The 2020 Freightliner Business Class M2 has 12 NHTSA recall campaigns affecting an estimated 331,174 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 8 complaints with NHTSA, most often about the unknown or other. Last updated July 5, 2026.
Recall campaigns
SUSPENSION25V7600002025-11-0418,783 affected
Defect
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,…
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.
ENGINE AND ENGINE COOLING24V9240002024-12-11139 affected
Defect
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.
TIRES22V9190002022-12-1249 affected
Defect
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…
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.
SERVICE BRAKES, AIR22V8170002022-11-01219,390 affected
Defect
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…
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…
SERVICE BRAKES, AIR22V1180002022-03-0211 affected
Defect
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.
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…
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.
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…
ENGINE20V4660002020-08-075,374 affected
Defect
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…
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…
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.
POWER TRAIN20V1760002020-03-231,532 affected
Defect
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.
SERVICE BRAKES, AIR20V1270002020-03-032,585 affected
Defect
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…
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.
POWER TRAIN19V4430002019-06-11809 affected
Defect
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…
Complaints by component
UNKNOWN OR OTHER
8
Total complaints8
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“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”
“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”
“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”
“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”
“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”
“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”
“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”
“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…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2020 Freightliner Business Class M2 as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
contains ads and affiliate links. Full methodology.