2025 Mack Md problems, complaints & recalls
Most-reported problem areas: Service Brakes (1)
Safety recalls (2)
Seat Belts:front:anchorage 2025-10-06 · campaign 25V666000 · 15,841 vehicles
Defect: 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."
Risk: An improperly welded seat belt anchorage bracket can detach during a crash, increasing the risk of injury.
Fix: 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.
Equipment:other:labels 2024-05-14 · campaign 24V333000 · 26 vehicles
Defect: 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."
Risk: An overloaded vehicle can increase the risk of a crash.
Fix: 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.
Service bulletins (20)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Power Train 2026-04-09 · CBR 2573-1 202604 · Service Bulletin/Repair Instructions
cbr - mack chassis - through shaft bearing retainer breakage on mack carriers.
Power Train 2026-04-09 · CBR 2362-3 202604 · Service Bulletin/Repair Instructions
cbr - mack carrier nut adhesive change.
Unknown Or Other 2026-03-19 · CBR 2712-7 032026 · Service Bulletin/Repair Instructions
cbr - no start condition after over the air programing.
Power Train 2026-03-12 · TSB M-432-002A 032026 · Service Bulletin/Repair Instructions
tsb - cable, gear selector, replacement
Visibility/Wiper 2025-10-22 · CBR 2517-1 102025 · Service Bulletin/Repair Instructions
cbr - wiper linkage inspection.
Electrical System 2025-08-22 · CBR 2172-5 082025 · Service Bulletin/Repair Instructions
cbr - when an ota (over-the-air) job starts to program the vecu blocks the starter relay out, if the job ends in a critical failure, the vehicle will remain in safe state.
Showing the 6 most recent of 20 bulletins. Search all of them free at nhtsa.gov.
What owners report
2024-11-17 · Service Brakes“[xxx] - the truck lost brakes for the first time. the truck was returned 3/15/24 3/20/24 - the truck went back in the shop to get parts installed that were ordered. the truck was picked up 4/15/24. 4/16/24 - the truck went back in to the dealer for break noise and issues. the truck was picked up on 4/19/24. 4/22/24 - the truck went back to the…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.