2016 Mazda MAZDA6 problems & reliability
76 owner complaints filed with NHTSA for the 2016 Mazda MAZDA6, alongside 1 safety recall campaign. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
6 complaints report injuries (8 injured).
Federal crash records (FARS 2020–2023): 2016 Mazda MAZDA6 vehicles were involved in 39 fatal crashes with 20 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Electrical System → | 11 | 14% |
| Service Brakes → | 11 | 14% |
| Unknown OR Other | 11 | 14% |
| Power Train → | 10 | 13% |
| Seats | 9 | 12% |
| Engine | 7 | 9% |
| Vehicle Speed Control | 7 | 9% |
| Air Bags | 6 | 8% |
| Steering | 6 | 8% |
| Structure | 5 | 7% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 30,000 miles (middle 50% between 9,150 and 59,200 miles), based on 50 complaints that included mileage.
Complaints by incident year
What owners report
“The front CV axles on my car have failed. It begun with a clicking noise and vibration when accelerating. I took the car to the Mazda dealership, and they confirmed the sounds but said they weren't able to diagnose the issue and that I would have to leave my car for them to figure it out. This places my daughter and…”
Power Train · filed May 19, 2026
“The vehicle exhibits dangerous electronic malfunctions. A licensed technician (MV-113255) has confirmed a sporadic unintended acceleration defect where the cruise control 'decrease' button causes the vehicle to increase speed. Additionally, the vehicle repeatedly enters 'Limp Mode' in active traffic, causing a violent…”
Vehicle Speed Control · filed Apr 22, 2026
“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…”
Electrical System · filed Oct 21, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
669 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2016 Mazda MAZDA6. The 10 most recent:
This SA supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-061/25 12/17/25 DESCRIPTION If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s)…
SA-041-26 · Service Bulletin/Repair Instructions · issued Jun 19, 2026
This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red. 01-008/23 06/05/23 Some vehicles may exhibit rattling noises from the engine compartment and oil leakage from the…
01-008-26 · Service Bulletin/Repair Instructions · issued May 1, 2026
DESCRIPTION Some vehicles may require the replacement of a damaged VIN plate or vehicle certification label. To obtain a replacement VIN plate (bulkhead-mounted and visible through the lower-left area of the…
SA-031-26 · Service Bulletin/Repair Instructions · issued Apr 30, 2026
This Service Alert supersedes the previously issued SA listed below: The changes are noted in Red. SA-011/24 02/12/24, 06/06/24, 07/29/24 DESCRIPTION Mazda has developed factory recommended scheduled maintenance…
SA-029-26 · Service Bulletin/Repair Instructions · issued Apr 21, 2026
This Service Alert supersedes the previously issued M-Tip(s) listed below. The changes are noted in Red text. MT-002/19 09/30/19 and 12/19/19 DESCRIPTION If an engine assembly is replaced after a catastrophic internal…
SA-026-26 · Service Bulletin/Repair Instructions · issued Apr 16, 2026
This Service Alert supersedes the previously issued SAs and bulletin(s) listed below: The changes are noted below in red. SA-010/23 02/09/23 DESCRIPTION Some customers may experience one or more electrical malfunctions…
SA-021-26 · Service Bulletin/Repair Instructions · issued Apr 4, 2026
There are currently 2 methods for cutting a new auxiliary key blank. A. Auxiliary Key Trace Cut Method • B. Auxiliary Key Code Cut Method 2019 and newer models require a 10-digit key code to accurately cut keys •…
SA-005-26 · Service Bulletin/Repair Instructions · issued Jan 26, 2026
Some customers may report an odor or water in the HVAC system and upon inspection, the cabin air filter may be found to be wet.
SA-001-26 · Service Bulletin/Repair Instructions · issued Jan 5, 2026
If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...), interview the customer before proceeding with normal MGSS diagnosis by asking if any aftermarket devices have been…
SA-061-25 · Service Bulletin/Repair Instructions · issued Dec 17, 2025
A musty/mildew type odor may come from the vents when the air conditioning (A/C) system is operating. It is most noticeable when the A/C is first turned ON. This odor is the result of mold growth in the A/C…
07-004-25a · Service Bulletin/Repair Instructions · issued Dec 10, 2025
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2016 Mazda MAZDA6 has 1 NHTSA recall campaign — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2016 Mazda MAZDA6?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 30,000 miles — budget accordingly if the car is approaching that mileage.