2021 Freightliner Business Class M2 recalls

• Suspension#2025610November 4, 2025

  2,464 units affected

  Issue: On certain trucks, the fasteners for the axle clamp(s) may not have been tightened properly. As a result, the clamps could loosen. If this happens, the axle could move and cause a loss of steering control. Note: This recall only affects certain trucks equipped with a TufTrac Gen 2 suspension. Safety Risk: A loss of steering control could create the risk of a crash. Corrective Actions: Daimler Truck North America (DTNA) will notify the owners by mail and advise you to take your truck to a DTNA authorized service facility to inspect and tighten the axle clamp fasteners. The axle clamp castings will be replaced, as necessary.

• Visual System#2023202April 4, 2023

  4,784 units affected

  Issue: On certain trucks, the spline teeth in the windshield wiper arm(s) could wear and break. If this happens, the windshield wipers may not work properly. Note: This is an expansion of recall FL-926 (Transport Canada Recall 2022-172). Safety Risk: Windshield wipers that don't work could affect a driver's visibility and increase the risk of a crash. Corrective Actions: Daimler Truck North America (DTNA) will notify the owners by mail and instruct you to take your truck to a DTNA authorized service facility to inspect, and if necessary, replace the windshield wiper arm(s).

• Steering#2023083February 20, 2023

  3,460 units affected

  Issue: On certain trucks, the joint connecting the steering arm to the drag link may not have been properly tightened. As a result, the joint could loosen and separate, causing a loss of steering control. Safety Risk: A loss of steering control could create the risk of a crash. Corrective Actions: Daimler Truck North America (DTNA) will notify owners by mail and instruct you to take your truck to a DTNA authorized service facility to inspect the castle nut on the drag link taper joint. The nut will be checked for the correct torque, and tightened or repaired, as necessary.

• Tires#2022715December 12, 2022

  16 units affected

  Issue: Certain trucks were built with tires that are not approved for use with the truck's wheels. As a result, the tires may not perform properly, or a tire could fail. Safety Risk: A tire failure could cause a loss of control and increase the risk of a crash. Corrective Actions: Daimler Truck North America (DTNA) will notify owners by mail and instruct you to take your truck to a DTNA authorized service facility to replace the affected tires.

• Tires#2021706November 17, 2021

  948 units affected

  Issue: Certain trucks were built with tires that are not approved for use with the truck's wheels. As a result, the tires may not perform properly, or a tire could fail. Safety Risk: A tire failure could cause a loss of control and increase the risk of a crash. Corrective Actions: Daimler Trucks North America (DTNA) will notify owners by mail. The corrective actions for this recall are under development. You will be instructed to bring your truck to a DTNA authorized service facility when a repair is available.

• Steering#2021304May 19, 2021

  712 units affected

  Issue: On certain vehicles, the tie rod clamp may not have been properly tightened. As a result, the tie rod end could loosen and separate. If this happens, there could be a loss of steering control. Safety Risk: A loss of steering control could create the risk of a crash. Corrective Actions: Daimler Trucks North America (DTNA) will notify owners by mail and instruct you to take your vehicle to a DTNA authorized service facility to replace the tie rod clamp nuts and bolts.

• Fuel System#2021271May 7, 2021

  731 units affected

  Issue: On certain vehicles, the fuel rail assembly could develop a leak. Note: This recall only affects vehicles equipped with a Cummins L9 or ISX12 diesel engine. Safety Risk: A fuel leak can create the risk of a fire. Corrective Actions: Cummins will notify owners by mail and instruct you to take your vehicle to a Cummins authorized service center to inspect the fuel rail. If damage is found, the fuel rail and fuel lines will be replaced. If no damage is found, the fuel rail will be reassembled with new crush washers using a special tool.

• Steering#2021219April 12, 2021

  658 units affected

  Issue: On certain trucks, the tie rod arm and steering arm bolts may be defective and could break. If this happens, there could be a loss of steering control. Note: This recall only affects trucks built with a Detroit front axle. Safety Risk: A loss of steering control could create the risk of a crash. Corrective Actions: Daimler Trucks North America (DTNA) will notify owners by mail and instruct you to take your truck to a DTNA authorized service facility to replace the tie rod arm bolts and the steering arm bolts.

• Brakes#2020636December 21, 2020

  28 units affected

  Issue: On certain buses, the bolts that attach the brake caliper support (also called a tie bar) on the front axle may not be tightened correctly. As a result, the tie bar could loosen or detach and cause damage to other moving parts. It is also possible that the tie bar was not installed. A missing or loose tie bar could affect braking performance. Note: This recall only affects buses equipped with hydraulic brakes. Safety Risk: Reduced brake performance can increase the risk of a crash. Corrective Actions: Daimler Trucks North America (DTNA) will notify owners by mail and instruct you to take your bus to a DTNA authorized service facility to inspect both steer axle wheel ends. The mounting bolts for the brake caliper tie bar will be tightened. If the tie bar is missing, the caliper anchor mounts and brake function will be inspected, and the missing tie bar installed.

• Wheels#2020513October 27, 2020

  215 units affected

  Issue: On certain trucks, the spindle nut snap ring on the left side of the steer axle may not be installed correctly or may be missing. As a result, the tire and wheel assembly could separate from the truck. Safety Risk: A wheel separation could cause a loss of control and increase the risk of a crash. A wheel that separates could also hit another person or vehicle. Corrective Actions: Daimler Trucks North America (DTNA) will notify owners by mail and instruct you to take your truck to a DTNA authorized service facility for an inspection. The snap ring will be reinstalled or replaced, as necessary.

• Engine#2020408September 1, 2020

  979 units affected

  Issue: On certain trucks, the engine wire harness could be damaged by contact with various locations around the air compressor and the frame rail. If this happens, the engine could stall and you may not be able to restart it. Note: This recall only affects trucks built with a Detroit DD8 engine. Safety Risk: A sudden loss of engine power could increase the risk of a crash. Corrective Actions: Daimler Trucks North America (DTNA) will notify owners by mail and instruct you to take your truck to a DTNA authorized service facility to inspect the clearance between the wire harness and engine, and to check for any damage to the wiring. If the wire harness is damaged, it will be replaced with a new harness that has a severe duty wrap and additional hardware for routing.

• Engine#2020365August 7, 2020

  230 units affected

  Issue: On certain trucks, the engine wire harness could be damaged by contact with various locations around the air compressor and the frame rail. If this happens, the engine could stall and you may not be able to restart it. Note: This recall only affects trucks built with a Detroit DD5 engine. Safety Risk: A sudden loss of engine power could increase the risk of a crash. Corrective Actions: Daimler Trucks North America (DTNA) will notify owners by mail and instruct you to take your truck to a DTNA authorized service facility to inspect the clearance between the wire harness and engine, and to check for any damage to the wiring. If the wire harness is damaged, it will be replaced with a new harness that has a severe duty wrap and additional hardware for routing.

• Lights And Instruments#2020158April 14, 2020

  873 units affected

  Issue: On certain trucks equipped with "Fleet Engineer" mud flaps, the bracket for the mud flaps may partially cover the rear reflective tape. Canadian regulations require that reflective tape must be visible on the rear of the truck. Safety Risk: Reflective tape that is covered may make the truck less visible to others and could create an increased risk of a crash. Corrective Actions: Daimler Trucks of North America (DTNA) will notify owners by mail and instruct you to take your truck to an authorized DTNA Service Facility to inspect the reflective tape. It will be moved as necessary to meet the regulations.

Canadian data updated August 24, 2026

• SUSPENSION:CRITICAL FASTENERS#25V760000November 5, 2025

  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.

  Risk: 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.

• ELECTRONIC STABILITY CONTROL (ESC)#23V299000April 26, 2023

  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."

  Risk: 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.

• WHEELS:RIM#22V919000December 12, 2022

  Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2023 Freightliner 114SD, 2023 Freightliner 122SD, 2020 Western Star 4700, 2019-2022 Western Star 4900, 2019-2023 Freightliner Business Class M2, and 2021 Freightliner Cascadia vehicles. The vehicles are equipped with tires that are not compatible with their 8.25-inch rims. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 120, "Wheels and Rims-Other Than Passenger Cars."

  Risk: Driving with tires that are not compatible with their rims can reduce tire performance, increasing the risk of a crash.

  Remedy: Dealers will replace the tires, 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 FL-962.

• SERVICE BRAKES, AIR:ANTILOCK:MODULATOR#22V817000November 1, 2022

  Daimler Trucks North America, LLC (DTNA) is recalling certain 2017-2023 Freightliner Cascadia, 2020-2022 Freightliner Business Class M2, and 2022 Freightliner 114SD, and 2020-2023 Western Star 49X, 2021-2023 Western Star 47X, and 2021-2022 Western Star 57X vehicles. The brake modulator valves on the front axle may corrode and cause the vehicle to pull to the affected side during an Adaptive Cruise Control (ACC) braking event.

  Risk: Brakes that pull to one side during an ACC braking event may cause a sudden change in vehicle direction, increasing the risk of a crash.

  Remedy: Dealers will inspect and replace the front brake modulator valves, as necessary. Some vehicles will have a software update which will alert driver when a replacement is required. All repairs will be performed free of charge. Owner notification letters were mailed beginning October 16, 2023. DTNA's number for this recall is FL-958. This recall expands and replaces previous recall 20V-390. All vehicles previously repaired under recall 20V-390 will need to have the new remedy performed.

• SERVICE BRAKES, AIR:DRUM#22V118000March 2, 2022

  Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2022 Freightliner M2 vehicles. The brake drum may contact the hub assembly, causing the brake drum to crack.

  Risk: A cracked brake drum can cause a loss of brake function and increase the risk of a crash.

  Remedy: All vehicles have been remedied, therefore no owner notification letters are necessary. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-920.

• STEERING:LINKAGES:TIE ROD ASSEMBLY#21V369000May 19, 2021

  Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2022 Freightliner 114SD, 122SD, Business Class M2, Cascadia, 108SD, Western Star 4900, 4700, 5700, Custom Chass RV Chassis, Custom Chass S2 Chassis, Custom Chass XC Chassis, Custom Chass XB Chassis, and Custom Chass MT Chassis. The tie rod clamps may be loose, which could result in loose tie rod ends that could break or detach.

  Risk: Detached or broken tie rod ends can result in steering loss, increasing the risk of a crash.

  Remedy: Dealers will replace the tie rod clamp bolts and nuts, free of charge. Owner notification letters were mailed December 23, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-888.

• FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL#21V326000May 7, 2021

  Daimler Trucks North America, LLC (DTNA) is recalling certain 2018-2021 Freightliner Custom Chass XC Chassis, 108SD, Custom Chass XB Chassis, Business Class M2, 114SD, and Western Star 4700 vehicles. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.

  Risk: A fuel leak in the presence of an ignition source increases the risk of a fire.

  Remedy: Dealers will replace the fuel rail and fuel lines, free of charge. Interim owner notification letters were mailed on June 21, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-886.

• STEERING:LINKAGES:TIE ROD ASSEMBLY#21V256000April 12, 2021

  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.

  Remedy: 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#21V018000January 20, 2021

  Daimler Trucks North America, LLC (DTNA) is recalling 2021 Western Star 4700 and 5700, Freightliner Business Class M2, Cascadia, and Custom Chassis XC Chassis vehicles manufactured with a certain steering arm configuration with air disc brakes identified by the axle assembly supplier. On certain vehicles, one of the six brake caliper mounting bolts on the driver side steer axle may have been incorrectly tightened.

  Risk: The loose bolt could result in the other caliper bolts to loosen. Insufficiently tightened bolts may not provide adequate clamping force between the brake caliper and brake anchor plate, resulting in reduced brake effectiveness, increasing the risk of a crash.

  Remedy: DTNA will notify owners, and dealers will inspect and repair as necessary, free of charge. The recall began March 17, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-873.

• SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER#20V807000December 21, 2020

  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.

  Remedy: 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.

• SUSPENSION:REAR:AXLE:SPINDLE#20V660000October 27, 2020

  Daimler Trucks North America LLC (DTNA) is recalling certain 2020-2021 Freightliner Cascadia, 2021 Freightliner 108SD, 114SD and Business Class M2 and Western Star 4700, 4900 and 5700 vehicles. The steer axle spindle nut snap-ring locking feature may be incorrectly installed or missing from the left spindle nut at the spindle.

  Risk: A missing or improperly installed locking snap ring can result in wheel-end failure and potentially a wheel-off/separation condition, increasing the risk of crash.

  Remedy: DTNA will notify owners, and dealers will inspect the hub cap plug, and reinstall or replace of the snap-ring as needed, free of charge. The recall began December 18, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-866.

• ENGINE AND ENGINE COOLING#20V527000September 1, 2020

  Daimler Trucks North America LLC (DTNA) is recalling certain 2018-2021 Freightliner 114SD, 108SD, and Business Class M2 vehicles. The engine harness wires may chafe at various locations around the air compressor and the frame rail. The damaged wires may short causing the engine to stall without any prior warning.

  Risk: An engine stall can increase the risk of a crash.

  Remedy: DTNA will notify owners, and dealers will inspect for adequate harness clearance and verify that the harness has not been damaged. Vehicles with a damaged harness will receive a new harness that consists of a severe duty wrapping and additional hardware. All repairs will be performed free of charge. The recall began October 28, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-860.

• ELECTRICAL SYSTEM:WIRING#20V466000August 7, 2020

  Daimler Trucks North America, LLC (DTNA) is recalling certain 2017-2021 Freightliner Business Class M2 trucks. The engine harness may contact and chafe at various locations around the air compressor and the frame rail. If the wires are damaged, they may short circuit, possibly causing an engine stall.

  Risk: A engine stall may increase the risk of a crash.

  Remedy: DTNA will notify owners, and dealers will inspect for adequate clearance between harness and engine, and for any engine harness damage. Vehicles with a damaged harness will receive a new harness. These repairs will be performed free of charge. The recall began October 5, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-858.

• EXTERIOR LIGHTING#20V214000April 14, 2020

  Daimler Trucks North America LLC (DTNA) is recalling certain 2006-2020 Freightliner Columbia, 2006-2021 Freightliner Business Class M2, 2007-2020 Freightliner Coronado, 2014-2021 Freightliner 122 SD, 2007 Sterling A 9500, 2006 Freightliner Argosy, 2006-2007 Sterling AT9500, 2008-2021 Freightliner Cascadia, 2006-2008 Freightliner Classic, 2006-2011 Freightliner Century Class, 2006-2010 Freightliner FLD, and 2017 Western Star 5700 vehicles. The rear reflective tape may be partially covered by the mudflap hanger bracket, which may reduce the vehicle's visibility to other drivers on the road. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."

  Risk: The vehicle's rearward visibility may be reduced, increasing the risk of a crash.

  Remedy: DTNA will notify owners, and dealers will inspect and reposition the reflective tape to ensure that it is completely visible, as necessary, free of charge. The recall began May 29, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL848.