2023 Mack MD Problems, Complaints & Recalls
- Compared with other MD years
- Not enough data 1st of 7 for complaints
- Safety recalls
- 2 recalls: check your VIN
- NHTSA crash rating
- Not rated
Owners have filed 1 complaint with NHTSA about the 2023 Mack MD. That is the most of any MD model year in the database (7 years). The most reported problem area is engine (1 complaints, 100%). There are 2 safety recalls covering this model year.
- 1owner complaints
- 2safety recalls
- 0NHTSA investigations
- 0complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2023 Mack MD problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Engine | 1 | 100% | — | — | — |
| Fuel/propulsion System | 1 | 100% | — | — | — |
| Power Train | 1 | 100% | — | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
2023 Mack MD recalls (2)
Tap a recall to see the problem, the risk and the fix.
Seat belts:front:anchorage
Problem: Mack Trucks, Inc. (Mack) is recalling certain 2020-2025 Mack MD, 2019-2025 Anthem, Granite, 2024 MD Electric, and 2025 Pinnacle trucks equipped with a passenger bench seat. The seat belt anchorage bracket may be improperly welded. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 210, "Seat Belt Assembly Anchorages."
Risk: An improperly welded seat belt anchorage bracket can detach during a crash, increasing the risk of injury.
Fix: Dealers will install a reinforcement plate, free of charge. Owner letters were mailed January 21, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0485. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning October 13, 2025.
Engine and engine cooling:engine:engine control module (ecu/ecm)
Problem: Mack Trucks, Inc. (Mack) is recalling certain 2023 MD6/7 trucks. The engine control module (ECM) may experience an internal short-circuit, which can result in an unexpected engine shut down.
Risk: An unexpected engine shut down can increase the risk of a crash.
Fix: Cummins will replace the ECM, free of charge. Owner notification letters were mailed on September 27, 2022. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0438.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
COMPONENTS THAT FAILED: Multiple systems failed in a connected chain. (1) The DPF aftertreatment differential pressure sensor â a CONFIRMED manufacturing defect per Cummins recall T7186/T7187 (Jan 2026). (2) The Allison automatic transmission â catastrophic internal failure: torque converter…
Other Mack MD years
See all Mack MD problems by year, every Mack model, or the VIN decoder.
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Frequently asked questions
What are the most common problems with the 2023 Mack MD?
Owners most often report engine, fuel/propulsion system, power train problems. The top one, engine, accounts for 1 complaint.
Was there a recall on the 2023 Mack MD?
Yes, 2 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2023 Mack MD a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other MD model years, the 2023 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.