RoadVitals

2007 Mercedes-Benz CLK350 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.
14
Latest Nov 13, 2020
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.
33%
of 42 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 2007 Mercedes-Benz CLK350 submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 14 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 Nov 13, 2020

WHEN I FILL THE GAS TANK, THERE IS A VERY STEONG SMELL OF FUEL INSIDE AND OUTSIDE OF THE CAR. THE SMELL IA THERE UTIL AT LEAST HALF THE TANK IS USED. THE SAME PROBLEM HAS BEEN WITH "E" SERIES. MB ISSUED A RECALL. HOWEVER, THE DEALERSHIP TELLS ME THERE IS NO RECALL FOR 2007 CLK350 EVENTHOUGH SAME PARTS ARE USED TO DELIVER THE FUEL.

NHTSA ID
11374561
Incident
Jan 1, 2019
Fuel system
Filed May 28, 2020

WHEN I FILL MY CAR UP I CAN SMELL GAS IN MY GARAGE. ONCE I DRIVE IT FOR A WHILE AND IT GETS BELOW A HALF TANK OR SO I DON'T SMELL THE GAS ANYMORE. I AM WORRIED THAT THE GAS SMELL IN THE GARAGE MADE SOME FUMES INTO MY HOUSE AND THIS IS A SAFETY ISSUE. I SEE SOME MODELS OF MERCEDES HAVE BEEN RECALLED FOR THIS REASON. I WOULD LIKE MERCEDES TO RECALL AND REPAIR THIS AT NO CHARGE TO ME. APPARENTLY MERCEDES COVERS MODEL YEAR 2003 TO 2009 ON THE E CLASS IN 2006 TO 2011 ON THE CLS CLASS. I AM HAVING THE EXACT SAME ISSUE. *BF *TR *TR

NHTSA ID
11326410
Incident
Feb 4, 2020
Fuel system
Filed Jan 25, 2020

BOUGHT THE VEHICLE AT 42K MILES 3 YEARS AND IT SMELLS FUEL INSIDE THE VEHICLE AND THE GARAGE FOR A COUPLE OF DAYS ON EACH TANK FILL UP. IT SMELLS SO BAD I HAVE LEAVE THE GARAGE DOOR OPEN SOMETIMES SO THAT MY HOUSE DOES NOT CATCH FIRE ALONG THE VEHICLE. SEARCHED ONLINE A LOT OF OWNERS OF THE SAME VEHICLE HAVE THE SAME COMPLAINT.

NHTSA ID
11301880
Incident
Jan 1, 2020
Mileage
42,000 mi
Fuel system
Filed Sep 17, 2018

STRONG SMELL OF FUEL FROM REAR LEFT SIDE OF VEHICLE AFTER FILL UP. FUEL PUDDLE FOUND UNDER REAR PASSENGER SEAT UNDER FUEL TANK ACCESS PANEL. LEFT SIDE FUEL PUMP (FUEL FILTER/SENDER) FOUND CRACKED AND LEAKING AT THE NIPPLE TO THE OUTGOING GAS LINE. THIS IS A COMMON FAILURE FOR 10 YEAR OLD E AND C CLASS MERCEDES AND IS PART OF A MERCEDES EXTENDED WARRANTY PROGRAM TO CORRECT THIS EXACT PROBLEM. HOWEVER, MERCEDES TELLS ME THAT MY CLK IS NOT PART OF THE WARRANTY EXTENSION.

NHTSA ID
11129919
Incident
Sep 1, 2018
Mileage
66,000 mi
Fuel system
Filed Feb 22, 2018

AFTER FILLING GAS TANK STRONG GAS SMELL AROUND CAR SPECIALLY IN THE GARAGE NO VISIBLE FUEL LEAK.NO FUEL SMELL IN THE CAR ONLY OUTSIDE BY REAR WHEELS.NOT IN MOTION ,

NHTSA ID
11074398
Incident
Feb 22, 2018
Mileage
103,000 mi
Fuel system
Filed Feb 12, 2018

GASOLINE FUMES ARE INSIDE AND OUTSIDE THE VEHICHLE AFTER FILLING THE TANK. MERCEDES AGREED TO WARRANTY THIS ISSUE FOR 15 YEARS ON THE E-CLASS AND CLS-CLASS IN EA 13-003. THESE COMPONENTS ARE THE SAME ON THIS MODEL (CLK). THE INVESTIGATION SHOULD BE REOPENED AND INCLUDE ALL EFFECTED MODELS.

NHTSA ID
11072411
Incident
Feb 12, 2018
Mileage
122,754 mi
Fuel system
Filed Feb 21, 2017

STRONG ODOR OF GASOLINE, MAINLY AFTER REFUELING AND THEN CONTINUING WHEN DRIVING AND WHEN STATIONARY. MECHANIC ASSESSED THAT FUEL IS LEAKING FROM THE UPPER PART OF THE GAS TANK AND THE FUEL COMPONENTS.

NHTSA ID
10956030
Incident
Feb 15, 2017
Mileage
67,000 mi
Fuel system
Filed Feb 8, 2017

VERY STRONG GASOLINE SMELL COMING FROM UNDER THE DRIVER SIDE REAR SEAT ESPECIALLY AFTER FILLING GAS TANK. MERCEDES AGREED TO WARRANTY THIS ISSUE FOR 15 YEARS ON THE E-CLASS AND CLS-CLASS. WHY DIDN'T MERCEDES AND NHTSA INCLUDE THIS MODEL (CLK) THAT HAS THE SAME PROBLEM WITH THE SAME COMPONENTS?

NHTSA ID
10950325
Incident
Nov 14, 2016
Mileage
59,000 mi
Fuel system
Filed Mar 15, 2016

FUEL IS LEAKING FROM BOTH SENDER UNITS WHEN TANK IS MORE THAN 3/4 FULL. EXTREME FUMES WHEN CAR IS PARKED IN CLOSED GARAGE WITH A FULL TANK. SMELLS LIKE A LARGE QUANTITY OF FUEL IS LEAKING. PAID FOR THE SAME REPAIR 20K MILES AGO, NOW SAME PROBLEM HAS RETURNED. MB DEALER WILL NOT COVER UNDER WARRANTY, COST FOR REPAIR IS $1800 (PLUS ORIGINAL REPAIR). THE SYMPTOMS ARE IDENTICAL TO INVESTIGATION EA 13-003. ARE SIMILAR PARTS INVOLVED? GIVEN THE VAST NUMBER OF COMPLAINTS HERE AND ONLINE FORUMS, AN INVESTIGATION SHOULD BE DONE. THERE IS NO WAY THIS AMOUNT OF FUEL LEAKING IS NOT A SAFETY ISSUE. THIS IS LITERALLY A "TICKING TIME BOMB".

NHTSA ID
10849681
Incident
Mar 11, 2016
Mileage
56,000 mi
Fuel system
Filed Mar 1, 2016

THERE IS A STRONG GAS SMELL COMING FROM THE VEHICLE ESPECIALLY AFTER FILLING UP THE TANK. IT WAS INSPECTED AT FLETCHER JONES MERCEDES BENZ DEALER AND THE LEAK WAS FOUND AT THE FUEL TANK FILTER, LEVEL SENSOR, AND 2 SEAL RINGS. DUE TO THE COST, I DID NOT HAVE THE VEHICLE REPAIRED AT THE DEALER BUT AT A LOCAL SHOP SPECIALIZING IN MB. COST FOR THE REPAIR WAS $836.70. I AM REPORTING THIS LATE FOR PURPOSES OF SAFETY AND TRENDING.

NHTSA ID
10839232
Incident
Apr 28, 2014
Mileage
70,287 mi
Fuel system
Filed Oct 5, 2015

A VERY STONG GASOLINE SMELL IN THE GARAGE AFTER HAVING CAR FILLED. THE STRONG SMELL HAS BEEN GOING ON FOR SOMETIME BUT DIDN'T THINK TOO MUCH ABOUT IT. LAST WEEK A PLUMBER CAME TO MY HOUSE FOR A LEAKY PIPE SITUATION AND NOTICED THE SMELL AND SAID THAT WAS NOT NORMAL AND COU LD PRESENT A FIRE HAZARD! I IMMEDIATELY TOOK THE CAR TO GREENWAY MERCEDES LATE ON TUESDAY, 9-29-15. I SAID I WON'T HAVE TO PAY FOR THIS BECAUSE IT MUST BE A DEFECT. THEY SAID INDEED I WOULD HAVE TO PAY. THE DIAGNOSTIC SHOWED THAT IT WAS THE SEALS IN THE FUEL SENDING UNIT, AND I PAID $1400 TO BE REPAIRED. I TOLD THEM I WAS GOING TO FILE A COMPLAINT WITH YOU BECAUSE I HAD RESEARCHED AND FOUND OTHER COMPLAINTS FILED FOR THE SAME PROBLEM WITH YOU.

NHTSA ID
10779820
Incident
Sep 29, 2015
Mileage
35,442 mi
Fuel system
Filed Feb 13, 2015

TL* THE CONTACT OWNS A 2007 MERCEDES BENZ CLK350. UPON REFUELING THE VEHICLE, THE CONTACT SMELLED A STRONG ODOR OF FUEL OUTSIDE AND INSIDE THE VEHICLE. THE FAILURE PROGRESSED WITHOUT WARNING. THE VEHICLE WAS NOT INSPECTED AND DIAGNOSED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 99,942.

NHTSA ID
10683284
Incident
Feb 10, 2015
Mileage
99,942 mi
ElectricalEngineFuel system
Filed Apr 26, 2014

DRIVING DOWN THE ROAD AT A SLOW SPEED AND THE CAR JUST QUITS. SOMETIMES IT WILL START ITSELF BACK UP AND SOMETIMES I HAVE TO PULL OFF TO THE SIDE OF THE ROAD TO TURN IGNITION OFF AND THEN ON AGAIN. THE CAR WILL JUST QUIT AT HIGHWAY SPEEDS AND AFTER SOME QUICK THINKING AND REALIZING WHAT JUST HAPPENED THE ONLY THING TO DO IS DRIFT TO THE BERM OF THE ROAD WITH NO PWR STEERING OR BRAKES. THERE ARE ALSO TIMES WHEN I START THE CAR IT WILL QUIT AND TAKES TWO TO THREE MORE TRIES. ALSO HAD A SEVERE RAW GAS COMING FROM THE CAR AFTER A FILL UP. THE GAS FUMES WERE SO SEVERE THAT WE HAD TO PARK THE CAR OUTSIDE FOR FEAR OF AN EXPLOSION IN OUR GARAGE. I TOOK THE CAR TO THE MB DEALER IN PITTSBURGH AND THEY WERE ABLE TO REPAIR THE GAS PROBLEM AS THE GASKETS AROUND THE GAS TANK WERE DRY-ROTTED AND I PAID APPROX $600.00 FOR THIS REPAIR WHICH I FEEL THAT MB SHOULD HAVE COVERED SINCE AT 66000 MILES THIS SHOULD NOT HAPPEN. AS USUAL THEY COULD NOT DUPLICATE THE STALLING ISSUE. MB KNOW OF THIS PROBLEM BUT WILL NOT DO ANYTHING SINCE IT DOESN'T SHOW UP ON THERE COMPUTER HOOK-UPS. SOMETHING NEEDS TO BE DONE BEFORE PEOPLE GET KILLED. I'M SURE I'M NOT THE ONLY ONE THIS HAPPENS TOO. *TR

NHTSA ID
10585061
Incident
Jun 12, 2013
Mileage
66,400 mi
Fuel system
Filed Oct 21, 2012

THERE IS A VERY STRONG GAS SMELL. IT IS OVERWHELMING, LASTS FOR DAYS, AND WE NEED TO PARK THE CAR OUTSIDE OF THE GARAGE, AS THE SMELL IS SO INTENSE IT MAKES YOU FEEL SICK. IT JUST STARTED HAPPENING ABOUT A WEEK OR TWO AGO, AND SEEMS TO BE MOST OBVIOUS AFTER GETTING FUEL. I SEARCHED THE INTERNET AND FOUND THAT THIS SEEMS TO BE A VERY COMMON PROBLEM WITH A LOT OF MB OWNERS HAVING SIMILAR ISSUES. ALSO, THERE SEEMS TO BE A RECENT CLASS ACTION SUIT INITIATED BY THE NHTSA INVOLVING THIS PROBLEM. I'M CONCERNED THIS COULD BE A LIFE THREATENING SAFETY PROBLEM IF AN EXPLOSION OCCURS AND THE INTENSE FUMES SEEM LIKELY TO CAUSE OTHER HEALTH RELATED PROBLEMS. *TR

NHTSA ID
10481332
Incident
Oct 8, 2012
Mileage
29,500 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 .