2004 Freightliner Business Class M2 Engine Problems
- Complaints
- 1about this part
- Share
- 13%of 8 total for the year
- Median mileage
- 190,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine of the 2004 Freightliner Business Class M2, 13% of the 8 complaints for this model year. Where a mileage was given, the median is 190,000 miles.
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.
“M2 106 model started presenting major oil leak one month ago. Replaced oil pan gasket, but didn't correct problem. After mechanic verification, it turns out it is the front crankshaft oil seal. Mechanic stated he has seen quite a few freight models equipped with the cat3126 with oil leak problems from the same crankshaft oil seal.”
NHTSA complaint #10511212, filed 2013-05, 190,000 milesRelated service bulletins
- 10141701Feb 26, 2018sb2062 Removing the Shipping Plate from the Fan Hub on ISB Engines
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2004 | 1 | 13% |
Other parts of the 2004 Freightliner Business Class M2
← All problems reported for the 2004 Freightliner Business Class M2
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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