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 SPRINTER (VS30) (2020) — VEHICLE SPEED CONTROL Sep 20, 2022
Incident date: Feb 3, 2022
When the object proximity sensors in the front or rear bumpers detect an object, the vehicle completely or severely limits the throttle. For instance, the rear bumper sensors detect the bike rack attached to my van and therefore limit the throttle response, regardless of transmission direction (forward or reverse). This seems to happen intermittently. When I mute the bumper sensor’s warning by t... Read more
MERCEDES-BENZ SPRINTER (VS30) (2020) — BACK OVER PREVENTION: WARNINGS Sep 20, 2022
Incident date: Feb 3, 2022
When the object proximity sensors in the front or rear bumpers detect an object, the vehicle completely or severely limits the throttle. For instance, the rear bumper sensors detect the bike rack attached to my van and therefore limit the throttle response, regardless of transmission direction (forward or reverse). This seems to happen intermittently. When I mute the bumper sensor’s warning by t... Read more
MERCEDES-BENZ E350 (2014) — ELECTRICAL SYSTEM Sep 20, 2022
Incident date: Apr 21, 2021
There have been three events, all the same. Each time a speaker in a door, while driving, has began to squeal, sputter and the smoke. The first occurred while sitting inside a car wash, with the windows up, obviously. I was able to open the window, drenching myself, but venting the acrid electrical smoke. The second was while driving home from a medical clinic. The third was while driving on ... Read more
Crash Fire
MERCEDES-BENZ GLC 300 (2019) — ELECTRICAL SYSTEM Sep 19, 2022
Incident date: Aug 16, 2022
The command system keeps turning off and rebooting while driving. Sometime it makes the rear camera don’t work(blackout), auto on/off does not work, it happens about every two minutes making it dangerous.
MERCEDES-BENZ C300 (2016) — ENGINE Sep 19, 2022
Incident date: Sep 1, 2022
Crank case to be replaced.
MERCEDES-BENZ SPRINTER 2500 (2021) — ENGINE Sep 19, 2022
Incident date: Jul 14, 2022
At altitudes of over 5,000’ MSL the vehicle will not move when shifted into Drive or Reverse. No response from gas pedal. Vehicle will randomly hesitate with zero or poor throttle response when driving creating an extreme safety hazard.
MERCEDES-BENZ SPRINTER 2500 (2021) — FUEL/PROPULSION SYSTEM Sep 19, 2022
Incident date: Jul 14, 2022
At altitudes of over 5,000’ MSL the vehicle will not move when shifted into Drive or Reverse. No response from gas pedal. Vehicle will randomly hesitate with zero or poor throttle response when driving creating an extreme safety hazard.
MERCEDES-BENZ SPRINTER 2500 (2021) — POWER TRAIN Sep 19, 2022
Incident date: Jul 14, 2022
At altitudes of over 5,000’ MSL the vehicle will not move when shifted into Drive or Reverse. No response from gas pedal. Vehicle will randomly hesitate with zero or poor throttle response when driving creating an extreme safety hazard.
MERCEDES-BENZ C300 (2013) — UNKNOWN OR OTHER Sep 19, 2022
Incident date: Sep 14, 2022
Brought my car to the dealership because I was hearing a noise when going over bumps. Also noticed some instability when braking and driving at highway speeds. Dealer informed my my subframe had rusted and told me the car was unsafe to drive.
MERCEDES-BENZ C300 (2013) — SUSPENSION Sep 19, 2022
Incident date: Sep 14, 2022
Brought my car to the dealership because I was hearing a noise when going over bumps. Also noticed some instability when braking and driving at highway speeds. Dealer informed my my subframe had rusted and told me the car was unsafe to drive.
MERCEDES-BENZ C300 (2012) — SUSPENSION Sep 19, 2022
Incident date: Sep 12, 2022
Diagnosed with broken rear sub frame: "Broken rear sub frame, left side lower link is broken off and contacting Fuel Tank. Rear tires are also bald and care is unsafe to drive". Recall in Canada, but not USA. Sub frames on backorder until January 2023. I have three years of payment left, and am now being quoted 6,300 from the MB Service Ctr in Wilmington DE to fix this problem. Again, the ... Read more
MERCEDES-BENZ C300 (2009) — SUSPENSION:SUBFRAME/MOUNTING BRACKET Sep 19, 2022
Incident date: Sep 19, 2022
The contact owns a 2009 Mercedes-Benz C300. The contact stated that while her husband was driving at an undisclosed speed, the vehicle swayed on the roadway. The vehicle was taken to an independent mechanic who diagnosed that the rear subframe was corroded and needed to be replaced. The mechanic contacted the dealer to order the replacement part and was informed by the dealer that there was a reca... Read more
MERCEDES-BENZ C300 (2009) — STRUCTURE:FRAME AND MEMBERS Sep 19, 2022
Incident date: Sep 19, 2022
The contact owns a 2009 Mercedes-Benz C300. The contact stated that while her husband was driving at an undisclosed speed, the vehicle swayed on the roadway. The vehicle was taken to an independent mechanic who diagnosed that the rear subframe was corroded and needed to be replaced. The mechanic contacted the dealer to order the replacement part and was informed by the dealer that there was a reca... Read more
MERCEDES-BENZ GLC 300 (2021) — UNKNOWN OR OTHER Sep 18, 2022
Incident date: Feb 8, 2022
The HVAC system has a very had odor that could impact our respiratory health, and giving us headaches when we drive. I wanted to share with you my current situation that I believe relates to the Mercedes HVAC Class Action Settlement (https://www.mercedeshvacsettlement.com/). My 2021 GLC300 Mercedes is experiencing exact same issues as described in the Mercedes HVAC Class Action Settlement even t... Read more
MERCEDES-BENZ SL500 (2009) — STRUCTURE:BODY Sep 18, 2022
Incident date: Sep 17, 2022
Yesterday 9/17/2022, while driving my 2009 Mercedes-Benz SL550 on the expressway with my wife as passenger, we heard and felt a very loud explosion. Shattered glass was entering the vehicle. I managed to pull off the expressway at the next exit. The retractable hardtop panoramic glass roof had exploded. Shattered glass fragments were all over the vehicle interior. Glass fragments also damaged th... Read more
MERCEDES-BENZ SL500 (2009) — VISIBILITY/WIPER Sep 18, 2022
Incident date: Sep 17, 2022
Yesterday 9/17/2022, while driving my 2009 Mercedes-Benz SL550 on the expressway with my wife as passenger, we heard and felt a very loud explosion. Shattered glass was entering the vehicle. I managed to pull off the expressway at the next exit. The retractable hardtop panoramic glass roof had exploded. Shattered glass fragments were all over the vehicle interior. Glass fragments also damaged th... Read more
MERCEDES-BENZ E500 (2007) — FUEL/PROPULSION SYSTEM Sep 18, 2022
Incident date: Jul 4, 2022
I HAVE A SMELL OF FUEL ON THE REAR DRIVER-SIDE WHEEL. SEEMS LIKE THERE IS A FUEL LEAK FROM EITHER THE FUEL FILTER MODULE OR IT IS A TANK LEAK. I TOOK OFF THE REAR CUSHION AND WE CAN SEE AND SMELL FUEL VISIBLY ON THE LEFT SIDE UNDER THE SEAT QUESHON AND OVER THE FUEL FILTER MODULE. SEEMS LIKE THERE WAS A SIMILAR PROBLEM WITH THE 2003-2006 E CLASS AND THE 2006 CLS CLASS VEHICLE. I THINK THIS IS A S... Read more
MERCEDES-BENZ C300 (2017) — FUEL/PROPULSION SYSTEM Sep 17, 2022
Incident date: Apr 10, 2022
Please see attached letter: [XXX] Mercedes Benz Crankcase Valve Claim.pdf, repair estimate and other correspondence from Mercedes-Benz. This is an well-known issue where there is a gas lead from the engine where Mercedes insists doesn't pose a safety issue. During cold starts there is a smell of gas in the cabin and this is prevalent in colder climates like New England. Mercedes should make car... Read more
MERCEDES-BENZ CLA250 (2014) — POWER TRAIN Sep 17, 2022
Incident date: Jan 19, 2022
While driving the transmission slips into neutral. Must come to a complete stop and turn off the car then turn it on again to shift into gear.
MERCEDES-BENZ C300 (2015) — STEERING Sep 16, 2022
Incident date: Jun 14, 2022
Failed component: power steering. Mercedes Benz of Princeton did the replacement, but we're not sure if they kept the part. Safety issue: On June 14, 2022, the vehicle’s power steering failed in the middle of a drive (see attachment for the error message). This was a major risk since the car was stuck in the middle of the road, with the steering wheel requiring tremendous force to turn. Luckily... Read more
MERCEDES-BENZ ML350 (2008) — SERVICE BRAKES, HYDRAULIC Sep 16, 2022
Incident date: Sep 16, 2022
The contact owns a 2008 Mercedes-Benz ML350. The contact stated upon taking the vehicle to the dealer for servicing, he was informed that the VIN was included in NHTSA Campaign Number: 22V315000 (Service Brakes, Hydraulic) however, the part to do the recall repair was not yet available. The contact stated that the vehicle remained at the dealer for 2 months. The contact later received the recall n... Read more
MERCEDES-BENZ C300 (2012) — UNKNOWN OR OTHER Sep 16, 2022
Incident date: Sep 1, 2022
The W204 subframe of my Mercedes Benz C Class is failing and in need of repair, this should not be happening to a car with less than 80K miles on it. My local auto repair shop which exclusively services Mercedes Benz currently has two vehicles with the same issue and informed me that the subframe part is currently out of stock due to the number of failures. This issue has caused a recall in other ... Read more
MERCEDES-BENZ GLE 350 (2021) — UNKNOWN OR OTHER Sep 16, 2022
Incident date: Sep 7, 2022
There is water ingress on the driver side front door/seat area. There are growing water stains and a mildew smell. We are concerned the water ingress could cause and electrical issue and fire.
MERCEDES-BENZ GLC300 (2016) — FUEL/PROPULSION SYSTEM Sep 16, 2022
Incident date: Sep 16, 2022
The vehicle needs a new PCV Valve / hose, as well as a new turbo charger
MERCEDES-BENZ C300 (2011) — SUSPENSION Sep 15, 2022
Incident date: Aug 15, 2022
Rear subframe rusted to the point car is not drivable
MERCEDES-BENZ C300 (2011) — STRUCTURE:BODY Sep 15, 2022
Incident date: Aug 15, 2022
Rear subframe rusted to the point car is not drivable
MERCEDES-BENZ AMG CLS55 (2006) — ELECTRICAL SYSTEM Sep 15, 2022
Incident date: Sep 15, 2021
The contact owns a 2006 Mercedes Benz CLS55. The contact stated that upon starting the vehicle, the battery warning light, check engine warning light, and other unknown warning lights were illuminated. The contact stated that he turned off and restarted the vehicle several times in order to clear the warning lights. However, the failure persisted. Additionally, the contact stated that while at the... Read more
MERCEDES-BENZ E320 (2003) — ELECTRICAL SYSTEM Sep 15, 2022
Incident date: May 15, 2022
Everytime I get in my car, the battery is dead! I have purchased several brand new batteries, and the same thing! I purchased a new battery, and my wife and I went on vacation, and as we was headed back home, we began to smell a real foul oder! We stop to the gas station, and looked everywhere, but didn't see anything! As we continue to drive, and turned in the drive way the battery light ca... Read more
MERCEDES-BENZ EQS 580 (2022) — WHEELS Sep 15, 2022
Incident date: Sep 14, 2022
THE CAR WAS DELIVERED WITH BRIDGESTONE 265/40R21 XL TURANZA TIRE AND WITH LESS THAN 200 MI. I WAS TOLD THAT THERE IS A BUBBLE ON THE SIDE WALL . WE WERE INFORMED THAT THERE WERE OTHERS WITH THE SAME PROBLEM . I AM BRINGING THIS TO YOUR ATTENTION B/4 THERE ARE MAJOR ACCIDENTS INVOLVED . THANK ING YOU IN ADVANCE TO LOOK INTO THIS
MERCEDES-BENZ CLS550 (2007) — ELECTRICAL SYSTEM:WIRING:SWITCHES/KNOBS/BUTTONS Sep 15, 2022
Incident date: Sep 1, 2020
Drained Battery everyday.
MERCEDES-BENZ S 580 (2022) — FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING Sep 14, 2022
Incident date: Sep 14, 2022
I was going at 70 miles without any car in the front and abruptly the break assistant activate , that happened twice , yesterday and today , and I am scare because instead of prevent an accident it will be causing one
MERCEDES-BENZ C300 (2016) — SERVICE BRAKES Sep 14, 2022
Incident date: Sep 9, 2022
I have a 2016 C300 that was diagnosed with a severe brake booster issue. Last week, I had to brake hard while traveling 65 mph on a highway and they failed; luckily I was able to avoid catastrophe by maneuvering around the obstacle. I researched to see if this was a known issue and learned that some Mercedes models between 2008-2012 had recalls due to brake booster corrosion issues, but Mercedes ... Read more
MERCEDES-BENZ E550 (2010) — STRUCTURE:BODY Sep 14, 2022
Incident date: Mar 1, 2022
Rear control arm attachment to subframe snapped off at the weld during breaking
MERCEDES-BENZ E550 (2010) — SUSPENSION Sep 14, 2022
Incident date: Mar 1, 2022
Rear control arm attachment to subframe snapped off at the weld during breaking
MERCEDES-BENZ ML350 (2006) — SERVICE BRAKES, HYDRAULIC Sep 14, 2022
Incident date: Jul 27, 2022
The contact owns a 2006 Mercedes-Benz ML350. The contact received notification of NHTSA Campaign Number: 22V315000 (Service Brakes, Hydraulic) however, the recall repair was not performed by the dealer. The contact stated that while driving at an undisclosed speed, the vehicle intermittently experienced phantom braking with the ABS warning light illuminated. Additionally, the brake pedal went to t... Read more
MERCEDES-BENZ ML350 (2006) — FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING Sep 14, 2022
Incident date: Jul 27, 2022
The contact owns a 2006 Mercedes-Benz ML350. The contact received notification of NHTSA Campaign Number: 22V315000 (Service Brakes, Hydraulic) however, the recall repair was not performed by the dealer. The contact stated that while driving at an undisclosed speed, the vehicle intermittently experienced phantom braking with the ABS warning light illuminated. Additionally, the brake pedal went to t... Read more
MERCEDES-BENZ E350 (2013) — STRUCTURE:BODY Sep 14, 2022
Incident date: Aug 30, 2022
Upon routine maintenance visit to manufacturer dealer, was told that rear subframe assembly was corroded and could fail. Took vehicle to other local manufacturer dealer and they confirmed the same. Was able to catch the issue before incident, but was told subframe failure was imminent.
MERCEDES-BENZ E350 (2012) — STRUCTURE:BODY Sep 14, 2022
Incident date: Jul 11, 2022
Recently, I took my 2012 Mercedes E350 4Matic for an oil change and after inspecting the vehicle, I was informed by my mechanic that the car had a rusted sub-frame, with visible holes near the right rear wheel. I was told this needed to be immediately addressed as it was a safety issue. He explained that if not fixed, the wheel could detach from the vehicle while driving and could result in a cr... Read more
MERCEDES-BENZ E350 (2012) — WHEELS Sep 14, 2022
Incident date: Jul 11, 2022
Recently, I took my 2012 Mercedes E350 4Matic for an oil change and after inspecting the vehicle, I was informed by my mechanic that the car had a rusted sub-frame, with visible holes near the right rear wheel. I was told this needed to be immediately addressed as it was a safety issue. He explained that if not fixed, the wheel could detach from the vehicle while driving and could result in a cr... Read more
MERCEDES-BENZ C300 (2011) — STRUCTURE:BODY Sep 14, 2022
Incident date: Sep 14, 2022
--the rear subframe is severely rusted at 2 spots where the suspension and the body come together. If hit a hard bump or pothole it could break and cause a large safety issue. The rear subframe is $4751.00
MERCEDES-BENZ C300 (2011) — SUSPENSION Sep 14, 2022
Incident date: Sep 14, 2022
--the rear subframe is severely rusted at 2 spots where the suspension and the body come together. If hit a hard bump or pothole it could break and cause a large safety issue. The rear subframe is $4751.00
MERCEDES-BENZ C300 (2013) — STRUCTURE:FRAME AND MEMBERS Sep 14, 2022
Incident date: Sep 12, 2022
The contact owns a 2013 Mercedes-Benz C300. The contact stated that while the vehicle was at the dealer for routine maintenance, the dealer informed him that the subframe was corroded and needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 89,000.
MERCEDES-BENZ C300 (2011) — SUSPENSION Sep 14, 2022
Incident date: Sep 8, 2022
I was driving my C 2011 MB and suddenly when applying the Brakes the car had a severe pull to the left and a loud noise from the rear driver side wheel. I made an appointment with my mechanic to have the issue looked at. There were no warning lights or other symptoms until basically the complete failure of the rear suspension. My mechanic informed me that the rear Subframe of the suspension on ... Read more
MERCEDES-BENZ C300 (2012) — SUSPENSION Sep 14, 2022
Incident date: Sep 3, 2022
The contact owns a 2012 Mercedes-Benz C300. The contact stated while driving 25 MPH going downhill, the rear end of the vehicle shifted independently to the right. The contact stated no warning light was illuminated. The contact was able to continue driving at a slow speed to her destination. The contact stated her husband inspected the vehicle and became aware that the rear subframe cross member ... Read more
MERCEDES-BENZ C300 (2012) — SUSPENSION:SUBFRAME/MOUNTING BRACKET Sep 14, 2022
Incident date: Sep 3, 2022
The contact owns a 2012 Mercedes-Benz C300. The contact stated while driving 25 MPH going downhill, the rear end of the vehicle shifted independently to the right. The contact stated no warning light was illuminated. The contact was able to continue driving at a slow speed to her destination. The contact stated her husband inspected the vehicle and became aware that the rear subframe cross member ... Read more
MERCEDES-BENZ E350 (2012) — FUEL/PROPULSION SYSTEM Sep 13, 2022
Incident date: Aug 20, 2022
The incident was not the vehicle persa but passengers riding in back seat experienced nausea and headaches. Found gas fumes emitting from vehicle. As time progressed fumes got worse and fuel mileage performance worsened. Gas consumption was extremely bad. Car was taken in for oil change and absolutely no gas leaks were found and technician showed me the under carriage of car. Nothing showing on th... Read more
MERCEDES-BENZ C300 (2012) — SUSPENSION Sep 13, 2022
Incident date: Sep 13, 2022
Subframe corroded/rusted out. Car is in excellent condition with no other rust or corrosion. Car has 58,800 miles and regularly maintained by dealer. Took car to TireDiscounter because of noise. Mechanic put car on lift and reviewed corrosion and other damaged cause by failed part. Mechanic called MB service department and was told that parts on 5- 6 months back order because of this issue. Bu... Read more
MERCEDES-BENZ GL450 (2011) — SERVICE BRAKES, HYDRAULIC Sep 13, 2022
Incident date: Sep 2, 2022
The contact owns a 2011 Mercedes-Benz GL450. 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 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. T... Read more
MERCEDES-BENZ ML350 (2014) — EXTERIOR LIGHTING Sep 12, 2022
Incident date: Jan 26, 2022
After driving the car, the right/left turn signal switch fails to work (no signal is given both in the panel of the car and the external turn signal lights do not flash). However, the emergency flashers still work. I have searched the issue and found many occurrences on the Internet. Such a common issue should be a manufacturing quality issue and deserves a recall.
MERCEDES-BENZ ML350 (2014) — STEERING Sep 12, 2022
Incident date: Jan 26, 2022
After driving the car, the right/left turn signal switch fails to work (no signal is given both in the panel of the car and the external turn signal lights do not flash). However, the emergency flashers still work. I have searched the issue and found many occurrences on the Internet. Such a common issue should be a manufacturing quality issue and deserves a recall.
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