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NHTSA Recall 22V510000: Mid/rear assembly (seats) and seats

Daimler Trucks North America, LLC reported this safety recall to NHTSA on , covering an estimated 1,806 vehicles. It affects 2 models including the Thomas Built Buses Saf-T-Liner Efx.

1,806
vehicles potentially affected
2
models affected
2023
owners notified (December 4)
NHTSA campaign22V510000
Manufacturer campaignFL946
ComponentsSEATS › MID/REAR ASSEMBLY; SEATS
Report receivedJuly 19, 2022
Owner notificationDecember 4, 2023
Initiated byManufacturer

Defect

Daimler Trucks North America, LLC (DTNA) is recalling certain 2014-23 Thomas Built Buses HDX and 2014-22 EFX school buses equipped with 39-inch S3C seat frames and 3-point flex seatbelts. The passenger seat frames may crack and rotate from fatigue.

Safety risk

Cracked passenger seat frames may not adequately secure passengers in the event of a crash, increasing the risk of injury.

Remedy

Dealers will secure the seat frames with brackets, free of charge. Owner notification letters were mail December 4, 2023. Owners may contact DTNA's customer service at 1-800-547-0712. DTNA's number for this recall is FL946.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Vehicles covered by recall 22V510000

Make and modelModel years
Thomas Built Buses Saf-T-Liner Efx2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
Thomas Built Buses Saf-T-Liner Hdx2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023

Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.