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."
Safety risk
An improperly welded seat belt anchorage bracket can detach during a crash, increasing the risk of injury.
Manufacturer 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.
Electronic stability control (ESC): control module: software
Manufacturer
Mack Trucks, Inc.
Vehicles affected
557
Reported to NHTSA
2021-04-01
Owners notified
2021-04-21
Defect description
Mack Trucks, Inc. (Mack) is recalling certain 2018-2022 Anthem (AN), Granite (GR/GU), and Pinnacle (CHU/CXU/PI) vehicles equipped with "camelback" rear suspension and electronic stability control. The vehicles may not stay in their lane at certain speeds. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 136, "Electronic Stability Control Systems on Heavy Vehicles."
Safety risk
A vehicle that drifts out of its lane increases the risk of a crash.
Manufacturer remedy
Mack will notify owners, and dealers will reprogram the vehicle control units, free of charge. The recall began on April 21, 2021. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0423.
Mack Trucks Inc. (Mack) is recalling one 2014 Pinnacle (CXU) vehicle and certain 2018-2019 Mack Anthem (AN) vehicles equipped with air brake supply tanks that have an air volume amount ranging from 70% to 96% of the amount required by the regulation. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems."
Safety risk
The undersized air brake supply reservoir may provide an insufficient air supply to properly operate the brakes during repetitive brake applications, reducing braking performance and increasing the risk of a crash.
Manufacturer remedy
Mack will notify owners and dealers will add an air tank to the affected vehicles, free of charge. The recall began April 10, 2019. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0417.
Mack Trucks, Inc. (Mack) is recalling certain 2019-2020 Mack Anthem, Granite, Pinnacle vehicles. The passenger side door down view mirror may detach from the door.
Safety risk
If the mirror detaches from the door, the mirror may strike another vehicle or pedestrian, increasing the risk of injury or crash.
Manufacturer remedy
Mack will notify owners, and dealers will properly attach the mirror, free of charge. The recall began March 19, 2019. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0416.
Mack Trucks, Inc. (Mack) is recalling certain 2019 Mack Anthem (AN), Granite (GR), and Pinnacle (PI) vehicles. The pinch bolt on the upper steering shaft may not have been tightened, possibly resulting in the steering shaft separating and causing a loss of steering.
Safety risk
A loss of steering can increase the risk of a crash.
Manufacturer remedy
Mack will notify owners, and dealers will inspect the vehicles for any loose pinch bolts, correcting the vehicles as necessary, free of charge. The recall began November 30, 2018. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0413.
Mack Trucks, Inc. (Mack) is recalling certain 2019 Mack Anthem trucks equipped with Jost fifth wheel couplings. The fifth wheel may have an outboard slider bracket that is too narrow, possibly allowing the trailer to separate from the tractor.
Safety risk
If the trailer separates from the tractor, it can increase the risk of a crash.
Manufacturer remedy
Mack will notify owners, and dealers will inspect the fifth wheel slider bracket, replacing it as necessary, free of charge. The recall began September 25, 2018. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0411.
Owner complaints
A complaint is one person's report to a federal agency. It is not a finding.
Component
Complaints
Median mileage
Electrical system
1
100,000 mi
Exterior lighting
1
100,000 mi
The 2020 model has about a fifth as many complaints as this one. These figures reflect raw complaint counts, not failure rates. Higher-selling model years naturally receive more complaints.
Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.