2024 Freightliner Business Class M2 problems

Defect

Fontaine Modification Company (Fontaine Modification) is recalling certain 2024-2025 Freightliner Business Class M2 vehicles. The steering gearbox assembly may have been assembled with insufficient oil.

Consequence

A lack of lubrication may cause binding gears and difficulty steering, increasing the risk of a crash.

Remedy

Fontaine Modification will inspect and replace the steering gearbox as necessary, free of charge. Owner notification letters were mailed February 26, 2026. Owners may contact Fontaine Modification customer service at 1-800-366-8246.

Defect

Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2026 Western Star 49X, Freightliner Business Class M2, Freightliner 114SD, Freightliner 108SD, 2021-2026 Western Star 47X, 2021-2023 Freightliner 122SD, 2022 Western Star 48X, and 2023 Western Star 4700 vehicles. The axle clamp fasteners may be loose, which can result in a loss of vehicle control.

Consequence

A loss of vehicle control increases the risk of a crash.

Remedy

Dealers will inspect and tighten the fasteners, as necessary, free of charge. Owner notification letters were mailed December 29, 2025. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1027.

Defect

Daimler Trucks North America, LLC (DTNA) is recalling certain 2024-2026 Western Star 47X, Freightliner Business Class M2, FCCC MT55G, 2025-2026 Western Star 49X, Freightliner Cascadia, Freightliner 114SD, FCCC MT45G, FCCC S2RV106, 2026 Thomas Built Buses Saf-T-Liner C2, Freightliner eCascadia, FCCC S2C106, and Freightliner 108SD vehicles. The tie rod castle nut and cotter pin may not be installed properly, which can result in a loss of vehicle steering control.

Consequence

A loss of vehicle steering control increases the risk of a crash.

Remedy

Dealers will inspect and replace the tie rod assembly, as necessary, free of charge. Owner notification letters were mailed November 10, 2025. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is D25R2.

Defect

Fontaine Modification Company (Fontaine Modification) is recalling certain 2022-2024 Freightliner Business Class M2 vehicles. Welds may crack and fail, allowing the Intermediate steering shaft assembly to detach from the steering column.

Consequence

A steering shaft that detaches can result in a loss of steering, increasing the risk of a crash.

Remedy

Fontaine Modification will replace the intermediate steering shaft, free of charge. Owner notification letters are expected to be mailed September 3, 2025. Owners may contact Fontaine Modification customer service at 1-800-366-8246.

Defect

Daimler Trucks North America, LLC (DTNA) is recalling certain 2024-2025 Freightliner 108SD, 2022-2025 Freightliner 114SD, Freightliner Business Class M2, 2025 Freightliner eM2, 2020-2025 Western Star 49X, 2021-2025 Western Star 47X, and 2022-2025 Western Star 57X vehicles that may be upfitted with a body lighting interface controller and replacement brake lights. The brake lights may not illuminate when the brakes are automatically applied during an active brake assist (ABA) event.

Consequence

Brake lights that fail to illuminate can fail to indicate to other drivers that the vehicle is slowing down, increasing the risk of a crash.

Remedy

Dealers will update the ABA software, free of charge. Owner notification letters were mailed October 24, 2024. Owners may contact DTNA customer service at 800-745-8000. DTNA's number for this recall is F1009.

Defect

Daimler Trucks North America, LLC (DTNA) is recalling certain 2024-2025 Freightliner Business Class M2 vehicles. The rubber ball seal in the Intellipark Park Valve Modules (PVM) may fracture and cause a leak, which can result in park brake failure or unexpected park brake engagement while driving.

Consequence

Park brake failure or unexpected park brake engagement while driving increases the risk of a crash.

Remedy

Dealers will replace the Intellipark PVM, free of charge. Owner notification letters were mailed August 2, 2024. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1000.

Defect

Daimler Trucks North America, LLC (DTNA) is recalling certain short wheelbase 2020-2024 Freightliner Cascadia, 2021-2024 Freightliner M2 Business Class, 2022 Western Star 4700, and 2020 Freightliner Classic Cascadia vehicles. The vehicle is equipped with an electronic stability control system and tire combination that may understeer during a J-turn. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 136, "Electronic Stability Control Systems on Heavy Vehicles."

Consequence

Understeering during a J-turn may increase the risk of a crash.

Remedy

DTNA will replace the tires, free of charge. Owner notification letters were mailed June 19, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL971.