Freightliner M2 Business Class Problems by Model Year
NHTSA recorded 13 consumer complaints across the 2 model years of the Freightliner M2 Business Class (2018–2019) that have at least 5 complaints. 2019 has the most, with 8. Across all years, the part named most often is other or unknown (13 mentions). Pick a model year below to see its parts, mileage, recalls and service bulletins.
All M2 Business Class model years
Years with fewer than 5 complaints are not listed. The score compares years of the same model, allowing for the era and for how long each year has collected complaints: 50 is a typical year, lower means fewer complaints. It is not adjusted for sales volume.
| Year | Complaints | Median mi | Recalls | TSBs | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|
| 2019 | 8 | — | 3 | 39 | — | Not enough data |
| 2018 | 5 | — | 2 | 141 | — | Not enough data |
Parts named most often, all years
Counts add up complaint mentions across the listed years. A complaint can name several parts.
- Other or unknown13 100%
Example complaints
One per model year, chosen for length and detail. Personal details are removed. They are consumer reports, not findings.
2018: “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”
NHTSA complaint #11586761, filed 2024-052019: “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”
NHTSA complaint #11586751, filed 2024-05Other Freightliner models
245 complaintsFreightliner Freightliner
112 complaintsFreightliner Columbia
86 complaintsFreightliner Conventional
58 complaintsFreightliner Century
36 complaintsFreightliner Business Class M2
31 complaintsFreightliner FS-65
29 complaintsFreightliner FL-70
24 complaints
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Methodology