Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 7 of 8 reports include usable mileage. There isn’t enough coverage to show a useful chart.
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 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Visibility. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Air Bags. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
1 crash reports0 fire reports2 injury reports
What owners actually said
8 reports
40,030 miles · Aug 22, 2022
Visibility
The contact owns a 2009 Mercedes - Benz CLK350. The contact stated he turned on the air condition of his vehicle and an odor of mold came from the vents. The vehicle was taken to the dealer and stated that there was no recall for that failure. The manufacturer was contacted, and they also stated that there was no recall for the …
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The contact owns a 2009 Mercedes - Benz CLK350. The contact stated he turned on the air condition of his vehicle and an odor of mold came from the vents. The vehicle was taken to the dealer and stated that there was no recall for that failure. The manufacturer was contacted, and they also stated that there was no recall for the failure and advised the contact to call the NHTSA Hotline. The failure mileage was 40,030.
NHTSA ODI #11480577
123,000 miles · Jul 28, 2020
SeatsInjury
TL* THE CONTACT OWNS A 2009 MERCEDES BENZ CLK350. THE CONTACT STATED THAT THE FRONT DRIVER SEAT HEADREST AIR BAG EXPLODED WHILE DRIVING, AS A RESULT, THE CONTACT SUSTAINED LOSS OF HEARING IN HER LEFT EAR THAT REQUIRED MEDICAL ATTENTION. THE CONTACT STATED THAT THE VEHICLE'S SOS SYSTEM ALERTED HER OF A FAILURE AND A TOW TRUCK WA…
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TL* THE CONTACT OWNS A 2009 MERCEDES BENZ CLK350. THE CONTACT STATED THAT THE FRONT DRIVER SEAT HEADREST AIR BAG EXPLODED WHILE DRIVING, AS A RESULT, THE CONTACT SUSTAINED LOSS OF HEARING IN HER LEFT EAR THAT REQUIRED MEDICAL ATTENTION. THE CONTACT STATED THAT THE VEHICLE'S SOS SYSTEM ALERTED HER OF A FAILURE AND A TOW TRUCK WAS SENT TO THE SCENE. THE VEHICLE WAS TOWED TO RBM OF ALPHARETTA (345 MCFARLAND PKWY, ALPHARETTA, GA 30004) HOWEVER THE FAILURE HAD NOT BEEN DIAGNOSED AS THE DEALER WAS WAITING FOR THE MANUFACTURER TO ADVISE AND SEND A FIELD INSPECTOR TO THE DEALER. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 123,000.
NHTSA ODI #11341777
Mileage unknown · Jul 1, 2020
Visibility
TL* THE CONTACT OWNS A 2009 MERCEDES BENZ CLK350. THE CONTACT STATED THAT THE VEHICLE WAS TAKEN FOR STATE EMISSION TESTING AND SHE WAS INFORMED THAT THE VEHICLE WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 19V918000 (VISIBILITY) HOWEVER, PARTS TO DO THE RECALL REPAIR WERE NOT YET AVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXC…
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TL* THE CONTACT OWNS A 2009 MERCEDES BENZ CLK350. THE CONTACT STATED THAT THE VEHICLE WAS TAKEN FOR STATE EMISSION TESTING AND SHE WAS INFORMED THAT THE VEHICLE WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 19V918000 (VISIBILITY) HOWEVER, PARTS TO DO THE RECALL REPAIR WERE NOT YET AVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. NEITHER THE MANUFACTURER NOR THE DEALER WERE MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.
NHTSA ODI #11331944
75,739 miles · Jun 5, 2019
Electronic Stability Control (esc)Service BrakesUnknown Or Other
DRIVING STRAIGHT ABOUT 25MPH ALONG A AN OTHERWISE EMPTY RESIDENTIAL STREET. EXPERIENCED MULTIPLE MICRO-BURSTS OF SUDDEN, BRIEF, VIOLENT, UNINTENDED BRAKING. DRIVER'S FOOT WAS NOWHERE NEAR THE BRAKE PEDAL. BRAKING WAS SO VIOLENT THAT THE WHEELS LOCKED UP AND MADE SKIDDING SOUNDS AND OCCUPANTS WERE SHAKEN. EACH INCIDENCE OF BRAKIN…
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DRIVING STRAIGHT ABOUT 25MPH ALONG A AN OTHERWISE EMPTY RESIDENTIAL STREET. EXPERIENCED MULTIPLE MICRO-BURSTS OF SUDDEN, BRIEF, VIOLENT, UNINTENDED BRAKING. DRIVER'S FOOT WAS NOWHERE NEAR THE BRAKE PEDAL. BRAKING WAS SO VIOLENT THAT THE WHEELS LOCKED UP AND MADE SKIDDING SOUNDS AND OCCUPANTS WERE SHAKEN. EACH INCIDENCE OF BRAKING WAS VERY SHORT, PERHAPS A FRACTION OF A SECOND. THE FIRST OCCURRENCE (WHILE TRAVELING ~25MPH) THERE WERE ABOUT FOUR SEPARATE "BRAKES" WITHIN A FEW SECONDS. THIS OCCURRED ONLY TWO BLOCKS FROM HOME. I PROCEEDED HOME AT A MUCH SLOWER PACE WITH THE EMERGENCY LIGHTS FLASHING. EN ROUTE I EXPERIENCED SEVERAL MORE INCIDENTS OF SUDDEN, BRIEF, VIOLENT UNINTENDED BRAKING. NO WARNING LIGHTS (E.G. ESP) FLASHED DURING ANY OF THE BRAKING EPISODES. EVEN AT LOW SPEED ON A EMPTY ROAD THE UNINTENDED BRAKING WAS SO VIOLENT AS TO LEAVE ME SHAKEN. IF IT OCCURRED AT HIGH SPEED, ON A BUSY ROAD, AND/OR OF WITH AN INEXPERIENCED DRIVER THE CONSEQUENCES COULD HAVE BEEN SERIOUS.
NHTSA ODI #11218056
100,000 miles · Apr 24, 2018
Air BagsCrashInjury
I WAS INVOLVED IN A CAR ACCIDENT LAST FEBRUARY, MY AIRBAG DIDN'T DEPLOY AS COMPARED TO THE OTHER VEHICLE (TOYOTA) WHERE HER AIRBAG WORKED. MY CAR AND THE OTHER PERSON'S CAR WERE TOTALED. I WAS DRIVING ON THE MIDDLE LANE OF A 3 LANE ROAD WHEN THE DRIVER ON THE RIGHT SIDE LANE HIT A PARKED VEHICLE ON THE RIGHT SIDE OF THE ROAD, S…
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I WAS INVOLVED IN A CAR ACCIDENT LAST FEBRUARY, MY AIRBAG DIDN'T DEPLOY AS COMPARED TO THE OTHER VEHICLE (TOYOTA) WHERE HER AIRBAG WORKED. MY CAR AND THE OTHER PERSON'S CAR WERE TOTALED. I WAS DRIVING ON THE MIDDLE LANE OF A 3 LANE ROAD WHEN THE DRIVER ON THE RIGHT SIDE LANE HIT A PARKED VEHICLE ON THE RIGHT SIDE OF THE ROAD, SPUN AROUND, AND CROSS OVER TO MY LANE AND HIT ME HEAD ON. A ROAD DUE TO MY ACCIDENT, I SUSTAINED A FRACTURE OF MY NECK AND STILL HAVE ONGOING PHYSICAL THERAPY TREATMENTS. *TT *TR
NHTSA ODI #11089883
100,000 miles · Feb 11, 2018
Wheels
THE TPMS CONSTANTLY DISPLAYS FALSE WARNING MESSAGES ABOUT THE TIRES BEING LOW ON PRESSURE. THIS BEGAN ABOUT TWO YEARS AGO, WHEN THE CAR WAS 7 YEARS OLD, 100K MILES. NUMEROUS TRIPS TO THE DEALER AND OTHER REPAIR SHOPS HAS NOT ALLEVIATED THE PROBLEM. TPMS CONSTANTLY GIVING A FALSE WARNING ABOUT LOW TIRE PRESSURE IS A SERIO…
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THE TPMS CONSTANTLY DISPLAYS FALSE WARNING MESSAGES ABOUT THE TIRES BEING LOW ON PRESSURE. THIS BEGAN ABOUT TWO YEARS AGO, WHEN THE CAR WAS 7 YEARS OLD, 100K MILES. NUMEROUS TRIPS TO THE DEALER AND OTHER REPAIR SHOPS HAS NOT ALLEVIATED THE PROBLEM. TPMS CONSTANTLY GIVING A FALSE WARNING ABOUT LOW TIRE PRESSURE IS A SERIOUS PROBLEM. MUCH LIKE SMOKE ALARMS WHICH GIVE FALSE NOTICE, FALSE TIRE PRESSURE WARNINGS WILL BE IGNORED. THE VEHICLE IS TYPICALLY IN A MOVING CONDITION WHEN THE TPMS ISSUES A FALSE ALERT.
NHTSA ODI #11072179
38,000 miles · Feb 17, 2017
Fuel/propulsion System
TL* THE CONTACT OWNS A 2009 MERCEDES-BENZ CLK350. WHILE OPERATING THE VEHICLE, THE ODOR OF FUEL WAS PRESENT. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE SEAL CONNECTED TO THE FUEL PUMP WAS FAULTY AND THE FUEL PUMP NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FA…
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TL* THE CONTACT OWNS A 2009 MERCEDES-BENZ CLK350. WHILE OPERATING THE VEHICLE, THE ODOR OF FUEL WAS PRESENT. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE SEAL CONNECTED TO THE FUEL PUMP WAS FAULTY AND THE FUEL PUMP NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 38,000.
NHTSA ODI #10955306
59,590 miles · Dec 26, 2016
Fuel/propulsion System
STRONG FUEL ODOR OUTSIDE OF VEHICLE FOLLOWING FILL UP. MILEAGE 59590.JUST PURCHASED USED WITHOUT EXTENDED WARRANTY.. HAVE NOT TAKEN FOR SERVICE. WILL SEEK INFO PRIOR TO TAKING TO MB SERVICE.
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.
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.
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.
2009 Mercedes Benz CLK350 Problems, Complaints & Recalls | Skip That Year