2021 Mack Anthem (AN) recalls and problems
The 2021 Mack Anthem (AN) has 5 safety recalls and 2 owner complaints filed with NHTSA. Recall repairs are free at any Mack dealer.
Recalls may cover only some 2021 Mack Anthem (AN) vehicles. Check your VIN at NHTSA ↗ to see open recalls for your exact car.
2021 Mack Anthem (AN) recalls
Recall 25V-666: Seat Belts
Problem: 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.
Recall 24V-792: Electrical System, Service Brakes, Hydraulic
Problem: Mack Trucks, Inc. (Mack) is recalling certain 2020-2025 Anthem, Granite, TerraPro and Pinnacle vehicles, equipped with Bendix EC80 Advanced Electronic Control Units (ECU). Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop working.
Risk: Safety systems that depend on the ECU (Automatic Traction Control, ABS, Electronic Stability Control, Active Cruise Control, and Collison Mitigation System) may have diminished or lost functionality, increasing the risk of a crash.
Fix: Dealers will reprogram the ECU software, free of charge. Owner notification letters were mailed December 9, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0472.
Recall 22V-401: Steering
Problem: Mack Trucks, Inc. (Mack) is recalling certain 2021-22 Granite, Anthem, LR, Pinnacle, and Terrapro tractor trailers. The steering gears may have been assembled incorrectly, which can cause the gear to fracture.
Risk: A fractured steering gear can cause a loss of steering control, increasing the risk of a crash.
Fix: Dealers will replace the steering gear, free of charge. Owner notification letters were mailed on July 29, 2022. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0437.
Recall 21V-416: Wheels
Problem: Mack Trucks, Inc. (Mack) is recalling certain 2021-2022 Anthem, Granite, and Pinnacle vehicles. The hubcap compression spring can cause the hubcap to separate.
Risk: A separated hubcap can create a road hazard, increasing the risk of a crash.
Fix: Dealers will remove the hubcap, free of charge. Owner notification letters were mailed June 30, 2021. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0425.
Recall 21V-233: Electronic Stability Control (ESC)
Problem: 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."
Risk: A vehicle that drifts out of its lane increases the risk of a crash.
Fix: 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.
2021 Mack Anthem (AN) problems reported by owners
| Problem area | Reports | |
|---|---|---|
| Fuel/Propulsion System | 1 | |
| Lane Departure | 1 | |
| Back Over Prevention | 1 |
Most reported parts
- Lane Departure › Assist — 1
- Back Over Prevention › Warnings — 1
Problems that are not covered by a recall are paid repairs; labor rates follow local mechanic pay — see what auto mechanics earn in each state.
Recent 2021 Mack Anthem (AN) complaints
Owner reports filed with NHTSA, as written (personal details removed). Complaints are not verified by NHTSA.
Other Mack Anthem (AN) years
Frequently asked questions
Does the 2021 Mack Anthem (AN) have any recalls?
Yes — NHTSA lists 5 recalls for the 2021 Mack Anthem (AN): 25V-666 (seat belts), 24V-792 (electrical system, service brakes, hydraulic), 22V-401 (steering), 21V-416 (wheels), 21V-233 (electronic stability control (esc)). Not every vehicle is affected, so check your VIN at nhtsa.gov/recalls.
What is the most common problem with the 2021 Mack Anthem (AN)?
Owners report fuel/propulsion system problems most often (1 reports), followed by lane departure (1).
Are Mack recall repairs free?
Yes. Safety recall repairs are free at authorized Mack dealers, whether you are the first owner or bought the car used.