The defect
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.
The remedy
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 own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Mack Anthem AN (4) | 2027 |
| Mack Pioneer PR (4) | 2027 |
Components: EXTERIOR LIGHTING
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Mack Anthem AN (4) | 2027 | 0 | 6 |
| Mack Pioneer PR (4) | 2027 | 0 | 6 |
Other exterior lighting recalls in 2026
32 of the 666 recall campaigns reported to NHTSA in 2026 concerned the exterior lighting; Mack Trucks, Inc. filed 118 campaigns in all.
| 26V632000 1 Oct 2026 | Daimler Trucks North America, LLC |
| 26V606000 22 Sept 2026 | Ford Motor Company |
| 26V513000 6 Aug 2026 | Volvo Trucks North America |
| 26V508000 5 Aug 2026 | Rivian Automotive, LLC |
| 26V507000 4 Aug 2026 | Tesla, Inc. |
| 26V484000 27 Jul 2026 | Jayco, Inc. |
| 26V486000 27 Jul 2026 | Foretravel, Inc. |
| 26V475000 22 Jul 2026 | Daimler Trucks North America, LLC |
NHTSA recalls (public domain) · all recalls of 2026