2027 Mack Anthem AN (4), 2027 Mack Pioneer PR (4) Recall: Center roof marker lights may fail to illuminate
NHTSA campaign 26V515000 · Exterior Lighting · filed Aug 6, 2026 · verified Aug 14, 2026
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.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Dealers will replace the center roof marker light, free of charge. Owner notification letters are expected to be mailed October 5, 2026. 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.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Mack | Anthem AN (4) | 2027 |
| Mack | Pioneer PR (4) | 2027 |
Related recalls
More Mack Anthem AN (4) recalls
- 2026 Mack Anthem (an) and 4 other models — Wheel lug nuts may loosen and allow the wheel to detach
- 2026–2027 Mack Anthem AN (4) and 1 other model — Rear brake modulators may have unprotected electrical…
- 2027 Mack Anthem AN (4) and 1 other model — Trailer turn signals may not function properly
- 2026 Mack Anthem AN (4) and 1 other model — Automatic high beams (AHB) may not switch to low beam…
Other campaigns involving Mack vehicles
Source: NHTSA recall database, campaign 26V515000 (manufacturer number SC0498). Data last verified Aug 14, 2026.