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 AMG GT (2020) — WHEELS Apr 25, 2022
Incident date: Apr 18, 2022
1)The side cover on the driver’s seat covering the seatbelt harness area detaches from the seat. The defect has been shown to the Mercedes dealer, Autohaus on Eden of Northbrook, IL several times. The dealer refuses to fix it. 2) The wheel hubcaps fly off during a normal drive of 30 mph risking injuries to other vehicles. The recall has been issued by NHTSA, but the same dealer refuses to ackn... Read more
MERCEDES-BENZ GLC 300 (2020) — POWER TRAIN Apr 24, 2022
Incident date: Apr 22, 2022
It took a few minutes to be able to completely turn left out of a shopping center while waiting in line. When finally able to turn left, the car stalled into what appeared to be neutral where I had no control to increase speed and was turning very slowly. Oncoming traffic from both ways were coming and luckily stopped on-time. I had to turn off the entire car and restart in the middle of the road ... Read more
MERCEDES-BENZ ML350 (2014) — UNKNOWN OR OTHER Apr 24, 2022
Incident date: Apr 15, 2022
Campaign no. 2012070002 SB-10048279-4718 Same solenoid leaking issue onto wiring harness for my 2014 Mercedes ML350 need this to be initiated because mercedes is at fault for not fixing this issue in 2006-2012 now still issue in 2014.
MERCEDES-BENZ A 220 (2019) — WHEELS Apr 24, 2022
Incident date: Apr 15, 2022
A few weeks ago, I abruptly noticed that my front right tyre pressure was lower than the rest. I went to a gas station and filled air in the tyre and all was good. I drove over 200 miles in 3 days and did not see any significant issues. After this, I didn't drive for about 3 days as I was working for home. Over these 3 days the tyres seemed to have lost pressure again! I got my types checked an... Read more
MERCEDES-BENZ GLE 450 (2021) — ELECTRICAL SYSTEM Apr 23, 2022
Incident date: Apr 20, 2022
2021 MB GLE 450 bought in April 2021, now approximately 8000 miles with two separate events of not starting. Cannot jump. Once 48V battery system updated (3 months ago), required tow to dealer. Now again at dealer with the same issue and recommended for battery change (last time was software update). Very unsafe, happened first time in public garage at night with no start, and second time in t... Read more
MERCEDES-BENZ GLE 450 (2021) — ENGINE Apr 23, 2022
Incident date: Apr 20, 2022
2021 MB GLE 450 bought in April 2021, now approximately 8000 miles with two separate events of not starting. Cannot jump. Once 48V battery system updated (3 months ago), required tow to dealer. Now again at dealer with the same issue and recommended for battery change (last time was software update). Very unsafe, happened first time in public garage at night with no start, and second time in t... Read more
MERCEDES-BENZ GLE 450 (2021) — EXTERIOR LIGHTING Apr 23, 2022
Incident date: Apr 20, 2022
2021 MB GLE 450 bought in April 2021, now approximately 8000 miles with two separate events of not starting. Cannot jump. Once 48V battery system updated (3 months ago), required tow to dealer. Now again at dealer with the same issue and recommended for battery change (last time was software update). Very unsafe, happened first time in public garage at night with no start, and second time in t... Read more
MERCEDES-BENZ E350 (2014) — UNKNOWN OR OTHER Apr 22, 2022
Incident date: Apr 13, 2022
I want to report a structural issue with the Mercedes rear subframe rusting. Three Mercedes dealers told me that it is common but there is no recall. The mechanic told me that if this is not corrected the back wheel will fall off while you are driving. There are no warning lamps. Please help.
MERCEDES-BENZ E350 (2014) — SUSPENSION Apr 22, 2022
Incident date: Apr 13, 2022
I want to report a structural issue with the Mercedes rear subframe rusting. Three Mercedes dealers told me that it is common but there is no recall. The mechanic told me that if this is not corrected the back wheel will fall off while you are driving. There are no warning lamps. Please help.
MERCEDES-BENZ ML350 (2013) — FUEL/PROPULSION SYSTEM Apr 22, 2022
Incident date: Apr 8, 2021
I participated in the Emission Recall Campaign 2020050014. I have a 2013 ML350BlueTec. I have been back to the dealer 10 times to fix my car after the recall was performed. The check engine continues to return in an on (orange light) position after only a few days. On trip 5 my car could not accerlate and lost power. The problem related to the NOX sensors that are being replaced each visit. ... Read more
MERCEDES-BENZ C300 (2013) — SUSPENSION Apr 22, 2022
Incident date: Apr 22, 2022
I have a 2013 Mercedes Benz C 300 sport, and I felt my car shaking if I drive above speed of 35-40. Took it to Mercedes Benz dealership is Rockville center NY, they told me it is my subframe, which cost parts $2496 and labor $3704, Total $6196. Sad part is that my car is in excellent condition and Mercedes refuse from even helping to reduce cost.
MERCEDES-BENZ GLC300 (2016) — UNKNOWN OR OTHER Apr 21, 2022
Incident date: Apr 13, 2022
check engine light comes one and give code: P052E - Positive Crankcase Ventilation Regulator Valve This is a faulty part that commonly breaks down in all Mercedes GLC 300 and C class. It's part of the emissions system and should be covered under the federal warranty. However, Mercedes won't cover it and charges $3000 for the repair. This is unsafe and unfair practice as they're selling vehicles t... Read more
MERCEDES-BENZ ML350 (2014) — STEERING Apr 21, 2022
Incident date: Mar 21, 2022
The contact owns a 2014 Mercedes-Benz ML350. The contact stated while his wife driving 75 MPH, the steering malfunction warning light was illuminated and the steering wheel was difficult to turn at slower speeds. The driver was able to park on the side road for 20 minutes before restarting the vehicle to drive to her destination. The contact called the local dealer and was informed to replace the ... Read more
MERCEDES-BENZ GL450 (2008) — ENGINE Apr 21, 2022
Incident date: Apr 11, 2022
The contact owns a 2008 Mercedes-Benz GL450. The contact stated while driving approximately 10 MPH and approaching a stop light, an unknown "malfunction" warning light illuminated. The contact attempted to veer to the side of the road but noticed that the steering wheel had lost power steering functionality. The contact then forcefully steered the steering wheel and veered into the right turn lane... Read more
MERCEDES-BENZ GLB 250 (2020) — SUSPENSION Apr 21, 2022
Incident date: Apr 4, 2022
The integral carrier that supports the front axle caused it to fail. Front axle carrier failed and resulted in a loss of steering control, and hit the curb. Luckily, there was no crash, although the Manufactured had warned about the risk of a crash. Here is a recall description: NHTSA ID: 21V990000 Issued: Dec 12, 21 Number of Vehicles: 00038312 STEERING Mercedes-Benz USA, LLC. (MBUSA) is recall... Read more
MERCEDES-BENZ GLC300 (2016) — UNKNOWN OR OTHER Apr 20, 2022
Incident date: Apr 19, 2022
At ~40,000 miles my check engine light came on. I took it into the shop for a diagnostic and they informed me that I need to replace the Positive Crankcase ventilation valve/Air Intake Hose. They told me that this is a common issue with this make of Mercedes and that they have done about 4 in just the past few months. Furthermore, they told me that this issue has been fixed on newer models of the ... Read more
MERCEDES-BENZ C300 (2011) — STRUCTURE:BODY Apr 20, 2022
Incident date: Apr 6, 2022
This car was taken to a local Mercedes Benz dealership for repairs. Upon inspection, the dealer ship stated that the rear subframe was rusted on the vehicle and it was not safe to drive. Typically, frames do not rust out in 11 years and 110,000 miles on the car. I called Mercedes Benz to ask about this problem and their customer service representative immediately asked if this was the rear subfram... Read more
MERCEDES-BENZ CL500 (2002) — ELECTRICAL SYSTEM Apr 20, 2022
Incident date: Apr 5, 2022
The Main Information center they notifies you of 99% of what is going on with the car stopped working completely. Can’t tell how Fast the car is moving or the RPM this also included the entire instrument cluster, In addition to that the battery and electric system just quits even Though the connections are tight. The battery Also drains quickly as A Result Even though the alternator works... Read more
MERCEDES-BENZ CL500 (2002) — LANE DEPARTURE: BLIND SPOT DETECTION Apr 20, 2022
Incident date: Apr 5, 2022
The Main Information center they notifies you of 99% of what is going on with the car stopped working completely. Can’t tell how Fast the car is moving or the RPM this also included the entire instrument cluster, In addition to that the battery and electric system just quits even Though the connections are tight. The battery Also drains quickly as A Result Even though the alternator works... Read more
MERCEDES-BENZ CL500 (2002) — FORWARD COLLISION AVOIDANCE: WARNINGS Apr 20, 2022
Incident date: Apr 5, 2022
The Main Information center they notifies you of 99% of what is going on with the car stopped working completely. Can’t tell how Fast the car is moving or the RPM this also included the entire instrument cluster, In addition to that the battery and electric system just quits even Though the connections are tight. The battery Also drains quickly as A Result Even though the alternator works... Read more
MERCEDES-BENZ C300 (2009) — SUSPENSION Apr 20, 2022
Incident date: Apr 1, 2022
My 2009 Mercedes Benz C300 4 Matic sedan fishtails at the rear end when I apply the brakes. I’ve owned the car for 8 years. Prior to this happening, I took it to the Mercedes Benz Dealership Repair shop, it was fully inspected on a hoist and fully gone through from bumper to bumper. May 6, 2021, I have a report and a video of the inspection but nothing was revealed related to the undercarriage ... Read more
MERCEDES-BENZ C300 (2016) — STRUCTURE:BODY Apr 20, 2022
Incident date: Apr 20, 2022
exterior fixed front roof panel cracking and causes potential roadway dangerous situation if pulls off roof while driving
MERCEDES-BENZ SPRINTER 3500 (2020) — FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING Apr 20, 2022
Incident date: Apr 20, 2022
The contact owns a 2020 Mercedes-Benz Sprinter 3500. The contact stated while driving approximately 60 - 80 MPH, the Crosswind Assist feature malfunctioned and was not able to be deactivated, causing the vehicle to abruptly brake and inadvertently turn the steering wheel. The dealer was made aware of the failure; however, the vehicle was not diagnosed nor repaired. The manufacturer was made aware ... Read more
MERCEDES-BENZ C300 (2016) — UNKNOWN OR OTHER Apr 20, 2022
Incident date: Apr 6, 2022
- CRANK CASE VENT VALVE malfunctioned, it was available for inspection upon request with fee - It made oil burning smell - The problem has been confirmed by a dealer and replaced with an expensive fee - Engine check light was on
MERCEDES-BENZ C300 (2016) — ENGINE Apr 20, 2022
Incident date: Apr 6, 2022
- CRANK CASE VENT VALVE malfunctioned, it was available for inspection upon request with fee - It made oil burning smell - The problem has been confirmed by a dealer and replaced with an expensive fee - Engine check light was on
MERCEDES-BENZ C300 (2015) — ELECTRICAL SYSTEM Apr 19, 2022
Incident date: Dec 20, 2021
The dealership garage isla verde in carolina, refuse to service my car. They are the only Mercedes-Benz dealer in Puerto Rico and there is no other dealer that can service the recalls of my car. Currently they don’t want to fix the recall NTHSA# #21V197 Bonding of Panoramic Sunroof Panel - Wave 2 MY. Their service is poor and negligent. They make an appoinment to then cancel it and deny receivi... Read more
MERCEDES-BENZ GLS 450 (2019) — TIRES Apr 19, 2022
Incident date: Apr 19, 2022
The contact owns a 2019 Mercedes-Benz GLS450 equipped with Pirelli Tires, Tire Line: Scorpion Verde, Tire Size: 275/50/R20, DOT Number: UNFJN542. The contact stated that the driver's side front and rear tires were leaking air from the inner sidewall. The driver's side front and rear tires were replaced at a tire dealer but the failure recurred with the passenger's side rear tire and the tread sepa... Read more
MERCEDES-BENZ E350 (2014) — SUSPENSION Apr 19, 2022
Incident date: Apr 19, 2022
Rusted Rear Subframe presenting a safety hazard. Possible separation of suspension link could lead to loss of control. Brought the 2014 Mercedes Benz E350 (85000 miles) in to the local dealership today for spark plug replacement. Technician performed a visual inspection of the underside of the vehicle and found that the rear subframe had rusted completely through making the care unsafe to driv... Read more
MERCEDES-BENZ C300 (2011) — UNKNOWN OR OTHER Apr 19, 2022
Incident date: Apr 19, 2022
I had a thumping sound in the rear of my 2011 Mercedes C300. I took it to our import car repair shop and found out that the rear subframe assembly was rusted out and needed to be replaced. They felt that since it was close to the fuel tank that they didn't feel safe letting me drive it. The car is in excellent shape otherwise and the mechanic said that this is the 2nd one like this that he's re... Read more
MERCEDES-BENZ C300 (2011) — SUSPENSION Apr 18, 2022
Incident date: Apr 16, 2022
Due to design flaw and/or poor material quality, I have a car with less than 100,000 miles that has completely rusted thru the subframe. I was told by a Mercedes Benz dealer that this is a common problem with this car. The cost of repair was quoted at $4000. This was only discovered due to the MB mechanic removing the covers on on the subframe discovering the rust. I was told it would not pass... Read more
MERCEDES-BENZ C300 (2017) — ENGINE Apr 18, 2022
Incident date: Apr 10, 2022
At approximately 26,500 miles of use, the check engine light came on in my Mercedes Benz C300. I brought the vehicle to the dealership and they informed me that the diagnosis was a crankcase vent valve malfunction. The MB fault code is P52E71. After paying Mercedes to fix the issue, I found forums on the internet where many other MB owners reported the same issue at around the same mileage. Bei... Read more
MERCEDES-BENZ C300 (2017) — POWER TRAIN Apr 18, 2022
Incident date: Apr 10, 2022
At approximately 26,500 miles of use, the check engine light came on in my Mercedes Benz C300. I brought the vehicle to the dealership and they informed me that the diagnosis was a crankcase vent valve malfunction. The MB fault code is P52E71. After paying Mercedes to fix the issue, I found forums on the internet where many other MB owners reported the same issue at around the same mileage. Bei... Read more
MERCEDES-BENZ C300 (2017) — FUEL/PROPULSION SYSTEM Apr 18, 2022
Incident date: Apr 10, 2022
At approximately 26,500 miles of use, the check engine light came on in my Mercedes Benz C300. I brought the vehicle to the dealership and they informed me that the diagnosis was a crankcase vent valve malfunction. The MB fault code is P52E71. After paying Mercedes to fix the issue, I found forums on the internet where many other MB owners reported the same issue at around the same mileage. Bei... Read more
MERCEDES-BENZ AMG CLS55 (2006) — FUEL/PROPULSION SYSTEM Apr 16, 2022
Incident date: Apr 15, 2022
Fuel smell inside of cabin
MERCEDES-BENZ GLC 300 (2018) — ENGINE Apr 15, 2022
Incident date: Apr 10, 2022
P052E postive crankcase ventilation regulator valve
MERCEDES-BENZ E350 (2016) — VISIBILITY/WIPER Apr 15, 2022
Incident date: Apr 1, 2019
Windshield separation from body of car causing water intrusion and water damage on headliner and electrical components.
MERCEDES-BENZ C280 (2007) — VISIBILITY:SUN/MOON ROOF ASSEMBLY Apr 15, 2022
Incident date: Apr 5, 2022
The contact owns a 2007 Mercedes-Benz C280. The contact stated while driving approximately 70 MPH, there was a loud sound coming from the vehicle. The contact pulled over safely and noticed that the sunroof had shattered. The vehicle was taken to a local dealer but was not repaired. The manufacturer was notified of the failure; however, no assistance was provided. The approximate failure mileage w... Read more
MERCEDES-BENZ C300 (2017) — UNKNOWN OR OTHER Apr 15, 2022
Incident date: Mar 31, 2022
I’m trying to ship my car back to the United States and there is a valid recall on my car which I have taken it to the dealership in Korea, which is where I’m currently at, and I cannot get me car updated either because they don’t understand the paper or because I don’t have an official recall which I have also encountered in the states. Without this update my car will not be shipped back ... Read more
MERCEDES-BENZ E350 (2012) — STEERING Apr 15, 2022
Incident date: Feb 21, 2022
A few months ago, start up my car to go to work, I had a warning "power steering malfunction". After a little research online about a possible cause, found out a weak battery would affect the power steering so, I went ahead and replace the battery. sure enough, the problem seemed to be resolved but only to comeback and this time is permanent. from reading online, I've realized, it's very common... Read more
MERCEDES-BENZ C300 (2015) — ENGINE Apr 15, 2022
Incident date: Apr 1, 2022
Cylinder #1 losing compression. Onset acute after exiting freeway. Car lost power. Engine warning light turned on. Independent repair shop advised compression problem in Cylinder #1. Dealer then inspected and advised there was compression loss in Cylinder #1. Dealer recommended engine replacement (not repair). The car only has around 46,000 miles and is a 2015 model.
MERCEDES-BENZ SPRINTER 2500 (2020) — UNKNOWN OR OTHER Apr 14, 2022
Incident date: Apr 11, 2022
Cross wind assist if really dangerous. Very little cross wind and it hit the brakes really hard, the van fish tails and slows down so much people will rear end me. Date is last time it happened but it's been doing this since we got this vehicule. Very well know problem across many Sprinter owners. There's currently no way to disable this feature for the driver. Also have an older sprinter without ... Read more
MERCEDES-BENZ SPRINTER 2500 (2020) — FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING Apr 14, 2022
Incident date: Apr 11, 2022
Cross wind assist if really dangerous. Very little cross wind and it hit the brakes really hard, the van fish tails and slows down so much people will rear end me. Date is last time it happened but it's been doing this since we got this vehicule. Very well know problem across many Sprinter owners. There's currently no way to disable this feature for the driver. Also have an older sprinter without ... Read more
MERCEDES-BENZ GLC 350 (2019) — ELECTRICAL SYSTEM Apr 12, 2022
Incident date: Apr 10, 2022
As I drove the car a warning message popped in the screen stating "Malfunction" without any further details. The car kept running, apparently we'll at first. Then after car was turned off and turned on again the car accelerated by itself proving very dangerous. The day after, le message popped up again, but the car began accelerating by it self in more than three occasions, at one point almos... Read more
MERCEDES-BENZ GLC 350 (2019) — ENGINE Apr 12, 2022
Incident date: Apr 10, 2022
As I drove the car a warning message popped in the screen stating "Malfunction" without any further details. The car kept running, apparently we'll at first. Then after car was turned off and turned on again the car accelerated by itself proving very dangerous. The day after, le message popped up again, but the car began accelerating by it self in more than three occasions, at one point almos... Read more
MERCEDES-BENZ GLC 350 (2019) — VEHICLE SPEED CONTROL Apr 12, 2022
Incident date: Apr 10, 2022
As I drove the car a warning message popped in the screen stating "Malfunction" without any further details. The car kept running, apparently we'll at first. Then after car was turned off and turned on again the car accelerated by itself proving very dangerous. The day after, le message popped up again, but the car began accelerating by it self in more than three occasions, at one point almos... Read more
MERCEDES-BENZ E 450 (2022) — FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING Apr 11, 2022
Incident date: Mar 24, 2022
I was driving last week on a Dallas street. The public works people had place a 1 inch this rectangular steel cover over, presumably, a hole. The car slammed on the brakes, with a red light appearing on the instrument panel. Had a car been behind me, it would have read ended me. I spoke with Mercedes. They tell me that Mercedes has no ability to turn off the automatic breaking feature, and I ... Read more
MERCEDES-BENZ CLS550 (2013) — ELECTRICAL SYSTEM Apr 11, 2022
Incident date: Mar 3, 2022
Car looses communication with the Electronic Ignition System (keyless system) and while rolling to a stop light, slams the car into park while still rolling. It also will throw itself into park while first accelerating - almost causing the car following me to crash into my rear end.
MERCEDES-BENZ CLS550 (2013) — POWER TRAIN Apr 11, 2022
Incident date: Mar 3, 2022
Car looses communication with the Electronic Ignition System (keyless system) and while rolling to a stop light, slams the car into park while still rolling. It also will throw itself into park while first accelerating - almost causing the car following me to crash into my rear end.
MERCEDES-BENZ S550 (2015) — STEERING:ELECTRIC POWER ASSIST SYSTEM Apr 11, 2022
Incident date: Mar 6, 2022
The contact owns a 2015 Mercedes-Benz S550. The contact stated while parking the vehicle he noticed that the "power steering malfunction" light was illuminated and the vehicle lost power steering functionality. The contact stated that he waited and then restarted the vehicle and the vehicle regained power steering functionality. The contact had the vehicle towed to an independent mechanic however,... Read more
MERCEDES-BENZ SPRINTER 2500 (2020) — FUEL/PROPULSION SYSTEM Apr 8, 2022
Incident date: Apr 23, 2021
I purchased my van Feb 5, 2021 with 8 miles on it. By April, it was hesitating intermittently at low speeds. It got progressively worse. MB of Athens could not diagnose it in 2 visits in May and June of 2021. By August, the Sprinter service manager at RBM of Atlanta, Charles told me on the phone that he was sure it was the EGR valve and none were available. ETA of a valve was Nov, 2021. The ... Read more
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