Fuel leak or fuel odor on the 2003 Mercedes Benz AMG E55
When fuel leak or fuel odor gets reported
Owners of the 2003 Mercedes Benz AMG E55 report fuel leak or fuel odor at a median of 80,000 miles. A quarter of the reports come in before 70,000 miles and a quarter after 100,000 miles, from 13 reports that carried an odometer reading.
A part like this is normally expected to survive 90,000 miles. It is the 2nd most-reported problem on this model year.
The mileage distribution
The reported range runs from 55,000 miles at the tenth percentile to 145,000 miles at the ninetieth, a spread of 86,180 miles across the middle 80% of reports.
When the reports scatter this far, the mileage is telling you about how these cars were driven more than about the part itself.
0% of the dated reports were filed under 36,000 miles.
The whole distribution
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| 57,220 miles | 68,800 miles | 82,000 miles | 101,000 miles | 143,400 miles |
Read the 10th percentile as “one report in ten arrived this early”. Exact figures are shown in this table because it is the table of record; everywhere else on the site they are rounded to the precision the sample can carry.
What a percentile can and cannot tell you here
These five numbers describe the readings owners gave, in order. The median is the middle one: half the reports arrived below it. The 10th and 90th are the edges of the bulk of the distribution, and the distance between them is the part worth reading. A tight spread — say 70,000 to 95,000 miles — points at something that wears out on a schedule, and the schedule is knowable. A wide one, 20,000 to 190,000, points at a fault that hits some cars and never troubles others, which means the mileage on the listing in front of you tells you very little about your odds.
What these figures are not is a survival curve. Every reading here comes from a car whose owner filed a complaint, so the sample contains only failures: it cannot say what share of the fleet made it past 150,000 miles untouched, because those owners had nothing to report. Nor is the mileage the moment of failure — it is the odometer reading as recalled at the time of filing, which may be weeks later and is sometimes rounded to the nearest ten thousand by the person typing it.
Percentiles are shown at all only once 8 readings exist for the vehicle and mode. Below that the middle of a handful of numbers is noise wearing a decimal point, so the figures are withheld rather than dressed up.
What happens, and what it costs
Putting it right typically runs $300–$2,500 at an independent US shop. That range is an editorial estimate held in this site's failure-mode catalogue, not a figure from NHTSA, and it is a repair cost rather than a diagnosis cost.
This mode is classified as critical, which means a failure can leave the car unable to stop, steer, or stay out of the way of traffic. It is weighted accordingly in the risk score.
The same failure on other years
The same failure is reported on 4 model years of this car. It shows up earliest on the 2006, at a median of 70,000 miles, and latest on the 2003 at 80,000 miles.
By volume the 2005 carries the most reports, with 42; the 2003 has 16. A mode that appears across most years of a model is usually a design choice rather than a bad batch.
If one year stands out to the left, that is the year to avoid; if the whole line sits at a similar mileage, this is wear rather than a defect in one production run.
Tick median reported mileage Solid middle half of reports Faint 10th to 90th percentile Colour how bad the failure is when it happens
What owners wrote
Verbatim from NHTSA complaint narratives, trimmed for length. The mileage is the one the owner gave.
Tl* the contact owns a 2003 mercedes e55. The contact was driving 35 MPH when he noticed an overpowering gasoline fuel odor from the vehicle interior. The dealer made repairs to the fuel tank seals. Later while refueling the vehicle, the contact noticed a large puddle of gasoline under the vehicle. He further inspected the failure and found a large puddle of gasoline fuel atop the fuel tank. The contact stated the vehicle was previously repaired under an unknown manufacturer's recall for the fuel assembly in 2008. The vehicle was not further repaired. The failure mileage was 55,000 and the current mileage was 64,000.
I came out to my car the morning after filling up the tank fully and smelled a strong odor of gasoline inside the car. I drove it to the dealer and it turns out the fuel filter/fuel sending units had cracked and were leaking fuel. There is a sending unit on either side of the fuel tank under the rear passenger seats, and the fuel was leaking out the tops of these sending units into the cabin of the vehicle. Because I caught it early, the gasoline had only pooled on the top of the fuel sending unit and not spilled into the seats and footwells. The dealer diagnosed the issue as cracked sending units and said both needed to be replaced. I did some research online and found that there had been a voluntary recall on my car in 2008 by mercedes-benz for this exact issue. The recall had been performed but clearly had not fixed the issue, as these parts failed again less than 2 years later. This complaint is the same as another complaint already filed on this vehicle model and year. The dealer replaced both sending units as a repair to the issue. *tr updated 05/02/11 *bf updated 12/29/11 *cn
I am a single 1 owner of a 2003 mercedes benz e55 amg and it is leaking fuel into the back seat above the tank. The recall that was issued in 2008 were performed and it is now leaking again, and has wrecked the insulation above the tank. Mb refused to help. *tr
Also reported on the 2003 Mercedes Benz AMG E55
Other fuel system problem
Fuel pump failure
Fuel tank, filler or EVAP failure
Airbag warning light or occupant sensor fault
Airbag inflator rupture
Radiator or coolant leak
How far this goes
Complaints are voluntary, so 16 is a floor and not a count of affected cars. Mileages are typed in by owners and cluster on round numbers. And the mode itself is assigned by software reading the complaint text, which is reliable in bulk and fallible one report at a time.
Questions this page answers
At what mileage does fuel leak or fuel odor happen on the 2003 Mercedes Benz AMG E55?
Across 13 owner reports that included an odometer reading, half were filed by 80,000 miles. A quarter were filed before 70,000 miles and a quarter after 100,000 miles. These are the mileages owners reported when they complained, not a prediction for any individual car.
How common is fuel leak or fuel odor on the 2003 Mercedes Benz AMG E55?
16 reports have been filed with NHTSA, about 3.4 per 1,000 vehicles. Complaints are voluntary, so this is a floor rather than a count of affected cars.
What this is and is not. These are the mileages at which owners chose to complain to a federal agency, which is not the same as the mileage at which the part fails on every car. It skews toward failures that happened outside warranty, cost real money, or frightened someone. It is still the only public dataset that carries failure mileage at all, and the shape of a few hundred readings is informative even when a single one is not. Methodology · JSON · this failure on other cars
Source Owner complaints and recall records published by the US National Highway Traffic Safety Administration, model years 1996–2027 Figures rebuilt Published by AtWhatMileage How every figure is computed