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 ML350 (2014) — ENGINE May 31, 2022
Incident date: May 1, 2022
The oil fuel line is leaking on the engine this is currently a recall on my year and model suv
MERCEDES-BENZ ML350 (2014) — FUEL/PROPULSION SYSTEM May 31, 2022
Incident date: May 1, 2022
The oil fuel line is leaking on the engine this is currently a recall on my year and model suv
MERCEDES-BENZ C300 (2010) — FUEL/PROPULSION SYSTEM May 31, 2022
Incident date: Jul 22, 2021
Filled up gas and strong gas smell can be smelt throughout the car and Check engine light came on, took car to auto zone for report. Stated emissions code was listed. Was told to replace gas cap and code should clear. Replaced gas cap, still had code. Took car to shop and was told this model has this issue with this specific year and newer, and the problem could be one of 3 things. Replace gas cap... Read more
MERCEDES-BENZ C300 (2014) — ELECTRICAL SYSTEM May 30, 2022
Incident date: May 30, 2022
Parked the car, did something, came back and car did not start. Key in, no crank, no start, no steering. No lights on the dash, no gear shifting, can’t roll the windows up. All out of nowhere. Think it’s a problem with the Electronic Steering Lock.
MERCEDES-BENZ C300 (2014) — STEERING May 30, 2022
Incident date: May 30, 2022
Parked the car, did something, came back and car did not start. Key in, no crank, no start, no steering. No lights on the dash, no gear shifting, can’t roll the windows up. All out of nowhere. Think it’s a problem with the Electronic Steering Lock.
MERCEDES-BENZ C300 (2014) — ENGINE May 30, 2022
Incident date: May 30, 2022
Parked the car, did something, came back and car did not start. Key in, no crank, no start, no steering. No lights on the dash, no gear shifting, can’t roll the windows up. All out of nowhere. Think it’s a problem with the Electronic Steering Lock.
MERCEDES-BENZ GLC 300 (2021) — STRUCTURE:BODY May 30, 2022
Incident date: May 27, 2022
Sunroof glass panel exploded outward. Fabric retractable interior sunroof liner did contain all of the fragmented safety glass. No prior impact on or to the sunroof. If the interior fabric sunroof liner had been retracted, the interior of the vehicle would have been showered with the glass shards impacting the driver and all passengers. There was no warning. A loud sound similar to gunshot occurre... Read more
MERCEDES-BENZ GLC 300 (2021) — VISIBILITY/WIPER May 30, 2022
Incident date: May 27, 2022
Sunroof glass panel exploded outward. Fabric retractable interior sunroof liner did contain all of the fragmented safety glass. No prior impact on or to the sunroof. If the interior fabric sunroof liner had been retracted, the interior of the vehicle would have been showered with the glass shards impacting the driver and all passengers. There was no warning. A loud sound similar to gunshot occurre... Read more
MERCEDES-BENZ GL450 (2007) — SERVICE BRAKES May 30, 2022
Incident date: May 9, 2022
In the past several weeks, whenever I press on the brake pedal firmly at a stoplight or even on the highway, the "low brake light" alarm on the vehicle turns on. I went and checked the brake fluid level, but it is normal. It also seems to take longer to brake the car than before. I'm not sure if it is related to the recent recall or not.
MERCEDES-BENZ E350 (2010) — UNKNOWN OR OTHER May 29, 2022
Incident date: May 23, 2022
I WAS DOING ROUTINE MAINTANCE WHEN I NOTICED MY REAR LEFT TIE ROD THAT CONNECTS TO MY LEFT WHEEL WAS CRACKED BY THE REAR SUB FRAME WHICH LED TO A SAFETY ISSUE CONTACTED MY INSURANCE COMPANY AND CAR WAS TOWED TO THE MECHANIC SHOP FOR INSJRANCE INSPECTION
MERCEDES-BENZ C300 (2010) — ELECTRICAL SYSTEM May 29, 2022
Incident date: Apr 18, 2022
My husband drove my car home from work on April 18th 2022 and it was a bad rain storm that everyone. He had to drive through a couple of big rain storms. Soon afterwards he got around the corner from the house and the electric system failed lights started going off everywhere in the car, he lost steering and couldn’t see and almost crashed and got the car home safely but it wouldn’t shut off s... Read more
MERCEDES-BENZ C300 (2010) — EXTERIOR LIGHTING May 29, 2022
Incident date: Apr 18, 2022
My husband drove my car home from work on April 18th 2022 and it was a bad rain storm that everyone. He had to drive through a couple of big rain storms. Soon afterwards he got around the corner from the house and the electric system failed lights started going off everywhere in the car, he lost steering and couldn’t see and almost crashed and got the car home safely but it wouldn’t shut off s... Read more
MERCEDES-BENZ C300 (2010) — SUSPENSION May 29, 2022
Incident date: Apr 18, 2022
My husband drove my car home from work on April 18th 2022 and it was a bad rain storm that everyone. He had to drive through a couple of big rain storms. Soon afterwards he got around the corner from the house and the electric system failed lights started going off everywhere in the car, he lost steering and couldn’t see and almost crashed and got the car home safely but it wouldn’t shut off s... Read more
MERCEDES-BENZ GLC 300 (2018) — SEAT BELTS May 29, 2022
Incident date: May 28, 2022
Back seat passenger seatbelt will occasionally not latch.
MERCEDES-BENZ SPRINTER 2500 (2020) — VISIBILITY/WIPER May 28, 2022
Incident date: May 27, 2020
Component that malfunctions: drivers (left) side fixed mirror, It is available for inspection upon request. Vehicle owner's safety and the safety of others is put at risk because the mirror image is distorted due to rattling/vibration: there is a noise produced as well when the vibration begins, distortion ensues immediately thereafter. The problem has been reproduced and confirmed by a Mercedes B... Read more
MERCEDES-BENZ GLA 250 (2019) — AIR BAGS May 28, 2022
Incident date: Dec 4, 2021
On December 4th 2021, while driving my airbags deployed without warning or notice. On a normal day at this time I would be traveling on the highway. The impact of the airport was so intense it stunned me and I thought another vehicle made impact. The chemicals of the airbag got al over my clothes, skin, and the interior. The steering column was sent to Germany for review and it was determined it ... Read more
1 injured
MERCEDES-BENZ GLE 450 (2022) — SERVICE BRAKES May 27, 2022
Incident date: May 27, 2022
The contact owns a 2022 Mercedes-Benz GLE450. The contact stated while driving approximately 25 MPH, the vehicle independently stopped without driver input. The contact stated that the seat belt locked the two rear passengers in securely. Several unknown warning lights flashed quickly and then disappeared. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure.... Read more
MERCEDES-BENZ GLE 450 (2022) — ENGINE May 27, 2022
Incident date: May 27, 2022
The contact owns a 2022 Mercedes-Benz GLE450. The contact stated while driving approximately 25 MPH, the vehicle independently stopped without driver input. The contact stated that the seat belt locked the two rear passengers in securely. Several unknown warning lights flashed quickly and then disappeared. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure.... Read more
MERCEDES-BENZ AMG E43 (2018) — POWER TRAIN May 27, 2022
Incident date: Dec 1, 2018
For several years, the vehicle has had issues when shifting from drive to reverse or reverse to drive. I took to the dealer for repair and they claimed it was fixed. Because it is an intermittent issue, it was difficult to pinpoint when and if the issue would happen again. The vehicle is available for inspection and has been taken back to the dealer. On several occasions, since the car would n... Read more
MERCEDES-BENZ ML350 (2015) — SEAT BELTS May 27, 2022
Incident date: May 22, 2022
The contact owns a 2015 Mercedes-Benz ML350. The contact stated that while the vehicle was parked and attempting to seat the child in the car seat, he noticed that the seat belt was loose. The contact checked the car seat and pushed the seat to one side and the seat belt unwound and retracted to the normal position. The contact had taken the vehicle to a local dealer who diagnosed that the seat be... Read more
MERCEDES-BENZ C250 (2013) — AIR BAGS May 27, 2022
Incident date: May 7, 2022
The contact owns a 2013 Mercedes-Benz C250. The contact stated while driving approximately 5 MPH, the driver’s side air bags were inadvertently deployed. There was no warning light illuminated. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure; however, no assistance was provided. The approximate failure mileage was 79,000.
MERCEDES-BENZ GLK350 (2010) — FUEL/PROPULSION SYSTEM May 27, 2022
Incident date: May 26, 2022
When my child was riding in the same car with me, my car suddenly died due to all fuel leaked out. Our car ran out of gas because all fuel were leaked. We can smell gas inside the cabin. Initially I thought car died because we ran out of the gas. After receiving 2 gallon gasoline from the tow truck, we saw dripping gasoline from the bottom of the car when the car engine is on. I am glad it did n... Read more
MERCEDES-BENZ GLC300 (2016) — POWER TRAIN May 27, 2022
Incident date: May 26, 2022
I was unable to put the car in the drive after pulling out parking spaces or any other instance where the car needed to move. When attempting to put in drive, the car would revert to neutral and drift. Leaving me stuck in the middle of the road or parking lots. Check engine light came on briefly after the car wouldn't go in to drive but disappeared. Took it in to dealer immediately and they indica... Read more
MERCEDES-BENZ AMG C43 (2017) — STRUCTURE May 26, 2022
Incident date: May 9, 2022
The contact owns a 2017 Mercedes-Benz C43 AMG. The vehicle had previously been serviced under NHTSA Campaign Number: 21V197000 (Structure). The contact stated while driving 60 MPH, the sunroof glass was rattling. The contact pulled off the exit to check the sunroof. The vehicle was not diagnosed nor repaired by an independent mechanic or dealer. The manufacturer was made aware of the failure, and ... Read more
MERCEDES-BENZ E350 (2014) — SUSPENSION May 25, 2022
Incident date: May 23, 2022
During state inspection (Pennsylvania) I was told that the rear subframe was rusted. If this part failed the vehicle could become uncontrollable and crash. They are not able to repair this since so many other vehicles have this problem. They have no idea when they could get a replacement subframe. The car is 8 years old but very low mileage (~34,000). Do to the frequent occurrence of this prob... Read more
MERCEDES-BENZ SPRINTER 3500 (2018) — ENGINE May 25, 2022
Incident date: Apr 25, 2022
The contact owns a 2018 Mercedes-Benz Sprinter 3500. The contact stated that while driving at low speeds, there was an abnormal sulfur odor coming from the engine. There was no warning light illuminated. As the odor persisted, the contact’s eyes started burning and the contact also started having a headache. The contact inspected the vehicle and discovered that acid had leaked from the battery d... Read more
MERCEDES-BENZ SPRINTER 3500 (2018) — ELECTRICAL SYSTEM May 25, 2022
Incident date: Apr 25, 2022
The contact owns a 2018 Mercedes-Benz Sprinter 3500. The contact stated that while driving at low speeds, there was an abnormal sulfur odor coming from the engine. There was no warning light illuminated. As the odor persisted, the contact’s eyes started burning and the contact also started having a headache. The contact inspected the vehicle and discovered that acid had leaked from the battery d... Read more
MERCEDES-BENZ SPRINTER 3500 (2018) — ELECTRICAL SYSTEM:12V/24V/48V BATTERY May 25, 2022
Incident date: Apr 25, 2022
The contact owns a 2018 Mercedes-Benz Sprinter 3500. The contact stated that while driving at low speeds, there was an abnormal sulfur odor coming from the engine. There was no warning light illuminated. As the odor persisted, the contact’s eyes started burning and the contact also started having a headache. The contact inspected the vehicle and discovered that acid had leaked from the battery d... Read more
MERCEDES-BENZ ML350 (2011) — SERVICE BRAKES, HYDRAULIC May 25, 2022
Incident date: Jan 16, 2022
The contact owns a 2011 Mercedes-Benz ML350. The contact stated while driving approximately 25 MPH and approaching a stop sign, the brake pedal was depressed; however, the vehicle failed to respond as needed. There brake warning light was illuminated. The vehicle was driven to a local mechanic who diagnosed that the failure was caused by a corroded brake booster. The vehicle was repaired. The manu... Read more
MERCEDES-BENZ C300 (2016) — ENGINE May 25, 2022
Incident date: May 2, 2022
Failure in the performance of the Crankcase Ventilation Regulator valve, research online indicates this is a very common issue especially in w205s. Mercedes has omitted this from their gasoline powered, emissions control warranty, but is listed under the BLUtech/ Diesel warranty. The car will fail the emissions test, and Mercedes Models have a recurring problem with this part which is charged out ... Read more
MERCEDES-BENZ C300 (2013) — SUSPENSION May 25, 2022
Incident date: May 5, 2022
My rear sub frame is rusted and unsafe to drive.. There seems to be a recall in Canada (I think) but not in the US. this is an unsafe issue that needs to be fixed. All local repair shops are aware of these and have several that need repaired as well.
MERCEDES-BENZ SPRINTER 3500 (2019) — ELECTRICAL SYSTEM May 24, 2022
Incident date: May 16, 2022
EIS controle module failed and Sprinter won't restart. Happened on the freeway when I was driving
MERCEDES-BENZ E350 (2010) — SUSPENSION:REAR May 24, 2022
Incident date: Apr 28, 2022
The contact owns a 2010 Mercedes-Benz E350. The contact stated while driving approximately 55 MPH and depressing the brake pedal, the rear wheels were going in a different direction. There were no warning lights illuminated. The vehicle was taken to a local mechanic to be diagnosed. The contact was informed that the rear suspensions had rusted and fractured. The vehicle was repaired. The manufactu... Read more
MERCEDES-BENZ B 250E (2017) — POWER TRAIN May 24, 2022
Incident date: May 11, 2022
I was on a busy street and my car failed to move. I got a message stating do not start the car until you contact the dealer. After getting the car to Mercedes Benz of Arrowhead they told me that "the drive motor is leaking coolant and is shorting itself out." This is an electric car - a 2017 Mercedes Benz B250e. After doing some research I found that this is a common issue with this model and that... Read more
MERCEDES-BENZ B 250E (2017) — FUEL/PROPULSION SYSTEM May 24, 2022
Incident date: May 11, 2022
I was on a busy street and my car failed to move. I got a message stating do not start the car until you contact the dealer. After getting the car to Mercedes Benz of Arrowhead they told me that "the drive motor is leaking coolant and is shorting itself out." This is an electric car - a 2017 Mercedes Benz B250e. After doing some research I found that this is a common issue with this model and that... Read more
MERCEDES-BENZ ML350 (2013) — UNKNOWN OR OTHER May 24, 2022
Incident date: Jun 8, 2021
2013 ML350 STRONG MOLDY SMELL IN CAR WHEN AIR CONDITIONER IS RUNNING, CHANGE AIR /CABIN FILTER SEVERAL TIMES SMELL STOP FOR A WHLE AND THEN COME BACK. CHECK FOR WATER OR LEAKING FOUND NOTHING. IF I GOOD TO THE MERCEDES THIS GOING TO COST ME A LOT OF MONEY FOR THEM LOOK OR TO FIND THE PROBLEM.
MERCEDES-BENZ C300 (2008) — SERVICE BRAKES May 24, 2022
Incident date: May 19, 2022
I was driving and the brake pedal went to the floor I managed to get the car in the garage and brake fluid leaked all over the floor Had the car towed to the dealer inspection show both stainless steel brake lines corroded in the same place Leaked out brake fluid end result was 5000 dollar repair bill
MERCEDES-BENZ GLK350 (2015) — POWER TRAIN May 23, 2022
Incident date: May 13, 2022
The contact owns a 2015 Mercedes-Benz GLK350. The contact stated that while attempting to reverse, the gear shifter was in reverse position however, the vehicle failed to respond. The contact then shifted into drive but the vehicle failed to respond. There were no warning lights illuminated. The tow truck driver was contacted and shifted the vehicle into neutral and the vehicle was towed to the de... Read more
MERCEDES-BENZ GLS450 (2021) — ENGINE May 23, 2022
Incident date: Jan 4, 2022
2021 GLS 450 VIN # 4JGFF5KE9MA404568 Purch: Nov 26, 2022 UAG Fairfield Auto Group CM, LLC,DBA MERCEDES BENZ OF FAIRFIELD Odometer Date of Purchase 10,084 Odometer Currently *13,700 (onboard notification) TIMELINE: Total vehicle system fails while driving on highway lost engine, steering, power suddenly - stranded. November 27, 2021 Loud interference noise coming from MBUX screen, faulty graphi... Read more
MERCEDES-BENZ GLS450 (2021) — POWER TRAIN May 23, 2022
Incident date: Jan 4, 2022
2021 GLS 450 VIN # 4JGFF5KE9MA404568 Purch: Nov 26, 2022 UAG Fairfield Auto Group CM, LLC,DBA MERCEDES BENZ OF FAIRFIELD Odometer Date of Purchase 10,084 Odometer Currently *13,700 (onboard notification) TIMELINE: Total vehicle system fails while driving on highway lost engine, steering, power suddenly - stranded. November 27, 2021 Loud interference noise coming from MBUX screen, faulty graphi... Read more
MERCEDES-BENZ GLS450 (2021) — ELECTRICAL SYSTEM May 23, 2022
Incident date: Jan 4, 2022
2021 GLS 450 VIN # 4JGFF5KE9MA404568 Purch: Nov 26, 2022 UAG Fairfield Auto Group CM, LLC,DBA MERCEDES BENZ OF FAIRFIELD Odometer Date of Purchase 10,084 Odometer Currently *13,700 (onboard notification) TIMELINE: Total vehicle system fails while driving on highway lost engine, steering, power suddenly - stranded. November 27, 2021 Loud interference noise coming from MBUX screen, faulty graphi... Read more
MERCEDES-BENZ C450 (2016) — ELECTRICAL SYSTEM May 23, 2022
Incident date: Apr 20, 2022
When I go to put my car in reverse, or drive the gear control is malfunctioning and I’m afraid this can be deadly or cause serious injury.
MERCEDES-BENZ C450 (2016) — STEERING May 23, 2022
Incident date: Apr 20, 2022
When I go to put my car in reverse, or drive the gear control is malfunctioning and I’m afraid this can be deadly or cause serious injury.
MERCEDES-BENZ C450 (2016) — UNKNOWN OR OTHER May 23, 2022
Incident date: Apr 20, 2022
When I go to put my car in reverse, or drive the gear control is malfunctioning and I’m afraid this can be deadly or cause serious injury.
MERCEDES-BENZ C300 (2011) — SUSPENSION May 23, 2022
Incident date: May 23, 2022
I noticed that when using the brakes the car would pull to the side. The front brake rotors and pads were completely replaced but the pulling behavior remained unchanged. When the mechanic specifically looked for reasons for the pulling he found the rear driver's side stabilizer completely rusted through and the passenger side one showing signs of similar impending failure. I took pictures of b... Read more
MERCEDES-BENZ GLK350 (2010) — AIR BAGS May 23, 2022
Incident date: May 22, 2022
Car fail to deploy side air bags at rearend collision and roll over crash .
Crash 1 injured
MERCEDES-BENZ E 450 (2020) — TIRES May 23, 2022
Incident date: May 21, 2022
The side wall split on the outside of the tire and the tire deflated. I pulled to the side of the road. I have no spare because the tires are run flats. I tried to drive and within about 3 miles the tire shredded. The tread separated from the tire and made the car undriveable because the tire tread was hitting the wheel well. I was stranded with no spare. The rubber began melting and I was t... Read more
MERCEDES-BENZ R350 (2008) — SERVICE BRAKES May 23, 2022
Incident date: May 9, 2022
I DROVE TO WORK WITH NO PROBLEMS. HOWEVER; RETURNING I STARTED CAR AND COULD HEAR A SLIGHT SOUND. I IMMEDIATELY NOTICED THAT THE CAR RISING SIGN WAS ILLUMINATED AND I WAITED FOR CAR TO RISE. THE CAR FAILED TO RISE AND WAS SITTING SO LOW TO TIRES THAT I COULD NOT DRIVE AND HAD TO BE TOWED HOME. AT HOME I TRIED AGAIN TO SEE IF CAR WOULD RISE AND AGAIN IT FAILED. IN ADDITION TO THE ABS BREAK SI... Read more
MERCEDES-BENZ R350 (2008) — SUSPENSION May 23, 2022
Incident date: May 9, 2022
I DROVE TO WORK WITH NO PROBLEMS. HOWEVER; RETURNING I STARTED CAR AND COULD HEAR A SLIGHT SOUND. I IMMEDIATELY NOTICED THAT THE CAR RISING SIGN WAS ILLUMINATED AND I WAITED FOR CAR TO RISE. THE CAR FAILED TO RISE AND WAS SITTING SO LOW TO TIRES THAT I COULD NOT DRIVE AND HAD TO BE TOWED HOME. AT HOME I TRIED AGAIN TO SEE IF CAR WOULD RISE AND AGAIN IT FAILED. IN ADDITION TO THE ABS BREAK SI... Read more
MERCEDES-BENZ CLS550 (2008) — ELECTRICAL SYSTEM May 22, 2022
Incident date: Mar 6, 2020
My doors will open without the keyfob being in close proximity to the vehicle. My car has been stolen d/t this feature. Also the electrical lighting system malfunctions causing dimmer lights especially when driving at night
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