2020 Mack Anthem (an) Problems, Complaints & Recalls
- Compared with other Anthem (an) years
- Not enough data 2nd of 9 for complaints
- Safety recalls
- 6 recalls: check your VIN
- NHTSA crash rating
- Not rated
Owners have filed 4 complaints with NHTSA about the 2020 Mack Anthem (an). That ranks 2nd out of 9 Anthem (an) model years for complaints. The most reported problem area is air bags (1 complaints, 25%). Complaints mention 1 crash. There are 6 safety recalls covering this model year.
- 4owner complaints
- 6safety recalls
- 0NHTSA investigations
- 1complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2020 Mack Anthem (an) problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Air Bags | 1 | 25% | — | — | — |
| Exterior Lighting | 1 | 25% | 35,000 | — | — |
| Power Train | 1 | 25% | — | — | — |
| Service Brakes | 1 | 25% | 28,000 | — | — |
| Steering | 1 | 25% | — | — | — |
| Suspension | 1 | 25% | — | — | — |
| Wheels | 1 | 25% | — | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
Complaints by year received
2020 Mack Anthem (an) recalls (6)
Tap a recall to see the problem, the risk and the fix.
Seat belts:front:anchorage
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.
Electrical system:software; service brakes, hydraulic:antilock/traction control/electronic limited slip:control unit/module
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.
Electronic stability control (esc):control module:software
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.
Steering:linkages:drag:link:connection
Problem: Mack Trucks, Inc. (Mack) is recalling certain 2020 Anthem (AN), Granite (GR), and Pinnacle (PI) vehicles. The castle nuts and cotter pins used to connect the steering drag link to the pitman arm and steering arm may have not been correctly installed, potentially causing separation of the drag link.
Risk: If the drag link separates, loss of steering control my occur, increasing the risk of a crash.
Fix: Mack will notify owners, and dealers will inspect the drag link attachment points, repairing them, as necessary, free of charge. The recall began January 14, 2020. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0420.
Exterior lighting
Problem: Mack Trucks, Inc. (Mack) is recalling certain 2020 Anthem and Pinnacle trucks. The conspicuity reflectors at the back of the cab may be blocked by the exhaust system. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Assoc. Equipment."
Risk: If the reflectors are blocked, the vehicle's visibility to other drivers may be reduced, increasing the risk of crash.
Fix: Mack has notified owners, and dealers will install additional reflectors on the back of the cab, 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 SC0418.
Visibility:rearview mirrors/devices:exterior
Problem: 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.
Risk: If the mirror detaches from the door, the mirror may strike another vehicle or pedestrian, increasing the risk of injury or crash.
Fix: 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.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
This vehicle was sold to me as a new truck by Mountain West Truck Center in Salt Lake City, UT, with Federal Excise Tax paid accordingly. Prior to sale, the truck had undergone structural frame repair at Tec Equipment, an authorized Mack/Volvo dealer and repair facility in Reno, Nevada. During that…
While driving on the Interstate I apparently lost control and hit a guardrail at approx 40-45mph. The impact stopped the truck causing severe damage to the vehicle the front right 1/2 of the vehicle including bumper, quarter panel with enough impact to break the front axle. I was found unconsious…
Led marker lamps are in a sealed unit which are not serviceable roadside, leading to low visibility under certain lighting and approach conditions to other vehicles. Also creates violations while on the road under section 393 as the driver and/ or road service vendor cannot service a part without…
TL* THE CONTACT OWNS A 2020 MACK ANTHEM. THE CONTACT STATED THAT EACH TIME THE BRAKE PEDAL WAS DEPRESSED, THE VEHICLE MOVED FROM SIDE TO SIDE, THE WHEELS WOULD JUMP, AND THE HOOD ATTEMPTED TO OPEN. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE CONTACT STATED THAT THE VEHICLE WAS TAKEN TO…
Other Mack Anthem (an) years
← 2019 Anthem (an) · 2021 Anthem (an) →
| Year | Complaints | Recalls |
|---|---|---|
| 2026 Anthem (an) | 0 | 1 |
| 2025 Anthem (an) | 0 | 8 |
| 2024 Anthem (an) | 5 | 6 |
| 2023 Anthem (an) | 0 | 3 |
| 2022 Anthem (an) | 0 | 5 |
| 2021 Anthem (an) | 2 | 5 |
| 2020 | 4 | 6 |
| 2019 Anthem (an) | 1 | 6 |
| 2018 Anthem (an) | 0 | 4 |
See all Mack Anthem (an) problems by year, every Mack model, or the VIN decoder.
Embed this 2020 Mack Anthem (an) badge on your site
Copy this code into your blog or forum post. It shows live complaint and recall counts and links back here.
Frequently asked questions
What are the most common problems with the 2020 Mack Anthem (an)?
Owners most often report air bags, exterior lighting, power train problems. The top one, air bags, accounts for 1 complaint.
Was there a recall on the 2020 Mack Anthem (an)?
Yes, 6 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2020 Mack Anthem (an) a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other Anthem (an) model years, the 2020 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.