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Mack MD

Model years 2020–2026 in the US safety record. No model year stands out in owner complaints.

3owner complaints
9recall campaigns
379service bulletins
7model years on record

Complaints by model year

Each bar is one model year. The most recent years are still collecting complaints.

’20’22’24’26’20’23’26

NHTSA ODI complaints (public domain) · updated 23 Oct 2026

Year by year

Model yearComplaintsRecallsBulletinsCrashes · fires
20260100 · 0
20251270 · 0
202415180 · 0
202312580 · 0
2022031010 · 0
2021021000 · 0
202002950 · 0

A model year gets its own page when it has enough data for at least three sections

Most common problems

  • Service brakes2
  • Power train2
  • Fuel/propulsion system1
  • Engine1

NHTSA ODI complaints, all model years

Recalls

9 campaigns cover the MD.

25V666000 · Seat belts6 Oct 2025 · 2020, 2021, 2022, 2023, 2024, 2025

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."

25V333000 · Seat belts21 May 2025 · 2026

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

24V333000 · Equipment14 May 2024 · 2024, 2025

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."

24V167000 · Parking brake1 Mar 2024 · 2024

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.

23V746000 · Steering7 Nov 2023 · 2024

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.

23V605000 · Steering30 Aug 2023 · 2024

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

22V606000 · Engine and engine cooling9 Aug 2022 · 2023

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.

21V684000 · Service brakes, hydraulic1 Sept 2021 · 2020, 2021, 2022

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.

21V574000 · Suspension27 Jul 2021 · 2022

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

NHTSA recalls