01 / OFFICIAL CAMPAIGNS
2027 Thomas Built Buses Saf-T-Liner C2 recall campaigns
NHTSA 26V523000
- Component
- FUEL SYSTEM, DIESEL
- Report received
- August 10, 2026
- Potential units
- 160campaign-wide
Defect and consequence
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2024-2027 Thomas Built Buses Saf-T-Liner C2 transit buses. The fuel tank cage material and fuel system mounting may be incompatible. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 301, "Fuel System Integrity.".
Why it matters: During a crash, an incompatible fuel tank cage and fuel system may result in a fuel leak, increasing the risk of a fire.
Remedy
Dealers will reconfigure components to accommodate the existing fuel tank cage, free of charge. Owner notification letters are expected to be mailed October 9, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1037.
Owner notification: Date not reported · Filing manufacturer: Daimler Trucks North America, LLC
NHTSA 26V522000
- Component
- FUEL SYSTEM, DIESEL
- Report received
- August 10, 2026
- Potential units
- 22,778campaign-wide
Defect and consequence
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2024-2027 Thomas Built Buses Saf-T-Liner C2 school buses. The fuel tank cage material and fuel system mounting may be incompatible. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 301, "Fuel System Integrity.".
Why it matters: During a crash, an incompatible fuel tank cage and fuel system may result in a fuel leak, increasing the risk of a fire.
Remedy
Dealers will reconfigure components to accommodate the existing fuel tank cage, free of charge. Owner notification letters are expected to be mailed October 9, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1037.
Owner notification: Date not reported · Filing manufacturer: Daimler Trucks North America, LLC
NHTSA 26V228000
- Component
- EXTERIOR LIGHTING
- Report received
- April 9, 2026
- Potential units
- 3,285campaign-wide
Defect and consequence
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain Thomas Built Buses 2024-2027 Saf-T-Liner C2 school buses. The vehicle's software may misinterpret contact if the door switch is bumped, deactivating the amber and red warning lights and the stop sign arm.
Why it matters: Warning lights and a stop sign arm that fail to activate will not warn other drivers the school bus is slowing down, increasing the risk of a crash or injury.
Remedy
Dealers will update the amber and red warning light software, free of charge. Owner notification letters were mailed June 2, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1032.
Owner notification: June 1, 2026 · Filing manufacturer: Daimler Trucks North America, LLC
NHTSA 26V109000
- Component
- ENGINE
- Report received
- February 24, 2026
- Potential units
- 70campaign-wide
Defect and consequence
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain Thomas Built Buses 2027 Saf-T-Liner C2 school buses. The heater hose may rupture, which can result in hot coolant leaking inside the passenger compartment.
Why it matters: Contact with hot coolant may burn occupants, increasing the risk of injury.
Remedy
Dealers will inspect and replace the heater hose, as necessary, free of charge. Owner notification letters were mailed April 24, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1031.
Owner notification: April 24, 2026 · Filing manufacturer: Daimler Trucks North America, LLC
NHTSA 25V850000
- Component
- EQUIPMENT ADAPTIVE/MOBILITY
- Report received
- December 9, 2025
- Potential units
- 2campaign-wide
Defect and consequence
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2026 Thomas Built Buses Saf-T-Liner C2 Jouley and 2027 Thomas Built Buses Saf-T-Liner C2 transit buses equipped with a QRT-Deluxe or QRT-Max wheelchair restraint. The wheel chair restraint retractor may not lock, preventing the wheelchair from being properly secured.
Why it matters: An unsecured wheelchair can move during transit, increasing the risk of injury.
Remedy
A dealer will inspect and replace the retractor, as necessary, free of charge. Owner notification letters were mailed February 5, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1028.
Owner notification: February 5, 2026 · Filing manufacturer: Daimler Trucks North America, LLC
NHTSA 25V849000
- Component
- EQUIPMENT ADAPTIVE/MOBILITY
- Report received
- December 9, 2025
- Potential units
- 600campaign-wide
Defect and consequence
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2025 Thomas Built Buses Saf-T-Liner EFX, 2025-2027 Thomas Built Buses Minotour DRW, 2026 Thomas Built Buses Saf-T-Liner C2 Jouley, Thomas Built Buses HDX, and 2026-2027 Thomas Built Buses Saf-T-Liner C2 school buses equipped with certain QRT-Deluxe and QRT-Max wheelchair restraints. The wheel chair restraint retractor may not lock, preventing the wheelchair from being properly secured.
Why it matters: An unsecured wheelchair can move during transit, increasing the risk of injury.
Remedy
Dealers will inspect and replace the retractors, as necessary, free of charge. Owner notification letters were mailed February 5, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1028.
Owner notification: February 5, 2026 · Filing manufacturer: Daimler Trucks North America, LLC
02 / COMPONENT BREADTH