Problems owners report
Complaints filed with NHTSA about the 2020 Freightliner Business Class M2, by the system named in each complaint. One complaint can name several.
- Unknown or other8
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 0 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
Recalls in Canada
9 Transport Canada recalls for the 2020 Freightliner Business Class M2.
| 2023202 4 Apr 2023 | Visual System 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. … |
| 2023083 20 Feb 2023 | Steering 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… |
| 2022715 12 Dec 2022 | Tires 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 … |
| 2021706 17 Nov 2021 | Tires 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 … |
| 2021271 7 May 2021 | Fuel System 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 … |
| 2020408 1 Sept 2020 | Engine 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 hap… |
| 2020365 7 Aug 2020 | Engine 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 hap… |
| 2020158 14 Apr 2020 | Lights And Instruments Issue: On certain trucks equipped with "Fleet Engineer" mud flaps, the bracket for the mud flaps may partially cover the rear reflective tape. Canadian regula… |
| 2020086 3 Mar 2020 | Brakes Issue: On certain trucks equipped with air disc brakes, the brake caliper mounting bolts may not be properly tightened. This could cause the caliper bolts to … |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
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.
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.
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."
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.
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.
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.
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.
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.
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."
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.
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.
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.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Freightliner told its dealers about the 2020 Freightliner Business Class M2: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 11011588 | Revised Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management. |
| 11011105 | Service Solution for M2 mirror wind noise |
| 11011096 | CX Advocate for M2 and SD Vehicles Transfer Case Failures Due to Excessive Vehicle Speed (SS 3155-FTL) |
| 11011082 | CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check. |
| 11011076 | Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair Time Updates |
| 11011075 | Technical Service Bulletin for Repairing Seat Occupancy Sensor for ISRI, SEARS and National Truck Seats |
| 11010186 | CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check. |
| 11010172 | CX Advocate for Legacy M2 Misrated Engines in Emergency Vehicles (SF695) |
| 11010151 | Service Solution for M2 and SD Vehicles Transfer Case Failures Due to Excessive Vehicle Speed |
| 11010143 | Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines |
| 11010136 | Parts Bulletin for Powertrain Power Distribution Module (PTPDM) Kit Replacement |
| 11008537 | CX Advocate for MDEG Updates |
| 11008508 | Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines |
| 11007522 | CX Advocate for MDEG Updates |
| 11007517 | CX Advocate for ConMet Oil Pan Insert Additional Failures |
| 11007498 | Revised Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management. Description of Revisions: The bulletin replaces the version dated 05/14/2024. Creation date has been updated. |
| 11005503 | CX Advocate for MDEG Updates |
| 11005500 | CX Advocate for NOx conversion low faults. Update to CXA 6_24_NOx submission. |
| 11005494 | CX Advocate for ConMet Oil Pan Insert Additional Failures |
| 11005470 | Revised Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management. Description of Revisions: The bulletin replaces the version dated 05/14/2024. Creation date has been updated. |
| 11005462 | Important Campaign Information Letter for SF695 Cummins Engine Emergency Vehicle Calibration |
| 11005448 | Customer Advisory Letter for Proactive Air Compressor, Resonator, and Suction Line Replacement |
| 11003924 | CX Advocate communication for clutch bolts |
| 11003889 | CX Advocate communication for NOx conversion low faults |
| 11002436 | Revised Field Service Campaign for Beverage Body Frame Rail 50 KSI. REVISION: 3 new SRTs and repair procedures have been created to address specific issues that arise during the repair. |
NHTSA manufacturer communications (public domain)