IllustrationTL* THE CONTACT OWNS A 2008 MERCEDES BENZ E350. THE CONTACT STATED THAT AFTER REFUELING THE VEHICLE, THERE WAS A STRONG ODOR OF FUEL PRESENT. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 100,000.
2008 MERCEDES-BENZ E350
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2008 MERCEDES-BENZ E350 do not stand out strongly from the model-year median of 161.
About this comparison →How this year compares
Owner complaints by model year
Compare all E350 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
60–25K
2025–50K
2650–75K
3375–100K
39100–150K
11150K+
135 reports with mileage · 38 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Fuel/propulsion System. Review the 65 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Fuel System, Gasoline. Review the 22 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Seats. Review the 20 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
8 crash reports9 fire reports7 injury reports
Fuel/propulsion System complaints
65 reportsI PURCHASED THIS USED CAR AND PARKED IN MY GARAGE-CAME OUT ABOUT AN HOUR AFTER PARKING AND NOTICED A VERY STRONG RAW GASOLINE SMELL COMING FROM THE DRIVERS REAR INSIDE THE COMPARTMENT. I REMOVED THE BACK SEAT AND THE FUEL TANK SEAL IS LEAKING. TOOK THE CAR TO A REPAIR SHOP TO CONFIRM AND THEY AGREED THAT THE FUEL PUMP, SENDING…
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I PURCHASED THIS USED CAR AND PARKED IN MY GARAGE-CAME OUT ABOUT AN HOUR AFTER PARKING AND NOTICED A VERY STRONG RAW GASOLINE SMELL COMING FROM THE DRIVERS REAR INSIDE THE COMPARTMENT. I REMOVED THE BACK SEAT AND THE FUEL TANK SEAL IS LEAKING. TOOK THE CAR TO A REPAIR SHOP TO CONFIRM AND THEY AGREED THAT THE FUEL PUMP, SENDING UNIT AND TANK SEAL ARE LEAKING FUEL AND ARE AN EXPLOSION/FIRE HAZARD-NEED TO CORRECT THIS ASAP. THEY TOLD ME THAT THIS IS A VERY COMMON PROBLEM ON THIS MODEL CAR AND THAT THEY HAVE A LOT OF PEOPLE COME IN WITH GASOLINE LEAKING FROM THE SAME PLACE. VERY DANGEROUS SITUATION THAT MERCEDES NEEDS TO STEP UP AND REPAIR.
TL* THE CONTACT OWNS A 2008 MERCEDES BENZ E350. WHEN THE CONTACT REFUELED THE VEHICLE AND PARKED IT INSIDE THE GARAGE, A FUEL ODOR WAS PRESENT. THE FAILURE OCCURRED NUMEROUS TIMES. THE VEHICLE WAS TAKEN TO THE DEALER WHO STATED THAT THE FUEL PUMP AND SENSOR FAILED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF T…
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TL* THE CONTACT OWNS A 2008 MERCEDES BENZ E350. WHEN THE CONTACT REFUELED THE VEHICLE AND PARKED IT INSIDE THE GARAGE, A FUEL ODOR WAS PRESENT. THE FAILURE OCCURRED NUMEROUS TIMES. THE VEHICLE WAS TAKEN TO THE DEALER WHO STATED THAT THE FUEL PUMP AND SENSOR FAILED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 65,000.
FUEL SMELL. TOOK VEHICLE TO DEALERSHIP AND THEY STATED THAT I NEED THE FUEL TANK REPLACED AND THE FUEL LEVEL SENSOR ON THE LEFT SIDE WAS LEAKING. REPAIR COST ESTIMATED $3000.00. *TR
THERE IS A STRONG SMELL OF FUEL VAPOR THAT IS NOTICEABLE BOTH INSIDE AND OUTSIDE THE CAR, PARTICULARLY WHEN THE GAS TANK IS FULL. AN EVAP TEST SHOWS THAT THERE IS A GASKET NEAR/ON TOP OF THE GAS TANK UNDER THE REAR PASSENGER SEAT THAT SHOWS SIGNS OF A FUEL LEAK. THERE ARE NO SIGNS OF A RECALL THAT I CAN FIND ONLINE AND MERCED…
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THERE IS A STRONG SMELL OF FUEL VAPOR THAT IS NOTICEABLE BOTH INSIDE AND OUTSIDE THE CAR, PARTICULARLY WHEN THE GAS TANK IS FULL. AN EVAP TEST SHOWS THAT THERE IS A GASKET NEAR/ON TOP OF THE GAS TANK UNDER THE REAR PASSENGER SEAT THAT SHOWS SIGNS OF A FUEL LEAK. THERE ARE NO SIGNS OF A RECALL THAT I CAN FIND ONLINE AND MERCEDES WANTS TO CHARGE $2100+ JUST FOR PARTS FOR A REPLACEMENT FUEL TANK FOR SOMETHING THAT I FEEL IS HAZARDOUS TO OUR HEALTH AND SHOULD HAVE BEEN RESOLVED BY MERCEDES. *TR
SAFETY AND HEALTH ISSUE WITH FUEL LEAKING FROM GAS TANKS AND TWO FUEL PUMPS IN 2008 MERCEDES E350. THERE IS TERRIBLE SMELL IN THE CAR THAT STARTED AROUND AUGUST 8, 2014 AND HAS GOTTEN WORSE. YOU CANNOT DRIVE THE CAR BECAUSE OF THIS SMELL. WE FIND OUT FROM MERCEDES DEALER THAT THIS IS FROM CORRODED SEALS AROUND GAS TANK AND …
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SAFETY AND HEALTH ISSUE WITH FUEL LEAKING FROM GAS TANKS AND TWO FUEL PUMPS IN 2008 MERCEDES E350. THERE IS TERRIBLE SMELL IN THE CAR THAT STARTED AROUND AUGUST 8, 2014 AND HAS GOTTEN WORSE. YOU CANNOT DRIVE THE CAR BECAUSE OF THIS SMELL. WE FIND OUT FROM MERCEDES DEALER THAT THIS IS FROM CORRODED SEALS AROUND GAS TANK AND THE TWO FUEL PUMPS THAT PUMP FUEL FROM THE GAS TANK. GASOLINE HAS LEAKED OUT AND HAS SATURATED INSULATION MATERIALS INSIDE THE PASSENGER COMPARTMENT OF THE CAR. APPARENTLY GAS TANK IS LOCATED INSIDE THE PASSENGER COMPARTMENT UNDER THE REAR SEAT. THEY ARE WANTING TO CHARGE US $2,500 TO FIX AND REPAIR THE DAMAGE - WHICH IS DUE TO THEIR FAULTY SEALS AROUND THE GAS TANK AND FUEL PUMPS - REPLACE THE FUEL PUMPS, CLEAN UP ALL THE SPILLED FUEL, REPLACE THE INSULATION MATERIAL AND WHAT EVER ELSE HAS BEEN DAMAGED. THIS SHOULD BE A RECALL ISSUE. I SEE STORY ON INTERNET WHERE THIS HAS BEEN REPORTED 533 TIMES AS OF MARCH 19, 2013. HERE IS LINK TO ARTICLE HTTP://WWW.USATODAY.COM/STORY/MONEY/CARS/DRIVEON/2013/03/19/MERCEDES-BENZ-E-CLASS-NHTSA-FUEL-LEAKS-ODOR/1999263/ HOW MANY TIMES DOES THIS HAVE TO BE REPORTED TO CONSTITUTE MERCEDES DOING A RECALL AND ADDRESSING THIS ISSUE AT THEIR COST INSTEAD OF MINE? WHAT IF SOMEONE SMOKES IN THE CAR? WILL THIS EXPLODE? YOU CANNOT STAND THE SMELL AS IT MAKES YOU SICK TO SET IN THE CAR. TO ME THAT IS BOTH A SAFETY ISSUE AND A HEALTH ISSUE AND SHOULD BE ADDRESSED BY MERCEDES. THEY ARE SAYING THAT THE CAR IS OLD - BUT 6 YEARS FOR A MERCEDES I WOULD NOT CONSIDER OLD. IT SHOULD LAST 15+ IN MY OPINION. I DRIVE THIS CAR LONG DISTANCES, MANY TIMES OVER 10+ HOURS IN A DAY. I CANNOT BE IN THE CAR WITH THIS SMELL, IT WILL MAKE ME SICK AFTER LESS THAN 1 HOUR. I DROVE IT FOR 20 MINUTES A FEW DAYS AGO AND IF FELT SICK THE REST OF THE DAY.... *TR
TL* THE CONTACT OWNS A 2008 MERCEDES BENZ E350. AFTER THE CONTACT FILLED UP THE FUEL TANK, FUEL FUMES WERE PRESENT IN AND AROUND THE VEHICLE. WHILE THE VEHICLE WAS PARKED INSIDE THE GARAGE, FUEL LEAKED FROM THE REAR OF THE VEHICLE ONTO THE GARAGE FLOOR. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED…
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TL* THE CONTACT OWNS A 2008 MERCEDES BENZ E350. AFTER THE CONTACT FILLED UP THE FUEL TANK, FUEL FUMES WERE PRESENT IN AND AROUND THE VEHICLE. WHILE THE VEHICLE WAS PARKED INSIDE THE GARAGE, FUEL LEAKED FROM THE REAR OF THE VEHICLE ONTO THE GARAGE FLOOR. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 85,874.
LATELY, EACH TIME I FILL THE GAS TANK, STRONG SMELL OF GAS FILLS THE GARAGE TILL I USE UP SOME OF THE GAS IN THE TANK, DRIVING THE CAR. THE SMELL SEEMS TO COME FROM DRIVER SIDE REAR WHEEL AREA. I NOTICED NHTSA STARTED AN INVESTIGATION ABOUT A YEAR AGO. I DON'T UNDERSTAND WHY IT HAS NOT BEEN CONCLUDED YET AND HOW ALL THESE COMPLA…
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LATELY, EACH TIME I FILL THE GAS TANK, STRONG SMELL OF GAS FILLS THE GARAGE TILL I USE UP SOME OF THE GAS IN THE TANK, DRIVING THE CAR. THE SMELL SEEMS TO COME FROM DRIVER SIDE REAR WHEEL AREA. I NOTICED NHTSA STARTED AN INVESTIGATION ABOUT A YEAR AGO. I DON'T UNDERSTAND WHY IT HAS NOT BEEN CONCLUDED YET AND HOW ALL THESE COMPLAINTS OF SIMILAR NATURE, HAVE NOT BEEN ADDRESSED. MBNZ SHOULD BE HELD ACCOUNTABLE FOR THEIR ENGINEERING AND DESIGN. AS SOME NOTED, THEIR CARS WERE FIXED UNDER WARRANTY, SO MBNZ KNOWS ABOUT THIS PROBLEM AND SEEMS TO CHOOSE TO IGNORE. THIS IS WHERE NHTSA IS SUPPOSED TO COME IN AND PROTECT THE CONSUMERS OF THESE SO CALLED LUXURY ( EXPENSIVE) CARS. *TR
THE GAS GAUGE RANDOMLY SHOWS INCORRECT FUEL LEVEL REMAINING. THIS MAKES IT DIFFICULT TO KNOW HOW MUCH GAS AND DISTANCE/MILES REMAIN BEFORE A REFILL IS NEEDED. AFTER A FULL REFILL THE GAUGE SEEMS TO ACCURATELY SHOW A FULL TANK. RANDOMLY, WHEN STARTING THE CAR, THE GAUGE SOMETIMES SHOWS INCORRECT FUEL LEVELS AT EMPTY OR MUCH LESS …
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THE GAS GAUGE RANDOMLY SHOWS INCORRECT FUEL LEVEL REMAINING. THIS MAKES IT DIFFICULT TO KNOW HOW MUCH GAS AND DISTANCE/MILES REMAIN BEFORE A REFILL IS NEEDED. AFTER A FULL REFILL THE GAUGE SEEMS TO ACCURATELY SHOW A FULL TANK. RANDOMLY, WHEN STARTING THE CAR, THE GAUGE SOMETIMES SHOWS INCORRECT FUEL LEVELS AT EMPTY OR MUCH LESS THAN ACTUAL. THIS SOMETIMES CORRECTED VIA RESTARTING CAR. SOMETIMES RESTARTING DOES NOT CORRECT THE GAUGE. *TR
TL* THE CONTACT OWNS A 2008 MERCEDES BENZ E350. THE CONTACT STATED THAT GASOLINE FUMES WERE EMITTED IN AND AROUND THE VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC, WHO WAS UNABLE TO DETERMINE WHAT WAS CAUSING THE FAILURE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND C…
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TL* THE CONTACT OWNS A 2008 MERCEDES BENZ E350. THE CONTACT STATED THAT GASOLINE FUMES WERE EMITTED IN AND AROUND THE VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC, WHO WAS UNABLE TO DETERMINE WHAT WAS CAUSING THE FAILURE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 67,000.
Official recalls
424V874000 · Visibility:sun/moon Roof Assembly
Nov 19, 2024
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2001-2011 C-Class, CLK, E-Class, and CLS vehicles. Please see the recall report for a complete list of models and model years. The glass sunroof panel may not be properly secured and can detach.
Consequence & remedy
Consequence: A detached sunroof panel can become a road hazard, increasing the risk of a crash.
Remedy: Dealers will inspect and replace the sunroof panel as necessary, free of charge. Owner notification letters were mailed January 10, 2025. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of previous NHTSA recall number 22V-954. MBUSA's number for this recall is 2024120001/2/3.
22V954000 · Visibility:sun/moon Roof Assembly
Dec 23, 2022
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2001-2011 C-Class, CLK, E-Class, and CLS vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The glass sunroof panel may not be properly secured and may detach.
Consequence & remedy
Consequence: A detached sunroof panel may become a road hazard, increasing the risk of a crash.
Remedy: Dealers will inspect and replace the sunroof panel as necessary free of charge. Owner notification letters were mailed February 3, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. This recall expands NHTSA recall number 19V-918. MBUSA's numbers for this recall are 2023010004, 2023010005, and 2023010006.
19V918000 · Visibility:sun/moon Roof Assembly
Dec 20, 2019
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2001-2011 vehicles. The bonding between the glass panel and the sliding roof frame may deteriorate, possibly resulting in the glass panel detaching from the vehicle. For a full list of the affected models visit: https://static.nhtsa.gov/odi/rcl/2019/RMISC-19V918-4126.pdf
Consequence & remedy
Consequence: A detached glass panel can separate from the vehicle and become a road hazard, increasing the risk of a crash.
Remedy: MBUSA will notify owners, and dealers will inspect the glass panel bonding and replace the sliding roof, as necessary, free of charge. The recall began July 10, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020040011.
12V264000 · Suspension:rear
Jun 12, 2012
MERCEDES-BENZ IS RECALLING CERTAIN MODEL YEAR 2007-2009 E350 4MATIC WAGON VEHICLES MANUFACTURED FROM JULY 1, 2006, THROUGH APRIL 30, 2009. A CONNECTING ROD FOR THE LOAD LEVELING REAR SUSPENSION SYSTEM MAY FAIL.
Consequence & remedy
Consequence: IF THIS OCCURS, THE DRIVER MAY HAVE REDUCED VEHICLE CONTROL, INCREASING THE RISK OF A CRASH.
Remedy: MERCEDES-BENZ WILL NOTIFY OWNERS, AND DEALERS WILL REPLACE ALL THE CONNECTING RODS, FREE OF CHARGE. THE SAFETY RECALL BEGAN ON SEPTEMBER 7, 2012. OWNERS MAY CONTACT MERCEDES-BENZ AT 1-800-367-6372.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
1EA13003 · Fuel Leakage From The Fuel Tank
Opened Mar 15, 2013 · Closed Dec 19, 2014
Status: closed (inferred from source dates) · Fuel System, Gasoline; Fuel System, Gasoline:delivery; Fuel System, Gasoline:delivery:fuel Pump; Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings; Fuel System, Gasoline:storage; Fuel System, Gasoline:storage:tank Assembly
The Office of Defects Investigation (ODI) opened this investigation on January 23, 2012 as PE12-001 based on 20 consumer reports in model year (MY) 2003-2006 E55 AMG vehicles.Based on new reports in other E-Class vehicles, ODI upgraded the investigation to Engineering Analysis (EA) 13-003 on March 15, 2013, and expanded the scope to all E-Class vehicles through MY 2008.The complainants alleged a strong odor of gasoline fuel both inside and outside of their vehicle, particularly after refilling the fuel tank.Many of the complainants noted that the odor subsided or went away after driving some distance thereby lowering the fuel level in the tank.Other owners reported they would only fill the tank to about three quarters full to avoid the odor altogether.Some complainants alleged fuel leaked from the fuel filter/sender, located on the top of the fuel tank on the driver's side, and collected on top of the tank.There were also allegations that the fuel leaks were associated with an Emissions Recall Campaign (No. 2008020001) conducted by Mercedes-Benz USA, LLC (Mercedes) in 2008 on MY 2003-2006 E-Class and CLS-Class AMG models.The issue in the recall involved small cracks in the pressurized outlet fitting of the fuel filter/sender.AMG vehicles are high performance models that operate at higher fuel pressure and use a different fuel filter/sender and fuel pump than non-AMG models.Information on Recall No. 2008020001 is available from the U.S. Environmental Protection Agency (EPA) website at www.EPA.gov.ODI's investigation found various leak sources that are unrelated to the outlet fitting cited in the EPA recall campaign.Through interviews with complainants, field inspections of complaint vehicles, and the collection and laboratory analysis of failed parts, three identifiable leak sources were found.The component parts and areas of the leaks involve the On-Board Diagnostic fuel tank pressure sensor (located on top of the fuel filter/sender), the outlet of the centrally mounted fuel tank fuel filling limiter valve, and the top of the fuel pump. These areas of leakage are located at the top of the fuel tank in unpressurized parts of the fuel system. When the tank is full, fuel can slowly weep/seep from micro-cracks in these components and may collect in cavities on top of the filter/sender, pump, or tank.Contrary to complainant's allegations that fuel entered the inside of their vehicle under the rear seat bench, neither ODI nor Mercedes found a plausible way for this to occur.The fuel tank is located outside of the passenger compartment, attached to the underside of the vehicle.The service access ports for the fuel filter/sender (driver's side) and fuel pump (passenger's side) are located under the rear seat bench, covered by a steel plate, sealed and bolted to the vehicle floor.When technicians service the fuel filter/sender, which has a regularly scheduled 60,000 mile service interval, and/or the fuel pump, the work is performed from inside the vehicle by working through the access ports.By letter dated September 4, 2014, Mercedes has notified the agency that it will extend the original warranty coverage to 15 years and unlimited mileage on Covered Fuel Tank Components in E-Class vehicles in MY 2003-2009 and CLS-Class vehicles in MY 2006-2011.The covered fuel tank components for the warranty extension include the fuel tank, fuel filter/sender, fuel pump, and all related gaskets/seals and retention rings.ODI is closing this investigation based on the manufacturer's extend warranty of the affected fuel system components and in consideration that the nature of the leaks does not appear to present an un
Additional source detail variants (6)
Fuel System, Gasoline:delivery:fuel Pump
The Office of Defects Investigation (ODI) opened this investigation on January 23, 2012 as PE12-001 based on 20 consumer reports in model year (MY) 2003-2006 E55 AMG vehicles.Based on new reports in other E-Class vehicles, ODI upgraded the investigation to Engineering Analysis (EA) 13-003 on March 15, 2013, and expanded the scope to all E-Class vehicles through MY 2008.The complainants alleged a strong odor of gasoline fuel both inside and outside of their vehicle, particularly after refilling the fuel tank.Many of the complainants noted that the odor subsided or went away after driving some distance thereby lowering the fuel level in the tank.Other owners reported they would only fill the tank to about three quarters full to avoid the odor altogether.Some complainants alleged fuel leaked from the fuel filter/sender, located on the top of the fuel tank on the driver's side, and collected on top of the tank.There were also allegations that the fuel leaks were associated with an Emissions Recall Campaign (No. 2008020001) conducted by Mercedes-Benz USA, LLC (Mercedes) in 2008 on MY 2003-2006 E-Class and CLS-Class AMG models.The issue in the recall involved small cracks in the pressurized outlet fitting of the fuel filter/sender.AMG vehicles are high performance models that operate at higher fuel pressure and use a different fuel filter/sender and fuel pump than non-AMG models.Information on Recall No. 2008020001 is available from the U.S. Environmental Protection Agency (EPA) website at www.EPA.gov.ODI's investigation found various leak sources that are unrelated to the outlet fitting cited in the EPA recall campaign.Through interviews with complainants, field inspections of complaint vehicles, and the collection and laboratory analysis of failed parts, three identifiable leak sources were found.The component parts and areas of the leaks involve the On-Board Diagnostic fuel tank pressure sensor (located on top of the fuel filter/sender), the outlet of the centrally mounted fuel tank fuel filling limiter valve, and the top of the fuel pump. These areas of leakage are located at the top of the fuel tank in unpressurized parts of the fuel system. When the tank is full, fuel can slowly weep/seep from micro-cracks in these components and may collect in cavities on top of the filter/sender, pump, or tank.Contrary to complainant's allegations that fuel entered the inside of their vehicle under the rear seat bench, neither ODI nor Mercedes found a plausible way for this to occur.The fuel tank is located outside of the passenger compartment, attached to the underside of the vehicle.The service access ports for the fuel filter/sender (driver's side) and fuel pump (passenger's side) are located under the rear seat bench, covered by a steel plate, sealed and bolted to the vehicle floor.When technicians service the fuel filter/sender, which has a regularly scheduled 60,000 mile service interval, and/or the fuel pump, the work is performed from inside the vehicle by working through the access ports.By letter dated September 4, 2014, Mercedes has notified the agency that it will extend the original warranty coverage to 15 years and unlimited mileage on Covered Fuel Tank Components in E-Class vehicles in MY 2003-2009 and CLS-Class vehicles in MY 2006-2011.The covered fuel tank components for the warranty extension include the fuel tank, fuel filter/sender, fuel pump, and all related gaskets/seals and retention rings.ODI is closing this investigation based on the manufacturer's extend warranty of the affected fuel system components and in consideration that the nature of the leaks does not appear to present an un
Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings
The Office of Defects Investigation (ODI) opened this investigation on January 23, 2012 as PE12-001 based on 20 consumer reports in model year (MY) 2003-2006 E55 AMG vehicles.Based on new reports in other E-Class vehicles, ODI upgraded the investigation to Engineering Analysis (EA) 13-003 on March 15, 2013, and expanded the scope to all E-Class vehicles through MY 2008.The complainants alleged a strong odor of gasoline fuel both inside and outside of their vehicle, particularly after refilling the fuel tank.Many of the complainants noted that the odor subsided or went away after driving some distance thereby lowering the fuel level in the tank.Other owners reported they would only fill the tank to about three quarters full to avoid the odor altogether.Some complainants alleged fuel leaked from the fuel filter/sender, located on the top of the fuel tank on the driver's side, and collected on top of the tank.There were also allegations that the fuel leaks were associated with an Emissions Recall Campaign (No. 2008020001) conducted by Mercedes-Benz USA, LLC (Mercedes) in 2008 on MY 2003-2006 E-Class and CLS-Class AMG models.The issue in the recall involved small cracks in the pressurized outlet fitting of the fuel filter/sender.AMG vehicles are high performance models that operate at higher fuel pressure and use a different fuel filter/sender and fuel pump than non-AMG models.Information on Recall No. 2008020001 is available from the U.S. Environmental Protection Agency (EPA) website at www.EPA.gov.ODI's investigation found various leak sources that are unrelated to the outlet fitting cited in the EPA recall campaign.Through interviews with complainants, field inspections of complaint vehicles, and the collection and laboratory analysis of failed parts, three identifiable leak sources were found.The component parts and areas of the leaks involve the On-Board Diagnostic fuel tank pressure sensor (located on top of the fuel filter/sender), the outlet of the centrally mounted fuel tank fuel filling limiter valve, and the top of the fuel pump. These areas of leakage are located at the top of the fuel tank in unpressurized parts of the fuel system. When the tank is full, fuel can slowly weep/seep from micro-cracks in these components and may collect in cavities on top of the filter/sender, pump, or tank.Contrary to complainant's allegations that fuel entered the inside of their vehicle under the rear seat bench, neither ODI nor Mercedes found a plausible way for this to occur.The fuel tank is located outside of the passenger compartment, attached to the underside of the vehicle.The service access ports for the fuel filter/sender (driver's side) and fuel pump (passenger's side) are located under the rear seat bench, covered by a steel plate, sealed and bolted to the vehicle floor.When technicians service the fuel filter/sender, which has a regularly scheduled 60,000 mile service interval, and/or the fuel pump, the work is performed from inside the vehicle by working through the access ports.By letter dated September 4, 2014, Mercedes has notified the agency that it will extend the original warranty coverage to 15 years and unlimited mileage on Covered Fuel Tank Components in E-Class vehicles in MY 2003-2009 and CLS-Class vehicles in MY 2006-2011.The covered fuel tank components for the warranty extension include the fuel tank, fuel filter/sender, fuel pump, and all related gaskets/seals and retention rings.ODI is closing this investigation based on the manufacturer's extend warranty of the affected fuel system components and in consideration that the nature of the leaks does not appear to present an un
Fuel System, Gasoline:delivery
The Office of Defects Investigation (ODI) opened this investigation on January 23, 2012 as PE12-001 based on 20 consumer reports in model year (MY) 2003-2006 E55 AMG vehicles.Based on new reports in other E-Class vehicles, ODI upgraded the investigation to Engineering Analysis (EA) 13-003 on March 15, 2013, and expanded the scope to all E-Class vehicles through MY 2008.The complainants alleged a strong odor of gasoline fuel both inside and outside of their vehicle, particularly after refilling the fuel tank.Many of the complainants noted that the odor subsided or went away after driving some distance thereby lowering the fuel level in the tank.Other owners reported they would only fill the tank to about three quarters full to avoid the odor altogether.Some complainants alleged fuel leaked from the fuel filter/sender, located on the top of the fuel tank on the driver's side, and collected on top of the tank.There were also allegations that the fuel leaks were associated with an Emissions Recall Campaign (No. 2008020001) conducted by Mercedes-Benz USA, LLC (Mercedes) in 2008 on MY 2003-2006 E-Class and CLS-Class AMG models.The issue in the recall involved small cracks in the pressurized outlet fitting of the fuel filter/sender.AMG vehicles are high performance models that operate at higher fuel pressure and use a different fuel filter/sender and fuel pump than non-AMG models.Information on Recall No. 2008020001 is available from the U.S. Environmental Protection Agency (EPA) website at www.EPA.gov.ODI's investigation found various leak sources that are unrelated to the outlet fitting cited in the EPA recall campaign.Through interviews with complainants, field inspections of complaint vehicles, and the collection and laboratory analysis of failed parts, three identifiable leak sources were found.The component parts and areas of the leaks involve the On-Board Diagnostic fuel tank pressure sensor (located on top of the fuel filter/sender), the outlet of the centrally mounted fuel tank fuel filling limiter valve, and the top of the fuel pump. These areas of leakage are located at the top of the fuel tank in unpressurized parts of the fuel system. When the tank is full, fuel can slowly weep/seep from micro-cracks in these components and may collect in cavities on top of the filter/sender, pump, or tank.Contrary to complainant's allegations that fuel entered the inside of their vehicle under the rear seat bench, neither ODI nor Mercedes found a plausible way for this to occur.The fuel tank is located outside of the passenger compartment, attached to the underside of the vehicle.The service access ports for the fuel filter/sender (driver's side) and fuel pump (passenger's side) are located under the rear seat bench, covered by a steel plate, sealed and bolted to the vehicle floor.When technicians service the fuel filter/sender, which has a regularly scheduled 60,000 mile service interval, and/or the fuel pump, the work is performed from inside the vehicle by working through the access ports.By letter dated September 4, 2014, Mercedes has notified the agency that it will extend the original warranty coverage to 15 years and unlimited mileage on Covered Fuel Tank Components in E-Class vehicles in MY 2003-2009 and CLS-Class vehicles in MY 2006-2011.The covered fuel tank components for the warranty extension include the fuel tank, fuel filter/sender, fuel pump, and all related gaskets/seals and retention rings.ODI is closing this investigation based on the manufacturer's extend warranty of the affected fuel system components and in consideration that the nature of the leaks does not appear to present an un
Fuel System, Gasoline
The Office of Defects Investigation (ODI) opened this investigation on January 23, 2012 as PE12-001 based on 20 consumer reports in model year (MY) 2003-2006 E55 AMG vehicles.Based on new reports in other E-Class vehicles, ODI upgraded the investigation to Engineering Analysis (EA) 13-003 on March 15, 2013, and expanded the scope to all E-Class vehicles through MY 2008.The complainants alleged a strong odor of gasoline fuel both inside and outside of their vehicle, particularly after refilling the fuel tank.Many of the complainants noted that the odor subsided or went away after driving some distance thereby lowering the fuel level in the tank.Other owners reported they would only fill the tank to about three quarters full to avoid the odor altogether.Some complainants alleged fuel leaked from the fuel filter/sender, located on the top of the fuel tank on the driver's side, and collected on top of the tank.There were also allegations that the fuel leaks were associated with an Emissions Recall Campaign (No. 2008020001) conducted by Mercedes-Benz USA, LLC (Mercedes) in 2008 on MY 2003-2006 E-Class and CLS-Class AMG models.The issue in the recall involved small cracks in the pressurized outlet fitting of the fuel filter/sender.AMG vehicles are high performance models that operate at higher fuel pressure and use a different fuel filter/sender and fuel pump than non-AMG models.Information on Recall No. 2008020001 is available from the U.S. Environmental Protection Agency (EPA) website at www.EPA.gov.ODI's investigation found various leak sources that are unrelated to the outlet fitting cited in the EPA recall campaign.Through interviews with complainants, field inspections of complaint vehicles, and the collection and laboratory analysis of failed parts, three identifiable leak sources were found.The component parts and areas of the leaks involve the On-Board Diagnostic fuel tank pressure sensor (located on top of the fuel filter/sender), the outlet of the centrally mounted fuel tank fuel filling limiter valve, and the top of the fuel pump. These areas of leakage are located at the top of the fuel tank in unpressurized parts of the fuel system. When the tank is full, fuel can slowly weep/seep from micro-cracks in these components and may collect in cavities on top of the filter/sender, pump, or tank.Contrary to complainant's allegations that fuel entered the inside of their vehicle under the rear seat bench, neither ODI nor Mercedes found a plausible way for this to occur.The fuel tank is located outside of the passenger compartment, attached to the underside of the vehicle.The service access ports for the fuel filter/sender (driver's side) and fuel pump (passenger's side) are located under the rear seat bench, covered by a steel plate, sealed and bolted to the vehicle floor.When technicians service the fuel filter/sender, which has a regularly scheduled 60,000 mile service interval, and/or the fuel pump, the work is performed from inside the vehicle by working through the access ports.By letter dated September 4, 2014, Mercedes has notified the agency that it will extend the original warranty coverage to 15 years and unlimited mileage on Covered Fuel Tank Components in E-Class vehicles in MY 2003-2009 and CLS-Class vehicles in MY 2006-2011.The covered fuel tank components for the warranty extension include the fuel tank, fuel filter/sender, fuel pump, and all related gaskets/seals and retention rings.ODI is closing this investigation based on the manufacturer's extend warranty of the affected fuel system components and in consideration that the nature of the leaks does not appear to present an un
Fuel System, Gasoline:storage
The Office of Defects Investigation (ODI) opened this investigation on January 23, 2012 as PE12-001 based on 20 consumer reports in model year (MY) 2003-2006 E55 AMG vehicles.Based on new reports in other E-Class vehicles, ODI upgraded the investigation to Engineering Analysis (EA) 13-003 on March 15, 2013, and expanded the scope to all E-Class vehicles through MY 2008.The complainants alleged a strong odor of gasoline fuel both inside and outside of their vehicle, particularly after refilling the fuel tank.Many of the complainants noted that the odor subsided or went away after driving some distance thereby lowering the fuel level in the tank.Other owners reported they would only fill the tank to about three quarters full to avoid the odor altogether.Some complainants alleged fuel leaked from the fuel filter/sender, located on the top of the fuel tank on the driver's side, and collected on top of the tank.There were also allegations that the fuel leaks were associated with an Emissions Recall Campaign (No. 2008020001) conducted by Mercedes-Benz USA, LLC (Mercedes) in 2008 on MY 2003-2006 E-Class and CLS-Class AMG models.The issue in the recall involved small cracks in the pressurized outlet fitting of the fuel filter/sender.AMG vehicles are high performance models that operate at higher fuel pressure and use a different fuel filter/sender and fuel pump than non-AMG models.Information on Recall No. 2008020001 is available from the U.S. Environmental Protection Agency (EPA) website at www.EPA.gov.ODI's investigation found various leak sources that are unrelated to the outlet fitting cited in the EPA recall campaign.Through interviews with complainants, field inspections of complaint vehicles, and the collection and laboratory analysis of failed parts, three identifiable leak sources were found.The component parts and areas of the leaks involve the On-Board Diagnostic fuel tank pressure sensor (located on top of the fuel filter/sender), the outlet of the centrally mounted fuel tank fuel filling limiter valve, and the top of the fuel pump. These areas of leakage are located at the top of the fuel tank in unpressurized parts of the fuel system. When the tank is full, fuel can slowly weep/seep from micro-cracks in these components and may collect in cavities on top of the filter/sender, pump, or tank.Contrary to complainant's allegations that fuel entered the inside of their vehicle under the rear seat bench, neither ODI nor Mercedes found a plausible way for this to occur.The fuel tank is located outside of the passenger compartment, attached to the underside of the vehicle.The service access ports for the fuel filter/sender (driver's side) and fuel pump (passenger's side) are located under the rear seat bench, covered by a steel plate, sealed and bolted to the vehicle floor.When technicians service the fuel filter/sender, which has a regularly scheduled 60,000 mile service interval, and/or the fuel pump, the work is performed from inside the vehicle by working through the access ports.By letter dated September 4, 2014, Mercedes has notified the agency that it will extend the original warranty coverage to 15 years and unlimited mileage on Covered Fuel Tank Components in E-Class vehicles in MY 2003-2009 and CLS-Class vehicles in MY 2006-2011.The covered fuel tank components for the warranty extension include the fuel tank, fuel filter/sender, fuel pump, and all related gaskets/seals and retention rings.ODI is closing this investigation based on the manufacturer's extend warranty of the affected fuel system components and in consideration that the nature of the leaks does not appear to present an un
Fuel System, Gasoline:storage:tank Assembly
The Office of Defects Investigation (ODI) opened this investigation on January 23, 2012 as PE12-001 based on 20 consumer reports in model year (MY) 2003-2006 E55 AMG vehicles.Based on new reports in other E-Class vehicles, ODI upgraded the investigation to Engineering Analysis (EA) 13-003 on March 15, 2013, and expanded the scope to all E-Class vehicles through MY 2008.The complainants alleged a strong odor of gasoline fuel both inside and outside of their vehicle, particularly after refilling the fuel tank.Many of the complainants noted that the odor subsided or went away after driving some distance thereby lowering the fuel level in the tank.Other owners reported they would only fill the tank to about three quarters full to avoid the odor altogether.Some complainants alleged fuel leaked from the fuel filter/sender, located on the top of the fuel tank on the driver's side, and collected on top of the tank.There were also allegations that the fuel leaks were associated with an Emissions Recall Campaign (No. 2008020001) conducted by Mercedes-Benz USA, LLC (Mercedes) in 2008 on MY 2003-2006 E-Class and CLS-Class AMG models.The issue in the recall involved small cracks in the pressurized outlet fitting of the fuel filter/sender.AMG vehicles are high performance models that operate at higher fuel pressure and use a different fuel filter/sender and fuel pump than non-AMG models.Information on Recall No. 2008020001 is available from the U.S. Environmental Protection Agency (EPA) website at www.EPA.gov.ODI's investigation found various leak sources that are unrelated to the outlet fitting cited in the EPA recall campaign.Through interviews with complainants, field inspections of complaint vehicles, and the collection and laboratory analysis of failed parts, three identifiable leak sources were found.The component parts and areas of the leaks involve the On-Board Diagnostic fuel tank pressure sensor (located on top of the fuel filter/sender), the outlet of the centrally mounted fuel tank fuel filling limiter valve, and the top of the fuel pump. These areas of leakage are located at the top of the fuel tank in unpressurized parts of the fuel system. When the tank is full, fuel can slowly weep/seep from micro-cracks in these components and may collect in cavities on top of the filter/sender, pump, or tank.Contrary to complainant's allegations that fuel entered the inside of their vehicle under the rear seat bench, neither ODI nor Mercedes found a plausible way for this to occur.The fuel tank is located outside of the passenger compartment, attached to the underside of the vehicle.The service access ports for the fuel filter/sender (driver's side) and fuel pump (passenger's side) are located under the rear seat bench, covered by a steel plate, sealed and bolted to the vehicle floor.When technicians service the fuel filter/sender, which has a regularly scheduled 60,000 mile service interval, and/or the fuel pump, the work is performed from inside the vehicle by working through the access ports.By letter dated September 4, 2014, Mercedes has notified the agency that it will extend the original warranty coverage to 15 years and unlimited mileage on Covered Fuel Tank Components in E-Class vehicles in MY 2003-2009 and CLS-Class vehicles in MY 2006-2011.The covered fuel tank components for the warranty extension include the fuel tank, fuel filter/sender, fuel pump, and all related gaskets/seals and retention rings.ODI is closing this investigation based on the manufacturer's extend warranty of the affected fuel system components and in consideration that the nature of the leaks does not appear to present an un