2020 Freightliner BUSINESS CLASS M2: complaints, problems and recalls
Explore the records behind recurring owner reports.
Key facts
8 owner complaints analyzed
12 distinct recall campaigns
Not available median reported failure mileage
Scope: 2020 model year. Data snapshot: . 0 complaints include usable failure mileage.
Most common problems
Unknown Or Other is the most frequently named component, appearing in 8 of 8 complaints (100.0%). A complaint can name multiple components.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Unknown Or Other | 8 |
Unknown Or Other: 8
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
No usable failure mileage is recorded. 8 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2022 | 1 |
| 2024 | 7 |
2022: 1; 2024: 7
Pattern summary
Unknown Or Other leads the component reports. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Examples from the source records
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11472393 · 2022-07-05 (July 5, 2022)
Attached to this is the federal certification label for an Ultra Liner 45 built on the Freightliner chassis. Executive Coach Builders is building this bus, National Bus Sales is selling this bus to schools in Oklahoma and Texas. The states have allowed that, but as an OEM that goes against what is currently allowed.
Owner-reported narrative. Look up ODI 11472393 at NHTSA ↗
Owner report 11586758 · 2024-05-03 (May 3, 2024)
The DEF header failed on this truck and it causes the vehicle to be disabled. The DEF header is an emissions part. PART NUMBER 04-31354-004 HEADER-SSI,CONC,6 BOLT,CMNS
Owner-reported narrative. Look up ODI 11586758 at NHTSA ↗
Owner report 11586760 · 2024-05-03 (May 3, 2024)
The DEF header failed on this truck and it causes the vehicle to be disabled. The DEF header is an emissions part. PART NUMBER 04-31354-004 HEADER-SSI,CONC,6 BOLT,CMNS
Owner-reported narrative. Look up ODI 11586760 at NHTSA ↗
Owner report 11586768 · 2024-05-03 (May 3, 2024)
The DEF header failed on this truck and it causes the vehicle to be disabled. The DEF header is an emissions part. PART NUMBER 04-31354-004 HEADER-SSI,CONC,6 BOLT,CMNS
Owner-reported narrative. Look up ODI 11586768 at NHTSA ↗
Owner report 11586782 · 2024-05-03 (May 3, 2024)
The DEF header failed on this truck and it causes the vehicle to be disabled. The DEF header is an emissions part. PART NUMBER 04-31354-004 HEADER-SSI,CONC,6 BOLT,CMNS
Owner-reported narrative. Look up ODI 11586782 at NHTSA ↗
Owner report 11586786 · 2024-05-03 (May 3, 2024)
The DEF header failed on this truck and it causes the vehicle to be disabled. The DEF header is an emissions part. PART NUMBER 04-31354-004 HEADER-SSI,CONC,6 BOLT,CMNS
Owner-reported narrative. Look up ODI 11586786 at NHTSA ↗
Owner report 11586793 · 2024-05-03 (May 3, 2024)
The DEF header failed on this truck and it causes the vehicle to be disabled. The DEF header is an emissions part. PART NUMBER 04-31354-004 HEADER-SSI,CONC,6 BOLT,CMNS
Owner-reported narrative. Look up ODI 11586793 at NHTSA ↗
Owner report 11586806 · 2024-05-03 (May 3, 2024)
The DEF header failed on this truck and it causes the vehicle to be disabled. The DEF header is an emissions part. PART NUMBER 04-31354-004 HEADER-SSI,CONC,6 BOLT,CMNS
Owner-reported narrative. Look up ODI 11586806 at NHTSA ↗
Recall history
12 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.
19V443000 · Power Train:Axle Assembly
Reported: 2019-06-11 (June 11, 2019)
Daimler Trucks North America LLC (DTNA) is recalling certain 2019-2020 Business Class M2 and 2020 108SD vehicles equipped with Meritor MX 120 EVO Front Drive Steer axles. The axles may have insufficient lubrication, which may result in damage to the wheel end bearings.
Consequence: If the bearings are damaged, the wheel may separate and cause a sudden loss of vehicle control, increasing the risk of crash.
Remedy: DTNA will notify owners, and dealers will inspect and replace the wheel end components, as necessary, free of charge. DTNA issued owners an interim notification on August 7, 2019. The recall began September 10, 2019. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-817.
NHTSA campaign record ↗20V127000 · Service Brakes, Air:Disc:Caliper
Reported: 2020-03-03 (March 3, 2020)
Daimler Trucks North America LLC (DTNA) is recalling certain 2019-2020 Freightliner 108SD, 114SD, Cascadia, Business Class M2, Western Star 4700 and 5700, Freightliner Custom Chassis S2, Custom Chassis XB, and Custom Chassis XC vehicles equipped with air disc brakes. The brake caliper mounting bolts may have been insufficiently tightened.
Consequence: Loose brake caliper mounting bolts can reduce brake effectiveness, increasing the risk of a crash.
Remedy: DTNA will notify owners, and dealers will inspect and repair the vehicles, free of charge. The recall began May 1, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-845.
NHTSA campaign record ↗20V176000 · Power Train:Axle Assembly
Reported: 2020-03-23 (March 23, 2020)
Daimler Trucks North America LLC (DTNA) is recalling certain 2019-2020 Freightliner Business Class M2 and Freightliner 108SD vehicles equipped with Meritor MX 120 EVO Front Drive Steer axles. The axles may have insufficient lubrication, which may result in damage to the wheel end bearings.
Consequence: If the bearings are damaged, the wheel may separate and cause a sudden loss of vehicle control, increasing the risk of crash.
Remedy: DTNA will notify owners, and dealers will inspect and replace the wheel end components, as necessary, free of charge. The recall began May 12, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-846.
NHTSA campaign record ↗20V214000 · Exterior Lighting
Reported: 2020-04-14 (April 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."
Consequence: 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.
NHTSA campaign record ↗20V466000 · Engine | Electrical System:Wiring
Reported: 2020-08-07 (August 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.
Consequence: 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.
NHTSA campaign record ↗20V527000 · Electrical System:Wiring | Engine And Engine Cooling
Reported: 2020-09-01 (September 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.
Consequence: 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.
NHTSA campaign record ↗21V326000 · Fuel System, Diesel:Fuel Injection System:Fuel Rail
Reported: 2021-05-07 (May 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.
Consequence: 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.
NHTSA campaign record ↗22V118000 · Service Brakes, Air:Drum
Reported: 2022-03-02 (March 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.
Consequence: 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.
NHTSA campaign record ↗22V817000 · Service Brakes, Air:Antilock:Modulator | Forward Collision Avoidance: Adaptive Cruise Control
Reported: 2022-11-01 (November 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.
Consequence: 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.
NHTSA campaign record ↗22V919000 · Tires | Wheels:Rim
Reported: 2022-12-12 (December 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."
Consequence: 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.
NHTSA campaign record ↗24V924000 · Engine And Engine Cooling:Engine:Engine Control Module (Ecu/Ecm):Software
Reported: 2024-12-11 (December 11, 2024)
Daimler Trucks North America, LLC (DTNA) is recalling certain 2015-2020 Freightliner Business Class M2 emergency vehicles equipped with certain Cummins diesel engines. The engine protection and inducement software may cause the engine to shut down unexpectedly.
Consequence: An unexpected engine shutdown can delay emergency responders and increase the risk of injury.
Remedy: Cummins will update the electronic control module software and install a corrected data plate, free of charge. Owner notification letters were mailed February 5, 2025. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1012.
NHTSA campaign record ↗25V760000 · Suspension:Critical Fasteners
Reported: 2025-11-04 (November 4, 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.
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.
NHTSA campaign record ↗