Reliability & cost of ownership
Mack DMM Reliability & Common Problems
How reliable is the Mack DMM? Compare every model year side by side — NHTSA recalls, owner complaints, and crash-test stars — then open the year you're shopping for its AI reliability outlook where NHTSA has enough data.
Mack DMM problems by model year
4 recall entries and 0 owner complaints on file across 3 model years, sourced from the federal NHTSA database.
| Year | Recalls | Complaints | NCAP stars | Full report |
|---|---|---|---|---|
| 2003 DMM | 1 | 0 | No NCAP test | Recalls & complaints → |
| 2001 DMM | 2 | 0 | No NCAP test | Recalls & complaints → |
| 2000 DMM | 1 | 0 | No NCAP test | Recalls & complaints → |