AutoUtility currently tracks 10 official NHTSA owner defect complaints for the 2018 Mazda CX-3. Driver Assistance & Safety Tech issues are the most frequently reported category, appearing in 5 complaints (50% of submitted records). Among these NHTSA complaint records, 1 filing cites a crash.

Key Problem Findings
  • Total NHTSA Complaints: 10 reports
  • #1 Reported Problem Area: Driver Assistance & Safety Tech (5 reports • 50% of submitted complaints)
  • Secondary Problem Areas: Electrical System (2), Fuel & Propulsion System (1)
  • Crash-Citing Complaints: 1 filings
  • Fire-Citing Complaints: 0 filings
  • Complaints Reporting Injuries / Fatalities: 0 injury filings • 0 fatality filings
Reporting Methodology: Statistics describe unverified consumer submissions voluntarily filed with NHTSA. Complaint volume is not normalized for vehicle sales volume or miles driven. Multiple components can be cited within a single owner complaint submission.
Total Complaints
10
Submitted to NHTSA ODI
Crash-Citing Complaints
1
Filings citing a collision
Fire-Citing Complaints
0
Filings citing smoke or fire
Complaints Reporting Injuries
0
Filings citing one or more injuries
Complaints Reporting Fatalities
0
Consumer filings citing fatalities

Most Reported Problems for 2018 Mazda CX-3

Top automotive subsystem defect categories ranked by unique owner complaint volume in federal records

#1 Problem Area 50% of complaints

Driver Assistance & Safety Tech

5 owner complaints submitted to NHTSA ODI
⚠️ NHTSA Recall Context

NHTSA records list 1 official safety recall campaign for this model year involving the same broad component area:

*Component overlap means an official recall exists for the same broad vehicle system. It does not establish that an individual owner complaint was caused by, covered by, or resolved through that recall.
⚠️ 1 crash report
#2 Problem Area 20% of complaints

Electrical System

2 owner complaints submitted to NHTSA ODI
✓ 0 crashes or fires cited
#3 Problem Area 10% of complaints

Fuel & Propulsion System

1 owner complaint submitted to NHTSA ODI
✓ 0 crashes or fires cited
#4 Problem Area 10% of complaints

Exterior Lighting

1 owner complaint submitted to NHTSA ODI
✓ 0 crashes or fires cited
#5 Problem Area 10% of complaints

Brakes & Traction Control

1 owner complaint submitted to NHTSA ODI
✓ 0 crashes or fires cited
Domain Share Note: Share percentage represents the proportion of unique complaint filings referencing each vehicle system. Because single complaints may cite multiple systems (such as engine and electrical simultaneously), domain percentages represent individual category incidence and may sum to over 100%.

Recent NHTSA Owner Reports for 2018 Mazda CX-3

Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation

Fuel & Propulsion System NHTSA ODI ID: #11736705
Filed: 05/08/2026

"Fuel injector failed without warning. A lot of fuel leaked into the engine destroying a spark plug in one cylinder and ultimately ruining the catalytic converter when fuel got into it. Independent mechanic and Mazda dealership diagnosed. Car cannot be driven."

Incident Date: 04/16/2026 • Raw NHTSA Component: ENGINE,FUEL/PROPULSION SYSTEM
Driver Assistance & Safety Tech NHTSA ODI ID: #11629810
Filed: 12/10/2024

"The contact owns a 2018 Mazda CX-3. The contact received notification of NHTSA Campaign Number: 23V487000 (Back Over Prevention) however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount..."

Incident Date: 12/10/2024 • Raw NHTSA Component: BACK OVER PREVENTION
Exterior Lighting NHTSA ODI ID: #11577723
Filed: 03/16/2024

"Heavy condensation is occurring inside the driver side headlamp. A quick google search shows this is a common problem among Mazda owners and Mazda will not cover the repair. I am unable to get a Massachusetts state inspection sticker due to this."

Incident Date: 03/16/2024 • Raw NHTSA Component: EXTERIOR LIGHTING
Driver Assistance & Safety Tech NHTSA ODI ID: #11534626
Filed: 07/26/2023

"The contact owns a 2018 Mazda CX3. The contact received notification of NHTSA Campaign Number: 23V487000 (Back Over Prevention) however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The..."

Incident Date: 07/26/2023 • Raw NHTSA Component: BACK OVER PREVENTION
Brakes & Traction Control NHTSA ODI ID: #11504763
Filed: 01/31/2023

"The contact owns a 2018 Mazda CX-3. The contact stated that while driving, the vehicle was moving from left to right. The contact stated that the brakes were making an abnormal scraping sound. There was an abnormal sound coming from the engine. The local dealer was not contacted. There were no..."

Incident Date: 12/23/2022 • Raw NHTSA Component: SUSPENSION,ENGINE,SERVICE BRAKES
Consumer Narrative Notice: Excerpts are sanitized text descriptions submitted by vehicle owners to the federal ODI database. They reflect the reporting consumer's observations at the time of filing and have not been independently confirmed by vehicle manufacturers or government investigators.

Complaint History for Mazda CX-3

Reported defect complaint volume across sibling model years (2016–2026)

Model Year NHTSA Complaints Crash Reports Safety Recalls Detailed Report
2016 Mazda CX-3 48 4 3 View 2016 Problems →
2017 Mazda CX-3 21 2 1 View 2017 Problems →
2018 Mazda CX-3 Current Page 10 1 1 Current
2019 Mazda CX-3 27 1 2 View 2019 Problems →
2020 Mazda CX-3 1 1 1 View 2020 Problems →
2021 Mazda CX-3 4 0 1 View 2021 Problems →
2022 Mazda CX-3 0 0 0 View 2022 Problems →
2023 Mazda CX-3 0 0 0 View 2023 Problems →
2024 Mazda CX-3 0 0 0 View 2024 Problems →
2025 Mazda CX-3 0 0 0 View 2025 Problems →
2026 Mazda CX-3 0 0 0 View 2026 Problems →
Comparative Disclaimer: Complaint totals are unadjusted historical counts and are not normalized for vehicles sold, active fleet size, or total road mileage. Newer model years naturally have had less calendar exposure time to accumulate owner filings.

Detailed NHTSA Component Breakdown for 2018 Mazda CX-3

Complete distribution of consumer defect reports across all 9 granular NHTSA system and subsystem classifications

Vehicle Component / System Total Complaints Crash Reports Fire Reports Reported Injury Entries Reported Fatality Entries
Back Over Prevention / Camera NHTSA category: BACK OVER PREVENTION 2 0 0 0 0
ELECTRICAL SYSTEM,LANE DEPARTURE 1 0 0 0 0
ELECTRICAL SYSTEM,UNKNOWN OR OTHER 1 0 0 0 0
ENGINE,FUEL/PROPULSION SYSTEM 1 0 0 0 0
EXTERIOR LIGHTING 1 0 0 0 0
Forward Collision Avoidance NHTSA category: FORWARD COLLISION AVOIDANCE 1 0 0 0 0
SUSPENSION,ENGINE,SERVICE BRAKES 1 0 0 0 0
Vehicle Speed Control NHTSA category: VEHICLE SPEED CONTROL 1 1 0 0 0
Wheels & Hubs NHTSA category: WHEELS 1 0 0 0 0
Data Attribution & Reporting Methodology: Complaints are unverified voluntary submissions to the NHTSA Office of Defects Investigation (ODI). Because multiple vehicle components can be cited within a single owner complaint submission, component-level rollups may sum to more than the unique complaint count (10). Injury and fatality entries in the detailed table reflect raw values entered by reporting consumers across individual submissions; they are not deduplicated casualty statistics and may include duplicate or unverified entries. Complaint volume is not normalized for sales volume or vehicle mileage and does not represent an audited component failure rate.
Official US Government Data Provenance

The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.