel sending unit on my car is leaking and needs replacement. It seems to be a very common issue with E class cars and mb should recall or repair it for free.

- Chandler, AZ, USA

problem #19

Mar 072013


  • 125,000 miles
The contact owns a 2005 Mercedes Benz E320. The contact stated that there was strong odor of gasoline inside and outside of the vehicle after being refueled. An appointment was secured with the dealer for a diagnostic test. The vehicle was not repaired. The VIN was unavailable. The failure and current mileage was 125,000.

- Virginia Beach, VA, USA

problem #18

Mar 012008

E320 6-cyl

  • miles
The contact owns a 2005 Mercedes Benz E320. The contact stated that after refueling, there was a strong odor of gasoline inside the vehicle. The vehicle was taken to the dealer where they advised him that the fuel tank fill failed. The vehicle was repaired however, the failure recurred three times. The manufacturer was not contacted. The failure mileage was unknown. The current mileage was approximately 140,000.

- Bowie, MD, USA

problem #17

Mar 082013


  • 48,500 miles
The contact owns a 2005 Mercedes Benz E320. The contact stated that there was a strong fuel smell. The contact inspected the vehicle and noticed fuel leaking from the fuel sending unit. The manufacturer was made aware of the failure. The vehicle was not repaired. The approximate failure mileage was 48,500.

- Gilbert, AZ, USA

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