RoadVitals

2007 Mercedes-Benz CLS550 Owner Complaints

Reports submitted to NHTSA by owners and drivers, shown in full

Data refreshed

Complaints on fileComplaints 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.
35
Latest Oct 15, 2025
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
1
Filed in the last 12 monthsReports filed with NHTSA in the trailing 365 days. Recent volume reflects attention and vehicle age as much as anything else.
1
Reports on file since Apr 30, 2007

What this page shows

Our database holds 35 NHTSA owner-reported complaints for the 2007 Mercedes-Benz CLS550. Each one is a report filed by an owner or driver and published by NHTSA without most of them being verified. A complaint is not a confirmed defect, not a recall and not a manufacturer bulletin. Narratives are shown exactly as filed.

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

Complaints, most recent first

Showing 1–25 of 35 · page 1 of 2

Fuel system
Filed Oct 15, 2025

The fuel tank has a leak from a defect in the plastic, and my local Mercedes dealership is unwilling to honor the Warranty Coverage Extension that covered fuel tank components to replace the fuel tank.

NHTSA ID
11693552
Incident
Oct 1, 2025
Electrical
Filed Sep 15, 2022

Drained Battery everyday.

NHTSA ID
11484706
Incident
Sep 1, 2020
Suspension
Filed Jan 31, 2021

WHILE DRIVING THE VECHILE LOWERED AND I NOTICED A PUDDLE WHILE IDLE

NHTSA ID
11390873
Incident
Jan 29, 2021
Mileage
118,000 mi
Powertrain (other)
Filed Jan 16, 2020

DEFECTIVE INTERNAL SPEED SENSOR DOES NOT SEND SIGNAL TO TCM(TRANSMISSION CONTROL MODULE) CAUSING LOSS OF POWER WHILE MOVING. THE ONLY WAY TO GET CAR GOING AGAIN IS TO SHUT OFF CAR AND RESTART HOPING IT WILL RESET. IF THIS WERE TO HAPPEN IN CONSTRUCTION ZONE WITH NOWHERE TO PULL OVER, MAY BE DEADLY.

NHTSA ID
11299919
Incident
Jan 1, 2020
Mileage
44,600 mi
Driver assistancePowertrain (other)
Filed Dec 27, 2018

DRIVING HIGHWAY SPEEDS AND SUDDENLY VEHICLE JERKED AND LOSSES ALL POWER. ENGINE REVS BUT DOESN'T MOVE. THIS CAN BE A VERY DANGEROUS SITUATION. TRANSMISSION WENT INTO 'LIMP' MODE AND CHECK ENGINE LIGHT LIT. MANY OTHER MERCEDES OWNERS REPORTING SAME PROBLEM WITH THE 722.9 TRANSMISSION VALVEBODY, CONDUCTOR PLATE, AND/OR TCM. THIS SHOULD BE INVESTIGATED AS COUNTLESS OTHER PEOPLE ARE REPORTING THIS SAME ISSUE FOR SEVERAL YEARS NOW.

NHTSA ID
11163610
Incident
Dec 26, 2018
Mileage
116,000 mi
Fuel system
Filed Sep 19, 2017

I AM REFERENCING ACTION # PE12001. AFTER EACH OF MY LAST TWO FUEL FILLLINGS, THE CAR IS EMITTING A VERY STRONG SMELL OF GASOLINE FROM THE BACK SEAT & TRUNK COMPARTMENT. I PARK MY CAR IN MY GARAGE AND THE SMELL IS STRONG ENOUGH THAT I CAN SMELL IT IN MY HOME. I AM EXTREMELY FEARFUL THAT THERE WILL BE A FIRE. I DO NOT DESIRE TO PARK MY CAR OUTSIDE, BUT I BELIEVE THE CAR IS UNSAFE TO KEEP IN GARAGE. I HAVE LOST CONFIDENCE IN MY CAR FEARING THAT EVEN DRIVING IT AROUND TOWN COULD POSE A DANGER TO ME AND MY PASSENGERS.

NHTSA ID
11024177
Incident
Jul 28, 2017
Mileage
86,000 mi
Fuel system
Filed May 17, 2017

NOTE THAT THE VEHICLE ON HAS 43,733 MILES - CABIN INTERIOR STRONG LIVE FUEL FUMES - CONSTANT GAS FUMES ON THE INSIDE OF THE CAR CABIN. NOTE THAT THE CAR WAS STATIONARY AT MY RESIDENCE PARKING. I DID NOT KNOW WHERE WERE THE FUMES COMING FROM AT THE TIME. GOT A HEADACHE JUST FOR THE MOMENT I WAS TRYING TO DETERMINED WHERE WERE THE FUMES COMING FROM. THIS IS CURRENTLY FOR ALL DRIVERS AND OWNERS A VERY HAZARDOUS DANGEROUS CONDITION TO ALL EXTREMES, VERY HIGH RISK FROM IGNITION FROM STATIC OR ELECTRICAL, DUE TO WIRE HARDNESS IN THE AREA. VEHICLE WAS TOWED AND TOOK IT TO MERCEDES BENZ DEALER AND FOUND THE FOLLOWING: LEAKAGE IN FUEL SYSTEM. REPLACED FUEL TANK FUEL TANK DRAIN/FILL OBSERVED ACCIDENT PREVENTION REGULATION "12 WL08" FUEL TANK AND FUEL FOR STORAGEBRING OBSERVE ACCIDENT PREVENTION REGULATION "12 WL08" PERFORMED BY MERCEDES-BENZ OF NEW ORLEANS. FUEL TANK LEAKING IN THE INTERIOR WAS FOUND / WAS DRAINED & REFILLED AND FUEL TANK REPLACED. THIS WAS COVER UNDER A NEW SETTLEMENT WITH MERCEDES BENZ AND NHTSA. I THINK THAT THIS SHOULD HAVE BEEN A RECALL WHEN IT RELATES TO SAFETY FACTORS.

NHTSA ID
10986233
Incident
May 5, 2017
Mileage
43,733 mi
Fuel system
Filed Jan 26, 2017

MY HUSBAND AND I PURCHASED THE 2007 CLS550 ABOUT SEPTEMBER 2015. WE NOTICED WHEN FILLING THE VEHICLE WITH GAS, WE WOULD HAVE GAS FUMES IN THE VEHICLE SPECIFICALLY ON THE PASSENGER SIDE REAR INSIDE AND OUTSIDE. THE FUMES WERE LIGHT AND WOULD DISSIPATE ONCE THE VEHICLE WAS DRIVEN TO REDUCE THE AMOUNT OF GAS IN THE TANK TO ABOUT THREE-QUARTERS TANK. LAST WEEK WE FILLED THE TANK AND THE SMALL IS NOW STRONGER AND HAS YET TO DISSIPATE ALTHOUGH WE HAVE A QUARTER TANK OF GAS REMAINING. I CHECKED FOR ANY RECALLS ON THIS SINCE WE HAVE NO KNOWLEDGE OF THE VEHICLE HAVING BEEN IN ANY ACCIDENTS, BUT FIND WE DO NOT. THIS ONLINE SEARCH DID NOT REVEAL ANY RECALLS FOR THE GAS FUMES, BUT I NOTED THERE ARE MULTIPLE COMPLAINTS ABOUT THE SAME PROBLEM FOR THIS YEAR, MAKE AND MODEL OF VEHICLE. HAVE ANY PEOPLE DIED FROM THIS, ANY FIRES, ACCIDENTS AS A RESULT? WE HAVE NOT YET, BUT WILL BE TAKING OUR VEHICLE IN FOR EVALUATION OF THE PROBLEM AND WOULD BE ABLE TO PROVIDE DOCUMENTATION OF THE RESULTS IN THE FUTURE. GIVEN THE NAME, I AM SURPRISED MERCEDES IS NOT STEPPING UP HERE! *TR

NHTSA ID
10947866
Incident
Oct 1, 2015
Mileage
87,726 mi
Fuel system
Filed Jan 10, 2017

TL* THE CONTACT OWNS A 2007 MERCEDES-BENZ CLS550. WHEN THE CONTACT ENTERED THE VEHICLE, A FUEL ODOR WAS NOTICED WITHOUT WARNING. THE FAILURE RECURRED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE FUEL TANK WAS CRACKED AND LEAKED FUEL. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND STATED THAT THERE WAS NO RECALL. THE MANUFACTURER STATED THAT THE VEHICLE WOULD BE REPAIRED FOR FREE IF THE CONTACT TOOK THE VEHICLE TO A MERCEDES DEALER. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 200,000. THE VIN WAS NOT PROVIDED.

NHTSA ID
10944176
Incident
Oct 17, 2016
Mileage
200,000 mi
Fuel system
Filed May 3, 2016

I OWNED 2007 MERCEDE CLS550. I NOTES A STRONG GAS SMELL INSIDE AND OUT SIDE THE CAR AFTER I FILL IT UP. I REPLACED THE FUEL CAP BUT NO HELP. FUMES FILL UP MY CAR AND MY GARAGE EVERY TIME I FILL UP NOW.

NHTSA ID
10862891
Incident
Mar 9, 2016
Mileage
58,700 mi
EngineFuel systemSteering
Filed Mar 24, 2016

EVERY TIME I FILL UP MY TANK WITH GASOLINE, ONCE I PARK IN THE GARAGE, THE GARAGE IS FILLED WITH STRONG GAS FUMES FROM MY CAR. I CHECKED FOR LEAKS UNDER THE CAR AND FOUND NOTHING. I HAVE TO RAISE THE GARAGE DOOR TO LET THE FUMES OUT, DUE TO GETTING LIGHTHEADED FROM THE FUMES. THE FUMES REMAIN WITH THE CAR FOR 7-10 DAYS. THIS HAS BEEN GOING ON FOR THE PAST FOUR YEARS. THIS PROBLEM IS A DANGER TO MY FAMILY'S HEALTH!!!! SURELY, THERE IS A RECALL ON THIS PROBLEM! 2ND ISSUE: I TURNED MY CAR OFF AND THE FAN KEPT RUNNING. I NOTICED THAT THE FAN WAS SO LOUD THAT IT SOUNDED LIKE IT WAS ABOUT TO BLOW UP. BLACK SMOKE CAME FROM UNDER THE HOOD. I WENT ON INTO THE BUILDING TO MY MEETING FOR AN HOUR. WHEN I CAME BACK OUTSIDE, THE FAN WAS STILL GOING AND STILL LOUD. THIS HAD NEVER HAPPENED IN THE FIVE YEARS THAT I HAD THE CAR. THE CAR WOULD NOT START. I HAD TO CALL SOMEONE TO BOOST IT OFF TO START. I THEN WENT TO THE SHOP TO CHECK TO SEE IF I HAD BATTERY OR STARTER PROBLEMS. NO PROBLEMS FOUND IN EITHER. THIS HAS HAPPENED TWICE SINCE THEN. I AM AFRAID THAT THE CAR WILL CATCH FIRE WITH ME IN IT OR MY FAMILY OR FRIENDS. 3RD ISSUE I WAS DRIVING ALONG AND THE DASHBOARD READ OUT IN RED TO STOP THE CAR ..VEHICLE IS TOO LOW... WHEN STOPPED, I NOTICED THAT THE PASSENGER SIDE OF THE CAR WAS LOW AND THE DRIVER SIDE IS RAISED HIGH. I HAVE TO SIT THERE FOR A FEW MINUTES UNTIL THE RED LIGHTS WENT OUT. THIS HAPPENS OFTEN. 4TH TIRE PRESSURE LIGHT STAYS ON. I TOOK IT TO CHECK ON PRESSURE, IT WAS OK. I DID NOT NEED NEW TIRES EITHER. THE YELLOW LIGHT STAYS ON AND THIS WEEK THE RED LIGHT POPPED ON AND WILL NOT GO OFF. 5TH THE CHECK ENGINE LIGHT STAYS ON AND MECHANIC CAN NOT FIND THE PROBLEM. 6TH STEERING SYSTEM LOUD POPPING NOISE WHEN I BACK UP OR TURN STEERING WHEEL. IT USED TO BE RANDOM BUT NOW IT IS EVERY TIME I DRIVE THE CAR.

NHTSA ID
10851440
Incident
Jan 3, 2012
Fuel system
Filed Oct 16, 2015

TL* THE CONTACT OWNS A 2007 MERCEDES BENZ CLS550. AFTER REFUELING THE VEHICLE, THERE WAS A STRONG ODOR OF FUEL PRESENT INSIDE THE CABIN OF THE VEHICLE. IN ADDITION, THE VEHICLE FAILED TO START ON SEVERAL OCCASIONS. THE CONTACT NOTICED THAT THERE WAS FUEL LEAKING FROM UNDER THE DRIVER SIDE OF THE VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE LEFT FUEL LEVEL SENSOR FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS UNKNOWN.

NHTSA ID
10782959
Incident
Oct 3, 2014
Fuel system
Filed Jul 28, 2015

TL* THE CONTACT OWNS A 2007 MERCEDES BENZ CLS550. THE CONTACT STATED THAT STRONG FUEL FUMES WERE PRESENT INSIDE THE VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC, BUT A LEAK COULD NOT BE DETECTED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 51,000.

NHTSA ID
10744198
Incident
Jul 22, 2015
Mileage
51,000 mi
Fuel system
Filed Jul 9, 2015

THERE IS A FUEL LEAKING INTO THE BACKSEAT OF MY 2007 MERCEDES BENZ CLS 550 I BEGAN NOTICING THE SMELL IN MY CAR A FEW MONTHS AGO AND I FINALLY DECIDED TO REMOVE THE BACK SEAT, UNDER THE BACK SEAT LIES THE FUEL TANK AND A FUEL FILTER MODULE WHICH IS LEAKING AND CREATING A SMALL POOL OF FUEL AND A FUEL SCENT IN MY CAR. INCIDENTALLY MERCEDES HAD A RECALL ON THE MERCEDES BENZ 2006 CLS (VOLUNTARY EMISSIONS RECALL CAMPAIGN #2008-020001) MY CAR IS A MERCEDES BENZ 2007 CLS WITH THE EXACT SAME PROBLEM. I WOULD LIKE TO FILE THIS COMPLAINT AND ASK THAT YOU HELP ME IN GETTING MERCEDES BENZ TO TAKE RESPONSIBILITY FOR THIS FAULTY FUEL FILTER MODULE AND INITIATE A RECALL TO REPAIR THIS PROBLEM. THIS PROBLEM HAS BEEN DOCUMENTED EXTENSIVELY ON MANY MERCEDES BENZ FORUMS HTTP://WWW.MBCA.ORG/FORUM/GAS-LEAK-SENDING-UNIT THIS ISSUE CREATES AN IMMEDIATE HAZARD TO ME, MY FAMILY AND OTHER DRIVERS. I ASK THAT YOU TAKE QUICK ACTION IN CONTACTING MERCEDES BENZ DEMANDING THEY MAKE AMENDS TO THIS ISSUE BEFORE SOMEONE GETS SERIOUSLY INJURED.

NHTSA ID
10732982
Incident
Jul 2, 2015
Mileage
105,000 mi
Fuel system
Filed Jun 26, 2015

HI I HAVE 2007 MERCEDES CLS550 79000 MILES.I HAD THE CAR FOR PAST 2 YEARS ARE WEEK AGO AFTER REFILING THE GAS TANK ARE STRONG GAS SMELL APPEAR INSIDE THE CAR AND OUT SIDE ALSO.I WAS WORRY FOR MY SAFETY AND I START READING ABOUT THE SAME PROBLEMS AND CURRENT CAMPAIGN AND RECALL FOR MERCEDES E CLASS W211 2003 TO 2009 SO I REMOVE MY REAR PASSENGER SEAT TO LOCATE THE PUMP AND THE SENDING UNIT THERE WAS BIG PUDDLE OF RAW GASOLINE INSIDE THE CABIN AROUND 200-300ML THERE WAS SO MUCH THERE THE WIRES FOR THE PUMP AND SENSORS WAS UNDER THE FUEL. I CALLED THE DEALER THEY REFUSE TO DO RECALL FOR MY CAR MY CAR USE THE SAME GAS TANK AND SAME PUMP AND SENDING UNIT LIKE E CLASS FROM 2003 TO 2008.. SO IF ONE PART IS DEFECTIVE(THE GAS TANK) WILL BE STILL DEFECTIVE IF MERCEDES PUT IN DIFFERENT MODEL CAR.MY CAR IS NOT SAFE ANY MORE IM SCARY TO DRIVE IT ANY MORE .

NHTSA ID
10730512
Incident
Jun 15, 2015
Mileage
79,800 mi
Fuel system
Filed Oct 30, 2014

UPON SMELLING GASOLINE WHEN THE AUTO IN QUESTION WAS FILLED, WE WERE DIRECTED MY MERCEDES DEALERSHIP ON WEST SAHARA IN THE CITY OF LAS VEGAS IN THE STATE OF NEVADA. THE OWNER REPLACED THE GAS CAP. THE AUTO IN QUESTION CONTINUED TO SMELL OF GASOLINE OFF AND ON. IN SEPTEMBER OF 2014 THE AUTO DISPLAYED A SIGNAL AT THE ENGINE NEEDED TO BE LOOKED AT. THE AUTO WAS TAKEN BACK TO MERCEDES ON WEST SAHARA AND THE OWNER WAS INFORMED THAT THERE WAS A FUEL TANK LEAK. DUE TO THE QUOTE OF $3500 TO FIX THE ISSUE, THE AUTO WAS TAKEN TO G&G AUTO AND AUTHORIZED MERCEDES REPAIR SHOP IN LAS VEGAS. THE LEAD MECHANIC CONFIRMED THE FUEL TANK LEAK AND SHOWED THE OWNER HOW THE GAS POOLED ON TOP OF THE TANK WHICH IS JUST UNDER THE BACK SEAT. OBVIOUSLY A HUGE DANGER. THE OWNER OF G&G AUTOSHOP INFORMED THE OWNER THAT THIS IS A VERY COMMON PROBLEM AND ALERTED US TO THE DOCUMENTATION ON THE INTERNET REGARDING CLASS ACTION LAW SUITS. THE OWNER CONTACTED MERCEDES HEAD QUARTERS IN NEW YORK CITY AND WELL AS THE GENERAL MANGER OF THE WEST SAHARA SERVICE CENTER. THE OWNER WAS TOLD THAT THE CAR WAS NO LONGER UNDER WARRANTY AND THEY WOULD NOT REPAIR THE CAR UNLESS PAID. THE CAR WAS ULTIMATELY REPAIRED AT G&G AUTO SHOP. *TR

NHTSA ID
10651540
Incident
Oct 27, 2014
Mileage
103,000 mi
Fuel system
Filed Sep 17, 2014

I STARTED TO NOTICE A STRONG SMELL OF GASOLINE INSIDE AND AROUND MY CAR. THIS OCCURRED SOON AFTER FILLING UP MY GAS TANK. I LOOKED AROUND MY CAR TO SEE IF I COULD DETECT ANY LEAKING, OR PUDDLING UNDERNEATH MY CAR BUT DIDN'T NOTICE MANY DRIPS. THE STRENGTH OF THE SMELL DECREASED AS I DROVE AND AS THE GAS TANK LEVEL DECREASED. THE NEXT TIME I FILLED UP MY GAS TANK THE SMELL CAME BACK AND WAS VERY STRONG. ANYONE WHO RODE IN THE CAR WITH ME INCLUDING MY WIFE AND OUR SON, WOULD COMMENT ON THE SMELL. AFTER DOING SOME RESEARCH I REALIZED THAT MANY OTHERS HAVE HAD THIS PROBLEM, AND THAT THERE IS EVEN A CLASS ACTION SUIT OPEN FOR THIS SAME TYPE OF DEFECT IN ANOTHER YEAR AND MODEL MERCEDES. I CALLED TO FILE A CLAIM WITH MERCEDES USA, AND THEY SAID THAT THIS IS NOT SOMETHING THAT THEY WOULD COVER THE REPAIRS ON. I CAN'T BELIEVE THAT MERCEDES USA WOULDN'T COVER DEFECT REPAIRS FOR AN ISSUE MANY PEOPLE HAVE HAD, ESPECIALLY WITH THE HEALTH AND SAFETY RISKS ASSOCIATED WITH GASOLINE LEAKING FROM THE GAS TANK, AS WELL AS THE GASOLINE FUMES LEAKING INTO THE CABIN OF THE CAR. I HOPE THERE ARE ENOUGH PEOPLE THAT VOICE THEIR SIMILAR EXPERIENCE SO THAT A GOVERNMENT INVESTIGATION CAN BRING OUT THE FACTS OF THIS OBVIOUS DEFECTIVE ISSUE. LONG TERM EFFECTS OF GASOLINE FUME INHALATION ARE SUSPECT TO CAUSE CANCER. *TR

NHTSA ID
10637119
Incident
Jul 7, 2014
Mileage
72,000 mi
Fuel system
Filed Aug 7, 2014

I'VE HAD THIS VEHICLE FOR YEARS. EACH TIME I FILLUP, THERE IS A VERY INTOXICATING SMELL OF FUEL INSIDE AND OUTSIDE THE VEHICLE. I WAS READING UP ON IT AND SEEMS TO BE A COMMON PROBLEM. THIS IS A TRUE HEALTH HAZARD AS YOU CANNOT BREATHE RIGHT BECAUSE OF THE FUMES. NOT TO MENTION THE CHANCES OF IT CATCHING FIRE. *TR

NHTSA ID
10619476
Incident
Nov 22, 2007
Mileage
14,000 mi
Fuel system
Filed Aug 1, 2014

I FILLED MY CAR UP SUNDAY AND PARKED IT IN THE GARAGE, THE FOLLOWING MORNING THERE WAS A STRONG FUEL SMELL THAT PERMEATED THE GARAGE AND ALL AROUND THE CAR. I LOOKED FOR LEAKS FOUND NONE. THE SMELL WAS COMING FROM UNDER THE SEAT ON THE DRIVERS SIDE REAR. I REVIEWED SOME ONLINE FORUMS AND NOTICED THIS SEEMS TO BE A COMMON OCCURENCE WITH THESE VEHICLES. THIS IS VERY DANGEROUS AND A SAFTEY HAZARD. *TR

NHTSA ID
10618083
Incident
Aug 25, 2013
Mileage
61,325 mi
Fuel system
Filed Feb 5, 2014

AFTER FILLING UP MY CAR WITH GAS I NOTICED A VERY STRONG SMELL OF GAS AFTER I TURNED MY CAR OFF. THE GARAGE SMELLED SO BAD I HAD TO OPEN BOTH DOORS. I DID NOT NOTICE ANY LEAKING. I SEE SOME OTHER CARS LIKE MINE HAVE THE SAME PROBLEM. THIS IS DANGEROUS AND A HEALTH ISSUE. MB SO DO A RECALL ON THIS ISSUE. *TR

NHTSA ID
10563191
Incident
Feb 4, 2014
Mileage
128,000 mi
Fuel system
Filed Feb 5, 2014

WHEN I FILL MY VEHICLE UP WITH GAS, THE FUMES FILL UP MY CAR AND MY GARAGE. AFTER I DRIVE MY CAR AND THE GAS GOES DOWN TO 3/4 A TANK, THE FUMES RESIDE. I CAN ONLY FILL MY CAR UP 3/4 OF A WAY WITHOUT THE FUMES ENTERING MY CAR. I TOOK MY CAR TO THE DEALERSHIP AND THEY REMOVED THE BACK SEAT AND SAW THAT THE GAS WAS FILLING UP UNDER THE SEAT. THEY FOUND A LEAK AT THE FUEL GAUGE SENDING UNIT. THE SENDING UNIT NEEDS TO BE REPLACED. *TR

NHTSA ID
10563189
Incident
Aug 3, 2013
Mileage
101,709 mi
Fuel system
Filed Dec 16, 2013

WHEN I FILL UP MY CAR WITH GAS THERE IS A STRONG GAS ODOR AROUND THE LEFT BACK SEAT ON THE INTERIOR AND AROUND THE LEFT REAR WHEEL ON THE OUTSIDE. AFTER FURTHER INVESTIGATION I FOUND GAS LEAKING AROUND THE LEFT SENDING UNIT / PUMP. THIS IS A SERIOUS DESIGN FLAW AS THE SENDING UNIT / PUMP IS MADE OF PLASTIC AND SERVERS A STRUCTURAL MEMBER TO SUSPEND THE UNIT IN PLACE. THE PRESENCE OF GAS FUMES IN THE INTERIOR IS A FIRE AND HUMAN HEALTH HAZARD AND THE GAS FUMES ON THE OUTSIDE OF THE CAR IS AT MINIMUM A FIRE HAZARD. THIS APPEARS TO BE A COMMON DEFECT ON MERCEDES CLS AND E-CLASS BETWEEN 2004 - 2008. THANKS FOR YOUR ASSISTANCE IN THIS MATTER. *TR

NHTSA ID
10556151
Incident
Nov 18, 2013
Mileage
46,671 mi
Fuel system
Filed Oct 13, 2013

I HAD FILLED MY CAR UP WITH GAS THE NIGHT BEFORE I NOTICED THE INCIDENT. THE NEXT DAY WHEN I WENT INSIDE OF MY VEHICLE IT HAD SPELLED HORRIBLY OF GAS, SO BAD I WAS GETTING LIGHT HEADED FROM THE FUMES AND HAD TO KEEP THE WINDOW'S OPEN TO AIR OUT. BUT THE SMELL HAS REMAINED FOR A WEEK NOW.. I LOCATED THE SOURCE OF THE SMELL COMING FROM THE REAR SEAT ON THE DRIVERS SIDE, I REMOVED THE REAR SEAT CUSHION AND IT SMELLS AS IF IT WAS DOUSED WITH FUEL. EVEN WITH THE SEAT REMOVED THE SMELL REMAINS. I PROCEEDED TO LOOK ONLINE ABOUT COMMON ISSUES FOR THIS PROBLEM, I NOTICED A RECALL ON THE FUEL SENDER UNIT FOR PREVIOUS YEARS BUT NOT THE 2007 MODEL OF MY VEHICLE. I HAVE SEEN MANY PEOPLE COMPLAIN OF THIS EXACT ISSUE FOR THE 2007 MODEL. I CALLED THE MERCEDES DEALER ABOUT THE ISSUE AND THEY SAY THERE IS NO RECALL FOR MY MODEL EXCEPT FOR THE CAMSHAFT SELENOID. THIS IS A HIGHLY IMPORTANT ISSUE THAT SHOULD BE LOOKED INTO, I HAVE MY CHILDREN IN THE CAR AT TIMES. I HAVE MADE AN APPOINTMENT WITH THE DEALER TO FURTHER LOOK INTO MY PROBLEM BUT I THINK THIS SHOULD BE INVESTIGATED AND REPORTED AS A RECALL SINCE OTHERS HAVE THE SAME ISSUE.

NHTSA ID
10547783
Incident
Oct 8, 2013
Mileage
69,270 mi
Fuel system
Filed Jun 5, 2013

CHECK ENGINE LIGHT CAME ON. READS P0456 EVAP SMALL LEAK DETECTED. AFTER FILLING GAS TANK FULL OR ANYTHING OVER 3/4 FULL. STRONG GAS FUMES SMELL INSIDE AND OUTSIDE OF CAR. CHECKED TOP OF FUEL PUMP UNDER REAR DRIVER'S SEAT. FUEL WAS PUDDLED ON TOP OF THIS UNIT. (I HAVE PICTURES IF NEEDED) REPLACED FUEL PUMP SEAL RING AND GAS CAP WITH NEW PARTS. PROBLEM HAS CAME BACK WITH MORE CHECK ENGINE CODES AND STRONG GAS SMELL/FUMES INSIDE CAR. I BELIEVE E-CLASS 03-06 HAVE SAME SAFETY ISSUES, AND HOPE MY 07 CLS550 WILL BE INCLUDED IN A POSSIBLE RECALL, ETC. AS I BELIEVE THE CARS USE SAME PARTS/PLATFORM. REFER TO: NHTSA# PE12001. *TR

NHTSA ID
10515297
Incident
Mar 18, 2013
Mileage
61,585 mi
Fuel system
Filed May 9, 2013

FILLED THE GAS TANK. I DROVE 2 MILES TO MY HOUSE, AND PARKED THE CAR IN THE GARAGE. FUEL STARTED LEAKING FROM THE FUEL TANK DIRECTLY BEHIND THE LEFT REAR WHEEL. THE FUEL FUMES FILLED MY HOUSE. *TR

NHTSA ID
10511269
Incident
Dec 12, 2011
Mileage
56,836 mi

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