2027 Mack Anthem AN (4), 2027 Mack Pioneer PR (4) recall: Marker Lights May Fail to Illuminate/FMVSS 108
Report received by NHTSA: Aug. 6, 2026.
Built by the Tribune's code from NHTSA's official records. No AI wrote this page. Updated Nov. 4, 2026.
- What's recalled
Mack Trucks, Inc. (Mack) is recalling certain 2027 Anthem AN (4) and Pioneer PR (4) vehicles. The center roof marker lights may fail to illuminate. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
- The risk
Marker lights that fail to illuminate can reduce visibility, increasing the risk of a crash.
- Who's affected
513 vehicles potentially affected, according to NHTSA. Models: 2027 Mack Anthem AN (4), 2027 Mack Pioneer PR (4).
- Compared with
Mack Trucks, Inc. has 9 NHTSA recalls in 2026 so far, compared with 17 in all of 2025.
Counted by the Tribune from NHTSA's records since Nov. 1, 2016.
- Before this
83 earlier NHTSA recalls by Mack Trucks, Inc. since Nov. 1, 2016; the 5 most recent:
- Aug. 6, 2026 2025 Mack Terrapro (te) recall: Steering Gearbox Fasteners May Loosen
- May 28, 2026 2026-2027 Mack Granite (gr), 2026-2027 Mack Pinnacle (pi/Pn), 2026-2027 Mack Pioneer PR (4) and 2 more models recall: Do Not Drive: Wheel May Detach
- April 23, 2026 2025-2027 Mack Pioneer PR (4), 2026-2027 Mack Anthem AN (4) recall: Rear Brake Modulators May Short Circuit (agency record)
- April 1, 2026 Mack Trucks, Inc. recall: Turn Signal Failure/FMVSS 108 (agency record)
- March 11, 2026 Mack Trucks, Inc. recall: ECU Software Error May Cause Unexpected Vehicle Movement/FMVSS 102 (agency record)
Counted by the Tribune from NHTSA's records since Nov. 1, 2016.
- What to do and when
Dealers will replace the center roof marker light, free of charge. Interim letters notifying owners of the safety risk were mailed September 22, 2026. Additional letters will be sent once the final remedy is available. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0498. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning August 13, 2026.
NHTSA's record, word for word
- Check it yourself
NHTSA's VIN lookup shows whether a specific vehicle has an open recall.
Models in this recall
- Mack Anthem AN (4) 2027
- Mack Pioneer PR (4) 2027
The record as NHTSA published it
| NHTSA recall number | 26V515000 |
|---|---|
| Manufacturer | Mack Trucks, Inc. |
| Recall type | Vehicle |
| Component | EXTERIOR LIGHTING |
| Report received by NHTSA | Aug. 6, 2026 |
| Potentially affected | 513 vehicles |
| Manufacturer's recall number | SC0498 |
| “Do not drive” warning | No |
| Fire risk when parked (“park outside”) | No |
Source: National Highway Traffic Safety Administration recall records (public domain). NHTSA's record