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 ML320 (2007) — AIR BAGS Sep 6, 2022
Incident date: Sep 1, 2022
STS light on with message saying Right curtain airbag malfunction visit workshop
MERCEDES-BENZ ML320 (2007) — AIR BAGS:SIDE/WINDOW:CURTAIN Sep 6, 2022
Incident date: Sep 1, 2022
STS light on with message saying Right curtain airbag malfunction visit workshop
MERCEDES-BENZ C300 (2011) — SUSPENSION Sep 6, 2022
Incident date: Jun 1, 2022
I was driving down the road when a deer ran out into the roadway ahead of me. I applied the brake firmly and hear a "pop" and the car suddenly changed lanes. I was able to recover without much of an incident but applying the brakes from that point on caused the car to "steer" into a new direction. I took the vehicle out to a friends farm and jacked it up to find that on this car with zero other c... Read more
MERCEDES-BENZ ML500 (2006) — AIR BAGS Sep 6, 2022
Incident date: Jun 7, 2021
When reviewing the vehicle for purchase I noticed the SRS light on. I brought it to the dealerships attention. They instructed me to bring it back in the morning after signing paperwork so they could fix it. After I brought it back they let me know that they didn't see any SRS lights and would not be servicing the vehicle. There has been multiple mechanical issues with the vehicle including but no... Read more
MERCEDES-BENZ ML500 (2006) — ENGINE Sep 6, 2022
Incident date: Jun 7, 2021
When reviewing the vehicle for purchase I noticed the SRS light on. I brought it to the dealerships attention. They instructed me to bring it back in the morning after signing paperwork so they could fix it. After I brought it back they let me know that they didn't see any SRS lights and would not be servicing the vehicle. There has been multiple mechanical issues with the vehicle including but no... Read more
MERCEDES-BENZ ML500 (2006) — UNKNOWN OR OTHER Sep 6, 2022
Incident date: Jun 7, 2021
When reviewing the vehicle for purchase I noticed the SRS light on. I brought it to the dealerships attention. They instructed me to bring it back in the morning after signing paperwork so they could fix it. After I brought it back they let me know that they didn't see any SRS lights and would not be servicing the vehicle. There has been multiple mechanical issues with the vehicle including but no... Read more
MERCEDES-BENZ GLE 450 (2022) — ENGINE Sep 6, 2022
Incident date: Sep 3, 2022
The contact owns a 2022 Mercedes-Benz GLE450. The contact stated while driving approximately 50 MPH, the battery malfunction warning light illuminated along with other unknown warning lights. The contact stated that the vehicle stalled and coasted to a stop. The contact stated that the vehicle lost power steering and braking functionality. The contact was able to shift the vehicle into park(P) and... Read more
MERCEDES-BENZ E550 (2011) — UNKNOWN OR OTHER Sep 6, 2022
Incident date: Sep 6, 2022
The passenger door will not open from the inside. The vehicle has not been inspected by any parties yet. No warning messages are currently displayed.
MERCEDES-BENZ E550 (2011) — LANE DEPARTURE: BLIND SPOT DETECTION Sep 6, 2022
Incident date: Sep 6, 2022
The passenger door will not open from the inside. The vehicle has not been inspected by any parties yet. No warning messages are currently displayed.
MERCEDES-BENZ R350 (2006) — SERVICE BRAKES, HYDRAULIC Sep 6, 2022
Incident date: Sep 6, 2022
The contact owns a 2006 Mercedes-Benz R350. The contact received notification of NHTSA Campaign Number: 22V315000 (Service Brakes, Hydraulic) however, the part to do the recall repair was not yet available. The dealer was made aware of the issue. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact had not experienced a failure. Parts... Read more
MERCEDES-BENZ C300 (2012) — STRUCTURE:BODY Sep 6, 2022
Incident date: Aug 28, 2022
the Rear Subrame CRACKED while Driving, Almost causing a Major accident with my son in the car as well. This seems to be a MAJOR problem being overlooked and ignored by Mercedes Benz . This repair is going to Cost me $ 3000-$ 5000 Dollars. and the Replacement Subframe is Impossible to find and on Back order ! so Now I'm without a Vehicle for God knows How long ?? I Feel there is No Do... Read more
MERCEDES-BENZ GLK350 (2010) — SUSPENSION Sep 6, 2022
Incident date: Aug 29, 2022
My mechanic reported that the subframe is corroded and that the vehicle is unsafe to drive. He told me that I cannot drive it at all. Apparently this is a very common problem in C class and Glk class Mercedes vehicles. I read that this problem is considered a recall issue in Germany and Canada, but not here in the US. My suv has 102,000 miles and is in good shape otherwise…. This is a very d... Read more
MERCEDES-BENZ C250 (2013) — STRUCTURE:BODY Sep 6, 2022
Incident date: Jul 31, 2022
The interior driver side door handle broke and I was trapped inside my vehicle. Upon checking with the local Mercedes-Benz repair shop, this is a known problem with this type of vehicle and the design of the door handle is prone to this kind of a problem. As of now, the contact has stated that their current solution for the issue is to roll down the window and open the door with the exterior hand... Read more
MERCEDES-BENZ R350 (2008) — SERVICE BRAKES, HYDRAULIC Sep 6, 2022
Incident date: Jul 27, 2022
The contact owns a 2008 Mercedes-Benz R350. The contact received notification of NHTSA Campaign Number: 22V315000 (Service Brakes, Hydraulic) however, the part to do the recall repair was not yet available. The dealer was made aware of the issue. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact had not experienced a failure. VIN t... Read more
MERCEDES-BENZ SPRINTER 2500 (2022) — VEHICLE SPEED CONTROL Sep 6, 2022
Incident date: Sep 2, 2022
Brand new van with less than 1000 miles on it. Driving in the High Sierras 8600 - 9000 ft. Altitude seems to be related to this problem. I have not had the problem in San Francisco on steep hills. Problem: When leaving a stop, on any uphill slope RPMs will stay well under 2000 and the van barely moves or not at all. Occurs even with full throttle, manually in lowest gear and in low range (low ra... Read more
MERCEDES-BENZ C300 (2013) — SUSPENSION Sep 5, 2022
Incident date: Aug 26, 2022
Rear subframe and rear wheel control arm separated and corroded. Car not safe to drive. 2013 model with 31,000 miles, always garaged and maintained.
MERCEDES-BENZ C300 (2017) — POWER TRAIN Sep 5, 2022
Incident date: Sep 1, 2022
My car threw the check engine code P052E, the issue is the positive crankcase ventilation valve being faulty. Incredibly common on this model and now failed on my car too at 60K miles. All maintenance was done up to this point with the dealer and at or before recommended intervals.
MERCEDES-BENZ C300 (2017) — ENGINE Sep 5, 2022
Incident date: Sep 1, 2022
My car threw the check engine code P052E, the issue is the positive crankcase ventilation valve being faulty. Incredibly common on this model and now failed on my car too at 60K miles. All maintenance was done up to this point with the dealer and at or before recommended intervals.
MERCEDES-BENZ E350 (2012) — FUEL/PROPULSION SYSTEM Sep 4, 2022
Incident date: Aug 28, 2022
Everytime I fill up gas tank and park car in garage. Strong gas smell fumes.
MERCEDES-BENZ C320 (2004) — WHEELS Sep 4, 2022
Incident date: Aug 19, 2022
My right rear tire wares from the inside to the middle only the rest of the tire is good. I’ve had two blowouts because I can’t see that part of my tire without getting down on the ground to look at it. The part I see looks good. My tire seems to be kicked out a bit at the bottom. This is the only tire I have problems with.
MERCEDES-BENZ C320 (2004) — UNKNOWN OR OTHER Sep 4, 2022
Incident date: Aug 19, 2022
My right rear tire wares from the inside to the middle only the rest of the tire is good. I’ve had two blowouts because I can’t see that part of my tire without getting down on the ground to look at it. The part I see looks good. My tire seems to be kicked out a bit at the bottom. This is the only tire I have problems with.
MERCEDES-BENZ C320 (2004) — SUSPENSION Sep 4, 2022
Incident date: Aug 19, 2022
My right rear tire wares from the inside to the middle only the rest of the tire is good. I’ve had two blowouts because I can’t see that part of my tire without getting down on the ground to look at it. The part I see looks good. My tire seems to be kicked out a bit at the bottom. This is the only tire I have problems with.
MERCEDES-BENZ GLE 350 (2018) — POWER TRAIN Sep 4, 2022
Incident date: Sep 3, 2022
Cannot shift gear to Reverse or Neutral, after car is completely stopped by pushing brake pedal and keep firmly pushing the brake pedal. After firmly press the brake pedal, tried to move hear selector to Reverse or Neutral, but did not work. Tried to above step more than five times at the moment of incident, but did not work. If takes off the foot from the pedal, the car Restart the engine, then I... Read more
MERCEDES-BENZ ML550 (2008) — TIRES Sep 3, 2022
Incident date: Sep 2, 2022
Cooper Tire Evolution 245/65R17 - Tire Tread Separation - the entire tread out layer came off of the driver side front tire while driving on the freeway - the tire was not deflated - the entire tread hit the driver side mirror breaking it completely off - hitting driver window and deploying all airbags on driver side of the vehicle. The tire itself still was fully aired and full circle entire ou... Read more
1 injured
MERCEDES-BENZ C300 (2012) — STRUCTURE:BODY Sep 3, 2022
Incident date: Jun 10, 2022
During a routine oil change Mercedes mechanic discovered our rear subframe is rusted on both sides and needs to be replaced. This is apparently a well known problem, and Mercedes will replace this for free in Germany, but has not recalled the subframes in the US. Mercedes created a new OEM part as the replacement part, proving the original part is faulty. However Mercedes does not have enough part... Read more
MERCEDES-BENZ E350 (2016) — UNKNOWN OR OTHER Sep 3, 2022
Incident date: Aug 9, 2022
The car was in for (Aug 2022) annual safety and emissions state (PA) inspection and normal maintenance. Last performed Aug 2021. I was told that the car failed safety inspection because the Rear SubFrame had rusted through. A hole was present not just surface rust. The car has 58,000 miles and garage kept. The car was just (June 2022) in for all 4 wheel brakes replaced along with 4 tires. There h... Read more
MERCEDES-BENZ C300 (2009) — UNKNOWN OR OTHER Sep 3, 2022
Incident date: Jan 22, 2022
Rear subframe corrosion discovered by Mercedes Benz Service.105,000 miles on the vehicle. Presents a safety hazard, possible loss of control the vehicle. Frames rots from the inside out, which leads to discovery after vehicle performance and safety is compromised.
MERCEDES-BENZ C300 (2009) — SUSPENSION Sep 3, 2022
Incident date: Jan 22, 2022
Rear subframe corrosion discovered by Mercedes Benz Service.105,000 miles on the vehicle. Presents a safety hazard, possible loss of control the vehicle. Frames rots from the inside out, which leads to discovery after vehicle performance and safety is compromised.
MERCEDES-BENZ E550 (2010) — ELECTRICAL SYSTEM Sep 2, 2022
Incident date: Aug 2, 2022
My car has this issue that when I am slowing down it will automatically shift to park and will not let me shift to drive until I turn the car off and on. When rolling to a stop, I've had a few instances where the car shifts to park and the car behind me almost hits me due to the car shifting on its own and not allowing me to proceed with the flow of traffic. This puts not only me, but the person b... Read more
MERCEDES-BENZ E550 (2010) — UNKNOWN OR OTHER Sep 2, 2022
Incident date: Aug 2, 2022
My car has this issue that when I am slowing down it will automatically shift to park and will not let me shift to drive until I turn the car off and on. When rolling to a stop, I've had a few instances where the car shifts to park and the car behind me almost hits me due to the car shifting on its own and not allowing me to proceed with the flow of traffic. This puts not only me, but the person b... Read more
MERCEDES-BENZ GLA 250 (2015) — POWER TRAIN Sep 2, 2022
Incident date: Sep 1, 2022
Upon start, got a "reverse not possible" warning. Tried to drive home, but shifting was very erratic and car slowed dramatically between shifts. On several occasions, cars behind me had to swerve to avoid me. And, if I would have had to reverse out of danger, I would have been in serious trouble. After too many close calls, I stopped to arrange a tow. When I returned to the car to move it, the pro... Read more
MERCEDES-BENZ GLA 250 (2015) — VEHICLE SPEED CONTROL Sep 2, 2022
Incident date: Sep 1, 2022
Upon start, got a "reverse not possible" warning. Tried to drive home, but shifting was very erratic and car slowed dramatically between shifts. On several occasions, cars behind me had to swerve to avoid me. And, if I would have had to reverse out of danger, I would have been in serious trouble. After too many close calls, I stopped to arrange a tow. When I returned to the car to move it, the pro... Read more
MERCEDES-BENZ C300 (2013) — STRUCTURE:BODY Sep 2, 2022
Incident date: Sep 1, 2022
I have a 2013 MERCEDES BENZ C300 Sport 4MATIC with roughly 90k miles. Car is in great condition, a well maintained vehicle that has been regularly serviced (receipts in hand). I recently sent it in for an oil change, air filter change, and to check out a slight rear noise that started a couple weeks ago. I was told the Rear Subframe is severely rotted, and hitting the gas tank. My car is completel... Read more
MERCEDES-BENZ C300 (2012) — SUSPENSION Sep 1, 2022
Incident date: Aug 31, 2022
Dealer states that the rear subframe has rusted and degraded to the point of requiring full replacement. The car is 10 years old with 98,000 miles on the odometer. This is premature degradation of an essential component.
MERCEDES-BENZ C300 (2012) — STRUCTURE:BODY Sep 1, 2022
Incident date: Aug 31, 2022
Dealer states that the rear subframe has rusted and degraded to the point of requiring full replacement. The car is 10 years old with 98,000 miles on the odometer. This is premature degradation of an essential component.
MERCEDES-BENZ C300 (2012) — STEERING Sep 1, 2022
Incident date: Aug 31, 2022
Dealer states that the rear subframe has rusted and degraded to the point of requiring full replacement. The car is 10 years old with 98,000 miles on the odometer. This is premature degradation of an essential component.
MERCEDES-BENZ E350 (2013) — VISIBILITY:SUN/MOON ROOF ASSEMBLY Sep 1, 2022
Incident date: Aug 1, 2022
The contact owns a 2013 Mercedes-Benz E350. The contact stated while his wife was driving at 55 mph, the sunroof sliding door detached and fell on her right shoulder and head. The driver sustained headaches for a couple of days but did not seek medical attention. The contact took the vehicle to a local dealer, where it was diagnosed with needing the airflow panel to be replaced. The vehicle was re... Read more
1 injured
MERCEDES-BENZ C300 (2012) — STEERING Sep 1, 2022
Incident date: Sep 1, 2022
The contact owns a 2012 Mercedes-Benz C300. The contact stated that the vehicle was unable to start-up as needed. The vehicle was towed to the dealer where it was diagnosed with a faulty steering column sensor that needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was 104,692.
MERCEDES-BENZ E350 (2010) — SUSPENSION Sep 1, 2022
Incident date: May 20, 2022
My family has owned this vehicle since 2013 when it was purchased from the local Mercedes dealership as certified pre-owned. In the past few years, we have had to have several of the rear brake lines replaced due to rust. The last time, we were told by the mechanic that the complete rear subframe would have to be replaced due to rust. Specifically the attachment points from the subframe to the ... Read more
MERCEDES-BENZ E350 (2010) — STEERING Sep 1, 2022
Incident date: May 20, 2022
My family has owned this vehicle since 2013 when it was purchased from the local Mercedes dealership as certified pre-owned. In the past few years, we have had to have several of the rear brake lines replaced due to rust. The last time, we were told by the mechanic that the complete rear subframe would have to be replaced due to rust. Specifically the attachment points from the subframe to the ... Read more
MERCEDES-BENZ E350 (2010) — SERVICE BRAKES Sep 1, 2022
Incident date: May 20, 2022
My family has owned this vehicle since 2013 when it was purchased from the local Mercedes dealership as certified pre-owned. In the past few years, we have had to have several of the rear brake lines replaced due to rust. The last time, we were told by the mechanic that the complete rear subframe would have to be replaced due to rust. Specifically the attachment points from the subframe to the ... Read more
MERCEDES-BENZ C300 (2017) — ENGINE Aug 31, 2022
Incident date: Jul 31, 2022
My car leaked oil very fast while me & my wife were on a trip and it stopped on the highway and engine was stalling and misfiring due to a manufacture defect that is common with this model so it did put us in a very dangerous & risky situation. Now after i paid $1,740 the dealer is saying that my car needs a new engine due to cracked piston in cylinder 1 that damaged the engine which is a common p... Read more
MERCEDES-BENZ C300 (2017) — POWER TRAIN Aug 31, 2022
Incident date: Jul 31, 2022
My car leaked oil very fast while me & my wife were on a trip and it stopped on the highway and engine was stalling and misfiring due to a manufacture defect that is common with this model so it did put us in a very dangerous & risky situation. Now after i paid $1,740 the dealer is saying that my car needs a new engine due to cracked piston in cylinder 1 that damaged the engine which is a common p... Read more
MERCEDES-BENZ ML500 (2006) — SERVICE BRAKES, HYDRAULIC Aug 31, 2022
Incident date: Jun 30, 2022
The contact owns a 2006 Mercedes-Benz ML500. The contact received notification of NHTSA Campaign Number: 22V315000 (Service Brakes, Hydraulics) however, the part to do the recall repair was unavailable. The dealer was made aware of the issue and confirmed that parts were not yet available. The manufacturer was made aware of the issue. The contact stated that the manufacturer had exceeded a reasona... Read more
MERCEDES-BENZ C350 (2008) — STEERING Aug 31, 2022
Incident date: Aug 19, 2022
The contact owns a 2008 Mercedes-Benz C350. The contact attempted to start the vehicle however, the vehicle failed to start-up. There were no warning lights illuminated. The vehicle was towed to the dealer. The dealer diagnosed the vehicle Electronic Steering Lock failure. The vehicle was currently being repaired. The manufacturer was notified of the failure. The approximate failure mileage was 78... Read more
MERCEDES-BENZ ML250 (2015) — ENGINE Aug 31, 2022
Incident date: Jun 10, 2022
The Adblue blue malfunctioned and the engine oil cooling is leaking. Also the axle is leaking. This was a previous recall on this specific vehicle and it continues to be an issue
MERCEDES-BENZ ML250 (2015) — UNKNOWN OR OTHER Aug 31, 2022
Incident date: Jun 10, 2022
The Adblue blue malfunctioned and the engine oil cooling is leaking. Also the axle is leaking. This was a previous recall on this specific vehicle and it continues to be an issue
MERCEDES-BENZ GLC 300 (2018) — SEAT BELTS Aug 31, 2022
Incident date: Aug 31, 2022
While driving and front driver seatbelt fastened, the seat belt unfastened warning will intermittently go on and off tightening the seat belt, as if first starting the car. This has occurred for several weeks now. Per the attached recall notice, this issue has already been identified in 2018 GLC models (my VIN does not show up, however, as part of the recall), and could cause failure of the restr... Read more
MERCEDES-BENZ GLS450 (2021) — TIRES Aug 30, 2022
Incident date: Jun 13, 2022
Tire Size 270/50 R 20 Tire type: Cooper Discover SRX These tires came with my 2021 Brand new Mercedes GLS 450. I bought this car in May 2021. I have had this car for only 1 1/2 years with 22K miles; tires thread are down to 0. I have kids, and this is my primary family car. I had a few bad to worst experiences during wet weather conditions. I took my car for my 20K service milestone; My Mercedes d... Read more
MERCEDES-BENZ S400 (2010) — SUSPENSION Aug 30, 2022
Incident date: Aug 27, 2022
Airmatic Suspension sprung a leak and could not be driven safely due to the vehicle getting severely low where the tire and rim tucked into the wheel well. When the airmatic suspension fails the vehicle can get so low that it can scrape the roadway, hit bumps and damage parts under which can dislodge and cause an severe accident or pile up. Requesting a Nationwide Recall on all Mercedes-Benz vehic... Read more
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