Vehicle recall 26V719000 · October 29, 2026

2024-2026 Mack MD (electric)

Mack Trucks, Inc. (Mack) is recalling certain 2024-2026 Medium-Duty Electric (MDe) vehicles that were incorrectly manufactured with the hill start assist (HSA) message enabled.

Source: NHTSA data as of November 8, 2026. Last refreshed Nov 8, 2026, 6:01 PM UTC.

Summary: Mack Trucks, Inc. (Mack) is recalling certain 2024-2026 Medium-Duty Electric (MDe) vehicles that were incorrectly manufactured with the hill start assist (HSA) message enabled.
Consequence: A false hill start assist message can lead to unexpected vehicle rollback on an incline, increasing the risk of a crash.
Remedy: Dealers will update the dashboard notification software and add a correction to the owner's manual, free of charge. Owner notification letters are expected to be mailed December 28, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0502. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning November 5, 2026.

Recall details

NHTSA campaign: 26V719000
Reported to NHTSA: October 29, 2026
Filed by: Mack Trucks, Inc.
Manufacturer campaign: SC0502
Vehicles potentially affected: 151
Initiated by: the manufacturer
Components: Electrical system › ADAS › Hill descent assist › Software; Equipment › Other › Owners/service/other manual

Recall 26V719000 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.

Mack MD (electric) (2024-2026): 2026, 2025, 2024

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.

Check your VIN with NHTSA

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.