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ProblemsByVin Index / 2016-MAZDA-MAZDA6 / COMPLAINTS
Full complaint record · NHTSA

2016 Mazda Mazda6 owner complaints

76 complaints filed with NHTSA on this vehicle , including 3 reporting a crash, fire, injury, or fatality. Showing the 300 most recent — grouped by category for scanning.

other 5 complaints shown

12/17/2018 70,000 mi ODI #11161979.0

Tl* the contact owns a 2016 Mazda 6. In temperatures below 45 degrees, the emergency brake indicator would remain illuminated after starting the vehicle. Also, while driving, the emergency brake indicator would sometimes illuminate. The failure was not diagnosed or repaired. The local dealer (matt castrucci Mazda, 3013 mall park dr, dayton, oh) and the manufacturer were notified of the failure. The VIN was not available. The failure mileage was 70,000.

12/09/2024 ODI #11629784.0

Fuel smell in & outside of vehicle after fuel fill, being a retired Master Technician I decided to investigate this and after removing the the fuel tank access door under the rear seat I was shocked to see that on an 8 year old vehicle the fuel sender retainer is completely rusted out. An overfill, an aggressive maneuver or small collision could prove disastrous with this condition pending! I have just ordered a replacement since I intend to repair this myself and that is only of the tank itself is not compromised when I proceed to remove the rusted out screws as well. Also after further investigation I find this is nothing new to Mazda and actually had this same condition in previous years but I assume chose not to prevent it from happening in future models. I will be attaching a photo o

12/08/2015 8,900 mi ODI #10809030.0

The sunroof in my car exploded and partially shattered while parked in my work's parking lot. Glass was all over the exterior and interior of the car. What glass was left had cracked completely and was unstable. I was able to get the car to my local Mazda dealer and they are replacing it under warranty.

11/18/2022 75,000 mi ODI #11494079.0

The contact owns a 2016 Mazda Mazda6. The contact stated that upon starting the vehicle and shifting into drive(D) or reverse(R), the vehicle failed to move. The electronic parking brake warning light was illuminated. The contact stated that he turned off and restarted the vehicle, deactivated the electronic parking brake, and forcefully depressed the accelerator pedal; however, the failure persisted. The dealer was notified of the failure and informed the contact that he had to pay to repair the vehicle since the VIN was not included in NHTSA Campaign Number: 17V393000 (Parking Brake). The vehicle was not diagnosed or repaired. The contact was in the process of towing the vehicle to the dealer. The manufacturer was notified of the failure and informed the contact that they could not assis

10/16/2016 ODI #10916379.0

The way the headrest is positioned, I constantly have neck pains while I drive. If I drive longer than 1 hour, than the pain lasts for days.

brakes 2 complaints shown

6 total in this category · severe · avg repair $450 · see brakes cluster analysis →
12/21/2017 Crash ODI #11055928.0

Twice now the electronic emergency break seems to have disengaged randomly minutes after I walked away from the vehicle

11/02/2020 43,000 mi ODI #11372586.0

Emergency parking break light randomly comes on it when driving. If I attempt to engage parking brake in order for me to disengage it requires that I put my seatbelt on and have doors lock then put car in drive to take break off. But light still remains on.

body 2 complaints shown

4 total in this category · severe · avg repair $1,500 · see body cluster analysis →
12/21/2015 6,800 mi Crash ODI #10811562.0

I have a 2016 Mazda 6 gt with stock 19" dunlop tires. I bought the car with around 80 miles & at the time of the incident was around 6800 miles. I was traveling to work going around 72 MPH & the left rear tire blewout causing an accident on the interstate. Tires should not blowout that quickly with proper care of the vehicle. The tire tread wore too fast.

11/05/2015 ODI #10788612.0

Mazda has cramped vent duct, speaker, ac duct and front display on to of the dashboard at the driver side. Reflection from all these make the driving very difficult. I have talk to the Mazda customer service and my dealer. They are not interested in listening to my complaint. There message is they can not do anything about it. I have bought the car and its done. Its a safety hazard and accident is bound to happen. We have to take action before something happens

cruise control 2 complaints shown

5 total in this category · severe · avg repair $600 · see cruise control cluster analysis →
12/17/2018 65,000 mi ODI #11162009.0

Tl* the contact owns a 2016 Mazda 6. While driving 55 MPH, the cruise control engaged and would not turn off. Lester raines Mazda (5035 maccorkle ave sw, south charleston, wv 25309, (304) 768-1251) informed the contact to disconnect the negative battery terminal to reset the computer. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 65,000. *dt consumer stated while driving at 55mph cruise control was engaged but cruise control malfunctioned. Only when the brake pedal depressed did it cancel. *jb

10/22/2015 2,483 mi Crash ODI #10785455.0

I was about to park the car in a parking spot in a mall. It was crawling speed and almost about to stop. Then the car suddenly surged forward and went over the curb on to the other side. Thankfully there was no other vehicle or person on the other side. I was holding tight the steering wheel. My husband pulled the electronic parking break button and the car finally came to a stop. Tires were burst on running over and there was damage to front left side of car. I believe this could be an issue of unintended acceleration.

engine 2 complaints shown

3 total in this category · moderate · avg repair $3,100 · see engine cluster analysis →
12/05/2023 ODI #11558470.0

There is a bearing in the crankshaft that looks like it’s not up to spec. No warning lights came on, car suddenly lost power on the highway. Fortunately no one was injured though it was a very scary situation. Mechanic took a look inside the engine and said a main bearing stud broke off and busted a hole through the short block. He said I’m lucky the engine didn’t turn into a grenade. Upon looking up the failure many other people have had the same issue with this engine. The exact same failure on the exact same bolt. Here are some links to some posts: [XXX] [XXX] [XXX] [XXX] Clearly I’m not the only one with this issue, and there are more examples of the same problem that you can find online through out different Mazda models that use the same engine. I can definitely have the ve

11/15/2018 29,549 mi ODI #11151808.0

My car has been showing red check engine light randomly for the lst 3 months. It lasts 24 - 48 hrs, sometimes after oil change. Dealer said nothing to worry about, but I finally took it to autozone who said code was stored as misfire on cylinder 4. Dealer is looking at it now, but always dismissed it before. Now that I know it has to due with a cylinder - why didn't they investigate further? Of course my car is about 2 months out of warranty and 17oo miles as of today.

powertrain 2 complaints shown

9 total in this category · severe · avg repair $2,500 · see powertrain cluster analysis →
11/28/2016 9,000 mi ODI #10928242.0

At around 9000 miles my 2016 Mazda 6 grand touring with tech pkg. Automatic is having transmission delays. When the car stop and the gear lever moved into neutral(n), reverse (r), and park (p) then back to drive (d). It has a 4-5 seconds delay before the gearbox being engaged. Also at 60+ MPH cruising on freeways, when step deeper into the gas pedal to increase speed for overtake the transmission has a choke, felt like the gear was forced into place. *tr

10/08/2016 2,700 mi ODI #10914911.0

I purchased my automatic transmission 2016 Mazda 6 from the dealer as a certified pre-owned vehicle with only 1,800 miles on it. I had the vehicle for only a week when I started to run into issue. The result was a new transmission for my car at only ~2,700 miles. The transmission was slipping which made driving and acceleration unsafe. When I would come to a complete stop for a few seconds at an intersection, after releasing the break pedal, there would be a slight delay before my car kicked into first gear. The car would stall a bit and then it would kick forward very abruptly. The issue would also occur when I would shift my car from reverse to drive. The car would continue to roll in reverse a little bit after I've shifted to drive, then it would stall and kick forward very abruptly.

electrical 2 complaints shown

9 total in this category · moderate · avg repair $850 · see electrical cluster analysis →
11/13/2019 42,200 mi ODI #11279819.0

This Mazda 6 model is equipped with a video display screen mounted on the dashboard that operates the radio, communication, and most importantly, the view projected by the rear view camera. Upon ignition, the screen operates for about 30 seconds and then goes dark and shuts down. The rear view safety feature is disabled thereby jeopardizing public safety. The screen shuts down whether the vehicle is moving or stationery, on the street or in the garage. I notified the Mazda customer experience center, by letter, of the problem, but got no answer.

10/21/2025 113,500 mi ODI #11694675.0

The contact owns a 2016 Mazda Mazda6. The contact stated that after her husband had driven for approximately 2 hours with the seat heater activated, the passenger’s side seat overheated, and the seat started smoking. The driver stated that the seat heating element overheated and burned a hole in the seat, damaging the air bag located near the seat heater sensor. The dealer was contacted, and an appointment was scheduled. The vehicle was not diagnosed or repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 113,500.

suspension 1 complaint shown

3 total in this category · moderate · avg repair $900 · see suspension cluster analysis →
12/13/2017 15,000 mi ODI #11054395.0

Front end creak sound under 25 MPH over. Exactly like the 1 other complaint I just read... Similiar VIN# 's too. I.e. When turning and going straight while entering a sloped entry of driveway or other entry access similar. Or going over a speed bump slowly. There is a cricking sound. Almost as if something is broken or missing in front end. My car has only 15000 miles on it! Dealer has 1 master tech. Parts took 3 weeks to arrive after they told me 4 business days.

tires 1 complaint shown

12/02/2024 ODI #11628289.0

I bought the Bridgestone tires in Sept 2023 from Walmart. On Nov 23, 2024, I went to Walmart auto center to have 4 Bridgestone tires rotated and balanced. The tech discovered severe bead separation in 3 of 4 tires. I had to buy 4 new tires. I have pictures of the tires with bead separation on the wheel rims and also off the rims.

steering 1 complaint shown

6 total in this category · severe · avg repair $700 · see steering cluster analysis →
10/28/2019 21,585 mi ODI #11271621.0

Clunk noise driving on city street, on driver's side when wheels are fully turned to the left and when car is stationary and right before accelerating. Service advisor from the repair shop informed me not to drive the car because it is not safe and may cause an accident. The manufacturer warranty is no longer effective and it expired 2018. The invoice total is $901.25, parts cost is $83.34 labor of $809.99 + tax. Called Mazda's 800 number and informed if manufacturer defect is my recourse with no avail. I am reaching out to nhtsb if other Mazda owners have encounter the same problem and avoid future costly expense for senior citizens. I feel that since it is a manufacturer's defect, as attested to by the service advisor and Mazda hotline representative, the least they could do is cover

Showing 300 of 76 total complaints. The full federal record is available at nhtsa.gov/vehicle/2016/Mazda/Mazda6#complaints.
Source: National Highway Traffic Safety Administration (NHTSA) owner complaint database. Last synced 2026-06-14. Complaints are owner-submitted and unverified — the existence of a complaint is not proof of a defect, but a pattern of complaints around the same component is a signal worth weighing. Verify any specific filing at nhtsa.gov.
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