2020 Freightliner Business Class M2
Safety record from NHTSA: recalls, owner complaints, investigations and service bulletins.
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Vehicles › Freightliner › Business Class M2 › 2020
These records cover every 2020 Freightliner Business Class M2. To see whether one car still needs a recall repair, decode its VIN or check it with NHTSA.
Recalls
12 recalls name the 2020 Freightliner Business Class M2. Newest first.
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…
Risk and remedy
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.
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.
Risk and remedy
Risk
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.
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…
Risk and remedy
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.
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…
Risk and remedy
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.
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 and remedy
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.
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 and remedy
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.
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 and remedy
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.
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 and remedy
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.
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…
Risk and remedy
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.
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.
Risk and remedy
Risk
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.
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.
Risk and remedy
Risk
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.
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.
Risk and remedy
Risk
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.
Owner complaints
8 complaints
Latest complaints
- Unknown or other
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
- Unknown or other
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
- Unknown or other
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
- Unknown or other
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
- Unknown or other
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
- Unknown or other
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
- Unknown or other
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
- Unknown or other
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.
Service bulletins
Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.
- 11011588Revised Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management.
- 11011105Service Solution for M2 mirror wind noise
- 11011096CX Advocate for M2 and SD Vehicles Transfer Case Failures Due to Excessive Vehicle Speed (SS 3155-FTL)
- 11011082CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
- 11011076Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair Time Updates
- 11011075Technical Service Bulletin for Repairing Seat Occupancy Sensor for ISRI, SEARS and National Truck Seats
- 11010186CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
- 11010172CX Advocate for Legacy M2 Misrated Engines in Emergency Vehicles (SF695)
- 11010151Service Solution for M2 and SD Vehicles Transfer Case Failures Due to Excessive Vehicle Speed
- 11010143Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
- 11010136Parts Bulletin for Powertrain Power Distribution Module (PTPDM) Kit Replacement
- 11008537CX Advocate for MDEG Updates
- 11008508Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
- 11007522CX Advocate for MDEG Updates
- 11007517CX Advocate for ConMet Oil Pan Insert Additional Failures
- 11007498Revised 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.
- 11005503CX Advocate for MDEG Updates
- 11005500CX Advocate for NOx conversion low faults. Update to CXA 6_24_NOx submission.
- 11005494CX Advocate for ConMet Oil Pan Insert Additional Failures
- 11005470Revised 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.
- 11005462Important Campaign Information Letter for SF695 Cummins Engine Emergency Vehicle Calibration
- 11005448Customer Advisory Letter for Proactive Air Compressor, Resonator, and Suction Line Replacement
- 11003924CX Advocate communication for clutch bolts
- 11003889CX Advocate communication for NOx conversion low faults
- 11002436Revised 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.
- 11002435Revised 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.
- 11002434Revised Important Campaign Inofrmation letter for SF671 - Bulletin Revision. REVISION: 3 new SRTs and repair procedures have been created to address specific issues that arise during the repair.
- 11001976Customer letter regarding variable speed water pump.
- 11001186Field Service Campaign Owner Reminder Postcard large population
- 11001185Field Service Campaign Owner Reminder Postcard small population
- 11000988My Communications for SSI DEF Header Warranty Policy Extension for B6 7 Engines Model Years 2017-2021
- 11000986Service Solution for Thread Spring Pin Suspension Alignment & Installation
- 11000980Technical Service Bulletin for New Final Drive Over Heat Diagnostic
- 11000976Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management
- 10253879Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
- 10253878Extended Warranty Policy for certain Cummins B6.7 engines with SSI DEF headers for EPA and CARB Emissions Reporting
- 10252332Important Campaign Information letter for SF671 Campaign Suspended
- 10251207Revised Field Service Campaign for Beverage Body Frame Rail 50 KSI. REVISION: If you find modifications to the chassis, please submit a WSC Inquiry before beginning any additional work.
- 10251205Important Campaign Information letter for SF671 - Bulletin Revision. REVISION: If you find modifications to the chassis, please submit a WSC Inquiry before beginning any additional work.
- 10251203Important Campaign Information letter for SF669 Campaign Suspended
Every Freightliner Business Class M2 model year
Bars are owner complaints, dots mark years with recalls. Select a year to open its report.