2021 Fccc Mt45 problems, complaints & recalls
Most-reported problem areas: Visibility/Wiper (1)
Safety recalls (1)
Steering:linkages:tie Rod Assembly 2021-04-12 · campaign 21V256000 · 12,470 vehicles
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2022 Freightliner Cascadia, Business Class M2, 114SD, 108SD, 122SD, Custom Chass S2 Chassis, Custom Chass XB Chassis, Custom Chass XC Chassis, and Custom Chass MT Chassis Western Star 4700, 4900, 5700 vehicles. The steering arm and tie rod bolts may have a defective seam that can fracture.
Risk: A fractured bolt may cause a loss of steering, increasing the risk of a crash.
Fix: DTNA will notify owners, and dealers will replace the tie rod arm and steering arm bolts, free of charge. The recall began on June 10, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-884.
Service bulletins (33)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Steering 2026-07-17 · SS 584261-FCCC · Other
service solution for mt45g & mt55g power steering oil cooler replacement parts (306)
Unknown Or Other 2026-06-05 · SS 580739 FCCC · Other
service solution for step van cat theft deterrent systems
Engine 2026-04-23 · SS 581801-FCCC · Other
service solution for 10 gallon def header service replacement additional parts (298)
Fuel/Propulsion System 2026-04-07 · SS 583339-FCCC · Other
service solution for 2012-2024 mt45g & mt55g 6.0-liter gas or cng failed/cracked fuel pump fuse (303)
Engine 2026-01-22 · TSB-00-018-FCCC · Service Bulletin/Repair Instructions
technical service bulletin for repair guidelines for coolant leaks
Engine 2025-11-25 · FL997-DLR LTR · Emissions
revised emission recall for fccc clean idle label
Showing the 6 most recent of 33 bulletins. Search all of them free at nhtsa.gov.
What owners report
2022-11-11 · Visibility/Wiper“because of the angle of the dash the light from it reflects on the windshield. the gauges can be dimmed but the odometer cannot. this cause a reflection in the direct line of sight. this reflection is a problem despite adjusting the seat and diming the gauges to full off. i have found a covering the entire gauge cluster with cardboard solves th…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.