2020 Freightliner Business Class M2 Other or unknown Problems
- Complaints
- 8about this part
- Share
- 100%of 8 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 8 complaints about the other or unknown of the 2020 Freightliner Business Class M2, 100% of the 8 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“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.”
NHTSA complaint #11472393, filed 2022-07“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 #11586758, filed 2024-05“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 #11586768, filed 2024-05“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 #11586760, filed 2024-05“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 #11586782, filed 2024-05Related service bulletins
- 11025871Nov 14, 2025Revised Field Service Campaign for Beverage Body Frame Rail 50 KSI
- 11025870Nov 14, 2025Revised Field Service Campaign for Beverage Body Frame Rail 50 KSI
- 11019805Jun 24, 2025Technical Service Bulletin for New Grill Design
- 10170842Jan 31, 2020Revised Customer Advisory Letter for performing a Fifth Wheel Air-Operated Kingpin Release Functionality Inspection on vehicles equipped with a dash controlled fifth wheel air…
- 10170604Jan 21, 2020Customer Advisory Letter for performing a Fifth Wheel Air-Operated Kingpin Release Functionality Inspection on vehicles equipped with a dash controlled fifth wheel air operated…
- 10170299Jan 20, 2020Warranty Policy Letter announcing the One Stop Supplier Extended Program Launch. The One Stop Supplier Extended Program streamlines the claim filing process because with One Stop…
Other or unknown: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2020 | 8 | 100% |
← All problems reported for the 2020 Freightliner Business Class M2
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology