Mack MS300 Recalls & Complaints by Model Year
NHTSA lists 2 safety recalls and 0 owner complaints across 3 model years of the Mack MS300 (1988–1990).
Pick your Mack MS300 model year
- 1988
- 1989
- 1990
| Model year | Recalls | Complaints |
|---|---|---|
| 1990 Mack MS300 | 2 | 0 |
| 1989 Mack MS300 | 2 | 0 |
| 1988 Mack MS300 | 1 | 0 |
All Mack MS300 recalls (2)
Every NHTSA safety campaign that lists a Mack MS300, most recent first, with the model years each one covers.
-
Rack and pinion (steering)
Capscrew that attaches steering gear to the steering bracket may loosen and cause the gear to separate from its supporting bracket.
Remedy: Replace the steering bracket and capscrews.
Model years: 1988, 1989, 1990
-
Rack and pinion (steering)
Capscrew that attaches steering gear to the steering bracket may loosen and cause the gear to separate from its supporting bracket.
Remedy: Properly torque capscrews.
Model years: 1989, 1990
Other Mack models
- Mack28 complaints
- Anthem (an)12 complaints
- Granite (gr)9 complaints
- CXU6127 complaints
- Ch6 complaints
- Gu6 complaints
- CH6005 complaints
- Cxu5 complaints
Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.