NHTSA vehicle safety data

2011 Mack TERRAPRO (MRU) Recalls, Ratings & Complaints

The 2011 Mack TERRAPRO (MRU) has 1 NHTSA recall campaign and 0 owner complaints on file as of October 16, 2026. Recall repairs are usually free at an authorized Mack dealer.

NHTSA recall and complaint data for the 2011 Mack TERRAPRO (MRU). Recall data is refreshed daily from NHTSA.

PARKING BRAKE

NHTSA #21V953000

Reported December 9, 2021 · Mack Trucks, Inc.

Potentially affected: 20,668 vehicles

Defect description

Mack Trucks, Inc. (Mack) is recalling certain 2008-2019 TerraPro (MRU) and 2019-2022 TerraPro (TE) vehicles. A brake control valve air leak into the attached exhaust hose can create excessive back pressure, causing the parking brake to release unexpectedly.

Safety consequence

The unexpected release of the parking brake may allow the vehicle to rollaway, increasing the risk of a crash.

Manufacturer remedy

Dealers will remove the exhaust tube and fitting from the valve, free of charge. Owner notification letters were mailed February 8, 2022. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0433.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Other Mack TERRAPRO (MRU) model years

Check your 2011 Mack TERRAPRO (MRU) VIN

Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Mack TERRAPRO (MRU) at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.

Check a Mack VIN