NHTSA Recall 26V631000

Affects 2025 Mack Pioneer PR (4), 2027 Mack Anthem AN (4), 2026 Mack Pioneer PR (4), 2026 Mack Anthem AN (4), 2027 Mack Pioneer PR (4). Recall repairs are free at any franchised dealer, however old the vehicle is.

Recall data as of Oct 3, 2026 — NHTSA.

Bumpers Active Shutters/Grill

NEW

STRUCTURE:BODY:BUMPERS:ACTIVE SHUTTERS/GRILL

What's wrong:
Mack Trucks, Inc. (Mack) is recalling certain 2026-2027 Anthem AN (4) and 2025-2027 Pioneer PR (4) vehicles. The intake and grille bezels may detach from the vehicle.
Risk:
A detached bezel can become a road hazard for other vehicles, increasing the risk of a crash.
What to do:
Dealers will inspect, replace the intake and grille bezels, and install cable ties as necessary, free of charge. Owner notification letters are expected to be mailed November 30, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0501. Vehicle Identification Numbers (VINs) involved in this recall will become searchable on NHTSA.gov on October 8, 2026.

NHTSA campaign 26V631000 — quote this at the dealer.Reported Oct 1, 2026.

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