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2007 Mercedes Benz CLS550

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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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

29 reports with mileage · 6 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 17 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel System, Gasoline. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports1 fire reports0 injury reports

Fuel/propulsion System complaints

17 reports
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Mileage unknown · Oct 15, 2025
Fuel/propulsion System

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 ODI #11693552

86,000 miles · Sep 19, 2017
Fuel/propulsion System

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 PA…

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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 ODI #11024177

43,733 miles · May 17, 2017
Fuel/propulsion SystemUnknown Or Other

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 T…

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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 ODI #10986233

200,000 miles · Jan 10, 2017
Fuel/propulsion System

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…

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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 ODI #10944176

58,700 miles · May 3, 2016
Fuel/propulsion System

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 ODI #10862891

Mileage unknown · Mar 24, 2016
EngineFuel/propulsion SystemSteering

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…

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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 ODI #10851440

Mileage unknown · Oct 16, 2015
Fuel/propulsion System

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…

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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 ODI #10782959

51,000 miles · Jul 28, 2015
Fuel/propulsion System

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 51,00…

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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 ODI #10744198

105,000 miles · Jul 9, 2015
Fuel/propulsion System

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. INCIDENTALL…

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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 ODI #10732982

79,800 miles · Jun 26, 2015
Fuel/propulsion System

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 REM…

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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 ODI #10730512

Official recalls

4

24V874000 · 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.

21V196000 · Visibility:sun/moon Roof Assembly

Mar 19, 2021

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2006-2007 C350, C230, C280, CLK350, E320CDI, E350 Wagon, E350, 2006 C55 AMG, CLK500, CLS500, CLS55 AMG, E500 Wagon, E500, E55 AMG, 2007 CLK550, CLS550, CLS63 AMG, E550, E63 AMG, and E63 Wagon AMG vehicles. The bonding between the glass panel and the sliding roof frame may deteriorate, possibly causing the glass panel to detach from the vehicle.

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. Owner letters were mailed May 7, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of recall number 19V-918. MBUSA's number for this recall is 2021040012.

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.

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

0

No exact-year investigations in this snapshot.