RoadVitals

2004 Mercedes-Benz CLK500 Fuel system Problems

Owner-reported complaints naming the fuel system system, filed with NHTSA

Data refreshed

Fuel system reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
8
Latest Jan 23, 2018
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
57%
of 14 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
0
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
0

What this page shows

Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks. Every record below is an owner-reported complaint about the 2004 Mercedes-Benz CLK500 submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 8 reports on file name it.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Owner reports naming fuel system

Shown in the owner’s own words, exactly as filed

Fuel system
Filed Jan 23, 2018

STRONG GAS SMELL FROM REAR SEAT WHENEVER GAS FILLED UP.

NHTSA ID
11064321
Incident
Jan 10, 2018
Fuel system
Filed Dec 27, 2017

MY CAR AFTER FUELING LEAKS A VERY STRONG FUEL SMELL ENTERS MY CAR. THE STRONG FUEL VAPOR WILL REMAIN UNTIL THE TANK GETS BELOW 3/4. IT WILL BE THERE WHETHER IT IS IN MOTION, STATIONARY, OR AT IDLE. MY ENTIRE GARAGE WILL SMELL OF FUEL DURING THIS TIME WHEN THE TANK IS FULL. I KNOW MERCEDES RECALLED THE E CLASS FUEL TANK BECAUSE OF THIS SAME ISSUE. MY CLK500 IS THE SAME AS THE E CLASS BUT THE CONVERTIBLE VERSION. THESE ARE DANGEROUS FAULTY TANKS THAT NEED TO BE RECALLED IN EVERY VEHICLE THEY INSTALLED THEM IN.

NHTSA ID
11057004
Incident
Dec 27, 2017
Mileage
84,000 mi
Fuel system
Filed Jul 15, 2016

AFTER FILLING FUEL TANK STRONG SMELL OF GASOLINE. OTHER COMPLAINTS OF THIS NATURE IN YOUR SYSTEM. RECALL ALREADY ISSUED FOR OTHER MODEL MERCEDES BENZ WITH SAME ISSUE.

NHTSA ID
10885068
Incident
Jul 14, 2016
Mileage
83,000 mi
Fuel system
Filed Jan 24, 2014

TL* THE CONTACT OWNS A 2004 MERCEDES BENZ CLK500. THE CONTACT STATED THAT WHENEVER HE WOULD REFUEL, THERE WAS A STRONG OVERWHELMING FUEL ODOR COMING FROM INSIDE AND OUTSIDE OF THE VEHICLE. THE VEHICLE WAS TAKEN TO AN DEALER WHERE TIT WAS DIAGNOSED THAT THE FUEL TANK NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 82,000.

NHTSA ID
10561301
Incident
Jun 13, 2013
Mileage
82,000 mi
Fuel system
Filed Apr 23, 2013

BOUGHT CAR IN SEPT. 2012. STARTED TO NOTICE FUEL SMELL AFTER FILL UPS. GETTING WORSE, AND CHECKED FUEL SENDING UNIT ON TOP OF TANK. PUDDLE OF FUEL ON TOP OF SENDING UNIT. *TR

NHTSA ID
10509220
Incident
Oct 4, 2012
Mileage
68,000 mi
Fuel system
Filed Mar 19, 2013

I SMELLED GASOLINE WHEN MY TWO CARS WERE PARKED IN THE GARAGE. THIS OCCURRED ONLY AFTER FILLING THE GAS TANKS (NO TOPPING OFF.) I THOUGHT IT WAS MY 2010 MBZ BUT THE DEALER CHECKED AND FOUND NO PROBLEM. I HAD MY 2004 MBZ CHECKED. THE DEALER TOLD ME I NEEDED A NEW GAS TANK, BECAUSE IT WAS LEAKING. MY CAR HAS 80K MILES AND LOOKS NEW; GARAGED, SERVICED AND NEVER IN AN ACCIDENT AND HAS NO LEAKS. A NEW GAS CAP DID NOT SOLVE THE PROBLEM. OVER THREE QUARTERS OF A TANK DOES NOT EMIT ANY ODOR, SO I DON'T FILL THE TANK COMPLETELY. I FEEL THE FUMES COULD BE A SAFETY HAZARD INSIDE A GARAGE CONTAINING A HOT WATER HEATER. *TR

NHTSA ID
10503648
Incident
Jun 15, 2011
Mileage
70,000 mi
Fuel system
Filed Jan 28, 2012

STRONG SMELL OF GAS FUMES AT REAR WHEEL WELL AREA WHEN FUEL TANK IS FILLED. DEALER FOUND FUEL LEAKING FROM THE TOP OF THE FUEL SENDING UNIT AND WAS FILLING THE RECESSED AREA ON TOP OF FUEL TANK WITH GAS. THE DEALER SAID THAT THE PLASTIC SENDING UNIT HAS A SMALL CRACK OR PIN HOLE AND WOULD HAVE TO BE REPLACED. I FOUND ON THE MERCEDES BENZ USER BLOG THAT OTHER CLK OWNERS HAD SIMILAR ISSUES. I CONTACTED MERCEDES BENZ USA AND FILED A COMPLAINT STATING THIS IS A FIRE HAZARD. THEY SAID THAT THEY COULD NOT ASSIST ME WITH THIS PROBLEM SINCE THE VEHICLE OUT OF WARRANTY. I FEEL THIS IS A SAFETY ISSUE AND SHOULD BE TAKEN CARE OF BY MERCEDES BENZ. *TR

NHTSA ID
10445717
Incident
Nov 1, 2011
Mileage
53,900 mi
Fuel system
Filed Apr 28, 2010

TL*THE CONTACT OWNS A 2004 MERCEDES BENZ CLK500. THE VEHICLE WAS PARKED IN A GARAGE WHEN THE CONTACT SMELLED FUEL AND NOTICED THAT THE FUEL PUMP WAS LEAKING FUEL. THE FUEL PUMP WAS LEAKING UNDERNEATH THE REAR SEAT WHICH WAS WHERE ITS LOCATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO REPLACED THE FUEL PUMP ON BOTH THE LEFT AND RIGHT SIDE. THE CURRENT AND FAILURE MILEAGES WERE APPROXIMATELY 70,000.

NHTSA ID
10327902
Incident
Apr 22, 2010
Mileage
70,000 mi

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Elsewhere on this vehicle

Data sources

Data on this page last refreshed .