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 C300 (2015) — ENGINE Jan 5, 2023
Incident date: Jan 4, 2023
It cuts out randomly while pressing the gas pedel to get out of the way of traffic and cuts out and stalls ive had it looked at and they say theres no check engine codes and that they cant make it do it. Theres many of people with the same issue online and the dealers wont help them either
MERCEDES-BENZ GLA 250 (2015) — ENGINE Jan 5, 2023
Incident date: Jan 2, 2023
The contact owns a 2015 Mercedes-Benz GLA250. The contact stated while driving at approximately 25 MPH, the vehicle lost motive power and stalled in the middle of the roadway. The contact stated there was an unknown message in RED displayed on the instrument panel. The contact stated that the vehicle restarted after several attempts and operated normally. The contact stated that the failure became... Read more
MERCEDES-BENZ C230 (2003) — VISIBILITY Jan 5, 2023
Incident date: Jan 5, 2023
The contact owns a 2003 Mercedes-Benz C230. The contact received notification of NHTSA Campaign Number: 22V954000 (Visibility) 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 contact h... Read more
MERCEDES-BENZ CLA250 (2016) — UNKNOWN OR OTHER Jan 5, 2023
Incident date: Jan 5, 2023
P052E: Positive Crankcase Ventilation Regulator Valve Performance. It is available for inspection upon request. It was a problem that was confirmed by two independent service centers. It first appeared at around 30k miles, then the engine light disappeared. At around 40k, it starts to intermittently appears and disappears, most of the time the engine light was off, my mechanics checked at it, said... Read more
MERCEDES-BENZ C300 (2017) — ENGINE Jan 4, 2023
Incident date: Dec 1, 2022
Hey good morning. There’s been a been a system failure. P052E Positive Crankcase Ventilation Regulator Valve Performance. Warning message I got was the engine light showed
MERCEDES-BENZ C300 (2017) — ELECTRICAL SYSTEM Jan 4, 2023
Incident date: Dec 1, 2022
Hey good morning. There’s been a been a system failure. P052E Positive Crankcase Ventilation Regulator Valve Performance. Warning message I got was the engine light showed
MERCEDES-BENZ ML320 (2011) — SERVICE BRAKES Jan 4, 2023
Incident date: Dec 20, 2022
Brakes failed without warning. Repair shop removed the covering over brake lines and said they were rusted through. Towed to Mercedes dealership thinking it was part of recall and they said it wasn’t only the brake booster. Said nothing about rusted through brake lines! Someone’s going to get seriously injured driving not knowing their brake lines are rusted through.
MERCEDES-BENZ C300 (2010) — SUSPENSION Jan 4, 2023
Incident date: Nov 7, 2022
The Rear Subframe of the car rotted out, making the car dangerous to drive. This problem has been identified by Mercedes and IS considered a safety hazard in Canada and Europe. This problem should also be covered here in the USA. Unfortunately Mercedes Benz USA will not offer any help here, instead trying to charge customers more than $7,000.00 for the repair. A frame should last the lifetime of... Read more
MERCEDES-BENZ E550 (2011) — SUSPENSION Jan 4, 2023
Incident date: Jan 3, 2023
The vehicle felt like it was all over the road at highway speeds. Took it to a mechanic and the rear subframe had become weakened with premature rust. The mounting point for one of the rear suspension arms had broken off of the subframe and was making contact with my gas tank. I called the dealer to see if there were any recalls. No recalls for this issue however there are a few reports on thi... Read more
MERCEDES-BENZ GLS450 (2021) — ENGINE Jan 4, 2023
Incident date: Jan 22, 2022
Repeated failures of 48 volt battery system has shut vehicle totally off while under highspeed and in traffic
MERCEDES-BENZ GLS450 (2021) — ELECTRICAL SYSTEM Jan 4, 2023
Incident date: Jan 22, 2022
Repeated failures of 48 volt battery system has shut vehicle totally off while under highspeed and in traffic
MERCEDES-BENZ C300 (2012) — SUSPENSION Jan 4, 2023
Incident date: Jan 3, 2023
During planned car service my mechanics discovered that rear subframe is broken and is not safe to drive anymore. After investigation I found that this is a major issue that Mercedes owners have with this particular model. In Europe for this issue has been issued Recall, however in US for some reason Mercedes don't take responsibility. This is a major Safety hazard with possible fatal consequences... Read more
MERCEDES-BENZ C300 (2016) — ENGINE Jan 4, 2023
Incident date: Nov 1, 2022
CEL on, P052e code for crankcase ventilation/PCV failure. Vehicle has about 55k miles. Extremely common failure on these vehicles at this mileage and expensive/complicated to repair. Will not pass state emissions because of this. Given extensive anecdotal evidence of the pervasiveness of this problem, recall should be issue.
MERCEDES-BENZ GLK350 (2010) — FUEL/PROPULSION SYSTEM Jan 3, 2023
Incident date: Jan 3, 2023
Gas leak when filling tank with fuel. Last year I had fuel pump replacement Smells like gas in my garage and I noticed leak This is not good
MERCEDES-BENZ GLK350 (2011) — FUEL/PROPULSION SYSTEM Jan 3, 2023
Incident date: Jan 1, 2023
Fuel/Propulsion System - There is a gas leaking from somewhere above the gas tank. I did not have this fixed yet because I see a recall for this but my VIN wasn't included in the initial recall. There are 17 other complaints on here for the same issue but we haven't been included in the recall as of today 1/2/2023. The recall that fixed other 2011 GLK 350s is NHTSA CAMPAIGN NUMBER: 12V557000 (FUEL... Read more
MERCEDES-BENZ C300 (2015) — ENGINE Jan 3, 2023
Incident date: Oct 1, 2022
Common problem mercedes hasn’t addressed from the factory crankcase breather element at less than 50,000 miles and the smell pf gas that comes in to the cabin is horrible
MERCEDES-BENZ B 250E (2016) — ENGINE Jan 3, 2023
Incident date: Jan 3, 2023
2016 MERCEDES BENZ B250 E. CONSTITUENT STATED THAT THE COOLANT SEEPED INTO THE ENGINE CAUSING ENGINE FAILURE.
MERCEDES-BENZ EQE (2023) — ENGINE AND ENGINE COOLING Jan 3, 2023
Incident date: Jan 2, 2023
The contact owns a 2023 Mercedes Benz EQE. The contact stated that after the vehicle was delivered to his residence the low coolant warning light illuminated. The vehicle was not diagnosed nor repaired by an independent mechanic or dealer. The manufacturer was not made aware of the failure. The failure mileage was 328. The VIN was not available.
MERCEDES-BENZ C250 (2014) — ENGINE Jan 3, 2023
Incident date: Dec 14, 2022
On December 14, 2022 at approximately 3:45 pm in rush hour traffic in the high speed lane on i-75 in Bradenton, Fl, the 2014 Mercedes C250 I was driving lost total engine power, traveling from 80mph to 0 in seconds. I had just enough time because of the momentum of the speed I was traveling at to maneuver the car into the breakdown lane adjacent to a median construction site. Had I been traveling... Read more
MERCEDES-BENZ C300 (2011) — STRUCTURE:BODY Jan 3, 2023
Incident date: Dec 29, 2022
While driving down the highway at approximately 55mph, my car abruptly swerved left nearly causing an accident with the vehicle in the opposite line. My car was taken to my personal mechanic where he found the rear subframe to be completely broken on the left side due to severe rusting. Luckily the break lines were not damaged during the breakage. I investigated this issue online and it seems t... Read more
MERCEDES-BENZ C300 (2011) — UNKNOWN OR OTHER Jan 3, 2023
Incident date: Jan 2, 2023
The control arm is currently freely hanging. The reverse subframe rusted out where the control arm connects to it causing severe swaying when braking.
MERCEDES-BENZ GLK350 (2010) — STRUCTURE:BODY Jan 3, 2023
Incident date: Jan 3, 2023
I had my 2010 Mercedes GLK in for B service today (Jan. 3, 2023), and the repair team inspected the vehicle and informed me that I have a RUST HOLE approximately 1" x 2" in size located adjacent to an attachment point for the wheels in the REAR SUBFRAME. If it breaks, it could cause the vehicle to become difficult to control. Additionally, they informed me that the BRAKE LINES are also RUSTING/... Read more
MERCEDES-BENZ GLK350 (2010) — SERVICE BRAKES Jan 3, 2023
Incident date: Jan 3, 2023
I had my 2010 Mercedes GLK in for B service today (Jan. 3, 2023), and the repair team inspected the vehicle and informed me that I have a RUST HOLE approximately 1" x 2" in size located adjacent to an attachment point for the wheels in the REAR SUBFRAME. If it breaks, it could cause the vehicle to become difficult to control. Additionally, they informed me that the BRAKE LINES are also RUSTING/... Read more
MERCEDES-BENZ C300 (2016) — UNKNOWN OR OTHER Jan 2, 2023
Incident date: Dec 31, 2022
PCV regulator valve
MERCEDES-BENZ E350 (2011) — SUSPENSION Jan 2, 2023
Incident date: Dec 29, 2022
I was on the highway traveling at 70 mph, when I noticed something was not right. I would switch lanes and notice the vehicle swaying in the rear I would also brake, and notice car would sway. I didn’t have any warning signs, and have deemed my vehicle unsafe to drive. Upon further inspection, I noticed that the rear subframe has been compromised with rust, fully detaching the lower control arm ... Read more
MERCEDES-BENZ C300 (2017) — STEERING Jan 1, 2023
Incident date: Dec 31, 2022
I was driving on highway I95, all the sudden, the vehicle shows, Power Steering Malfunctioning See Owner's Manual. I've lost the power steering in the middle of the highway. The steering was so hard and not safe. The next day, I've started the car and the issue isn't there anymore! Now the car is driving fine!!! Please, this need to be fixed, cause it may happen again, and that happens on a sharp ... Read more
MERCEDES-BENZ C300 (2011) — SUSPENSION Dec 31, 2022
Incident date: Dec 30, 2022
I was teaching my 16 year old son how to drive when he got his learners permit . When we got onto the highway a car cut him off and he had to apply a firm steady brake . When breaking the car swerved from the rear into the other lane , nearly striking another vehicle . This also resulted in a loss of control when applying heavy breaking after I had him pull over and I took control of the vehicle... Read more
MERCEDES-BENZ E350 (2012) — SERVICE BRAKES Dec 31, 2022
Incident date: Dec 1, 2022
I have video available that shows significant premature corrosion of the rear subframe and brake line. The safety of others will be put at risk at the time of failure. Failed subframes can lead to loss of control. This problem has been identified and the part inspected by a Mercedes dealership. There are no warning lamps or messages to alert the driver that failure is imminent. This was discovered... Read more
MERCEDES-BENZ E350 (2012) — UNKNOWN OR OTHER Dec 31, 2022
Incident date: Dec 1, 2022
I have video available that shows significant premature corrosion of the rear subframe and brake line. The safety of others will be put at risk at the time of failure. Failed subframes can lead to loss of control. This problem has been identified and the part inspected by a Mercedes dealership. There are no warning lamps or messages to alert the driver that failure is imminent. This was discovered... Read more
MERCEDES-BENZ E350 (2012) — SUSPENSION Dec 31, 2022
Incident date: Dec 1, 2022
I have video available that shows significant premature corrosion of the rear subframe and brake line. The safety of others will be put at risk at the time of failure. Failed subframes can lead to loss of control. This problem has been identified and the part inspected by a Mercedes dealership. There are no warning lamps or messages to alert the driver that failure is imminent. This was discovered... Read more
MERCEDES-BENZ GLC300 (2016) — POWER TRAIN Dec 31, 2022
Incident date: Dec 31, 2022
P052e positive crankcase ventilation regularly valve
MERCEDES-BENZ GLA 250 (2015) — FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING Dec 30, 2022
Incident date: Nov 9, 2022
Had an update on the software to control collision prevention on the car, and soon afterward it began to deploy at certain spots without any other car in front for at least 50 feet. Took it back to the M-B Seattle dealer and after 4 weeks of investigation, I was told that the matter is exterior to the car and that the car performs as intended. T still drive the car and it still gives me warnings o... Read more
MERCEDES-BENZ GLA 250 (2015) — SERVICE BRAKES Dec 30, 2022
Incident date: Nov 9, 2022
Had an update on the software to control collision prevention on the car, and soon afterward it began to deploy at certain spots without any other car in front for at least 50 feet. Took it back to the M-B Seattle dealer and after 4 weeks of investigation, I was told that the matter is exterior to the car and that the car performs as intended. T still drive the car and it still gives me warnings o... Read more
MERCEDES-BENZ ML350 (2009) — ELECTRICAL SYSTEM Dec 30, 2022
Incident date: Dec 29, 2022
The contact owned a 2009 Mercedes-Benz ML350. The contact stated while driving 45-50 MPH with his wife in the front passenger seat and his children in the rear seats, his wife smelled a strong burning odor and saw smoke coming from underneath the front passenger seat. There was no warning light illuminated. The contact immediately veered to the side of the road. Both the contact and his family exi... Read more
Fire
MERCEDES-BENZ S550 (2014) — SUSPENSION Dec 30, 2022
Incident date: Nov 25, 2022
The vehicle dropped at front axle areas on both sides. The next message stated "Vehicle to Low". Vehicle is available for inspection upon request. Could not drive regular speed limit almost got rear ended. Reproduced i am not sure, there is however about 3 manufacturer communications on this issue. There have not been any inspections relating to this issue with insurance. The manufacturer Me... Read more
MERCEDES-BENZ A 220 (2019) — ENGINE Dec 30, 2022
Incident date: Dec 29, 2022
Engine misfiring. The cylinder needs to be replaced which causes the fuel-air mixture not to operate correctly. I see a recall for the issue for the 2019-2020 A class Mercedes but my VIN number does not appear to be associated. Please see the recall below: NHTSA CAMPAIGN ID: 21V961000 Report Date: DEC 12, 2021
MERCEDES-BENZ A 220 (2019) — FUEL/PROPULSION SYSTEM Dec 30, 2022
Incident date: Dec 29, 2022
Engine misfiring. The cylinder needs to be replaced which causes the fuel-air mixture not to operate correctly. I see a recall for the issue for the 2019-2020 A class Mercedes but my VIN number does not appear to be associated. Please see the recall below: NHTSA CAMPAIGN ID: 21V961000 Report Date: DEC 12, 2021
MERCEDES-BENZ GLC 300 (2021) — AIR BAGS Dec 29, 2022
Incident date: Aug 15, 2022
Vehicle will flash warnings on dash the the blind spot assist in inoperative and the front passenger air bag malfunction. The active brake assist is also malfunctioning as the two white cars colliding is on. The dealership as tried to fix this issue 5 times and has tried argue the the active brake assist is functioning normal.
MERCEDES-BENZ GLC 300 (2021) — FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING Dec 29, 2022
Incident date: Aug 15, 2022
Vehicle will flash warnings on dash the the blind spot assist in inoperative and the front passenger air bag malfunction. The active brake assist is also malfunctioning as the two white cars colliding is on. The dealership as tried to fix this issue 5 times and has tried argue the the active brake assist is functioning normal.
MERCEDES-BENZ GLC 300 (2021) — LANE DEPARTURE: BLIND SPOT DETECTION Dec 29, 2022
Incident date: Aug 15, 2022
Vehicle will flash warnings on dash the the blind spot assist in inoperative and the front passenger air bag malfunction. The active brake assist is also malfunctioning as the two white cars colliding is on. The dealership as tried to fix this issue 5 times and has tried argue the the active brake assist is functioning normal.
MERCEDES-BENZ GLC 300 (2018) — ENGINE Dec 29, 2022
Incident date: Dec 26, 2022
Check engine light came on with code P052E : Positive Crankcase Ventilation Regulator Valve Performance.
MERCEDES-BENZ A 220 (2019) — SUSPENSION Dec 29, 2022
Incident date: Dec 17, 2021
The contact owns a 2019 Mercedes-Benz A220. The contact received notification of NHTSA Campaign Number: 21V990000 (Suspension, Steering) 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 manufacturer was made aware of the issue. The contact had not experienced a failure. Parts dist... Read more
MERCEDES-BENZ A 220 (2019) — STEERING Dec 29, 2022
Incident date: Dec 17, 2021
The contact owns a 2019 Mercedes-Benz A220. The contact received notification of NHTSA Campaign Number: 21V990000 (Suspension, Steering) 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 manufacturer was made aware of the issue. The contact had not experienced a failure. Parts dist... Read more
MERCEDES-BENZ GLC300 (2016) — FUEL/PROPULSION SYSTEM Dec 29, 2022
Incident date: Dec 21, 2022
Check Engine light P052E came on while driving. No collision, normal conditions other than first very cold night of the season. Looked it up and seems to be a common issue with this model.
MERCEDES-BENZ GLC300 (2016) — ENGINE Dec 29, 2022
Incident date: Dec 21, 2022
Check Engine light P052E came on while driving. No collision, normal conditions other than first very cold night of the season. Looked it up and seems to be a common issue with this model.
MERCEDES-BENZ C300 (2017) — ENGINE Dec 29, 2022
Incident date: Dec 29, 2022
My car suddenly turned off at a stop sign. After I restarted it, it turned back on and my engine light turned on. I called the dealership and after inspection I was told that the valve for my crankcase was malfunctioning. The total cost, including both parts and labor are $1775. I have seen many complaints regarding this issue with the same vehicle. It is apparent that a recall should’ve been is... Read more
MERCEDES-BENZ GLK350 (2010) — STRUCTURE:BODY Dec 28, 2022
Incident date: Dec 22, 2022
Premature rear subframe corrosion due to design of component, vehicle is available for inspection upon request. If control arm detaches geometry of suspension will change and divert into another lane and cause a crash, the issue was confirmed by an independent service center. The vehicle is due to be inspected by the manufacturer 12-30. No warning of issue as the majority is covered by body panel.
MERCEDES-BENZ C300 (2015) — STRUCTURE:BODY Dec 28, 2022
Incident date: Dec 18, 2022
Glass panoramic sun roof lifted off the vehicle at highway speed, I had to grab the front edge of roof,pull off the expressway. Tried to re seat it in the channels but could not close the roof. Drove 120 miles with roof open holding the front edge down, which continued to try to lift off the vehicle. . My vehicle is Mercedes’ 2015 c300. These vehicles have a recall for this very reason but my vi... Read more
MERCEDES-BENZ C300 (2011) — SUSPENSION Dec 28, 2022
Incident date: Dec 24, 2022
The contact owns a 2011 Mercedes-Benz C300. The contact stated that while driving at an undisclosed speed, the rear driver’s and passenger’s side wheels swayed left to right, and the rear driver’s side wheel detached from the suspension. No warning light was illuminated. The vehicle was taken to a repair shop where it was diagnosed that the rear subframe was rusted and needed to be replaced.... Read more
MERCEDES-BENZ C300 (2011) — STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS Dec 28, 2022
Incident date: Dec 24, 2022
The contact owns a 2011 Mercedes-Benz C300. The contact stated that while driving at an undisclosed speed, the rear driver’s and passenger’s side wheels swayed left to right, and the rear driver’s side wheel detached from the suspension. No warning light was illuminated. The vehicle was taken to a repair shop where it was diagnosed that the rear subframe was rusted and needed to be replaced.... Read more
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