Mercedes Benz CLS500 fuel problems
17 complaint narratives mention fuel terms.
Key facts
67 owner complaints analyzed
3 distinct recall campaigns
96,231 mi median reported failure mileage
Scope: 2004 to 2009 model years. Data snapshot: . 54 complaints include usable failure mileage.
Fuel system concerns evidence
17 of 67 complaints match this topic (25.4%). The keyword filter can include complaints that mention a transmission without reporting its failure. View matching rules.
Owner report 10439428 · 2011-12-12 (December 12, 2011)
LEAKING FUEL FROM CRACK IN FUEL TANK. SERVICE ADVISOR AT LOCAL MERCEDES BENZ DEALERSHIP STATES CRACK IS FROM SEAL FOUND ON TOP OF TANK. REQUIRED REPLACING OF FUEL TANK AND FUEL PUMP SEALS FUMES FROM FUEL SEEPED INTO VEHICLE AND BACK SEAT CUSHIONS WITH VERY STRONG SMELL OF FUEL. SEATS STILL SMELL LIKE FUEL, THUS CAR WITH SMELL OF FUEL. VERY UNCOMFORTABLE WITH BURNING SENSATION TO NOSE. SERVICE ADVISOR STATES THIS IS SECOND INCIDENT WITH CRACKED FUEL TANK THIS YEAR. *TR
Owner-reported narrative. Look up ODI 10439428 at NHTSA ↗
Owner report 10462549 · 2012-06-21 (June 21, 2012)
TL* THE CONTACT OWNS A 2006 MERCEDES BENZ CLS 500. THE CONTACT STATED WHILE IN HIS HOME, HE COULD SMELL GASOLINE FUEL LEAKING FROM THE VEHICLE WHILE PARKED IN THE RESIDENTIAL GARAGE. THE CONTACT WAS UNABLE TO LOCATE A FUEL LEAK AND TOOK THE VEHICLE TO THE DEALER FOR INSPECTION. THE DEALER ADVISED THE CONTACT THAT THE FUEL PUMP NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 48,000.... UPDATED 08/15/12 *BF UPDATED 08/16/2012 *JS
Owner-reported narrative. 48,000 miles reported. Look up ODI 10462549 at NHTSA ↗
Owner report 10475312 · 2012-09-13 (September 13, 2012)
I FILLED MY GAS TANK AND DROVE HOME, PARKED IN THE GARAGE OVERNIGHT. THE NEXT MORNING I ENTERED THE GARAGE AND WAS OVERWHELMED BY THE SMELL OF RAW GAS. THE GARAGE WAS CLOSED AND IT CONTAINS A HOT WATER HEATER WHICH COULD HAVE EASILY LIT THE GAS FUMES AND STARTED A FIRE OR EXPLOSION. MY 2 KIDS' BEDROOMS ARE ABOVE THE GARAGE. THROUGH SOME CHECKING, GASOLINE SEEMS TO BE RUNNING OUT OF THE TOP OF THE GAS TANK WHEN IT IS FULL. IT IS NOT COMING FROM THE FUEL PUMP MODULE SEAL. THIS IS BOTH DANGEROUS AND A POLLUTION AND HEALTH RISK. I JUST BOUGHT THE C…
Owner-reported narrative. 105,000 miles reported. Look up ODI 10475312 at NHTSA ↗
Owner report 10496886 · 2013-02-08 (February 8, 2013)
THROUGH SOME CHECKING, GASOLINE SEEMS TO BE RUNNING OUT OF THE TOP OF THE GAS TANK WHEN IT IS FULL. IT IS NOT COMING FROM THE FUEL PUMP MODULE SEAL. THIS IS BOTH DANGEROUS AND A POLLUTION AND HEALTH RISK. I JUST BOUGHT THE CAR, SO I DON'T KNOW HOW LONG THE PROBLEM HAS EXISTED. HE TOLD ME THAT IS THE PROBLEM WITH THE FUEL SENDING UNIT IS LEAKING UNDERNEATH OF THE SEATS. HE ALSO TOLD ME THAT HE JUST FIXED TWO CARS WITH THE SAME PROBLEM. THERE IS ALSO A RECALL CAMPAIGN NUMBER (2008-020001) OUT HERE STATING THE SAME ISSUE, BUT MB AT ARLINGTON TOL…
Owner-reported narrative. 57,000 miles reported. Look up ODI 10496886 at NHTSA ↗
Owner report 10537274 · 2013-08-26 (August 26, 2013)
FUEL SENDING UNIT LEAKS AFTER FILLING UP GAS TANK. HOLDS THE RAW GAS IN TOP OF SENDING UNIT. CAUSES INSIDE OF CAR TO FILL UP WITH RAW GAS SMELL, GETS REALLY BAD ON HOT DAYS. SMELLS LIKE RAW GAS IN GARAGE. FUEL SENDING UNIT IS UNDER BACK SEAT BEHIND DRIVER, WHICH COULD BE VERY DANGEROUS. *TR
Owner-reported narrative. 105,000 miles reported. Look up ODI 10537274 at NHTSA ↗