repaired · 2026 Q3
Front: anchorage
Risk. An improperly welded seat belt anchorage bracket can detach during a crash, increasing the risk of injury.
2021 Mack MDProblems, recalls & complaints
NHTSA has logged 0 owner complaints about the 2021 Mack MD. It is covered by 2 safety recalls, and for recall 25V-666 the manufacturer reports only 34% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through October 6, 2025. Updated daily.
Complaints by system
Where the 2021 Mack MD has problems
0 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
2 recalls
2021 Mack MD recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
repaired · 2023 Q2
Service brakes, hydraulic: pedals and linkages
Do not driveRisk. An unsecured brake pedal can cause a loss of braking ability and increase the risk of a crash.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mack.
Best & worst years
2021 vs. every other MD year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the MD median. How we score
'20'21'22'23'24'25'26
- Avoid
- Caution
- Solid
- Best
- Not rated
Own a 2021 MD?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.