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Vehicle recall 24V013000 · January 10, 2024

Western Star 4900 and 6900

A defect in the inversion valve may delay park brake engagement, which could allow the vehicle to move unintentionally.

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
Daimler Trucks North America, LLC (DTNA) is recalling certain 2023 Western Star 4900 and Western Star 6900 vehicles. A defect in the inversion valve may delay park brake engagement, which could allow the vehicle to move unintentionally. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
Consequence
Unintentional vehicle movement can increase the risk of a crash or injury.
Remedy
DTNA will inspect and replace the inversion valves, as necessary free of charge. Owner notification letters were mailed February 27, 2024. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL992.
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.

Recall details

NHTSA campaign
24V013000
Reported to NHTSA
January 10, 2024
Filed by
Daimler Trucks North America, LLC
Manufacturer campaign
FL992
Owner notification
February 27, 2024
Vehicles potentially affected
149
Initiated by
the manufacturer
Components
Parking brake
Recall 24V013000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

Has your Western Star 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 Western Star dealer can also check your VIN. Recall repairs are free.