2018 Thomas Built Buses Saf-T-Liner HDX recalls
26 NHTSA recall campaigns naming the 2018 Thomas Built Buses Saf-T-Liner HDX. Last verified Jul 30, 2026. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Units are totals reported across campaigns mentioning this model — NHTSA does not always break unit counts down by model.
Affected components
Nearby model years
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 →Campaigns
- Oct 12, 2022Crash risk2011–2023 Thomas Built Buses Saf-T-Liner Efx, 2011–2023 Thomas Built Buses Saf-T-Liner HDX — Structure
Daimler Trucks North America, LLC (DTNA) is recalling certain 2011-2023 Thomas Built EFX and HDX school buses. The exterior roof panel was manufactured with insufficient joint strength. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 221, "School Bus Body Joint Strength."
22V762000 · 18K units · Daimler Trucks North America, LLC
- Aug 19, 2022Crash risk2011–2021 Thomas Built Buses Saf-T-Liner HDX — Seats
Daimler Trucks North America LLC (DTNA) is recalling certain 2011-2021 Thomas Built Saf-T Liner HDX school buses. The forward seat barriers may not provide sufficient protection to passengers. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 222, "School Bus Passenger Seating and Crash Protection."
22V634000 · 8K units · Daimler Trucks North America, LLC
- Jul 19, 2022Crash risk2014–2022 Thomas Built Buses Saf-T-Liner Efx, 2014–2023 Thomas Built Buses Saf-T-Liner HDX — Seats
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.
22V510000 · 2K units · Daimler Trucks North America, LLC
- Aug 25, 2021Fire risk2016–2021 Thomas Built Buses Saf-T-Liner HDX — Steering
Daimler Trucks North America, LLC (DTNA) is recalling certain 2016-2021 Thomas Built Buses Saf-T-Liner HDX transit buses equipped with an ISL or L9 engine. The power steering hose may be routed with inadequate clearance between the hose and the power cables, potentially damaging the power steering hose.
21V660000 · 114 units · Daimler Trucks North America, LLC
- Aug 25, 2021Fire risk2016–2021 Thomas Built Buses Saf-T-Liner HDX — Steering
Daimler Trucks North America, LLC (DTNA) is recalling certain 2016-2021 Thomas Built Buses Saf-T-Liner HDX school buses equipped with an ISL or L9 engine. The power steering hose may be routed with inadequate clearance between the hose and the power cables.
21V659000 · 2K units · Daimler Trucks North America, LLC
- Jun 17, 2021Crash risk2018–2022 Thomas Built Buses Saf-T-Liner HDX — Seats
Daimler Trucks North America, LLC (DTNA) is recalling certain 2018-2022 Thomas Built Saf-T-Liner HDX School Buses. These school buses may have been manufactured with an incorrect passenger seat configuration that does not provide the proper amount of seat back protection. As such, these school buses fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 222, "School Bus Passenger Seating and Crash Protection."
21V462000 · 9 units · Daimler Trucks North America, LLC
- May 7, 2021Fire risk2018–2021 Thomas Built Buses Saf-T-Liner HDX — Fuel System, Diesel
Daimler Trucks North America, LLC (DNTA) is recalling certain 2018-2021 Thomas Built Buses Saf-T-Liner HDX School Buses. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.
21V327000 · 1K units · Daimler Trucks North America, LLC
- May 5, 2020Crash risk2010–2020 Thomas Built Buses Saf-T-Liner HDX — Structure
Daimler Trucks North America, LLC (DTNA) is recalling certain 2010-2020 Thomas Built Buses Saf-T-Liner HDX school buses. The lettering on the instruction label for the rear emergency exit window may be too small. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 217, "Bus Emergency Exits and Window Retention and Release."
20V252000 · 8K units · Daimler Trucks North America LLC
- Nov 19, 2019Crash risk2018–2020 Thomas Built Buses Saf-T-Liner HDX — Power Train
Daimler Trucks North America LLC (DTNA) is recalling certain 2018-2020 Thomas Built Saf-T-Liner HDX school buses equipped with Detroit DD8 Engines and Allison Transmissions. The Flex-Plate/Torque Converter fasteners may have been insufficiently tightened.
19V831000 · 30 units · Daimler Trucks North America LLC
- Oct 4, 2019Crash risk2014–2020 Thomas Built Buses Minotour, 2014–2020 Thomas Built Buses Saf-T-Liner C2, 2014–2020 Thomas Built Buses Saf-T-Liner Efx and 1 other model — Seats
Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2020 Thomas Built Saf-T-Liner EFX, Minotour, Saf-T-Liner C2, and Saf-T-Liner HDX school buses equipped with SynTec S3B or S3C seats. The seats may have been manufactured with styrene blocks that may not provide sufficient impact absorption in certain specific areas around the steel seat frame of the back support. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 222, "School Bus Passenger Seating and Crash Protection."
19V712000 · 54K units · Daimler Trucks North America LLC
- Jun 11, 2019Fire risk2010–2019 Thomas Built Buses Saf-T-Liner C2, 2017–2019 Thomas Built Buses Saf-T-Liner Efx, 2016–2019 Thomas Built Buses Saf-T-Liner HDX — Service Brakes, Air
Daimler Trucks North America LLC (DTNA) is recalling certain 2010-2020 Thomas Built Buses Saf-T-Liner C2, 2016-2019 HDX, and 2017-2019 EFX school buses equipped with Bendix Air Disc Brakes. The driver side rear brakes may drag.
19V444000 · 12K units · Daimler Trucks North America LLC
- Dec 19, 2018Crash risk2018–2019 Thomas Built Buses Saf-T-Liner C2, 2018–2019 Thomas Built Buses Saf-T-Liner Efx, 2018–2019 Thomas Built Buses Saf-T-Liner HDX — Steering
Daimler Trucks North America LLC (DTNA) is recalling certain 2018-2019 Thomas Built Saf-T-Liner HDX, C2, and EFX School Buses, equipped with Detroit Axle axles. The affected vehicles may have loose steering tie rod arm bolts.
18V914000 · 73 units · Daimler Trucks North America LLC
- Oct 5, 2018Crash risk2018–2019 Thomas Built Buses Saf-T-Liner C2, 2018–2019 Thomas Built Buses Saf-T-Liner Efx, 2018–2019 Thomas Built Buses Saf-T-Liner HDX — Service Brakes, Air
Daimler Trucks North America, LLC (DTNA) is recalling certain 2018-2019 Thomas Built school buses Saf-T-Liner C2, Saf-T-Liner HDX and Saf-T-Liner EFX school buses. The brake caliper mounting bolts may have been insufficiently tightened.
18V702000 · 2K units · Daimler Trucks North America LLC
- Aug 23, 2018Crash risk2015–2019 Thomas Built Buses Saf-T-Liner C2, 2015–2019 Thomas Built Buses Saf-T-Liner HDX — Equipment Adaptive/mobility
Daimler Trucks North America LLC (DTNA) is recalling certain 2015-2019 Thomas Built Buses Saf-T-Liner C2 and Saf-T-Liner HDX school buses, equipped with certain S-Series and K-Series Titanium Wheelchair Lifts, models K200, K201, K550, K551, S200, S2201, S550 and S551. The wheelchair lift positioning input cam may fail while the lift is in use, allowing the platform to travel higher than the vehicle's floor height.
18V560000 · 84 units · Daimler Trucks North America LLC
- May 29, 2018Crash risk2017–2019 Thomas Built Buses Saf-T-Liner C2, 2017–2019 Thomas Built Buses Saf-T-Liner Efx, 2017–2019 Thomas Built Buses Saf-T-Liner HDX — Service Brakes, Hydraulic
Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2019 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner EFX and Saf-T-Liner HDX school buses equipped with air disc brakes. The brake caliper mounting bolts on these vehicles may be insufficiently tightened, allowing the bolts to loosen.
18V352000 · 3K units · Daimler Trucks North America LLC
- Apr 19, 2018Crash risk2014–2018 Thomas Built Buses Minotour, 2014–2018 Thomas Built Buses Saf-T-Liner C2, 2014–2018 Thomas Built Buses Saf-T-Liner Efx and 1 other model — Seats
Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner HDX, Saf-T-Liner EFX, and Minotour school buses equipped with S3B Restraint Wall Mounted Seats. The wall mounting bracket may crack, causing the seat to not remain secured in place in the event of a crash.
18V253000 · 23K units · Daimler Trucks North America LLC
- Apr 19, 2018Crash risk2014–2018 Thomas Built Buses Minotour, 2014–2018 Thomas Built Buses Saf-T-Liner C2, 2014–2018 Thomas Built Buses Saf-T-Liner Efx and 1 other model — Seats
Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner EFX, Saf-T-Liner HDX, and Minotour transit buses, equipped with certain S3B Restraint Wall Mounted Seats. The wall mounting bracket may crack, causing the seat to not remain secured in place in the event of a crash.
18V254000 · 24 units · Daimler Trucks North America LLC
- Mar 26, 2018Crash risk2014–2018 Thomas Built Buses Minotour, 2014–2018 Thomas Built Buses Saf-T-Liner C2, 2014–2018 Thomas Built Buses Saf-T-Liner Efx and 1 other model — Seats
Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner HDX, Saf-T-Liner EFX, and Minotour transit buses, equipped with certain Syntec-brand S3B, Non-Restraint, Wall Mounted Seats. The wall mounting bracket may crack, which may cause the seat to not remain secured in place in the event of a crash.
18V193000 · 6 units · Daimler Trucks North America LLC
- Mar 26, 2018Crash risk2014–2018 Thomas Built Buses Minotour, 2014–2018 Thomas Built Buses Saf-T-Liner C2, 2014–2018 Thomas Built Buses Saf-T-Liner Efx and 1 other model — Seats
Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner HDX, Saf-T-Liner EFX, and Minotour school buses, equipped with certain Syntec-brand S3B, Non-Restraint, Wall Mounted Seats. The wall mounting bracket may crack, which may cause the seat to not remain secured in place in the event of a crash.
18V192000 · 7K units · Daimler Trucks North America LLC
- Sep 21, 2017Crash risk2014–2018 Thomas Built Buses Saf-T-Liner C2, 2014–2018 Thomas Built Buses Saf-T-Liner HDX — Seats
Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner HDX and Saf-T-Liner C2 school buses. A reinforcement bracket may be missing from the seats that have 3-point seat belts.
17V587000 · 53 units · Daimler Trucks North America LLC
- Sep 21, 2017Crash risk2014–2018 Thomas Built Buses Saf-T-Liner C2, 2014–2018 Thomas Built Buses Saf-T-Liner HDX — Seats
Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner HDX and Saf-T-Liner C2 transit buses. A reinforcement bracket may be missing from the seats that have 3-point seat belts.
17V589000 · 28 units · Daimler Trucks North America LLC
- May 11, 2017Crash risk2013–2018 Thomas Built Buses Saf-T-Liner HDX — Seat Belts
Daimler Trucks North America LLC (DTNA) is recalling certain 2013-2018 Thomas Built Saf-T-Liner HDX transit buses. The occupant seat lap belts may have been anchored to the seat instead of the bus structure.
17V314000 · 46 units · Daimler Trucks North America LLC
- May 11, 2017Crash risk2014–2018 Thomas Built Buses Saf-T-Liner Efx, 2014–2018 Thomas Built Buses Saf-T-Liner HDX — Seats
Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner EFX and Saf-T-Liner HDX school buses. The occupant seats may have been installed without under-rail washers, reducing their anchorage strength.
17V313000 · 1K units · Daimler Trucks North America LLC
- May 11, 2017Crash risk2013–2018 Thomas Built Buses Saf-T-Liner HDX — Seat Belts
Daimler Trucks North America LLC (DTNA) is recalling certain 2013-2018 Thomas Built Saf-T-Liner HDX school buses. The occupant seat lap belts may have been anchored to the seat instead of the bus structure.
17V317000 · 152 units · Daimler Trucks North America LLC
- Feb 27, 2017Crash risk2017–2018 Thomas Built Buses Saf-T-Liner HDX — Steering
Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2018 Thomas Built Buses Saf-T-Liner HDX transit buses. The upper pinch bolt that secures the mechanical connection between the steering wheel and the front wheels may not have been properly tightened.
17V126000 · 6 units · Daimler Trucks North America LLC
- Feb 27, 2017Crash risk2017–2018 Thomas Built Buses Saf-T-Liner HDX — Steering
Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2018 Thomas Built Buses Saf-T-Liner HDX school buses. The upper pinch bolt that secures the mechanical connection between the steering wheel and the front wheels may not have been properly tightened.
17V125000 · 149 units · Daimler Trucks North America LLC