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Freightliner Business Class M2Model year report

2004 Freightliner Business Class M2 Problems

Complaints
8filed with NHTSA
Median mileage
133,000miles, 5 complaints with mileage
Recalls
9campaigns on record
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

Sources: NHTSA records for the 2004 Freightliner Business Class M2 (complaints, recalls, investigations). Report an error

NHTSA recorded 8 consumer complaints for the 2004 Freightliner Business Class M2. The part named most often is brakes, with 3 complaints (38% of the total), followed by suspension (2) and engine (1). 5 of the complaints include a mileage, and 0% of those were filed for vehicles with under 50,000 miles; the median is 133,000 miles. Of all complaints, 1 involved a crash, 1 a fire, according to the filers. NHTSA lists 9 recall campaigns and 31 technical service bulletins for this model year. Brakes complaints overlap with 3 recall campaigns covering the check valve and 2 technical service bulletins filed under the same part. Suspension complaints overlap with 1 technical service bulletin filed under the same part.

This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Example complaints

Brakes: “Just bought this truck from hubbard trailers, in arizona, with a receipt from having both rear brakes redone. Drove it home then took it to the local fl dealership (nampa, id) to get an official inspection. On inspection the ABS and brake lights were on. Work was done, and I was told everything was fine on the truck re:brakes. I drove it home, about 30 miles and no problem. First time I tried to take it out on a trip, the rear caliper locked up. Called nampa Freightliner, multiple times, while stopped on side of road. They advised to bleed the brakes, which I did. …”

NHTSA complaint #10910910, filed 2016-10, 133,000 miles

Suspension: “2004 feightliner m2 .on tuesday nov. 1st 2005 with no warning whatsoever my right front wheel came off with lug nuts and brake drum still attached nearly lost truck but kept it steady until I could stop it .wheel bearing and spindle failure was said to be the cause. Replaced whole front axle and both sides wheel bearings under warranty. Keep in mind that this was interstate posted speed of 65 MPH. Now at 112000 miles 42k later I go to get new tires and balance and what do you know now the driver side has given warning and it is 1/8 inch from disaster wheel bearing and spindle again. …”

NHTSA complaint #10159251, filed 2006-06, 70,000 miles

Engine: “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 miles

Fuel system: “Dt: the contact stated while driving various speeds, the fuel line assembly burst without warning spraying diesel fuel onto the vehicle and the highway. The contact managed to park the vehicle on the side of the highway without further incident. The contact inspected the vehicle and determined the fuel lines were fractured into and needed replaced. A NHTSA recall, #05v469000 was performed on the vehicle concerning, the fuel system however, the recall did not remedy the problem. The dealership would not offer a second repair without charge under the recall. The manufacturer was alerted.”

NHTSA complaint #10170685, filed 2006-10, 217,167 miles

Mileage when problems were reported

0% of the 5 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 98,000 and 190,000 miles.

0%0–100%10–250%25–5020%50–7520%75–10020%100–15040%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (5 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 133,000 miles.

Complaints by year filed

Fewer than 15 complaints, too few for a reliable trend.

20043200620132016
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Recalls and investigations

See all 9 recalls for the 2004 Freightliner Business Class M2 → · Check a VIN at nhtsa.gov/recalls

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 31 on record; the latest 10 are shown.

See all 31 bulletins →

Other model years of the Freightliner Business Class M2

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
20208—12———Not enough data
2006812,00013———Not enough data
2005749,2509———Not enough data
20048133,0009———Not enough data

All Freightliner Business Class M2 model years

Frequently asked questions

How many NHTSA complaints does the 2004 Freightliner Business Class M2 have?

NHTSA recorded 8 consumer complaints for the 2004 Freightliner Business Class M2 as of Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2004 Freightliner Business Class M2 is reported most often?

Brakes is named most often, in 3 complaints (38% of the total), followed by suspension with 2.

Has the 2004 Freightliner Business Class M2 been recalled?

NHTSA lists 9 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

At what mileage are problems with the 2004 Freightliner Business Class M2 reported?

Among the 5 complaints that include a mileage, the median is 133,000 miles and the middle half falls between 98,000 and 190,000 miles; 0% were filed for vehicles with under 50,000 miles.

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.

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.