Total Complaints
1 filings
MACK LR · model year
1 NHTSA complaints, and 2 active recalls for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2019MACKLR carries 1 consumer safety complaint in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2019 LR is fuel system, diesel with 1 filings. Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability. This model year has 2 active recall campaigns, which means the manufacturer is obligated to remedy the covered defect at no charge for the life of the vehicle — the full NHTSA campaign numbers are listed below.
NHTSA currently has 5 investigation files overlapping the 2019 LR. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
1 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| FUEL SYSTEM, DIESEL | 1 |
STEERING
Mack Trucks, Inc. (Mack) is recalling certain 2019-2020 LR vehicles. The steering transfer case may have an insufficient amount of oil.
TIRES
Mack Trucks, Inc. (Mack) is recalling certain 2019 Mack Granite (GR), LR, and TerraPro (TE) trucks, equipped with Bridgestone M854 tires with DOT date codes 2418-2518, Bridgestone M860A tires with DOT date code 2518 or Bridgestone M864 tires with DOT date codes 2318-2418, all of size 425/65R22.5. T
The contact owns a 2019 Mack LR64. The contact stated that while driving at an undisclosed speed, the secondary fuel filter detached, and the vehicle stalled. The vehicle was towed to an independent mechanic, where the vehicle was repaired. The fuel filter was replaced. The manufacturer was made aware of the failure. The failure mileage was approximately 40,797.
Mileage: 40,797
mDrive Transmission Failure to Disengage
Vehicle Roll Away
Failing 5th wheel attachment bolts
AIR COMPRESSOR DISCHARGE LINE
INTEGRAL HUB AND BEARING ASSEMBLY
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.