No complaints are listed for the 2024 Mack MD. NHTSA's API and bulk file list none in this build.
Data build 2026-10-08.
NHTSA lists this vehicle as MACK MD.
Model-generated complaint tags: No complaints are listed for tagging.
Recalls
See new recalls and investigations this week.
5 recalls.
Date: 2025-10-06. Systems: SEAT BELTS.
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."
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.
Do not drive: No. Park outside: No.
Date: 2024-05-14. Systems: EQUIPMENT.
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."
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.
Do not drive: No. Park outside: No.
Date: 2024-03-01. Systems: PARKING BRAKE.
Defect: 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.
Do not drive: No. Park outside: No.
Date: 2023-11-07. Systems: STEERING.
Defect: 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.
Do not drive: Yes. Park outside: No.
Date: 2023-08-30. Systems: STEERING.
Defect: 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.
Do not drive: No. Park outside: No.
Manufacturer communications
29 manufacturer communications.
Communications by system| System | Count |
|---|
| ELECTRICAL SYSTEM | 8 |
|---|
| POWER TRAIN | 8 |
|---|
| ENGINE AND ENGINE COOLING | 5 |
|---|
| ENGINE | 4 |
|---|
| SUSPENSION | 4 |
|---|
| SERVICE BRAKES | 3 |
|---|
| FUEL SYSTEM, DIESEL | 1 |
|---|
| FUEL/PROPULSION SYSTEM | 1 |
|---|
11032086
Date: 2026-04-09. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
CBR - Mack Carrier Nut Adhesive Change.
11032092
Date: 2026-04-09. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
CBR - Mack Chassis - Through Shaft Bearing Retainer Breakage On Mack Carriers.
11030579
Date: 2026-03-19. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, UNKNOWN OR OTHER.
CBR - No Start Condition After Over the Air Programing.
11030591
Date: 2026-03-12. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
TSB - Cable, Gear Selector, Replacement
11028032
Date: 2026-01-07. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
CBR - Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions to US22+OBD2023 (DOES NOT APPLY TO AN(4) and PR(4)).
11022289
Date: 2025-08-22. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
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.
11021332
Date: 2025-07-28. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
CBR - A significant GPS reporting issue is affecting fleet operations, with trucks maintaining back-office communication but failing to transmit GPS location data.
11021333
Date: 2025-07-17. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, SERVICE BRAKES.
CBR - To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP file will need to downloaded.
11018813
Date: 2025-05-27. Type: Service Bulletin/Repair Instructions. Systems: ENGINE, FUEL/PROPULSION SYSTEM.
Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer
11016342
Date: 2025-03-06. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
If oil dilution is suspected refer to the applicable CBR solution below: a CBR-659o ?Mack Chassis - Oil Diluted With Fuel; Fuel In Oil, Diagnostic Information - All Emissions, All Model Years