By year
Owner complaints about Mack vehicles peaked at 7 in 2025
Owner complaints filed with NHTSA, 2015 to 2026. 2026 runs through October.
Source: NHTSA ODI complaints and recalls files. Complaints are not verified by NHTSA.
Make
Mack
The complete NHTSA record for Mack vehicles: owner complaints, recall campaigns, defect investigations and manufacturer communications, for every model and model year on file.
Most Mack recalls are filed by Mack Trucks, part of Volvo Group.
Owner complaints in the last five years2333 on file in all, across 28 models
Recall campaigns10861 in five years
Severity index12.1Crash, fire, injury or death per 100 complaints
Investigations22,111 service bulletins
Components
Powertrain draws the most owner complaints about Mack vehicles, 26% of them
Share of all owner complaints on file, by component.
Source: NHTSA ODI.
Models
The Anthem (AN) has the most complaints of any Mack model
Every Mack model with complaints or recalls on file, by complaints. Counts are not rates: NHTSA publishes no sales volumes.
| Model | Model years | Complaints | Severity index | Recalls | Investigations |
|---|---|---|---|---|---|
| Anthem (AN) | 2016 to 2027 | 12 | 16.7 | 44 | 0 |
| Granite (GR) | 2015 to 2027 | 9 | 0.0 | 65 | 1 |
| Granite (GU) | 2015 to 2025 | 3 | 33.3 | 43 | 1 |
| MD | 2020 to 2027 | 2 | 0.0 | 17 | 0 |
| GU | 2015 to 2018 | 2 | 0.0 | 0 | 1 |
| LR | 2015 to 2027 | 1 | 0.0 | 25 | 1 |
| Pinnacle (CHU) | 2015 to 2022 | 1 | 0.0 | 23 | 2 |
| MRU | 2015 to 2018 | 1 | 0.0 | 7 | 1 |
| CXU | 2015 to 2018 | 1 | 0.0 | 1 | 2 |
| Pinnacle (CXU) | 2015 to 2022 | 0 | None | 31 | 2 |
| Pinnacle (pi/pn) | 2016 to 2027 | 0 | None | 27 | 0 |
| Pioneer PR (4) | 2025 to 2027 | 0 | None | 27 | 0 |
| Terrapro (TE) | 2017 to 2027 | 0 | None | 27 | 1 |
| Lrbe (electric) | 2019 to 2027 | 0 | None | 17 | 0 |
| Anthem AN (4) | 2026 to 2027 | 0 | None | 10 | 0 |
| TE | 2019 to 2025 | 0 | None | 9 | 3 |
| Terrapro (MRU) | 2015 to 2025 | 0 | None | 9 | 6 |
| LEU | 2015 to 2017 | 0 | None | 7 | 1 |
| MD (electric) | 2024 to 2027 | 0 | None | 6 | 0 |
| Terrapro (leu/mru) | 2015 to 2019 | 0 | None | 6 | 1 |
| Titan (TD) | 2015 to 2018 | 0 | None | 6 | 1 |
| CHU | 2015 to 2018 | 0 | None | 4 | 2 |
| LR Electric | 2020 to 2025 | 0 | None | 4 | 0 |
| Granite GR (4) | 2026 to 2027 | 0 | None | 2 | 0 |
| LR6 | 2015 to 2016 | 0 | None | 2 | 1 |
| Titan | 2015 | 0 | None | 2 | 0 |
| TD | 2015 to 2019 | 0 | None | 1 | 1 |
| Terrapro (LEU) | 2015 to 2016 | 0 | None | 1 | 1 |
Source: NHTSA ODI. Recall counts add campaigns across model years, so a campaign covering three years counts three times.
Latest recalls
Recent campaigns listing a Mack product
- 26V-631 Oct 1, 2026
Intake and grille bezels may detach from the vehicle
Structure · 3,096 vehicles - 26V-620 Sep 28, 2026
Inaccurate axle load calculations may cause reduced braking performance while transporting smoothbore tanker trailers
Brakes · 850 vehicles - 26V-515 Aug 6, 2026
Center roof marker lights may fail to illuminate
Lighting · 513 vehicles - 26V-509 Aug 6, 2026
Steering gearbox fasteners may loosen
Steering · 341 vehicles - 26V-351 May 28, 2026
Wheel lug nuts may loosen and allow the wheel to detach
Wheels · 644 vehicles - 26V-261 Apr 23, 2026
Rear brake modulators may have unprotected electrical connectors that can short circuit and lead to a loss of the anti-lock brake system (ABS) and…
Brakes · 2,772 vehicles - 26V-207 Apr 1, 2026
Trailer turn signals may not function properly
Lighting · 86 vehicles - 26V-139 Mar 11, 2026
Engine control unit (ECU) software may allow the engine to start when the transmission is not in Neutral
Engine and cooling · 775 vehicles - 25V-867 Dec 15, 2025
Vehicles remedied under Recall 15V804 (SC0398) may have had incorrect parts installed during subsequent repairs
Brakes · 679 vehicles - 25V-803 Nov 20, 2025
Automatic high beams (AHB) may not switch to low beam headlights as intended
Lighting · 247 vehicles
Source: NHTSA ODI recalls file.