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Mack Md Recalls & Complaints by Model Year

NHTSA lists 9 safety recalls and 2 owner complaints across 7 model years of the Mack Md (2020–2026). The most-complained-about year is 2023.

9
safety recalls, all years
2
owner complaints, all years
2024
year with most recalls
2023
year with most complaints

Pick your Mack Md model year

Model yearRecallsComplaints
2026 Mack Md10
2025 Mack Md21
2024 Mack Md50
2023 Mack Md21
2022 Mack Md30
2021 Mack Md20
2020 Mack Md20

What Mack Md owners complain about

Across all model years, owners have filed 2 complaints with NHTSA. The 2023 model year has the most, with 1.

All Mack Md recalls (9)

Every NHTSA safety campaign that lists a Mack Md, most recent first, with the model years each one covers.

  1. Anchorage (seat belts)

    NHTSA 25V666000 Reported 15,841 vehicles potentially affected Mack Trucks, Inc.

    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…

    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…

    Model years: 2020, 2021, 2022, 2023, 2024, 2025

  2. Seat belts

    NHTSA 25V333000 Reported 42 vehicles potentially affected Mack Trucks, Inc.

    Mack Trucks, Inc. (Mack) is recalling certain 2026 Mack MD vehicles. The center bench seat belt assembly may be routed incorrectly.

    Remedy: Dealers will inspect and replace the seat belt assembly as necessary, free of charge. Owner notification letters were mailed June 3, 2025. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for…

    Model years: 2026

  3. Labels (equipment)

    NHTSA 24V333000 Reported 26 vehicles potentially affected Mack Trucks, Inc.

    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."

    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.

    Model years: 2024, 2025

  4. Indicator light (parking brake)

    NHTSA 24V167000 Reported 117 vehicles potentially affected Mack Trucks, Inc.

    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.

    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…

    Model years: 2024

  5. Critical fasteners (steering) Do not drive

    NHTSA 23V746000 Reported 74 vehicles potentially affected Mack Trucks, Inc.

    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.

    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.…

    Model years: 2024

  6. Steering

    NHTSA 23V605000 Reported 395 vehicles potentially affected Mack Trucks, Inc.

    Mack Trucks, Inc. (Mack) is recalling certain 2024 MD6 and MD7 vehicles. The steering gear fasteners may not be properly tightened.

    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…

    Model years: 2024

  7. Engine control module (ecu/ecm) (engine and engine cooling)

    NHTSA 22V606000 Reported 150 vehicles potentially affected Mack Trucks, Inc.

    Mack Trucks, Inc. (Mack) is recalling certain 2023 MD6/7 trucks. The engine control module (ECM) may experience an internal short-circuit, which can result in an unexpected engine shut down.

    Remedy: Cummins will replace the ECM, free of charge. Owner notification letters were mailed on September 27, 2022. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0438.

    Model years: 2023

  8. Pedals and linkages (service brakes) Do not drive

    NHTSA 21V684000 Reported 2,823 vehicles potentially affected Mack Trucks, Inc.

    Mack Trucks, Inc. (Mack) is recalling certain 2020-2022 Mack MD vehicles. The cotter pin that retains the brake pedal clevis pin may not have been properly installed, which could result in an unsecured brake pedal.

    Remedy: Owners are advised to not drive their vehicles until the remedy has been performed. Dealers will inspect the cotter pin installation and repair it as necessary, free of charge. Owner notification letters were mailed on…

    Model years: 2020, 2021, 2022

  9. Hanger, bracket (suspension)

    NHTSA 21V574000 Reported 60 vehicles potentially affected Mack Trucks, Inc.

    Mack Trucks, Inc. (Mack) is recalling certain 2022 Medium-Duty Trucks. The spring hanger brackets on the front suspension may have loose bolts.

    Remedy: Dealers will tighten the spring hanger bracket bolts, free of charge. Owner notification letters were mailed on August 17, 2021. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall…

    Model years: 2022

Other Mack models

Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.