Consumer Safety Complaints

Search 2,215,138 safety complaints filed by vehicle owners with NHTSA — including 138,663 crashes, 56,255 fires, and 8,561 deaths.

2,215,138 Total Complaints
138,663 Reported Crashes
56,255 Reported Fires
8,561 Reported Deaths

What is a NHTSA consumer complaint?

A consumer complaint is a free-form report filed by a vehicle owner directly to the National Highway Traffic Safety Administration (NHTSA) describing a safety concern about their vehicle. NHTSA collects these reports through its Vehicle Owner Defect Report (VOQ) system and publishes them publicly. Each complaint includes the affected component, the date and circumstances of the incident, whether the failure caused a crash or fire, and any reported injuries or deaths. The owner's full narrative description is included verbatim — NHTSA does not edit or moderate the descriptions.

The database below contains over 2,215,138 individual complaints. NHTSA's investigators monitor it for clusters of similar reports — when enough owners describe the same failure mode on the same vehicle, NHTSA may open a Preliminary Evaluation that can lead to a recall. Many of the largest recalls in U.S. history, including the Takata airbag recall and the Hyundai/Kia engine fire recalls, started as patterns visible in this complaint database years before they became formal recalls.

How to interpret what you read

A few principles for reading consumer complaints usefully:

  • One complaint is anecdote; a hundred similar complaints is data. NHTSA does not investigate the truthfulness of any individual report — that's the job of the Office of Defects Investigation, which looks at the full pattern. When evaluating a vehicle, look for whether multiple owners describe the same chain of events.
  • Crash, fire, injury, and death flags are owner-set. They are not verified by NHTSA. They are still useful as a filter, because owners who tick those boxes are typically reporting more serious incidents than those who don't.
  • Component categories are NHTSA-assigned, not owner-assigned. NHTSA standardizes the component field so that complaints can be aggregated. The owner narrative often goes into more detail than the component category captures.
  • Complaint volume scales with sales volume. A best-selling model will accumulate more raw complaints than a niche model even at the same defect rate. To compare across vehicles, look at complaints per 100,000 units sold, not raw counts.

If you've experienced a defect

File a complaint. NHTSA's investigators rely on this database to detect emerging defects, and useful complaints — specific, concrete, with dates and mileage and clear descriptions of what happened — feed directly into the agency's pattern detection. The form takes about 10 minutes and is at nhtsa.gov/recalls under "Report a Safety Problem." Your complaint becomes part of the same public record that this page is built from. Owners filing detailed VOQs are how recalls get triggered.

Read more from our blog

How to Read NHTSA Consumer Complaints › How NHTSA Investigations Work › Used Car: 7 Recall Checks to Run First › The Takata Airbag Recall: Full Story › OBD-II Codes Explained › All Articles ›
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Showing 33,200 complaints for MERCEDES-BENZ

MERCEDES-BENZ GLE350 (2016) — ELECTRICAL SYSTEM May 13, 2023
Incident date: Nov 8, 2022
Rattling noise when accelerating
Crash 1 injured
MERCEDES-BENZ GLE350 (2016) — ENGINE May 13, 2023
Incident date: Nov 8, 2022
Rattling noise when accelerating
Crash 1 injured
MERCEDES-BENZ C300 (2012) — FORWARD COLLISION AVOIDANCE: WARNINGS May 12, 2023
Incident date: May 1, 2023
I was driving north on 95 in Massachusetts going about 75 mph and the forward collision avoidance went off (flashing break waring in the dashboard) slowing my car down to under 50 mph. There were NO vehicles or obstacles in front of me. This keeps happening and it's only a matter of time until I get rear-ended. I reported this to Honda and they said it's just the safety features.... I had one pers... Read more
MERCEDES-BENZ GLK350 (2010) — ELECTRICAL SYSTEM May 12, 2023
Incident date: Apr 27, 2023
Less than 2 minutes into my drive the car decided to disable lane keep assistance and warnings for no reason. As you can see in the photo linked below the vehicles in the oncoming lane are lagging and look kind of like a ghost car while the rest of the screen is totally fine. Well all I did was switch from the middle lane to the left lane like I do everyday with my indicator on, on my way to McDon... Read more
MERCEDES-BENZ GLK350 (2010) — LANE DEPARTURE: ASSIST May 12, 2023
Incident date: Apr 27, 2023
Less than 2 minutes into my drive the car decided to disable lane keep assistance and warnings for no reason. As you can see in the photo linked below the vehicles in the oncoming lane are lagging and look kind of like a ghost car while the rest of the screen is totally fine. Well all I did was switch from the middle lane to the left lane like I do everyday with my indicator on, on my way to McDon... Read more
MERCEDES-BENZ ML350 (2012) — UNKNOWN OR OTHER May 11, 2023
Incident date: Dec 9, 2022
While driving on the 91 freeway in the Fasttrack lanes, this warning displayed on the dashboard: "Hybrid System Warning! Safely Stop and Do Not Drive." The Fasttrack lanes are on 91 freeway are cordoned off, so there is no way to get out for 10 miles. We had to continue driving, but the car started losing power after 2-3 miles and began stalling. It was an extremely dangerous situation. We were ve... Read more
MERCEDES-BENZ ML350 (2012) — ENGINE May 11, 2023
Incident date: Dec 9, 2022
I brought my car in for a tune up. The day I was driving my car I had the right amount of oil in it. I was driving my car, heard a loud noise and the steering went, the brakes went, nothing worked and than the car shut down and stopped. I brought it to my mechanic, and there was no oil in the car and they went through the whole engine and there was no leaks. Toyota had a recall for engine oil cons... Read more
MERCEDES-BENZ CLA250 (2014) — UNKNOWN OR OTHER May 11, 2023
Incident date: May 11, 2023
As I was driving, the car is on D but it slips into N and I cannot shift to any other gear accept P. This happens randomly and happened three times. I noticed the GLA250 also had this issue. I have to turn off my engine and restart my car to get it running again normally.
MERCEDES-BENZ CLA250 (2014) — ENGINE May 11, 2023
Incident date: May 11, 2023
3 days ago my motorcycle stayed with maximum acceleration where I had to jump off the motorcycle and let it fall to the ground the motorcycle have minor damage on body
Crash
MERCEDES-BENZ CLA250 (2014) — VEHICLE SPEED CONTROL May 11, 2023
Incident date: May 11, 2023
3 days ago my motorcycle stayed with maximum acceleration where I had to jump off the motorcycle and let it fall to the ground the motorcycle have minor damage on body
Crash
MERCEDES-BENZ ML320 (2000) — VEHICLE SPEED CONTROL May 10, 2023
Incident date: May 7, 2023
Anytime I drive down a moderately steep hill, the transmission down shifts to a lower gear and the RPMs go above 5000. It seems to get stuck in this gear for a bit of time. If I speed up, the RPMs get to about 6000 before shifting. Otherwise, I’ll need to slow the vehicle considerably before it will change gears. I contacted the dealership and they told me to bypass it by switching to the manual... Read more
MERCEDES-BENZ C350E (2017) — POWER TRAIN May 10, 2023
Incident date: May 10, 2023
The contact owns a 2021 Ford Bronco Sport. The contact stated that the vehicle was jerking while shifting into gear, while making turns, and while coming to a complete stop. There was no warning light illuminated. Additionally, the contact stated that the vehicle rolled after shifting into park(P). The vehicle was taken to the dealer to be test-driven. The dealer informed the contact that no issue... Read more
MERCEDES-BENZ E320 (2005) — ENGINE May 9, 2023
Incident date: May 7, 2023
After engine was replaced the car dash lights still come on and care looses power. I was just told my 2017 engine block is corroded as well as electrical wires and plugs and everything needs to be replaced at a charge of $5,000.
MERCEDES-BENZ C300 (2017) — AIR BAGS May 9, 2023
Incident date: Mar 7, 2023
Unknown
MERCEDES-BENZ GL550 (2011) — ENGINE May 9, 2023
Incident date: Apr 15, 2023
The contact owns a 2017 Kia Soul. The contact stated that there was a continual clicking sound coming from the front of the vehicle while making a left or right turn. Additionally, while the brake pedal was depressed, there was a clicking sound coming from the engine compartment. Additionally, when the brake pedal was depressed, the oil light illuminated. The contact stated that after the brake pe... Read more
MERCEDES-BENZ AMG C43 (2017) — ENGINE May 9, 2023
Incident date: Apr 18, 2023
The contact owns a 2014 Kia Soul. The contact received notification of the NHTSA Campaign Number: 20V750000 (Engine) however, the contact stated that while driving at an undisclosed speed, she smelled a burning odor then the oil warning light illuminated. The vehicle was taken to a Valvoline Service Center where an oil change was performed; however, the failure recurred. The contact stated that wh... Read more
MERCEDES-BENZ CLA 250 (2018) — POWER TRAIN May 9, 2023
Incident date: Nov 28, 2022
The contact owns a 2010 GMC Terrain. The contact stated that while driving at various speeds, the vehicle stalled without warning. The contact had taken the vehicle to the dealer; however, the mechanic was unable to determine the cause of the failure. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was approximately 160,000.
MERCEDES-BENZ CLA 250 (2018) — SEAT BELTS May 9, 2023
Incident date: Nov 28, 2022
Drivers side seat belt is fraying. starting too tare. I first noticed it 02/21/2023. It probably started before this but I didn't notice it.
MERCEDES-BENZ ML350 (2011) — POWER TRAIN May 9, 2023
Incident date: Mar 6, 2023
Electronic traction control system fails to deliver power correctly when the vehicle is passing over icy ruts. The system incorrectly delivers additional power to wheels that have lost grip causing unpredictable driving behavior, which startles the driver. Even when Snow mode is on, this sytem fails the driver and may risk causing an accident in wintry conditions.
MERCEDES-BENZ CLK350 (2007) — TRACTION CONTROL SYSTEM May 8, 2023
Incident date: Apr 28, 2023
The contact owns a 2014 Chrysler 300. The contact stated while driving 25 MPH, the vehicle made a sudden stop with the traction control warning light and the electrical system warning light was illuminated. The contact turned off the vehicle and attempted to restart the vehicle; however, the vehicle would not restart. The vehicle was towed to an independent mechanic and the mechanic replaced the e... Read more
MERCEDES-BENZ C 300 (2023) — AIR BAGS May 8, 2023
Incident date: Apr 11, 2023
The contact owns a 1999 Isuzu Rodeo. The contact stated that after he started the vehicle, the horn started to sound independently. The contact stated that he had to temporarily remove the fuse for the horn from the steering wheel. No warning lights were illuminated. The vehicle was taken to an independent mechanic where it was diagnosed that the air bag needed to be replaced. The vehicle was not ... Read more
MERCEDES-BENZ GLB 250 (2021) — TRAILER HITCHES May 8, 2023
Incident date: May 4, 2023
The contact owns a 2021 Kia Sportage. The contact received notification of NHTSA Campaign Number: 22V703000 (Trailer Hitches) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. The VIN was not... Read more
MERCEDES-BENZ E350 (2015) — ELECTRICAL SYSTEM May 8, 2023
Incident date: Mar 2, 2023
Electric fire drivers side rear inside, parked in driveway, hadn't been started for 24 hours, no inspection, not sure who to contact, disconnected battery and extinquised fire with water, major melting on inside and paint on outside, lucky we saw what was happening when we did close to fuel tank could have caused explosion
Fire
MERCEDES-BENZ E350 (2015) — STRUCTURE:BODY May 8, 2023
Incident date: Mar 2, 2023
Electric fire drivers side rear inside, parked in driveway, hadn't been started for 24 hours, no inspection, not sure who to contact, disconnected battery and extinquised fire with water, major melting on inside and paint on outside, lucky we saw what was happening when we did close to fuel tank could have caused explosion
Fire
MERCEDES-BENZ C300 (2012) — ELECTRICAL SYSTEM May 8, 2023
Incident date: May 2, 2023
The contact owns a 2022 Ram 3500. The contact received notification of NHTSA Campaign Number: 23V060000 (Electrical System) however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact had not experienced a failure. Part distribution disconnection.
MERCEDES-BENZ C300 (2012) — FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL May 8, 2023
Incident date: May 2, 2023
The contact owns a 2019 Tesla Model S. The contact stated while driving 76 MPH with the adaptive cruise control activated, the vehicle experienced phantom braking and decelerated to 45 MPH. The contact stated that the cruise control function then activated and operated as designed and the vehicle then regained speed and accelerated to the desired speed. The failure occurred twice within 20 miles. ... Read more
MERCEDES-BENZ AMG GLC43 (2021) — STEERING May 8, 2023
Incident date: May 8, 2023
Steering wheel bolt came loose, allowing the steering wheel to wobble. I was able to remove the bolt by hand, that's how loose it was. I repaired it myself using loctite and retorquing the bolt.
MERCEDES-BENZ EQS450+ (2023) — FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING May 8, 2023
Incident date: May 8, 2023
Around 5:48 pm Pacific time today, May 8, 2023, traveling westbound on Sunset Blvd (near the Drummond street intersection), the brakes suddenly engaged hard for a few seconds and then released and continued. Speed was around 35 mph and there were no obstructions around. This is the second incident of phantom braking that has occurred in 2 months. Luckily there was no car behind that could have col... Read more
MERCEDES-BENZ EQS450+ (2023) — ENGINE May 8, 2023
Incident date: May 8, 2023
The Coolant Bypass Valve went bad, and apparently it’s been happening frequently to a lot of peoples Toyotas. Also unsafe because I have to wait for the part, which is on back order, because so many of them are faulty. This need to me recalled!
MERCEDES-BENZ EQS450+ (2023) — ENGINE May 8, 2023
Incident date: May 8, 2023
Another case of Fords failure in manufacturing with its eco boost engine. Failed head gasket and coolant leakage causing engine failure from there know issue.
MERCEDES-BENZ GLC300 (2017) — FORWARD COLLISION AVOIDANCE: WARNINGS May 7, 2023
Incident date: Jan 7, 2023
I was driving on a road with no other cars around at about 40 miles an hour and the collision mitigation system flashed the brake signal a few times and tried to stop very suddenly. I pushed on the gas to fight it and it released the brake.
MERCEDES-BENZ C300 (2015) — BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING May 7, 2023
Incident date: May 5, 2023
* The touch screen went blank. After inspection by Dealer, it was discovered the radio failed causing this event to occur. * Without this component, the turn signals did not work properly, the seat belt warning did not sound, there was no access to rear camera, and rear cross traffic warnings and back-up camera did not work. In addition, access to On Star did not work for any emergency situati... Read more
MERCEDES-BENZ E 350 (2023) — SEAT BELTS May 7, 2023
Incident date: May 4, 2023
driver seat belt does NOT engage, CANNOT FASTEN.
MERCEDES-BENZ GLA 250 (2015) — ENGINE May 6, 2023
Incident date: May 1, 2023
The PCV Valve/crankcase has broken 3 times on this car with different repairs and parts. This is happening very commonly to these cars and may cause significant safety issues. The code is P052E
MERCEDES-BENZ C300 (2016) — AIR BAGS May 6, 2023
Incident date: May 6, 2023
Unknown. I purchased a used 2009 mini cooper in 2013. The airbag light went on for the passenger front side shortly after. I took it to be looked at and was told it would cost around 1,000 to be replaced. I couldn't afford that and felt that since it was never in an accident it must be defective. I contacted Mini cooper via email and phone calls and was told that since there wasn't any recalls, th... Read more
MERCEDES-BENZ SPRINTER 2500 (2020) — VISIBILITY/WIPER May 6, 2023
Incident date: Jul 1, 2021
This morning, I had the software upgrade patch applied to my 2020 Kia Sorento that was supposed to fix the potential theft issue. After that service appointment, I started a 2 hour road trip. We stopped for gas and when we went into the store, I noticed that my car was not sounding the horn when I hit the key FOB twice like normal. I went back to the car and saw that the car was in fact not lock... Read more
MERCEDES-BENZ GLE350 (2016) — POWER TRAIN May 5, 2023
Incident date: Jan 15, 2017
The antifreeze is leaking into the cylinders. My car has been diagnosed as being HYDRO-LOCKED. This happened in March. I took the car to REA Ford in Monticello where it was diagnosed. A claim was submitted to the warranty company who said they are not responsible for the repair because the manufacturer knew of this defect and had a Customer Satisfaction Program 21N12 - Short Block Replacement Afte... Read more
MERCEDES-BENZ C300 (2017) — ELECTRICAL SYSTEM May 5, 2023
Incident date: May 5, 2023
I bought this vehicle and there was a complete break down malfunction due to the ABS module system! This lack of due diligence caused both myself and my 7 year old to unwillingly enter a vehicle that put our lives at risk and a near death experience that still traumatizes my daughter until this day who refuses to enter any vehicle! This is an unfortunate mistake on your end and there is no where ... Read more
2 injured
MERCEDES-BENZ C300 (2015) — POWER TRAIN May 5, 2023
Incident date: Apr 26, 2023
Transmission making a whining noise and delays between shifting.
MERCEDES-BENZ METRIS (2016) — ENGINE May 5, 2023
Incident date: Sep 25, 2022
The engine seized up. The issue may be due to a design problem with all Kia engines. Here's what the service technician at the Kia dealership told me: 1) There is a pin on the cam shaft that keeps it in place; 2) Over time it moves, and gets sheared off; 3) When the pin is sheared off, the cam shaft spins out of time; 4) That causes the valves to slam into the pistons and bends the valves; ... Read more
MERCEDES-BENZ CL550 (2008) — UNKNOWN OR OTHER May 4, 2023
Incident date: Apr 28, 2023
I have had an open recall on my vehicle since August 12, 2022 with no remedy available still as of May 4, 2023. The page says to file a complaint if the manufacturer does not issue a remedy quickly.
MERCEDES-BENZ C 300 (2023) — SERVICE BRAKES May 4, 2023
Incident date: Jan 25, 2023
1st Issue: Antilock brake failure Brand new 2022 Bronco purchased mid Dec with around 2000 miles in February the brakes failed to stop with the pedal to the floor at traffic light and finally all 4 wheels locked up skidding into traffic. Luckily no accident. Repaired took 3 weeks to get the part. 2nd Issue: May 1st Powertrain malfunction at 3000 miles pulled up to a stop sign the engine shut off.... Read more
MERCEDES-BENZ GLC 300 (2018) — STRUCTURE:BODY May 4, 2023
Incident date: May 4, 2023
Unknown Paint started chipping little by little and a big chunk just came off.. I'm concerned became new chips are appearing.
MERCEDES-BENZ GLC 300 (2018) — STEERING May 4, 2023
Incident date: May 4, 2023
I purchased this vehicle for my minor child to have a safe and reliable vehicle to transport herself to and from work. However, there has been a power steering issue with her car for the last year. One day she was driving and just could no longer turn the corner. There was no warning and the light came on only after she turned the car off and then back on. So She pulled to the shoulder and waited ... Read more
MERCEDES-BENZ GLC300 (2017) — FUEL/PROPULSION SYSTEM May 3, 2023
Incident date: Mar 2, 2023
Odometer reading more miles then driven (may have been tampered with altered) There is an electrical issue The computer required to be reprogrammed has not been done yet While driving the vehicle completely stop accelerating in the middle of traffic on the interstate placed my life in danger especially because traffic was moving rapidly the vehicle was jerking horribly also several codes came o... Read more
MERCEDES-BENZ GLC300 (2017) — ENGINE May 3, 2023
Incident date: Mar 2, 2023
The contact owns a 2016 Lincoln MKC. The contact stated that the engine fault message was displayed and there was a misfire in cylinder #4. The vehicle was taken to an independent mechanic who stated that the engine needed to be replaced and recommended he contact the dealer. The vehicle was taken to the local dealer where it was diagnosed that the engine needed to be replaced. The vehicle was rep... Read more
MERCEDES-BENZ GLC300 (2017) — AIR BAGS May 3, 2023
Incident date: Mar 2, 2023
Vehicle was involved in a crash. Vehicle was hit head on by a pick-up truck. The air bags deployed in the pick-up truck due to the severity of the crash/impact, but the air bags in our vehicle failed to deploy. Driver of truck injured at scene but declined treatment. Passenger in our vehicle felt pain an hour after accident and went to ER and diagnosed with blunt force trauma injuries from the... Read more
Crash 2 injured
MERCEDES-BENZ GLC300 (2016) — POWER TRAIN May 3, 2023
Incident date: Dec 3, 2019
I was pulling out into the road, and the Engine cutout, then slowly came back. I did some investigation, and the truck transmission cooler lines had corroded through. Luckily I was not in heavy traffic. There had been no obvious signs of failure. I've owned numerous other vehicles while living in Northeaster NY with no major corrosion failures.
MERCEDES-BENZ C300 (2016) — ENGINE May 3, 2023
Incident date: May 2, 2023
Started Tuesday, April 25, 2023. Went to head out to take kids to school and go to work but wouldn’t accelerate much over 20mph. No indicators came on or anything. I turned around and went back home. Friday, we got a dealership to look at it and they said it was burning oil and smoking a little. Didn’t drive it any where outside of those times. Monday called the dealer that looked at it on Fri... Read more
MERCEDES-BENZ C300 (2016) — ELECTRICAL SYSTEM May 3, 2023
Incident date: Apr 1, 2023
OTHER ELECTRICAL MALFUNCTIONS OCCURING, WINDSHIELD WIPERS WON'T TURN OFF
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