Mack MD Problems by Year
NHTSA has 3 owner complaints and 9 safety recalls on file for the Mack MD, across 7 model years (2020–2026). The 2025 model year has the most complaints (1). The most reported problem area overall is power train.
Mack MD years to avoid? What the complaint data shows
No MD model year stands out with more than twice the complaints of a typical year.
Model years with the most complaints
Complaint counts are not adjusted for how many cars were sold or how long each year has been on the road, so newer and less popular years naturally have fewer complaints. Use them to spot problem patterns, not as a safety ranking.
Most common Mack MD problems (all years)
| Problem area | Complaints | Model years | Crashes |
|---|---|---|---|
| Power Train | 2 | 2 | 0 |
| Service Brakes | 2 | 2 | 0 |
| Engine | 1 | 1 | 0 |
| Fuel/propulsion System | 1 | 1 | 0 |
All Mack MD model years
| Model year | Complaints | Recalls | Crash rating | Top problem | Compared with other years |
|---|---|---|---|---|---|
| 2026 MD | 0 | 1 | — | — | |
| 2025 MD | 1 | 2 | — | Power Train | |
| 2024 MD | 1 | 5 | — | Service Brakes | |
| 2023 MD | 1 | 2 | — | Engine | |
| 2022 MD | 0 | 3 | — | — | |
| 2021 MD | 0 | 2 | — | — | |
| 2020 MD | 0 | 2 | — | — |
More from Mack: all Mack models · VIN decoder
Frequently asked questions
Which Mack MD years should you stay away from?
No year stands out at twice the typical count; the most complaints are for 2025 (1), 2024 (1), 2023 (1). Counts are not adjusted for how many cars were sold, and newer years have had less time to collect complaints.
What is the biggest problem with the Mack MD?
Power Train, with 2 complaints across 2 model years.
How many recalls does the Mack MD have?
9 safety recalls across all model years. Each model year page lists its recalls and fixes.