VehicleVerdict

2016 Mack Cxu problems

Verdict · NHTSA data

Limited data — recalls on file

NHTSA has just one complaint on file for the 2016 Mack Cxu — too few to judge reliability from owner reports alone — but one recall campaign applies to this year, so any used example should have its VIN checked for completed recall work.

1

NHTSA complaints

1

Recalls

1

Investigations

0

Crash-involved

0

Fires reported

0

Injuries

0

Deaths

—

NCAP overall

How does 2016 compare to other Cxu years?

Cxu NHTSA complaints by model year, 2016 highlighted5 complaints2006: 0 complaints2007: 0 complaints2008: 0 complaints2009: 5 complaints2010: 1 complaints2013: 0 complaints2014: 0 complaints2015: 0 complaints2016: 1 complaints
Cxu NHTSA complaints by model year, 2016 highlighted. Red bars are years to avoid.

See all Cxu years to avoid →

What are the most common 2016 Mack Cxu problems?

ComponentComplaintsShare
Transmission1100%

Does the 2016 Mack Cxu have recalls?

1 NHTSA recall campaign on file. Recall repairs are free at franchised dealers.

15V025000BrakesJanuary 22, 2015 · 349 units

Defect

Mack Trucks, Inc. (Mack) is recalling certain model year 2015 and 2016 CXU and LEU trucks manufactured May 20, 2014, to March 24, 2015, equipped with certain Haldex Life Seal Type 30/30 Long Stroke Air Brake Actuators manufactured from January 9, 2014, through February 3, 2015. The affected actuators may have an incomplete attachment of the internal rubber diaphragm to the actuation mechanism of the parking brake section of the Life Seal actuator.

Consequence

If the diaphragm is not completely attached, there may be internal leakage from the service section past the diaphragm, potentially trapping air pressure in the parking brake section. This air pressure in turn, if not vented, may prevent full release of the actuator unit, and may induce brake drag and may result in overheated wheelend service brakes, increasing the risk of a fire.

Remedy

Mack will notify owners, and dealers will inspect the brake actuator and replace, as necessary, free of charge. The recall began March 20, 2015. Owners may contact Mack customer service at 1-610-709-2131. Mack's number for this recall is SC0387.

Consumer complaints filed with NHTSA

Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.

“Second occurrence of below happening, first time being 11/28/25, and most recently 11/05/25. Clutch engaged uncommanded while stopped with service brakes engaged. Truck kept trying to power through the service brakes until it was forcefully stalled out with service brakes. Truck is start-able…”

Complaint filed with NHTSA · Transmission · November 5, 2025

2016 Mack Cxu — common questions

Is the 2016 Mack Cxu reliable?

The record is thin — 1 NHTSA complaint — so owner-report data can't strongly confirm reliability either way, though 1 recall should be verified as completed.

Does the 2016 Mack Cxu have recalls?

Yes — NHTSA lists 1 recall campaign affecting the 2016 Mack Cxu. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Is the 2016 Mack Cxu under NHTSA investigation?

NHTSA opened one investigation into this model year; all are now closed.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.