2014 Thomas Built Saf-T-Liner Efx Recalls

Recalls on record Updated July 2026

The 2014 Thomas Built Saf-T-Liner Efx has 15 NHTSA recall campaigns affecting an estimated 108,964 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 5, 2026.

Recall campaigns

STRUCTURE 22V762000 2022-10-12 17,613 affected
Defect

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…

Consequence

A school bus exterior roof panel with insufficient joint strength may separate during a crash, increasing the risk of injury.

Remedy

Dealers will add additional mechanical fasteners to secure the joints, free of charge. Owner notification letters were mailed June 2, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL957.

SEATS 22V510000 2022-07-19 1,806 affected
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.

Consequence

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.

SEATS 19V712000 2019-10-04 53,528 affected
Defect

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…

Consequence

The lack of impact absorption increases the risk of injury in the event of a crash.

Remedy

DTNA will notify owners, and dealers will install additional impact material between the re-bond back and the vinyl back cover to increase the amount of absorption, free of charge. DTNA issued owners an interim notification on November 29, 2019. The recall began June 22, 2020. Owners may contact DTNA customer…

SEATS 18V254000 2018-04-19 24 affected
Defect

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…

Consequence

In the event of a crash, if the seat does not remain secured to the wall, the occupant has an increased risk of an injury.

Remedy

DTNA will notify owners, and dealers will install an additional wall mounting bracket, free of charge. Daimler issued an interim notification to owners on June 15, 20 18. The recall began January 3, 2019. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-769.

SEATS 18V253000 2018-04-19 23,102 affected
Defect

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…

Consequence

In the event of a crash, if the seat does not remain secured to the wall, the occupant has an increased risk of an injury.

Remedy

DTNA will notify owners, and dealers will install an additional wall mounting bracket, free of charge. Daimler issued owners an interim notification on June 12, 2018. The recall began January 3, 2019. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-769.

SEATS 18V192000 2018-03-26 6,606 affected
Defect

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…

Consequence

In the event of a crash, if the seat does not remain secured to the wall, the occupant has an increased risk of an injury.

Remedy

DTNA will notify owners, and dealers will install an additional wall mounting bracket, free of charge. DTNA issued an interim notification to owners on May 9, 2018. The recall began May 10, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-763.

SEATS 18V193000 2018-03-26 6 affected
Defect

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…

Consequence

In the event of a crash, if the seat does not remain secured to the wall, the occupant has an increased risk of an injury.

Remedy

DTNA will notify owners, and dealers will install an additional wall mounting bracket, free of charge. DTNA issued an interim notification to owners on May 10, 2018. The recall began May 10, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-763.

SEATS 17V313000 2017-05-11 1,132 affected
Defect

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.

Consequence

Without under-rail washers, in the event of a crash, the seats may come loose, increasing the risk of injury.

Remedy

DTNA will notify owners, and dealers will inspect the seats and replace the mounting hardware, as necessary, free of charge. The recall began on June 28, 2017. Owners may contact DTNA Customer Service 1-800-547-0712. DTNA's number for the recall is FL-737.

EQUIPMENT ADAPTIVE/MOBILITY 15V565000 2015-09-04 4,334 affected
Defect

Daimler Trucks North America LLC (DTNA) is recalling certain model year 2006-2015 Thomas Built Buses FS-65, Saf-T-Liner C2, Saf-T-Liner EF, Saf-T-Liner EFX, Saf-T-Liner HDX, and Minotour DRW school buses manufactured January 3, 2006, to August 1, 2014, and equipped with certain Ricon model S2005, S2010, S5005, S5010,…

Consequence

If the bearings move out of position, the stowed platform may have excessive movement resulting in failure of the platform mounting. This failure could cause the wheel chair lift platform to fall out of the vehicle when the doors are opened, increasing the risk of injury for the lift operator.

Remedy

DTNA will notify owners, and dealers will inspect the link arms for damage or for displaced bearings. The platform will be inspected for cracks. Any damaged parts will be replaced, free of charge. The recall began onNovember 2, 2015. Owners may contact DTNA customer service at 1-800-745-8000. DTNA's number for…

EQUIPMENT ADAPTIVE/MOBILITY 15V564000 2015-09-04 52 affected
Defect

Daimler Trucks North America LLC (DTNA) is recalling certain model year 2006-2015 Thomas Built Buses Saf-T-Liner HDX, Saf-T-Liner EF, Saf-T-Liner EFX, and Minotour DRW transit buses manufactured January 3, 2006, to August 1, 2014, and equipped with certain Ricon model S2005, S2010, S5005, S5010, S5505, S5510…

Consequence

If the bearings move out of position, the stowed platform may have excessive movement resulting in failure of the platform mounting. This failure could cause the wheel chair lift platform to fall out of the vehicle when the doors are opened, increasing the risk of injury for the lift operator.

Remedy

DTNA will notify owners, and dealers will inspect the link arms for damage or for displaced bearings. The platform will be inspected for cracks. Any damaged parts will be replaced, free of charge. The recall began on November 2, 2015. Owners may contact DTNA customer service at 1-800-745-8000. DTNA's number for…

ELECTRICAL SYSTEM 13V639000 2013-12-20 45 affected
Defect

Daimler Trucks North America (DTNA) is recalling certain model year 2014-2015 Thomas Built Saf-T-Liner EFX school buses manufactured September 30, 2013, through November 15, 2013. In the affected vehicles, due to an incorrect calibration, the speedometer may display a speed lower than the vehicle is actually…

Consequence

With the incorrect calibration, the driver may unknowingly exceed the posted speed limit, increasing the risk of a crash.

Remedy

DTNA will notify owners, and dealers will update the instrument cluster software to correct the calibration, free of charge. Owners may contact DTNA at 1-800-547-0712. DTNA's number for this recall is FL-658.

SEATS 13V537000 2013-10-30 328 affected
Defect

Daimler Trucks North America (DTNA) is recalling certain model year 2012-2014 Thomas Built Saf-T-Liner HDX and Saf-T-Liner EFX school buses manufactured October 17, 2011, through July 2, 2013. A U-bolt intended to reinforce certain seat installations to the chassis may have been left out of the assembly process.

Consequence

In the event of a crash, the seats may not stay mounted to the chassis, increasing the risk of injury.

Remedy

DTNA will notify owners and dealers will install the U-bolts as required, free of charge. The recall began on December 13, 2013. Owners may contact DTNA at 1-503-745-5219. DTNA's recall number is FL-650.

EQUIPMENT 13V364000 2013-08-15 8 affected
Defect

Daimler Trucks North America (Daimler) is recalling certain model year 2013-2014 Saf-T-Liner (EF, EFX, and HDX) buses equipped with an auxiliary fuel pickup tube for use with an optional chassis coolant heater and manufactured January 1, 2012, through October 4, 2012. An information label affixed to the auxiliary…

Consequence

Insufficient fuel delivery may cause the engine to stumble, run erratically, or stall while driving, increasing the risk of a crash.

Remedy

Daimler will notify owners and dealers will inspect the tanks and auxiliary heater fuel pickup tubes for labels. Any labels will be removed, free of charge. The recall began on October 18, 2013. Owners may contact Daimler at 1-800-716-7466. Daimler's recall number is FL-643.

EQUIPMENT 13V365000 2013-08-15 237 affected
Defect

Daimler Trucks North America (Daimler) is recalling certain model year 2013-2014 Saf-T-Liner (EF, EFX, and HDX) buses equipped with an auxiliary fuel pickup tube for use with an optional chassis coolant heater and manufactured January 1, 2012, through October 4, 2012. An information label affixed to the auxiliary…

Consequence

Insufficient fuel delivery may cause the engine to stumble, run erratically, or stall while driving, increasing the risk of a crash.

Remedy

Daimler will notify owners and dealers will inspect the tanks and auxiliary heater fuel pickup tubes for labels. Any labels will be removed, free of charge. The recall began on October 15, 2013. Owners may contact Daimler at 1-800-716-7466. Daimler's recall number is FL-643.

EXTERIOR LIGHTING 13V022000 2013-01-23 143 affected
Defect

Daimler Trucks North America (DTNA) is recalling certain model year 2013-2014 Thomas Built Buses brand Saf-T-Liner EFX school buses manufactured from March 29, 2012, through November 14, 2012 and equipped with 100% Daytime Running Lights (DRL) option code C3676-24-000. The DRL circuit breaker may trip during…

Consequence

A loss of power to the bus' lights may reduce the driver's ability to see other vehicles, pedestrians, or objects, as well as reduce the bus' visibility to other drivers or pedestrians, increasing the risk of crash.

Remedy

DTNA has notified the affected owners. Dealers will replace the circuit breaker, free of charge. The recall began on December 14, 2012. Owners may contact Thomas Built Buses Warranty Department at 1-366-889-4871.

Sources & methodology

Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2014 Thomas Built Saf-T-Liner Efx as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.