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Mercedes Benz E500 fuel leak problems

64 of the 460 owner complaints about the Mercedes Benz E500 describe fuel leak, most of them for the 2005 model year.

owner complaints
64
worst model year
2005
typical repair cost reported
$1,700
typical mileage
85,000
Is there a fix? No recall or service bulletin covers this area of the car yet.

By model year

What owners say

Filed Mar 11, 2026 · Fuel system · 77,000 miles · CA

The contact owns a 2006 Mercedes-Benz E500. The contact stated that while driving at an undisclosed speed, the contact became aware of a fuel leak, and the check engine warning light was illuminated. A diagnostic test revealed an Evaporative Emissions (EVAP) control system leak. The vehicle was not taken to a dealer to be diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage was 77,000.

Filed Jul 22, 2025 · Engine, Fuel system · CA

Car smells like gas. Constantly a couple machanic. Did some repairs. But there’s a small leak as well from a smoke test. Gas leaks in more than one area. Oil leaks everywhere. Evap leak didn’t pass smog. Then went to a smog station and repair. Check engine light back on again. I saw Mercedes had an extended warranty to avoid recalling several safety complaints. I got the car from a guy who never looked into recalls or extended warranty for these complaints. Please help me to get refunded what I payed so far with repairs on gas leaks. Also to repair the whole gas system. It is dangerously ongoing. I never got notified by Mercedes nor did the previous owner.

Filed Dec 21, 2023 · Fuel system · 40,000 miles · CA

The contact owns a 2005 Mercedes-Benz E500. The contact stated that fuel was leaking from the fuel tank. There was an abnormal odor of fuel inside the vehicle. The contact refueled the vehicle and there was an abnormal odor of fuel outside of the vehicle. There were no warning lights illuminated. The contact called the local dealer, who stated there was no warranty coverage. The vehicle was not diagnosed or repaired. The manufacturer was contacted, but no assistance was provided. The approximate failure mileage was 40,000.

Filed Sep 18, 2022 · Fuel system · NM

I have a smell of fuel on the rear driver-side wheel. Seems like there is a fuel leak from either the fuel filter module or it is a tank leak. I took off the rear cushion and we can see and smell fuel visibly on the left side under the seat queshon and over the fuel filter module. Seems like there was a similar problem with the 2003-2006 e class and the 2006 cls class vehicle. I think this is a safety issue as I have seen online many other customers are having a similar issue. I think it will be a fire and safety hazard and should be investigated.

Filed Sep 7, 2022 · Fuel system · 71,000 miles · TX

The contact owns a 2004 Mercedes-Benz E500. The contact stated while driving 55 MPH, there was an abnormally strong fuel odor inside the vehicle. The contact stated that upon making a stop, he noticed fuel leaking onto the driver's side rear wheel. The vehicle was taken to an independent mechanic where it was diagnosed that the failure was associated with an unknown recall for the fuel tank. The dealer was notified of the failure and informed the contact that the vehicle was out of warranty. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 71,000.

Filed Apr 28, 2022 · Fuel system · HI

The 2005 E500 W211 gas tank cracks leaking fuel sending unit and fuel pump. The odor of gas permeates the cabin, recall campaign number 2008-020001, and it’s extension information of 15 years dated Jan. 2015 signed by Ralph S. Fisher GM customer assistance center. The dealer in Hawai’i refuse to honor the recall warranty. It’s traveling a bomb.

Filed Jan 12, 2022 · Brakes, Fuel system · CT

the car has smelled like gas from the minute i received it. the previous owner told me that mercedes had quoted 5 grand to fix it so i would only put half a tank in at a time. turns out there was a warranty on it but has since expired. why wasn't it fixed for free when the previous owner brought it? this is very dangerous and can cause an explosion. the warranty should have been fixed rather than quoted and seems very greedy to not disclose that information but instead giving a quote. i have lung and heart problems and this is a definite safety issue that needs to be corrected regardless of the age of the car also brought it to dealership scared and they told me too bad it's been too long. how is a gas leak an ok thing to dismiss?????? i have been trying to get this fixed for years and this is my 2nd attempt for a recall with no response at all

Filed Jul 22, 2020 · Fuel system · 117,000 miles · FL

While the vehicle was on the highway the car lost power. Pulled over for visual inspection, noticed the fuel was leaking rapidly. Immediately shut off the car. Had vehicle towed to local mercedes benz dealership. Dealer verified the tank was leaking.

Filed Jan 8, 2020 · Engine, Fuel system · 180,000 miles · NY

Tl* the contact owns a 2004 mercedes-benz e500. While the vehicle was being refueled, the contact became aware of a fuel leak. The contact stated that there was an abnormal odor detected outside of the vehicle. The contact stated that the the instrument cluster was red and the check engine warning light was illuminated. The vehicle was taken to mercedes-benz of goldens bridge 321 ny-22, goldens bridge, ny 10526, (914) 232-8122 to be diagnosed. A fuel leak was confirmed however, the vehicle was not repaired. The manufacturer was not contacted or informed of the failure. The failure mileage was 180,000.

Filed Oct 13, 2015 · Fuel system · 96,000 miles · CA

Shortly after filling the fuel tank, I smell gas fumes towards the back of the car behind drive side outside. There is no fuel leaks that drop on the car and also there is not fuel leaks under the hood of the engine neither.

Related recalls

No recalls on record for this model year.

Questions about the Mercedes Benz E500 fuel leak

Which Mercedes Benz E500 years have fuel leak problems?

The model years with the most reports are 2005 (23 complaints), 2004 (22 complaints) and 2003 (13 complaints).

How much does it cost to fix fuel leak on the Mercedes Benz E500?

Owners who mentioned a price put the repair at about $1,700 (median of 9 complaints that include a dollar amount). Costs vary with mileage, warranty and where the work is done.

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