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 C 300 (2023) — FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING Jul 17, 2023
Incident date: Jul 16, 2023
Major safety issue - PHANTOM BRAKING. On 2 separate occasions the vehicle engaged emergency braking while there was no apparent hazard. This phantom braking was very dangerous. This car has adaptive cruise control. It occurred in the exact same spot on Interstate-84 and NE 21st Avenue in Portland, Oregon while traveling east bound. The cruise control was on and engaged in incident 1. Cruise contro... Read more
MERCEDES-BENZ C 300 (2023) — VISIBILITY/WIPER Jul 17, 2023
Incident date: Jul 16, 2023
Did not receive recall info from Ford
MERCEDES-BENZ C 300 (2023) — SERVICE BRAKES Jul 17, 2023
Incident date: Jul 16, 2023
Dear Mr; I own a 2011 Toyota Prius, and this week my brakes failed while driving down the highway. The ABS and Break lights and the ESP warning light on the instrument panel come on. The brake pedal is hard and has an intermittent hum in the engine area. The scanner gave the code C1391 / ACC PRESS abnormal leak error. I want to file a formal claim against Toyota for the failure of my car's br... Read more
MERCEDES-BENZ METRIS (2016) — POWER TRAIN Jul 17, 2023
Incident date: Jul 16, 2023
Aisin transmission failed at 9800 miles. Faulty K1 snap ring failed and disabled gears 1-4. This resulted in truck freewheeling down hill on forest service road. No indication or warning of any problem prior to truck producing loud bang and losing forward control. This has been a known defect since late 2022 and Stellanis has not reached out to current owners with any warning or resolutions. ... Read more
MERCEDES-BENZ GLA 250 (2022) — SERVICE BRAKES Jul 17, 2023
Incident date: Jul 17, 2023
Vehicle: 2018 Ram 2500, mileage 35171. Beginning in April 2023 the ABS and Traction control dash lights would intermittently flash while sounding an alarm. The message on the dash states "Service Anti-lock Braking System" and "Service Electronic Braking System." This creates the issue of losing ABS and traction control while disabling cruise control. As time progressed it would become more frequ... Read more
MERCEDES-BENZ GLA 250 (2022) — VEHICLE SPEED CONTROL Jul 17, 2023
Incident date: Jul 17, 2023
Vehicle: 2018 Ram 2500, mileage 35171. Beginning in April 2023 the ABS and Traction control dash lights would intermittently flash while sounding an alarm. The message on the dash states "Service Anti-lock Braking System" and "Service Electronic Braking System." This creates the issue of losing ABS and traction control while disabling cruise control. As time progressed it would become more frequ... Read more
MERCEDES-BENZ GLE 350 (2022) — EXTERIOR LIGHTING Jul 17, 2023
Incident date: Jul 7, 2023
The speedclips which hold the Map Light in place are formed incorrectly. The interior teeth that retain the Map Light's molded retention tabs are bent too aggressively. Over time, in both our 2017 Rogue and 2019 Rogue, road vibrations caused the teeth to gnaw entirely through the plastic. This causes the Map Light to fall down and "deploy" suddenly into the driver's field of vision. When the map ... Read more
MERCEDES-BENZ SPRINTER 2500 (2022) — STEERING Jul 16, 2023
Incident date: Jul 9, 2023
While driving my 2023 Model Y, the electronic power steering suddenly stopped working. Luckily there wasn’t a vehicle behind me, which avoided any accident. I had to use immense manual power on the steering to make the vehicle move to the side. Upon resetting, the steering was back to normal again. However, this seems to be a serious safety hazard and I cannot fathom the fact if it had happened ... Read more
MERCEDES-BENZ SPRINTER 2500 (2022) — AIR BAGS Jul 16, 2023
Incident date: Jul 9, 2023
Warning light on air bags stays lit will not go out according the other trucks of the same year and make where I worked this light does this on most of them it has been on for over a year
MERCEDES-BENZ C300 (2012) — POWER TRAIN Jul 16, 2023
Incident date: Jul 12, 2023
Was driving along and received a “Propulsion Power Reduced” warning on dash and couldn’t go over 30mph while on a highway. Had to limp along on the shoulder. Pushed the OnStar button and they ran a diagnostic test which came back with P2797.
MERCEDES-BENZ C300 (2013) — ELECTRICAL SYSTEM Jul 16, 2023
Incident date: Jun 9, 2023
My vehicle stalled abruptly as I came to a stop while driving on a slope. Shortly afterward I determined that this was caused by a loose battery terminal; the battery had been replaced a day earlier. This much was the fault of the mechanic, not the manufacturer. My complaint is with respect to the state which the vehicle failed into: 1. The gear shift was stuck in drive and could not be moved int... Read more
MERCEDES-BENZ C300 (2013) — STRUCTURE:BODY Jul 16, 2023
Incident date: Jun 9, 2023
The driver's side door stopped latching today. Obviously, driving a car with a door that does not latch is a serious issue!
MERCEDES-BENZ R350 (2007) — BACK OVER PREVENTION: WARNINGS Jul 15, 2023
Incident date: Jul 1, 2023
Pressed down on braked and nothing happened. Pressed down on emergency break to aid in stopping. No warning lights or sounds
Crash 2 injured
MERCEDES-BENZ R350 (2007) — POWER TRAIN Jul 15, 2023
Incident date: Jul 1, 2023
Ecoboost issues Turbo issues
MERCEDES-BENZ R350 (2007) — ENGINE Jul 15, 2023
Incident date: Jul 1, 2023
So it appears to be fine until about 30/45 mins drive time Then it starts shifting/slamming real hard and hesitates to shift in the next gear To the point where stopping and going isn’t an option or it slips After about 45 mins all the prnds lights turned on and did the same in manual mode.. I read someone it’s a valve body that leads to a faulty Tranny I’ve read almost 150 of the same exact... Read more
MERCEDES-BENZ C300 (2017) — SEATS Jul 15, 2023
Incident date: Jul 14, 2023
The active head restraint deployed on it's own. I was stopped at a light and the headrest slammed into the back of my head. I was alone in the vehicle, and nothing struck the seat or my vehicle. Upon inspection, the plastic clips that hold the metal bar in place have broken. It caused a headache and neck pain, as it jarred me unexpectedly. This affected my safety, and had I been moving at the time... Read more
1 injured
MERCEDES-BENZ C300 (2015) — AIR BAGS Jul 14, 2023
Incident date: Jul 14, 2023
Takata recall. The contact owns a 2007 Chevrolet Tahoe. The contact received notification of NHTSA Campaign Number: 21V050000 (Air Bags) 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 dealer was made aware of the issue. The manufacturer was not made aware of the issue. The... Read more
MERCEDES-BENZ CLS550 (2006) — VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW Jul 14, 2023
Incident date: Jul 14, 2023
UNKNOWN - The Rear back window explored while driving on July 14, 2023. The window will be fix at Safelite Autoglass Service Work Order # 01805-705693 on 07-19-23 2100 E. Walton Blvd, Auburn Hills Mi. 48326 Phone No. 877-664-8932 Cost $640.56
MERCEDES-BENZ GLE350 (2017) — ENGINE Jul 14, 2023
Incident date: Jul 11, 2023
2020 Toyota Rav4, just around 25K miles, took to dealership to get regular maintenance service, (oil change, tire rotation). After a couple days, "engine maintenance required" message pops up. Plugged in code reader and brings up code "P268115" for "Engine Coolant Bypass Valve Circuit Short to Battery or Open". This issue is popping up for many recent year Toyota models (Rav4, Camry, Corolla) and ... Read more
MERCEDES-BENZ C300 (2017) — ELECTRICAL SYSTEM Jul 14, 2023
Incident date: Jul 10, 2023
2020 Toyota Rav4, just around 25K miles, took to dealership to get regular maintenance service, (oil change, tire rotation). After a couple days, "engine maintenance required" message pops up. Plugged in code reader and brings up code "P268115" for "Engine Coolant Bypass Valve Circuit Short to Battery or Open". This issue is popping up for many recent year Toyota models (Rav4, Camry, Corolla) and ... Read more
MERCEDES-BENZ GLC300 (2017) — SERVICE BRAKES Jul 13, 2023
Incident date: Jul 7, 2023
The adaptive cruise control malfunctioned while engaged on the highway/interstate. On a recent trip of approx. 1,000 miles, the vehicle experienced "phantom braking" (aggressive emergency braking for no reason) on three occasions while the adaptive cruise control was engaged on the highway/interstate at approx. 65-75 mph, with no obstruction/vehicle in front and the weather was clear sunny skies. ... Read more
MERCEDES-BENZ C320 (2003) — POWER TRAIN Jul 13, 2023
Incident date: Jul 12, 2023
The contact owns a 2011 Ford F-150. The contact stated while driving 40 MPH, the contact heard an abnormal sound coming from the vehicle. The vehicle inadvertently downshifted and the check engine warning light illuminated. The contact was able to pull over on the side of the road and shut off the vehicle. The contact restarted the vehicle and the vehicle operated normally. The dealer was contacte... Read more
MERCEDES-BENZ E350 (2016) — WHEELS Jul 13, 2023
Incident date: Apr 26, 2023
The lug nuts on the wheels swell nd tcannot be removed. This, in turn, causes an extreme danger when trying to change a flat tire on the side of the road.
MERCEDES-BENZ SPRINTER 2500 (2020) — ENGINE Jul 13, 2023
Incident date: Jul 13, 2023
So here goes my story back in may I bought Tesla model 3 2022 46k from hertz clean title however, in the history, it showed a prior accident Long story short one day I was charging at Tesla supercharger I drive home the car did update and after that it wouldn’t charge or going in to drive so of course the car has warranty. I sent it to Tesla service first time. Coral cables The response was oh ... Read more
MERCEDES-BENZ SPRINTER 2500 (2020) — ELECTRICAL SYSTEM Jul 13, 2023
Incident date: Jul 13, 2023
So here goes my story back in may I bought Tesla model 3 2022 46k from hertz clean title however, in the history, it showed a prior accident Long story short one day I was charging at Tesla supercharger I drive home the car did update and after that it wouldn’t charge or going in to drive so of course the car has warranty. I sent it to Tesla service first time. Coral cables The response was oh ... Read more
MERCEDES-BENZ SPRINTER 2500 (2020) — STEERING Jul 11, 2023
Incident date: Jul 4, 2023
The slip indicator light and alarm comes on sporadically, engaging the ABS suddenly and unexpectedly, when we are on completely dry roads. Happens while driving 40-80 mph. And doesn’t matter if I’m going straight or turning.
MERCEDES-BENZ SPRINTER 2500 (2020) — SUSPENSION Jul 11, 2023
Incident date: Jul 4, 2023
The slip indicator light and alarm comes on sporadically, engaging the ABS suddenly and unexpectedly, when we are on completely dry roads. Happens while driving 40-80 mph. And doesn’t matter if I’m going straight or turning.
MERCEDES-BENZ AMG EQS (2023) — ELECTRICAL SYSTEM Jul 11, 2023
Incident date: Dec 11, 2022
My sensors cause the car to break in the middle of traffic. Almost causing accidents for the people behind me. This has happened 3x in the last month.
MERCEDES-BENZ C300 (2016) — SERVICE BRAKES Jul 11, 2023
Incident date: Jul 4, 2023
Repeated failure of the ABS system. Warning lights multiple times per drive. Dealer states replace HCU. Parts unavailable for over 8 months now. Dealer states known problem. Cost estimate over $1100, not covered even though known problem.
MERCEDES-BENZ E350 (2011) — ELECTRICAL SYSTEM Jul 11, 2023
Incident date: Jul 1, 2023
On May 4, 2023, immediately upon starting the car, warning lights were illuminated: Blind Spot Alert Unavailable - Service Required; Stop/Start Unavailable Service Stop/Start System; Service Electronic Stability Control; Oil Change Required; Service Power Steering; Check Engine Light. Vehicle had no power steering. It was taken to the dealership several hours later, and at that time no warning ... Read more
MERCEDES-BENZ CLA 250 (2018) — FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS Jul 10, 2023
Incident date: Jul 1, 2022
The contact owns a 2018 Mercedes-Benz CLA250. The contact stated that coolant was leaking from the engine with the check engine warning light illuminated. The vehicle was taken to an independent mechanic where the mechanic replaced the coolant reservoir cap. Several months later, the warning light re-appeared, and the contact topped off the coolant level and the warning light disappeared. Recently... Read more
MERCEDES-BENZ CLA 250 (2018) — STRUCTURE:BODY Jul 10, 2023
Incident date: Jul 1, 2022
SUNROOF TRIM SEAL LOOSE, The rubber seal/trim catching under the sunroof glass.
MERCEDES-BENZ CLA 250 (2018) — UNKNOWN OR OTHER Jul 10, 2023
Incident date: Jul 1, 2022
SUNROOF TRIM SEAL LOOSE, The rubber seal/trim catching under the sunroof glass.
MERCEDES-BENZ C350 (2009) — ENGINE Jul 10, 2023
Incident date: Jun 13, 2023
Total shutdown of complete system…brakes, steering and engine at around 25-to 30 MPH. No warning. Happened two times…once before M-B service and once after service for problem. It checked out OK from dealership months before only to have it happen again. Was lucky to avoid a crash both times. Sold to dealership. Wrote my safety concerns for a new owner to local dealership and corporate.
MERCEDES-BENZ C350 (2009) — AIR BAGS Jul 10, 2023
Incident date: Jun 13, 2023
Takata recall. The contact owns a 2017 Chevrolet Traverse. The contact received notification of NHTSA Campaign Number: 23V334000 (Air Bags) however, the part to do the recall repair was not yet available. The local dealer was contacted. 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 ... Read more
MERCEDES-BENZ C350 (2009) — SERVICE BRAKES, HYDRAULIC Jul 10, 2023
Incident date: Jun 13, 2023
The contact owns a 2013 Hyundai Sonata Hybrid. The contact stated while driving at an undisclosed speed, the vehicle hesitated. There was no warning light illuminated. The vehicle was taken to an Auto Zone where it was placed on a diagnostic machine and produced an undisclosed code indicating that the HECU was faulty. The vehicle was then taken to the dealer where it was then determined that the H... Read more
MERCEDES-BENZ AMG GLE43 (2018) — POWER TRAIN Jul 10, 2023
Incident date: Jul 7, 2023
I was at a corner waiting for traffic to clear so I could make a turn left. When I started to accelerate the vehicle started to hesitate and continued. The on coming car had to slam on their brakes and swerve to avoid hitting my passenger side. Since that time I had found out there was a service bulletin relating to this problem. Honda Service Bulletin 17-040. This is my granddaughters car and... Read more
MERCEDES-BENZ E350 (2010) — POWER TRAIN Jul 10, 2023
Incident date: Jul 10, 2023
Coolant leak, Engine failure, available for inspection. Car could have caught fire, engine no longer able to perform. Confirmed by dealership. Inspected by mechanical garage and Ford dealership. First part of June 2023 check engine light came on, taken to garage for reading noticed coolant low. Garage replaced ignition coil. Engine light again came on took back to garage replaced spark plug. Engi... Read more
MERCEDES-BENZ E350 (2010) — POWER TRAIN Jul 10, 2023
Incident date: Jul 10, 2023
The component that failed according to the Chevrolet dealer is the "transfer case pump clips", which came loose inside the transfer case and wore a hole through the case causing the oil to come out. If I would not have noticed the oil on the back of my truck, I could have continued to drive the truck, which could have caused the transfer case gears to lock up the front and rear axles while drivin... Read more
MERCEDES-BENZ E350 (2013) — ENGINE AND ENGINE COOLING Jul 10, 2023
Incident date: Jul 20, 2022
The contact owns a 2008 Honda Civic. The contact stated while driving 30 MPH, there was smoke coming from underneath the hood, and the vehicle was overheating. There was no warning light illuminated. The contact pulled into a gas station, where her son added coolant to the vehicle. The contact was able to drive to her destination. Additionally, the contact stated that upon parking the vehicle, she... Read more
MERCEDES-BENZ SPRINTER (VS30) (2020) — SERVICE BRAKES Jul 10, 2023
Incident date: Sep 16, 2022
The rear brake (passage side) had very uneven wearing. It is the outside pad only. It is a potential safety issue. It was discovered when performing brake inspection by myself. There was no warning except some grinding noise.
MERCEDES-BENZ SPRINTER (VS30) (2020) — SERVICE BRAKES Jul 10, 2023
Incident date: Sep 16, 2022
My car's emergency brake failed to work and my car's rear slid downhill into a 90 degree angle. The front passenger bumper of my car hit the front driver bumper of the car parked behind me. This happened while I was parallel parking in front of my home, which is on right side of a street with an uphill incline. I turned my car's front wheels away from the curb, which is why my car's rear spun into... Read more
1 injured
MERCEDES-BENZ GLE 350 (2020) — FUEL/PROPULSION SYSTEM Jul 10, 2023
Incident date: Jul 10, 2023
The rear O2 sensor failed on my 2017 Nissan Altimas with only 29,900 miles on it and it cost me almost $400.00 to replace it.This is a part that should easily last for 150,000 miles. The failure of this part affects public safety by causing abnormally high emissions if not replaced. This failed component is identical to the recall issued in 2022 which covers the rear O2 sensor for 2013 - 2016 Niss... Read more
MERCEDES-BENZ C 300 (2019) — UNKNOWN OR OTHER Jul 10, 2023
Incident date: May 26, 2023
Upon shutting off the ignition, my car tells me to "shift to park" each time and it is already in park. Takes several minutes for it to finally register that is already in park.
MERCEDES-BENZ GLC 300 (2018) — POWER TRAIN Jul 10, 2023
Incident date: Jul 10, 2023
From a stop, accelerating has occasionally caused transmission to shudder, limiting power and ability to follow traffic until transmission reengages and power is restored. This creates an unnatural traffic pattern and puts myself at risk. After much research it appears the problem is with the transmission and torque converter. The engine may produce more torque than the transmission can handle. Pr... Read more
MERCEDES-BENZ C300 (2015) — SERVICE BRAKES Jul 10, 2023
Incident date: Sep 15, 2021
“Service trailer brake system” this message randomly appears with no trailer connected at all, i recently bought a brand new trailer and im scared to tow it since there is no current fix for this error message on the display, it comes on randomly and will not stop popping up and dinging it is a huge distraction as it repeatedly does it over and over, also when it does this you lose trailer bra... Read more
MERCEDES-BENZ C300 (2016) — STEERING Jul 9, 2023
Incident date: Feb 14, 2023
The small plastic located inside the sliding panoramic sunroof explode and the Panasonic sunroof can be open/close or up/down normally but when I hit close it will stop where the broken pieces was and the roof will automatically move back to the fully open position Dealer said need the rail replaced -2057800175 -2057800275 Motor is broken, need to be replaced , he said after saying the roof can go... Read more
1 injured
MERCEDES-BENZ C300 (2016) — SERVICE BRAKES Jul 9, 2023
Incident date: Feb 14, 2023
I have a 2018 Ram 2500 I has second abs module failure and dealer still has failed to get my truck fix. the abs failure been failed back in 12/25/2022. with abs failure cruise control is lost also.
MERCEDES-BENZ C300 (2016) — VEHICLE SPEED CONTROL Jul 9, 2023
Incident date: Feb 14, 2023
I have a 2018 Ram 2500 I has second abs module failure and dealer still has failed to get my truck fix. the abs failure been failed back in 12/25/2022. with abs failure cruise control is lost also.
MERCEDES-BENZ ML350 (2006) — UNKNOWN OR OTHER Jul 8, 2023
Incident date: Jul 8, 2023
The starter motor housing bottom ear bracket that holds the bolt to the transmission has broken off on 3 different starters in the same exact spot on all 3.
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