Mack MS300T recalls by year
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
7 recalls found for the Mack MS300T in NHTSA data as of September 22, 2026. Choose a model year:
| Model year | Recalls | Complaints |
|---|---|---|
| 1988 Mack MS300T | 2 | 0 |
| 1983 Mack MS300T | 1 | 0 |
| 1982 Mack MS300T | 2 | 0 |
| 1981 Mack MS300T | 4 | 0 |
| 1980 Mack MS300T | 2 | 0 |
| 1979 Mack MS300T | 1 | 0 |
Has your Mack been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Mack dealer can also check your VIN. Recall repairs are free.
Newest Mack MS300T recalls
- Mar 10, 198989V035000Service brakes, air281 vehiclesMack MS250P, MS300P and 1 more model
Total capacity of air brake reservoir may be slightly less than required by FMVSS 121.
- Jul 26, 198888V124000Steering294 vehiclesMack CS 300P, CS 300T and 2 more models
Power steering pumps may have a ridge inside the aluminum housing which could detach itself from the housing and become wedged inside the relief valve, keeping it open.
- Sep 27, 198383V102000Power train565 vehicles1981 Mack MS300T
The yoke of the transmission propeller shaft may lack required strength due to erroneous counterbore operation in which 10 millimeters of extra material may have been cut.
- Sep 27, 198383V101000Steering1,486 vehiclesMack MS200, MS250P and 2 more models
Bolted installation of the steering gear housing has a tendency to loosen in service.
- May 24, 198282V054000Exterior lighting5,700 vehiclesMack MS200P, MS300P and 1 more model
The circuit wiring on these vehicles is arranged so that a short circuit in the rear taillights will also result in loss of power to the headlamps.
- Jul 14, 198181V089000Power train500 vehiclesMack MS300P and MS300T
Holes drilled in the rear axle yokes to balance them could cause a failure of the yoke.
- Mar 18, 198181V032000Exterior lighting150 vehicles1981 Mack MS300T
On certain vehicles, the semi-trailer stop lights may not activate when hand control lever is activated.