🚗 AutoDefect IQ

2021 Fccc Mt55 problems, complaints & recalls

0
Complaints
3
Recalls
33
Service bulletins
0
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (3)

Tires:valve 2021-11-23 · campaign 21V921000 · 16,676 vehicles

Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2017-2019 Freightliner Custom Chass XCL, 2017-2022 XCM, XCS, 2017-2023 MC, XCR, 2018-2019 XBR, 2018-2020 XBS, 2018-2022 MBC, MT55, S2C, S2G, S2RV vehicles. The tire valve stem extension for the inner wheel may come into contact with the outer wheel rim opening and become damaged.

Risk: Damage to the valve stem extension may result in a loss of tire pressure of the inner wheel, increasing the risk of a crash.

Fix: Dealers will remove the inner valve stem extensions and stabilizers, free of charge. Owner notification letters were mailed January 18, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL912. Note: This recall supersedes and expands recall 20V-529 (FL-861). Vehicles previously repaired under 20V-529 will need to have the new remedy completed under this recall.

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 Brakes, Hydraulic:foundation Components:disc:caliper 2020-12-21 · campaign 20V807000 · 80 vehicles

Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2021 Freightliner Custom Chassis MC, Business Class M2, Custom Chassis MBC Chassis, Custom Chassis S2 Chassis, Custom Chassis MT55 Chassis, and 2022 Custom Chassis Saf-T-Liner C2 vehicles. The hydraulic caliper tie bar support fasteners on the steer axles may not have been properly tightened or the tie bar may have not been installed in some cases.

Risk: A dangling tie bar could come in contact with the rotating wheel-end components or damage may occur from the brake parts flexing. Either scenario may increase the risk of a crash.

Fix: DTNA will notify owners, and dealers will inspect both steer axle wheel-ends to make sure that the four tie bar mounting fasteners are properly tightened. If the required tie bar is missing, the caliper anchor mounts and functionality (brake pad slide pins and pad movement) will be inspected before installing a tie bar. All repairs will be performed free of charge. The recall began February 18, 2021. DTNA's number for this recall is FL-871.

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

No detailed complaint narratives on file.

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Fccc Mt55 years