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 (2012) — SUSPENSION Oct 19, 2022
Incident date: Oct 18, 2022
I went to my dealership for a routine yearly service appointment, which I do regularly, along with yearly inspections. My car was purchased new to my liking in 2012 with input from my late partner who passed before I received it! I waited quite some time to get my gem. When it arrived, I had all I could do to drive it, given my loss. I garage it every day for the last 10+ years, never left it ... Read more
MERCEDES-BENZ S 580 (2021) — ELECTRICAL SYSTEM Oct 18, 2022
Incident date: Oct 15, 2022
The contact owns a 2021 Mercedes-Benz S580. The contact received notification of NHTSA Campaign Number: 22V365000 (Electrical System, Communication) however, the parts to do the recall repair were not available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The local dealer was notified of the issue and confirmed that parts were not availa... Read more
MERCEDES-BENZ S 580 (2021) — COMMUNICATION Oct 18, 2022
Incident date: Oct 15, 2022
The contact owns a 2021 Mercedes-Benz S580. The contact received notification of NHTSA Campaign Number: 22V365000 (Electrical System, Communication) however, the parts to do the recall repair were not available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The local dealer was notified of the issue and confirmed that parts were not availa... Read more
MERCEDES-BENZ C300 (2008) — AIR BAGS Oct 18, 2022
Incident date: Aug 26, 2022
After repair done on the confirmed recall airbag computer/module my vehicle became immobile, malfuctioned. The vehicle warning lamps alerted the airbag malfunctioned, srs malfunction. I seeked service for repair of this recall by experts. This safety issue is still ongoing and urgency is needed for this to be resolved.
1 injured
MERCEDES-BENZ C300 (2008) — SEAT BELTS Oct 18, 2022
Incident date: Aug 26, 2022
After repair done on the confirmed recall airbag computer/module my vehicle became immobile, malfuctioned. The vehicle warning lamps alerted the airbag malfunctioned, srs malfunction. I seeked service for repair of this recall by experts. This safety issue is still ongoing and urgency is needed for this to be resolved.
1 injured
MERCEDES-BENZ C300 (2008) — STEERING Oct 18, 2022
Incident date: Aug 26, 2022
After repair done on the confirmed recall airbag computer/module my vehicle became immobile, malfuctioned. The vehicle warning lamps alerted the airbag malfunctioned, srs malfunction. I seeked service for repair of this recall by experts. This safety issue is still ongoing and urgency is needed for this to be resolved.
1 injured
MERCEDES-BENZ SPRINTER 2500 (2020) — VISIBILITY:GLASS, SIDE/REAR Oct 18, 2022
Incident date: Aug 11, 2022
The contact owns a 2020 Mercedes-Benz Sprinter 2500. The contact stated while driving 60 MPH, the passenger’s sideview mirror started rattling, making it difficult to see out the mirror. The vehicle was taken to the dealer and the housing of the mirror was pushed back into place; however, the failure persisted. The manufacturer was not contacted or notified of the failure. The failure mileage wa... Read more
MERCEDES-BENZ GLS 450 (2019) — ENGINE AND ENGINE COOLING Oct 18, 2022
Incident date: Mar 4, 2022
The contact's client owns a 2019 Mercedes Ben GLS450. The contact stated that while the owner was driving at an undetermined speed, the vehicle began to smoke and caught fire. There were no warning indicator lights illuminated. There were no injuries or air bag deployment. A police report was filed. The fire department extinguished the fire. The vehicle was towed to an undisclosed location. The... Read more
Fire
MERCEDES-BENZ ML350 (2007) — ELECTRICAL SYSTEM Oct 18, 2022
Incident date: Oct 15, 2022
The contact's wife owned a 2007 Mercedes-Benz ML350. The contact stated that while they were out of town, the vehicle was parked in their driveway. The contact stated that a neighbor contacted them and made them aware that the vehicle had caught on fire. A bystander contacted the fire department and the fire was extinguished. The fire department informed the contact that the fire had originated fr... Read more
Fire
MERCEDES-BENZ C300 (2013) — SUSPENSION Oct 18, 2022
Incident date: Aug 30, 2022
August 30,2022 local Mercedes Benz dealer stated that their inspection found that the rear sub frame was rusted and needed to be replaced (estimated cost $4,699.88). I had two other independent repair shops confirm the sub frame condition.My car had 78,753 miles on it at time of discovery of sub frame corrosion condition. My independent repair shop says that OEM sub frames are back ordered with no... Read more
MERCEDES-BENZ C300 (2012) — STRUCTURE:FRAME AND MEMBERS Oct 18, 2022
Incident date: Oct 4, 2022
The contact owns a 2012 Mercedes-Benz C300. The contact stated that the vehicle was taken to the dealer for a routine maintenance check and she was informed by the dealer that there was a hole in the subframe. The contact was informed that the subframe needed to be replaced. No warning light was illuminated. The vehicle was not repaired. The manufacture was not notified of the failure. The failure... Read more
MERCEDES-BENZ E350 (2014) — SUSPENSION Oct 18, 2022
Incident date: Sep 9, 2022
In a routine oil change, Mercedes dealership reports poorly rusted subframe. 2014 E350 with 160,000.
MERCEDES-BENZ GLA 250 (2019) — WHEELS Oct 17, 2022
Incident date: Oct 6, 2022
AT 48000 MILES (TPMS) Tire Pressure Monitoring Sensor MALFUNCTION CAUSE AIR VALVE TO BLOWN OUT FROM FROM TIRE AT 65 MILE/HR ON BUSY INTERSTATE WHICH CAUSE VEHICLE TO VEER INTO BUSY TRAFFIC BARELY AVOIDING ACCIDENT MERCEDES NEEDS TO INVESIGATE WHY TMPS FAIL AT 65MI/HRS AND WHILE AIR VALUE BLEW OUT FROM TIRE AND RUN FLAT TIRE BECOME FLAT ON HIWAY
MERCEDES-BENZ GLA 250 (2019) — STEERING Oct 17, 2022
Incident date: Oct 6, 2022
AT 48000 MILES (TPMS) Tire Pressure Monitoring Sensor MALFUNCTION CAUSE AIR VALVE TO BLOWN OUT FROM FROM TIRE AT 65 MILE/HR ON BUSY INTERSTATE WHICH CAUSE VEHICLE TO VEER INTO BUSY TRAFFIC BARELY AVOIDING ACCIDENT MERCEDES NEEDS TO INVESIGATE WHY TMPS FAIL AT 65MI/HRS AND WHILE AIR VALUE BLEW OUT FROM TIRE AND RUN FLAT TIRE BECOME FLAT ON HIWAY
MERCEDES-BENZ GLA 250 (2019) — UNKNOWN OR OTHER Oct 17, 2022
Incident date: Oct 6, 2022
AT 48000 MILES (TPMS) Tire Pressure Monitoring Sensor MALFUNCTION CAUSE AIR VALVE TO BLOWN OUT FROM FROM TIRE AT 65 MILE/HR ON BUSY INTERSTATE WHICH CAUSE VEHICLE TO VEER INTO BUSY TRAFFIC BARELY AVOIDING ACCIDENT MERCEDES NEEDS TO INVESIGATE WHY TMPS FAIL AT 65MI/HRS AND WHILE AIR VALUE BLEW OUT FROM TIRE AND RUN FLAT TIRE BECOME FLAT ON HIWAY
MERCEDES-BENZ E350 (2011) — STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS Oct 17, 2022
Incident date: Oct 13, 2022
The contact owns a 2011 Mercedes-Benz E350. The contact stated that while the vehicle was at the local dealer for a routine oil change, the contact was informed that the rear subframe, control arms, brake lines, and pipe socket were corroded. The vehicle was not repaired. The manufacturer had not been informed of the failure. The failure mileage was approximately 132,000.
MERCEDES-BENZ C300 (2009) — WHEELS Oct 17, 2022
Incident date: Oct 3, 2022
I bought this car for my 18 year old son based on Mercedes reputation for safety and longevity, only to discover that Mercedes has a widely acknowledged issue with rotted sub-frames -- it's a serious safety issue and recalled in other countries. My son was was driving on the highway and the tire exploded. He was so close to being killed because the car went out of control. After getting it towed ... Read more
MERCEDES-BENZ C300 (2009) — STRUCTURE:BODY Oct 17, 2022
Incident date: Oct 3, 2022
I bought this car for my 18 year old son based on Mercedes reputation for safety and longevity, only to discover that Mercedes has a widely acknowledged issue with rotted sub-frames -- it's a serious safety issue and recalled in other countries. My son was was driving on the highway and the tire exploded. He was so close to being killed because the car went out of control. After getting it towed ... Read more
MERCEDES-BENZ C300 (2009) — SUSPENSION Oct 17, 2022
Incident date: Oct 3, 2022
I bought this car for my 18 year old son based on Mercedes reputation for safety and longevity, only to discover that Mercedes has a widely acknowledged issue with rotted sub-frames -- it's a serious safety issue and recalled in other countries. My son was was driving on the highway and the tire exploded. He was so close to being killed because the car went out of control. After getting it towed ... Read more
MERCEDES-BENZ GL450 (2007) — POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM) Oct 17, 2022
Incident date: Sep 17, 2020
The contact owns a 2007 Mercedes-Benz GL450. The contact stated that while driving at an undisclosed speed, the transmission slipped and failed to shift into the intended gear. The vehicle was towed to the dealer where it was diagnosed with transmission failure. The dealer replaced the transmission control module. The manufacturer was made aware of the failure. The failure mileage was approximatel... Read more
MERCEDES-BENZ C300 (2012) — SUSPENSION Oct 17, 2022
Incident date: Oct 13, 2022
The contact owns a 2012 Mercedes-Benz C300. The contact stated that upon parking the vehicle at the dealer parking lot, she heard abnormal sounds coming from the rear of the vehicle. There was no warning light illuminated. The dealer diagnosed that the rear subframe was severely corroded and the rear control arm was detaching from the subframe. The dealer diagnosed that the subframe needed to be r... Read more
MERCEDES-BENZ C 300 (2022) — ELECTRICAL SYSTEM Oct 17, 2022
Incident date: Oct 17, 2022
The contact owns a 2022 Mercedes-Benz C300. The contact received notification of NHTSA Campaign Number: 22V678000 (Electrical System) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue. The manufacturer was made aware of the issue. The contac... Read more
MERCEDES-BENZ C300 (2016) — SERVICE BRAKES Oct 17, 2022
Incident date: Sep 1, 2022
Crankcase ventillation valve assembly needs replacement
MERCEDES-BENZ C300 (2016) — UNKNOWN OR OTHER Oct 17, 2022
Incident date: Sep 1, 2022
Crankcase ventillation valve assembly needs replacement
MERCEDES-BENZ AMG GLE53 (2022) — STEERING Oct 16, 2022
Incident date: Sep 23, 2022
While driving with Active Cruise Control (Distronic) and with Lane Keep Assist off and Active Lane Change Assist off, the car would forcefully and suddenly try and steer me back into my lane while performing a lane change while using the blinker. It happens randomly and abruptly. Most lane changes occur without issue and there are no obstructions or other warnings that occur during these incidenc... Read more
MERCEDES-BENZ AMG GLE53 (2022) — LANE DEPARTURE: ASSIST Oct 16, 2022
Incident date: Sep 23, 2022
While driving with Active Cruise Control (Distronic) and with Lane Keep Assist off and Active Lane Change Assist off, the car would forcefully and suddenly try and steer me back into my lane while performing a lane change while using the blinker. It happens randomly and abruptly. Most lane changes occur without issue and there are no obstructions or other warnings that occur during these incidenc... Read more
MERCEDES-BENZ AMG GLE53 (2022) — FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL Oct 16, 2022
Incident date: Sep 23, 2022
While driving with Active Cruise Control (Distronic) and with Lane Keep Assist off and Active Lane Change Assist off, the car would forcefully and suddenly try and steer me back into my lane while performing a lane change while using the blinker. It happens randomly and abruptly. Most lane changes occur without issue and there are no obstructions or other warnings that occur during these incidenc... Read more
MERCEDES-BENZ GLK350 (2010) — SERVICE BRAKES Oct 16, 2022
Incident date: Oct 5, 2022
On 10/5/22, my wife was driving her 2010 GLK 350 to work, suddenly she felt the break pedal was going deep inside easily and noticed break fluid light warning sign in dashboard. She was scared to drive and slowly drove car to Mercedes authorized technician. After diagnosis, MB technician said the issue in not just on break fluid leaks but the entire breaking system is failing due to rear subframe ... Read more
MERCEDES-BENZ GLK350 (2010) — SUSPENSION Oct 16, 2022
Incident date: Oct 5, 2022
On 10/5/22, my wife was driving her 2010 GLK 350 to work, suddenly she felt the break pedal was going deep inside easily and noticed break fluid light warning sign in dashboard. She was scared to drive and slowly drove car to Mercedes authorized technician. After diagnosis, MB technician said the issue in not just on break fluid leaks but the entire breaking system is failing due to rear subframe ... Read more
MERCEDES-BENZ C350 (2011) — AIR BAGS Oct 16, 2022
Incident date: Oct 3, 2022
There was a recall on airbags on this model the C350 2011 and the airbag is now back on
MERCEDES-BENZ C300 (2011) — SUSPENSION Oct 16, 2022
Incident date: Oct 9, 2022
What component or system failed or malfunctioned, and is it available for inspection upon request? Rear subframe has rusted out and left side arm has separated- my car has been routinely maintained and primarily housed in garaged parking. It does not have a history of flood or water damage. How was your safety or the safety of others put at risk? My steering and breaking was impacted even at low... Read more
MERCEDES-BENZ C250 (2013) — SUSPENSION Oct 15, 2022
Incident date: Oct 14, 2022
Rear subframe rusted through. This is a safety issue. The driver side is rusted through but not other. This a design flaw and Mercedes Benz should have recall. Many other people have reported this problem. I have serviced my vehicle via the MB dealership since owning the car. The only owner. No one told about the rust issue for years. I was recently just told recently. This is dangerous and will c... Read more
MERCEDES-BENZ C300 (2013) — SUSPENSION Oct 14, 2022
Incident date: Oct 10, 2022
The rear suspension frame was rusted, and the suspension rusted off the frame through normal wear and tear (no potholes, incidents, etc). Left side rusted off, Right side is on its way. Brake distance was increased and suddenly braking on the highway resulted in back of car swerving slightly, almost hit a truck that suddenly merged into my lane. This was discovered during an MD state inspection... Read more
MERCEDES-BENZ C300 (2009) — EXTERIOR LIGHTING Oct 14, 2022
Incident date: Sep 14, 2022
The contact owns a 2009 Mercedes-Benz C300. The contact stated while driving at an unknown speed, several unknown warning lights illuminated. The vehicle was taken to the dealer where it was diagnosed that the connector for the rear taillights was melted into the bulk assembly mount and needed to be replaced. The contact was then informed by the dealer of NHTSA Campaign Number: 14V177000 (Exterior... Read more
MERCEDES-BENZ ML320 (2007) — SERVICE BRAKES Oct 13, 2022
Incident date: Oct 13, 2022
Premature line corrosion on all of the steel hard lines. The brake lines are corroded and blistered and one of the lines are leaking fluid.
MERCEDES-BENZ C300 (2013) — SUSPENSION Oct 13, 2022
Incident date: Sep 22, 2022
The contact owns a 2013 Mercedes-Benz C300. The contact stated while driving approximately 65 MPH, the vehicle started shuddering inadvertently, almost causing the contact to lose control of the steering wheel. The contact was able to veer to the side of the road. The vehicle was towed to a certified independent mechanic who diagnosed that the driver's side rear subframe was severely corroded and... Read more
MERCEDES-BENZ C250 (2012) — ENGINE Oct 13, 2022
Incident date: Oct 13, 2022
Faulty camshaft adjusters creating timing chain to stretch and tensioners to fail , causing excessive wear to the crankshaft and wear of the teeth resulting in catastrophic damage and complete engine failure ( I have not replaced this timing chain or camshaft adjuster yet but i can hear the timing chain rattling from the defective parts from manufacturer. )
MERCEDES-BENZ SPRINTER 2500 (2020) — SERVICE BRAKES Oct 13, 2022
Incident date: Mar 2, 2022
The vehicle was put into parked and somehow disengage itself from parked and rolled into a house.
Crash
MERCEDES-BENZ SPRINTER 2500 (2020) — PARKING BRAKE Oct 13, 2022
Incident date: Mar 2, 2022
The vehicle was put into parked and somehow disengage itself from parked and rolled into a house.
Crash
MERCEDES-BENZ SPRINTER 2500 (2020) — POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:CVT:ACTUATORS Oct 13, 2022
Incident date: Mar 2, 2022
The vehicle was put into parked and somehow disengage itself from parked and rolled into a house.
Crash
MERCEDES-BENZ GLC300 (2016) — ENGINE Oct 13, 2022
Incident date: Jul 15, 2022
Got the MIL obd2 error code P052E - Positive Crankcase Ventilation Regulator Valve Performance. After some research this seems to be a common issue for this vehicle and other similar Mercedes Benz vehicles with the same engine. It is something that it is extremely expensive to fix (+$1500) and very labor intensive. I believe that Mercedes Benz should recall these vehicles and replace the Intak... Read more
MERCEDES-BENZ GLB 250 (2020) — FUEL SYSTEM, GASOLINE Oct 13, 2022
Incident date: Sep 5, 2022
The contact owns a 2020 Mercedes-Benz GLB250. The contact stated while driving at approximately 30 MPH the vehicle had started shaking as if the engine was going to stall. The contact stated the check engine light was illuminated. The contact pulled over and stopped the vehicle, when she restarted the vehicle it had stopped shaking. The contact stated that the vehicle failure had been intermittent... Read more
MERCEDES-BENZ C300 (2012) — STRUCTURE:BODY Oct 12, 2022
Incident date: Oct 12, 2022
Rear Subframe Cracking in Mercedes Benz 2012, C- Class, Sports. It can be life threatening for driver and passengers. Cost is $5700 for repairs. This replacement is free in Europe and Canada.
MERCEDES-BENZ C300 (2012) — SUSPENSION Oct 12, 2022
Incident date: Oct 12, 2022
Rear Subframe Cracking in Mercedes Benz 2012, C- Class, Sports. It can be life threatening for driver and passengers. Cost is $5700 for repairs. This replacement is free in Europe and Canada.
MERCEDES-BENZ C300 (2016) — ENGINE Oct 12, 2022
Incident date: Oct 12, 2022
Check engine light code P052E
MERCEDES-BENZ ML350 (2011) — SERVICE BRAKES, HYDRAULIC Oct 11, 2022
Incident date: Oct 11, 2022
The contact owns a 2011 Mercedes-Benz ML350. The contact stated that the dealer performed NHTSA Campaign Number: 22V315000 (Service Brakes, Hydraulic) however, the failure occurred after the recall was performed. The contact stated that while driving at an undisclosed speed, she had to stand up in her seat while depressing the brake pedal to stop the vehicle. The brake warning light was illuminate... Read more
MERCEDES-BENZ GLK350 (2010) — SUSPENSION Oct 11, 2022
Incident date: Oct 11, 2022
The cross beam-in the rear are completely rusted out as are the brake lines. I had this vehicle from brand new and there isn’t any rust except for there.This problem has happened in Canada and other countries. Mercedes’ Benz has recalled it there and not in the United States. I stope to a representative at Mercedes Benz and she said they were aware of the problem and said it would be the next ... Read more
MERCEDES-BENZ C300 (2010) — SUSPENSION:SUBFRAME/MOUNTING BRACKET Oct 11, 2022
Incident date: Sep 18, 2022
The contact owns a 2010 Mercedes-Benz C300. The contact stated that their wife was driving approximately 60 mph when there was a strange noise coming from the vehicle as well as a shaking sensation. The driver pulled over to the side of the road where the vehicle was towed to their place of work. The vehicle was inspected by the tow truck mechanic who stated that the rear-sub frame had severe rust... Read more
MERCEDES-BENZ C300 (2010) — ELECTRICAL SYSTEM Oct 11, 2022
Incident date: Jul 19, 2022
Power Seat Button Failed.
MERCEDES-BENZ C300 (2010) — SEATS Oct 11, 2022
Incident date: Jul 19, 2022
Power Seat Button Failed.
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