2024 Mack MD
The 2024 Mack MD appears in 5 NHTSA recall campaigns (seat belts, equipment and parking brake) and in 0 consumer complaints filed with the agency.
No consumer complaints for this model year are in the NHTSA file.
NHTSA carries a "do not drive" advisory on at least one of these campaigns.
Complaints are consumer reports and have not been verified by NHTSA. Recall text is the manufacturer's Part 573 report as filed with NHTSA. Complaint file through 15 May 2019; recall file through 29 Sep 2026.
Recalls by model year:
Recall campaigns
Defect, as filed: Mack Trucks, Inc. (Mack) is recalling certain 2020-2025 Mack MD, 2019-2025 Anthem, Granite, 2024 MD Electric, and 2025 Pinnacle trucks equipped with a passenger bench seat. The seat belt anchorage bracket may be improperly welded. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 210, "Seat Belt Assembly Anchorages."
Consequence: An improperly welded seat belt anchorage bracket can detach during a crash, increasing the risk of injury.
Remedy: Dealers will install a reinforcement plate, free of charge. Owner letters were mailed January 21, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0485. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning October 13, 2025.
Filed by Mack Trucks, Inc. (manufacturer campaign SC0485).
Defect, as filed: Mack Trucks, Inc. (Mack) is recalling certain 2024-2025 MD and Terrapro vehicles. The Gross Axle Weight Rating (GAWR) listed on the vehicle certification label is incorrect, which can allow the vehicle to be overloaded. As such, these vehicles fail to comply with the requirements of 49 CFR Part 567, "Certification."
Consequence: An overloaded vehicle can increase the risk of a crash.
Remedy: Dealers will remove and replace the label, free of charge. Owner notification letters were mailed May 28, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0463.
Filed by Mack Trucks, Inc. (manufacturer campaign SC0463).
Defect, as filed: Mack Trucks, Inc. (Mack) is recalling certain 2024 MD6 and MD7 vehicles. The park brake light may indicate the incorrect brake status due to an incorrect park brake pressure switch.
Consequence: 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.
Remedy: Dealers will inspect and replace the brake pressure switch as necessary, free of charge. Owner notification letters were mailed March 11, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0460.
Filed by Mack Trucks, Inc. (manufacturer campaign SC0460).
Do not drive advisory
Defect, as filed: Mack Trucks, Inc. (Mack) is recalling certain 2024 MD trucks. The steering wheel attachment bolt may loosen and separate from the steering shaft, causing the steering wheel to detach.
Consequence: A detached steering wheel can cause a loss of steering control and increase the risk of a crash.
Remedy: Owners are advised not to drive their vehicles until the repair has been performed. Dealers will replace the steering wheel retention bolt, free of charge. Owner notification letters were mailed November 20, 2023. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0453.
Filed by Mack Trucks, Inc. (manufacturer campaign SC0453).
Defect, as filed: Mack Trucks, Inc. (Mack) is recalling certain 2024 MD6 and MD7 vehicles. The steering gear fasteners may not be properly tightened.
Consequence: Loose steering gear fasteners may result in a loss of vehicle control, increasing the risk of a crash.
Remedy: Dealers will tighten the steering gear fasteners, free of charge. Owner notification letters are expected to be mailed October 23, 2023. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0449.
Filed by Mack Trucks, Inc. (manufacturer campaign SC0449).
Each entry links to the NHTSA record. NHTSA states that safety recall repairs are free of charge at an authorised dealer; check a specific vehicle by VIN at nhtsa.gov/recalls.
Complaints by component
No consumer complaints for this model year are in the NHTSA file.
Investigations
No NHTSA Office of Defects Investigation action in the current file names this model year.
Other Mack MD model years
| Model year | Recalls | Complaints | Units in campaigns |
|---|---|---|---|
| 2020 | 2 | 0 | 18,664 |
| 2021 | 2 | 0 | 18,664 |
| 2022 | 3 | 0 | 18,724 |
| 2023 | 2 | 0 | 15,991 |
| 2024 | 5 | 0 | 16,453 |
| 2025 | 2 | 0 | 15,867 |
| 2026 NHTSA | 1 | 0 | 42 |
Model years with a single campaign and fewer than 25 complaints have no page here; the NHTSA link opens the agency's record for that year.
All Mack MD model years · Mack: 90 model lines
Questions and answers
How many recalls does the 2024 Mack MD have?
5 NHTSA recall campaigns name this model year; the most recent, 25V666000, was reported to NHTSA on 6 Oct 2025 and concerns seat belts:front:anchorage. Across all model years the Mack MD line has 9 campaigns.
Is there an open NHTSA investigation into the 2024 Mack MD?
No NHTSA investigation in the current file names this model year.
What component do owners of the 2024 Mack MD complain about most?
No complaints for this model year are in the NHTSA file.
How do I get a recall repaired?
NHTSA states that safety recall repairs are performed free of charge by the manufacturer's authorised dealers. Each campaign's remedy text above is the manufacturer's statement as filed with NHTSA. Check your VIN at nhtsa.gov/recalls to see whether a specific vehicle has an unrepaired recall.
Where does this data come from?
NHTSA's Office of Defects Investigation recall, complaint and investigation flat files, public domain, downloaded 29 Sep 2026. Complaint counts are unique complaint numbers per make, model and model year; component figures count each component a complaint names. The NHTSA record linked from each campaign is authoritative.
Provenance
Source: National Highway Traffic Safety Administration, Office of Defects Investigation flat files (recalls, complaints, investigations), public domain, files dated 29 Sep 2026 (recalls) and 15 May 2019 (complaints). Complaints since 1 Jan 1995. Counts are unique complaint numbers per make, model and model year; per-1,000 rates divide a component's mentions by all mentions for the same group. Errors in processing are corrected at the next daily build; see corrections and the methodology.