Fatal crashes in the US
From 2020 to 2023, 9 2016 MRU vehicles were involved in crashes on US public roads in which someone died; 0 people died inside them. This is a count, not a crash rate: it grows with the number of cars on the road.
NHTSA Fatality Analysis Reporting System (FARS), crash years 2020–2023 (public domain)
Recalls in Canada
5 Transport Canada recalls for the 2016 Mack MRU.
| 2017216 19 Apr 2017 | Electrical Certain vehicles may have been built with an incorrectly sized alternator cable. This could potentially result in the cable overheating, which may increase the … |
| 2016495 11 Oct 2016 | Powertrain On certain vehicles, the cap nut that retains the interaxle driveshaft yoke to the rear axle input shaft may prematurely loosen. If the nut were to loosen and c… |
| 2016078 18 Feb 2016 | Steering On certain vehicles, the roll pin may not have been installed on the upper yoke on the steering shaft during assembly. If the roll pin is missing, the steering … |
| 2015500 23 Oct 2015 | Engine On certain vehicles equipped with natural gas powered engines, the turbocharger oil supply line may make contact with or interfere with one or more of the follo… |
| 2015348 31 Jul 2015 | Engine On certain vehicles equipped with Cummins Westport ISL-G engines, excessive engine crankcase pressure could cause the vent tube assembly elbow to detach from t… |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
Mack Trucks, Inc. (Mack) is recalling certain 2010-2018 MRU and 2019-2025 Terrapro towing vehicles. The vehicles are missing the anti-lock brake (ABS) warning light and circuitry that controls the anti-lock brake function for an attached trailer. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems."
Mack Trucks, Inc. (Mack) is recalling certain model year 2011-2016 Mack MRU and LEU trucks manufactured June 25, 2010, to April 30, 2015, and 2015-2016 LR6 trucks manufactured from December 18, 2014 through March 6, 2015. Excessive engine crankcase pressures may cause the 90-degree elbow of the vent tube assembly to detach from the crankcase ventilation breather, possibly allowing engine oil to come into contact with hot surfaces.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Mack told its dealers about the 2016 Mack MRU: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 11010857 | Vehicles may present with oil leak coming from the clutch/flywheel housing and observation of burned clutch smell or clutch slipping. These symptoms can be mistaken as a crankshaft rear main seal leak, when the actual cause is the crankshaft adaptor O-ring. |
| 11008366 | CBR: To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP fi le will need to be downloaded. |
| 11006925 | CBR: 11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions |
| 11005410 | CBR: Telematics Gateway (TGW) Connect Ability Issues |
| 11003042 | CBR - Accelerator Pedal: Inspection Instructions |
| 11000831 | CBR: Vehicles built with an 11 liter engine may experience a complaint of excessive fuel in the oil. It is possible that the source of the fuel is the rear fuel galley plug in the cylinder head. A new and improved fuel galley plug has been developed to resolve this issue. |
| 10253804 | CBR: Equipped With An Automated Manual Transmission Model D or F ( AMT-D, AMT-F, mDrive) Missing X1 Value In VDA And Default Settings Guidelines, ParameterP1AOB; Fault Code P1052-54, Error 40,Or Error 18 Encountered During Clutch Or Tran. |
| 10251333 | CBR -Telematics Gateway (TGW) Connect Ability Issues |
| 10251331 | CBR - Active "Set Park Brake" Message On Drivers Information Display (DID). |
| 10251329 | CBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft. |
| 10251328 | CBR - Driveline Noise, Suspension Ride Height Too High, Suspension Will Not Exhaust - Chassis Built 2016w01 And Newer. |
| 10249553 | CBR: TGW Will Not Connect After SIM Card Replacement |
| 10248108 | Emissions Campaign: Mack Trucks has determined that certain 2014 - 2018 commercial model year CXU, GU, LEU, LR, MRU Vehicles require a replacement Diesel Particulate Filter (DPF) along with updated software. |
| 10246086 | TSB: Mack Trucks now offer an improved HD Inter-Axle Through Shaft for the CRD 125, 150, 180, and 200 family carriers. The new HD shaft went into production on January 23rd, 2023 for 2.54 - 3.50 axle ratios and April 1st, 2023 for 3.56 - 3.98 ratios. The new HD through shaft is an upgrade over the current standard shaft and can now be used as a replacement part instead of the standard shaft. The new HD shaft has a new design to increase strength, longevity and life over the standard shaft. |
| 10243453 | TSB: Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement |
| 10241946 | TSB: Barksdale Leveling Valve, Leak Test |
| 10240231 | CBR: Programming Failure - Chassis With Cummins Engine And An Allison Transmission |
| 10240202 | CBR: Mack DEF Dosing Valve Diagnostic Trouble Codes (DTC) P202D00, P208E00, P103B00 - US10+OBD13 And Newer Emissions |
| 10237351 | CBR: Automated Manual Transmission ( AMT ) -Transmission Electronic Control Unit ( TECU ) MID130 PSID 29 FMI 7 /P10AE81 Fault Codes Being Generated |
| 10237348 | CBR: Automated Manual Transmission (AMT) Transmission Kickdown Mode |
| 10237342 | CBR: Diagnostic Trouble Code (DTC) P215A-64, Fault Code SPN 84 FMI 19 |
| 10235490 | TSB: Vibration Diagnostics |
| 10235486 | TSB: New Vehicle Safety Certification Requirements for Vehicles, U.S. and Canada |
| 10232613 | Mack MMD Alternator Pulley |
| 10232608 | Mack DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions |
NHTSA manufacturer communications (public domain)
NHTSA investigations
mDrive Transmission Failure to Disengage
NHTSA Office of Defects Investigation