The recall affects 53,528 2014 through 2020 Thomas Built bus models:
- Saf-T-Liner EFX
- Saf-T-Liner C2
- Safe-T-Liner HDX
All of the buses have SynTec S3B or S3C seats.
Daimler Trucks North America, owner of the Thomas Built Buses company, will notify owners of the affected buses and dealers will add padding between the frame and the seat cover at no cost.
The recall begins Dec. 2.