NHTSA vehicle safety data
2021 Mack LRBE (ELECTRIC) Recalls, Ratings & Complaints
The 2021 Mack LRBE (ELECTRIC) has 2 NHTSA recall campaigns 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 2021 Mack LRBE (ELECTRIC). Recall data is refreshed daily from NHTSA.
ELECTRICAL SYSTEM:WIRING:RELAYS/SOLENOIDS
NHTSA #23V402000Reported June 4, 2023 · Mack Trucks, Inc.
Potentially affected: 47 vehicles
Defect description
Mack Trucks, Inc. (Mack) is recalling certain 2019-2023 LR battery electric trucks. The power cables that connect to the windscreen heater relay may have a loose connection and cause the relay to fail.
Safety consequence
A relay that fails in the closed position will continue to power the cabin heater, overheating the relay and increasing the risk of a fire.
Manufacturer remedy
Dealers will tighten the power cable to relay connection, free of charge. Owner notification letters are expected to be mailed August 4, 2023. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SCC0444.
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.
ELECTRICAL SYSTEM:WIRING:SWITCHES/KNOBS/BUTTONS
NHTSA #23V024000Reported January 23, 2023 · Mack Trucks, Inc.
Potentially affected: 43 vehicles
Defect description
Mack Trucks, Inc. (Mack) is recalling certain 2019 and 2021-2023 LRBE battery electric trucks. The cabin heater relay may fail, causing the coolant heater to overheat.
Safety consequence
A coolant heater that overheats can increase the risk of fire.
Manufacturer remedy
Dealers will update the software for the Hybrid Powertrain Control Unit and Instrument Cluster, and install replacement relays, free of charge. Owner notification letters were mailed March 16, 2023. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0440.
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 LRBE (ELECTRIC) model years
Check your 2021 Mack LRBE (ELECTRIC) VIN
Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Mack LRBE (ELECTRIC) at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.
Check a Mack VIN