2024 Mack MDProblems, recalls & complaints

NHTSA has logged 1 owner complaint about the 2024 Mack MD, most often about the service brakes. It is covered by 5 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 9, 2026. Updated daily.

Complaints by system

Where the 2024 Mack MD has problems

1 complaint grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Service brakes10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

5 recalls

2024 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.

34%repaired · 2026 Q3

Front: anchorage

Recall 25V-666 · Oct 6, 2025 · 15,841 vehicles · 5,422 repaired

Risk. An improperly welded seat belt anchorage bracket can detach during a crash, increasing the risk of injury.

Problem, fix and repair progress →

68%repaired · 2025 Q4

Parking brake: indicator light

Recall 24V-167 · Mar 1, 2024 · 117 vehicles · 79 repaired

Risk. The park brake light may indicate that the park brake is applied when it is not, possibly resulting in a vehicle roll away and increasing the risk of a crash.

Problem, fix and repair progress →

100%repaired · 2025 Q3

Steering: critical fasteners

Do not drive

Recall 23V-746 · Nov 7, 2023 · 74 vehicles · 74 repaired

Risk. A detached steering wheel can cause a loss of steering control and increase the risk of a crash.

Problem, fix and repair progress →

Show 1 more recall
69%repaired · 2025 Q3

Steering

Recall 23V-605 · Aug 30, 2023 · 395 vehicles · 274 repaired

Risk. Loose steering gear fasteners may result in a loss of vehicle control, increasing the risk of a crash.

Problem, fix and repair progress →

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

2024 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
In owners' words

What MD owners report

Recent service brakes complaints filed with NHTSA, shortened. Personal details are removed.

On October 7, 2026, our commercial truck underwent a vehicle inspection that identified serious concerns involving the air brake system, including air leakage, air pressure loss, and an issue with the air system breather. These defects raise significant safety concerns because improper air pressure…
Complaint 11770197 · Oct 9, 2026

Own a 2024 MD?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.