IllustrationThe 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
2019 Freightliner M2 Business Class
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all M2 Business Class years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 0 of 8 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports0 fire reports0 injury reports
What owners actually said
8 reportsThe 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
DEF header failure. This is an emissions issue and it disables the truck when it fails.
Official recalls
321V392000 · Electrical System; Power Train
May 26, 2021
Daimler Trucks North America, LLC (DTNA) is recalling certain 2019 Freightliner eBusiness Class M2 vehicles equipped with 14Xe ePowertrains. The stator assembly wires may have been insufficiently crimped, causing high resistance, overheating, and preventing the high voltage system from starting.
Consequence & remedy
Consequence: A loss of power to the system may cause a loss of drive power, increasing the risk of a crash.
Remedy: Dealers will replace the motor stator, free of charge. All units were remedied by July 13, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-889.
Additional source detail variants (2)
Electrical System
Daimler Trucks North America, LLC (DTNA) is recalling certain 2019 Freightliner eBusiness Class M2 vehicles equipped with 14Xe ePowertrains. The stator assembly wires may have been insufficiently crimped, causing high resistance, overheating, and preventing the high voltage system from starting.
Consequence: A loss of power to the system may cause a loss of drive power, increasing the risk of a crash.
Remedy: Dealers will replace the motor stator, free of charge. All units were remedied by July 13, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-889.
Power Train
Daimler Trucks North America, LLC (DTNA) is recalling certain 2019 Freightliner eBusiness Class M2 vehicles equipped with 14Xe ePowertrains. The stator assembly wires may have been insufficiently crimped, causing high resistance, overheating, and preventing the high voltage system from starting.
Consequence: A loss of power to the system may cause a loss of drive power, increasing the risk of a crash.
Remedy: Dealers will replace the motor stator, free of charge. All units were remedied by July 13, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-889.
19V367000 · Service Brakes, Air:disc
May 14, 2019
Daimler Trucks North America LLC (DTNA) is recalling certain 2019 Freightliner 108SD, 114SD, Business Class M2, Cascadia, Western Star 5700, and FCCC XC Chassis vehicles equipped with air disc brakes. The brake caliper mounting bolts may have been insufficiently tightened.
Consequence & remedy
Consequence: Loose brake caliper mounting bolts may reduce the brake effectiveness, increasing the risk of crash.
Remedy: DTNA will notify the owners and affected vehicle manufacturers, and DTNA dealers will inspect and repair the vehicles, free of charge. The recall is expected to begin July 12, 2019. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-816.
19V370000 · Service Brakes, Air:supply:reservoir/tank
May 14, 2019
Daimler Trucks North America LLC (DTNA) is recalling certain 2004-2019 Freightliner 108SD, 114SD, 122SD, Cascadia, Columbia, Classic, FL80, FLD 120SD, Business Class M2, Western Star 4700, 4900, 6900, Sterling Acterra, L7500, LT7500, L8500, LT8500, L9500, and LT9500 vehicles. The vehicles may have an insufficient service brake air reservoir capacity. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems."
Consequence & remedy
Consequence: An insufficient air reservoir volume may reduce brake effectiveness, increasing the risk of crash.
Remedy: DTNA will notify owners, and dealers will add air reservoir capacity to the affected vehicles. Owner letters were mailed on November 29, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-815.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.