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 (2016) — FUEL/PROPULSION SYSTEM Oct 25, 2022
Incident date: Oct 25, 2022
Horrible fuel smell coming through Air conditioning vents on cold start up. This presents a safety hazard as there is an obvious fuel leak on a still late model vehicle with no safety recall in sight.
MERCEDES-BENZ SL550 (2014) — STRUCTURE:BODY Oct 25, 2022
Incident date: Oct 12, 2022
The whole dashboard leather has come apart. The seam around the vent is peeling up, the top part is looking really bad. The top part of the instrumental console, the leather cloth has fell and you cannot see the face of the panel. This car should not be falling apart like that. The color is great, just coming aprt from the seams.
MERCEDES-BENZ C230 (2006) — ENGINE Oct 25, 2022
Incident date: Oct 18, 2022
My Engine light came on and I took it to Star Motors. They reported two codes, 1200 and 1208. This means a bad Balance Shaft. This balances the engine and controls the timing belt. I had three choices they said, Repair it for $5,900.00 ....Yes that's right. Sell the car or drive it till it dies. I asked what that meant. They said the car will just stop, freeze and size up, it could happen at anyti... Read more
MERCEDES-BENZ S560 (2018) — FUEL/PROPULSION SYSTEM Oct 25, 2022
Incident date: Jun 20, 2022
The Smell of fuel is present inside the vehicle around 50 percent of the time. When parked in the garage the vehicle emits an extremely strong fuel smell as if it has leaked fuel with no visible spills or leaks. While driving the smell of fuel is present almost always.
MERCEDES-BENZ S560 (2018) — SUSPENSION Oct 25, 2022
Incident date: Jun 20, 2022
The Smell of fuel is present inside the vehicle around 50 percent of the time. When parked in the garage the vehicle emits an extremely strong fuel smell as if it has leaked fuel with no visible spills or leaks. While driving the smell of fuel is present almost always.
MERCEDES-BENZ C 300 (2020) — FUEL/PROPULSION SYSTEM Oct 25, 2022
Incident date: Oct 20, 2022
The component that failed was the fuel injector and spark plug. A few months prior to this incident, I was making a left hand turn, when the accelerator completely gave out. I was making the left on a blinking yellow arrow, luckily the on coming car was not coming at me fast or I would've been in an accident due to the accelerator failing. I had to pull over, turn the car off and then back on to r... Read more
MERCEDES-BENZ C 300 (2020) — FORWARD COLLISION AVOIDANCE: WARNINGS Oct 25, 2022
Incident date: Oct 20, 2022
The component that failed was the fuel injector and spark plug. A few months prior to this incident, I was making a left hand turn, when the accelerator completely gave out. I was making the left on a blinking yellow arrow, luckily the on coming car was not coming at me fast or I would've been in an accident due to the accelerator failing. I had to pull over, turn the car off and then back on to r... Read more
MERCEDES-BENZ GL350 (2012) — FUEL/PROPULSION SYSTEM Oct 24, 2022
Incident date: Oct 14, 2022
I would like to file an official complaint with Mercedes Service center prior to escalating. Due to neglection the part of your authorized dealership, I am confronted with poor and conniving customer service, strong safety concerns, and financial loss. Also, Euro Motors did not report any issues with the vehicle wire harness during the pre inspection. During the pre inspection the only thing Mecha... Read more
MERCEDES-BENZ C300 (2013) — SUSPENSION Oct 24, 2022
Incident date: Oct 17, 2022
The contact owns a 2013 Mercedes-Benz C300. The contact stated that while his wife was driving approximately 35 MPH and attempting to abruptly stop the vehicle to avoid a crash, the vehicle suddenly drifted into the opposite lane while depressing the brake pedal. Upon inspection, it was discovered that the rear control arms had failed. The vehicle was driven to the local mechanic who diagnosed tha... Read more
MERCEDES-BENZ C300 (2013) — STRUCTURE Oct 24, 2022
Incident date: Oct 17, 2022
The contact owns a 2013 Mercedes-Benz C300. The contact stated that while his wife was driving approximately 35 MPH and attempting to abruptly stop the vehicle to avoid a crash, the vehicle suddenly drifted into the opposite lane while depressing the brake pedal. Upon inspection, it was discovered that the rear control arms had failed. The vehicle was driven to the local mechanic who diagnosed tha... Read more
MERCEDES-BENZ AMG E53 (2020) — ENGINE Oct 24, 2022
Incident date: Oct 22, 2022
While driving on the highway the engine shut down and I needed to pull over and restart the car. The engine would restart but then stalled several more times while driving. No check engine lights were on before the vehicle stalled and upon restarting the car no check engine lights turned on. I have it at the dealership currently but they can't look at it until December because of their backlog ... Read more
MERCEDES-BENZ GLK350 (2015) — POWER TRAIN Oct 24, 2022
Incident date: Sep 28, 2022
The contact owns a 2015 Mercedes-Benz GLK350. The contact stated that while her husband was driving at an undisclosed speed, the brake pedal was depressed, and the vehicle inadvertently shifted into park(P). The vehicle was towed to the dealer; however, the dealer was unable to duplicate the failure. The failure recurred and the vehicle was taken back to the dealer where a technician test-drove th... Read more
MERCEDES-BENZ E350 (2014) — STRUCTURE:BODY Oct 24, 2022
Incident date: Oct 7, 2022
The rear sub-frame involving vehicle stability under braking and turning. A component that should remain attached to the vehicle has broken off due to corrosion. My vehicle is not that old that a key structural component of the car should break at the weld/attachment point. I have video of this defect. But its greater than 10MB and will not let me upload it is there an email I can send it to ?
MERCEDES-BENZ E350 (2014) — SUSPENSION Oct 24, 2022
Incident date: Oct 7, 2022
The rear sub-frame involving vehicle stability under braking and turning. A component that should remain attached to the vehicle has broken off due to corrosion. My vehicle is not that old that a key structural component of the car should break at the weld/attachment point. I have video of this defect. But its greater than 10MB and will not let me upload it is there an email I can send it to ?
MERCEDES-BENZ E350 (2014) — STEERING Oct 24, 2022
Incident date: Oct 7, 2022
The rear sub-frame involving vehicle stability under braking and turning. A component that should remain attached to the vehicle has broken off due to corrosion. My vehicle is not that old that a key structural component of the car should break at the weld/attachment point. I have video of this defect. But its greater than 10MB and will not let me upload it is there an email I can send it to ?
MERCEDES-BENZ C300 (2011) — STRUCTURE:FRAME AND MEMBERS Oct 24, 2022
Incident date: Oct 8, 2022
The contact owns a 2011 Mercedes-Benz C300.The contact stated while driving 65 MPH, the vehicle was swinging from side to side. The contact desperately pumped the brake pedal, and the vehicle was able to stop swinging. The contact checked the vehicle and notice that the subframe was fractured on the driver’s and passenger’s side rear. The dealer was contacted and stated that they were aware of... Read more
MERCEDES-BENZ C300 (2017) — STEERING Oct 24, 2022
Incident date: Oct 8, 2022
When I started my car, the dash did not reveal park, drive, or reverse. It illuminated with a warning light indicating an Electronic Stability Problem (ESP). Research revealed this to be an important safety feature and that the Mercedes-warning-lights-electric-stability-control may have problems with traction control requiring attention. The ESP light was NOT flashing for the system to intervene ... Read more
MERCEDES-BENZ C300 (2017) — ELECTRICAL SYSTEM Oct 24, 2022
Incident date: Oct 8, 2022
When I started my car, the dash did not reveal park, drive, or reverse. It illuminated with a warning light indicating an Electronic Stability Problem (ESP). Research revealed this to be an important safety feature and that the Mercedes-warning-lights-electric-stability-control may have problems with traction control requiring attention. The ESP light was NOT flashing for the system to intervene ... Read more
MERCEDES-BENZ ML320 (2007) — POWER TRAIN Oct 24, 2022
Incident date: Jun 7, 2021
The vehicle would suddenly stop shifting or shift into neutral. This could happen at freeway speeds, where it would suddenly not have any power and just coast or it could be stuck in 4th at a stoplight and not be able to move.
MERCEDES-BENZ GL350 (2009) — POWER TRAIN Oct 24, 2022
Incident date: Apr 12, 2022
The car has started not shifting normally. It can get stuck in gear. So, you may pull to a stop sign and not be able to move because it’s stuck in 4th. What makes this really dangerous is that it will randomly shift into neutral. This can be on a shoulder-less two lane highway (this has happened) and you have no power to even get the car off the road. It also has taken to surging and jumping in ... Read more
MERCEDES-BENZ E350 (2014) — ELECTRICAL SYSTEM Oct 24, 2022
Incident date: Oct 24, 2022
Speaker(s) caught fire and sent smoke into car while driving. Dealer recognized issue immediately and said they have seen this before a few times. Mercedes said car is not in warranty son they will not support approx. bill of $4,000. The issue was discussed in various forums by several owners. I would like to see that Mercdes act responsibly and address the issue appropriately. Smoke coming into ... Read more
MERCEDES-BENZ E350 (2011) — STRUCTURE:BODY Oct 23, 2022
Incident date: Sep 30, 2022
The rear subframe failed as a result of pre-mature corrosion while traveling at 70mph. Control of vehicle was lost and could easily have led to a multiple fatality incident if not for luck. The problem has been reproduced in many Mercedes models around this model year and Mercedes is well aware of the issue with their inferior subframe. NTSA needs to order a recall from Mercedes as class action... Read more
MERCEDES-BENZ E350 (2011) — STEERING Oct 23, 2022
Incident date: Sep 30, 2022
The rear subframe failed as a result of pre-mature corrosion while traveling at 70mph. Control of vehicle was lost and could easily have led to a multiple fatality incident if not for luck. The problem has been reproduced in many Mercedes models around this model year and Mercedes is well aware of the issue with their inferior subframe. NTSA needs to order a recall from Mercedes as class action... Read more
MERCEDES-BENZ E350 (2011) — SUSPENSION Oct 23, 2022
Incident date: Sep 30, 2022
The rear subframe failed as a result of pre-mature corrosion while traveling at 70mph. Control of vehicle was lost and could easily have led to a multiple fatality incident if not for luck. The problem has been reproduced in many Mercedes models around this model year and Mercedes is well aware of the issue with their inferior subframe. NTSA needs to order a recall from Mercedes as class action... Read more
MERCEDES-BENZ B 250E (2017) — ENGINE Oct 23, 2022
Incident date: Oct 6, 2022
The electric motor is destined to fail because of a coolant leak at the speed sensor. According to many accounts the motor will fail and lock up the system. My car has not yet failed but I fear an accident will happen depending on where it falls. My extended warranty from Endurance is no help as they denied coverage for the motor. I have no alternative transportation and am out $17000 on the car.
MERCEDES-BENZ B 250E (2017) — POWER TRAIN Oct 23, 2022
Incident date: Oct 6, 2022
The electric motor is destined to fail because of a coolant leak at the speed sensor. According to many accounts the motor will fail and lock up the system. My car has not yet failed but I fear an accident will happen depending on where it falls. My extended warranty from Endurance is no help as they denied coverage for the motor. I have no alternative transportation and am out $17000 on the car.
MERCEDES-BENZ C300 (2012) — FUEL/PROPULSION SYSTEM Oct 23, 2022
Incident date: Oct 1, 2022
Car is leaking gas very dangers . I contact Mercedes dealer regarding the recall on this type of Mercedes i have and they said only vehicles manufactured from April 18, 2011, through July 12, 2011. Mine was before or after , and they refuse to give me the exactly date for my car manufacturer. Car I use for Uber , and i don’t have any other income . If someone just through away a cigarette in pa... Read more
MERCEDES-BENZ C250 (2014) — WHEELS Oct 23, 2022
Incident date: Oct 4, 2022
I bought the car from a used car dealer and 4 days later I was going 70 miles a hour down a highway and the studs broke on my right rear tire and the tire fell off.
MERCEDES-BENZ GLC300 (2016) — STEERING Oct 22, 2022
Incident date: Sep 29, 2022
Driving down the expressway at 4 AM when the car had a message and read saying do not change gears alert. I hardly got over to the emergency lane when all systems did not work. The axle , differential and oil pan broke. Had to be towed after waiting 2 1/2 hours for a tow.
MERCEDES-BENZ GLC300 (2016) — UNKNOWN OR OTHER Oct 22, 2022
Incident date: Sep 29, 2022
Driving down the expressway at 4 AM when the car had a message and read saying do not change gears alert. I hardly got over to the emergency lane when all systems did not work. The axle , differential and oil pan broke. Had to be towed after waiting 2 1/2 hours for a tow.
MERCEDES-BENZ E300 (2017) — POWER TRAIN Oct 21, 2022
Incident date: Oct 1, 2022
The contact owns a 2017 Mercedes-Benz E300. The contact stated that while driving at various speeds, the vehicle experienced jerking and hesitation and erroneously switched from the automatic transmission to the manual transmission position, without the transmission selector being switched. The cause of the failure was not determined. The manufacturer was contacted but no assistance was offered. T... Read more
MERCEDES-BENZ C300 (2016) — UNKNOWN OR OTHER Oct 21, 2022
Incident date: Oct 19, 2022
P052e positive crankcase ventilation
MERCEDES-BENZ AMG C43 (2020) — BACK OVER PREVENTION: SENSING SYSTEM: CAMERA Oct 20, 2022
Incident date: Oct 20, 2022
******* DELETE VOQ ******* THIS COMPLAINT IS BEING MARKED FOR DELETION BECAUSE THE CONSUMER PLACED THE REQUEST.*DJR ******* DELETE VOQ *******
MERCEDES-BENZ C300 (2013) — SUSPENSION Oct 20, 2022
Incident date: Oct 19, 2022
While driving on highway, started to slowdown on exit. Vehicle rear end felt waiving side to side. Had vehicle checked with local mechanic. Reported rear subframe rusted and split. Advised not to drive & replace the subframe. Visited MB dealer service. Informed it is a known problem and a safety problem. Can repair when part is re-stock in January 2023?? $4,000 + Research online. Plenty reports in... Read more
MERCEDES-BENZ C300 (2013) — SUSPENSION Oct 20, 2022
Incident date: Oct 20, 2022
Filing complaint for my 2013 Mercedes C300. I was informed by the dealership this vehicle has a rusted out rear subframe and the vehicle is no longer operable. This is a very common and serious safety issue, and the Mercedes dealership is refusing to cover the cost of the repair. Please help!
MERCEDES-BENZ E350 (2014) — UNKNOWN OR OTHER Oct 20, 2022
Incident date: Oct 11, 2022
The 2014 E350 4matic was diagnosed by the Dealer with a cracked rear subframe. When I questioned that is this common with a 2014 model EClass they were not sure. Calling MB USA they felt there weren't any complaints. When I called 9 different dealers in the USA looking for a NEW subframe for the E-Class, the common response was we are receiving many calls about replacing the subframe due to i... Read more
MERCEDES-BENZ GLC300 (2017) — ENGINE Oct 20, 2022
Incident date: Oct 10, 2022
The contact owns a 2017 Mercedes-Benz GLC300. The contact stated that while driving approximately 55 MPH, she detected white smoke coming from the tailpipes. There were no warning lights illuminated. The contact was able to pull over. The vehicle was towed to the local dealer who placed a camera inside the engine and noticed that the piston had fractured and detached inside the engine. The contact... Read more
MERCEDES-BENZ GLC300 (2017) — ENGINE AND ENGINE COOLING:EXHAUST SYSTEM Oct 20, 2022
Incident date: Oct 10, 2022
The contact owns a 2017 Mercedes-Benz GLC300. The contact stated that while driving approximately 55 MPH, she detected white smoke coming from the tailpipes. There were no warning lights illuminated. The contact was able to pull over. The vehicle was towed to the local dealer who placed a camera inside the engine and noticed that the piston had fractured and detached inside the engine. The contact... Read more
MERCEDES-BENZ C300 (2015) — ENGINE Oct 19, 2022
Incident date: Sep 30, 2022
Crankcase ventilation valve malfunctioning Second time with car. Creating trapped exhaust in crankcase.
MERCEDES-BENZ GLA 250 (2018) — ELECTRICAL SYSTEM Oct 19, 2022
Incident date: Oct 2, 2022
My backup camera doesn’t work at least half the time. The screen is completely black when I start the car, and the radio doesn’t even come on until I’ve been driving for about 15 minutes. The car does not charge either of my phones even with the cord provided by Mercedes that links to the screen. I depend on that for navigation, and the screen remains black. Since the phone won’t charge ei... Read more
MERCEDES-BENZ C300 (2011) — SUSPENSION Oct 19, 2022
Incident date: Aug 2, 2022
Rear Sub frame faiIure / rusted and rotted On this site alone there are complaints listed under 3 different heading Structure (30) / SUSPENSION (38) / UNKNOWN OR OTHER (20) all related to the rear sub frame. not to mention 100's on the web. I nearly died when I hit the brakes the car lurched to the left at highway speed. My mechanic told me that the rear Subframe was rotted and the rear cont... Read more
MERCEDES-BENZ C300 (2011) — STRUCTURE:BODY Oct 19, 2022
Incident date: Oct 19, 2022
Rusted left rear ear of rear subframe.
MERCEDES-BENZ C300 (2011) — SUSPENSION:SUBFRAME/MOUNTING BRACKET Oct 19, 2022
Incident date: Oct 19, 2022
Rusted left rear ear of rear subframe.
MERCEDES-BENZ C300 (2015) — FUEL/PROPULSION SYSTEM Oct 19, 2022
Incident date: Apr 1, 2022
Positive crankcase ventilation valve. Known issue with manufacturer
MERCEDES-BENZ GLS450 (2021) — ELECTRICAL SYSTEM Oct 19, 2022
Incident date: Oct 14, 2022
Car would not start, 48 volt system failure
MERCEDES-BENZ GLS450 (2021) — ELECTRICAL SYSTEM Oct 19, 2022
Incident date: Feb 1, 2021
Car shut off while driving. Would not restart. 48 volt battery failure, needed software update
MERCEDES-BENZ GLS450 (2021) — ELECTRICAL SYSTEM Oct 19, 2022
Incident date: May 13, 2022
Car turned on by itself, then 2 days later would not start. 48v battery system needed software update
MERCEDES-BENZ GL450 (2009) — SERVICE BRAKES, HYDRAULIC Oct 19, 2022
Incident date: Oct 1, 2022
The contact owns a 2009 Mercedes-Benz GL450. The contact stated while driving at an undisclosed speed, the brake pedal was depressed, and the vehicle started shuddering. The check engine warning light was illuminated. The vehicle was towed to the dealer who informed the contact that the vehicle was not safe to drive. The vehicle was towed to the dealer where the recall repair of NHTSA Campaign Num... Read more
MERCEDES-BENZ GL450 (2009) — ELECTRICAL SYSTEM Oct 19, 2022
Incident date: Oct 1, 2022
The contact owns a 2009 Mercedes-Benz GL450. The contact stated while driving at an undisclosed speed, the brake pedal was depressed, and the vehicle started shuddering. The check engine warning light was illuminated. The vehicle was towed to the dealer who informed the contact that the vehicle was not safe to drive. The vehicle was towed to the dealer where the recall repair of NHTSA Campaign Num... Read more
MERCEDES-BENZ GL450 (2009) — ENGINE Oct 19, 2022
Incident date: Oct 1, 2022
The contact owns a 2009 Mercedes-Benz GL450. The contact stated while driving at an undisclosed speed, the brake pedal was depressed, and the vehicle started shuddering. The check engine warning light was illuminated. The vehicle was towed to the dealer who informed the contact that the vehicle was not safe to drive. The vehicle was towed to the dealer where the recall repair of NHTSA Campaign Num... Read more
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