Model year

2018 Mack MRU

Truck, diesel, 6x4, built in United States. Owner complaints on file from Oct 6, 2020 to Oct 6, 2020.

Recall campaigns covering this model year1142 vehicles or units across those campaigns
Owner complaints1Close to the median 2018 truck
Severity index0.02018 trucks average 14.3
First 24 months0Complaints in its first two years
Complaints over time

Complaints about the 2018 Mack MRU peaked in 2020, with 1 filed

Owner complaints about this model year, by the year they were filed with NHTSA.

00.250.50.75120201202120222023202420252026
Source: NHTSA ODI complaints file. The lighter column runs through October.
Components

100% of complaints about the 2018 Mack MRU name wheels

Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.

Wheels
1
Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls

One recall campaign covers the 2018 Mack MRU

Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.

Recall campaigns for the 2018 Mack MRU
CampaignFiledSubjectComponentVehiclesRemedy
25V-030Jan 23, 2025Vehicles are missing the anti-lock brake (ABS) warning light and circuitry that controls the anti-lock brake function for an attached trailerBrakes142Repair or modification
Source: NHTSA ODI recalls file.
Owner complaints

What owners reported about the 2018 Mack MRU

The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.

1 complaint on file, page 1 of 1.

  1. Filed Oct 6, 2020Failure Oct 5, 202040,000 milesWoodstock, GAWheels

    2018 MACK GRU WITH 40K HAS TWO CRACKED FRONT WHEELS MADE BY ALCOA. WE HAVE 10 OTHER TRUCKS 2012 TO 2019 WITH SAME WHEELS AND NO CRACKS. AFTER LITTLE RESEARCH ON THE INTERNET IT IS OBVIOUS MANY OTHER PEOPLE ARE HAVING THIS PROBLEM ON BUSES, RVS, AND TRUCKS. STRANGE WE WOULD HAVE 2 ON SAME TRUCK AND NO OTHERS. IT IS EASY TO ASSUME THE ALUMINUM ALLOY IS NOT RIGHT. VERY DANGEROUS!!!! PICTURES ATTACHED, YOU ARE WELCOME TO WHEELS, NOT LOOKING FOR ANYTHING, JUST GIVING INFORMATION

    NHTSA complaint 11362996
Source: NHTSA ODI complaints file.
Investigations

NHTSA has not opened an investigation on this model year

Source: NHTSA ODI investigations file.
Service bulletins

276 manufacturer communications cover this model year

Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall; the 60 most recent are listed.

  • CBR 2573-1 202604 Apr 9, 2026 · Service Bulletin/Repair Instructions
    CBR - Mack Chassis - Through Shaft Bearing Retainer Breakage On Mack Carriers.
  • CBR 2362-3 202604 Apr 9, 2026 · Service Bulletin/Repair Instructions
    CBR - Mack Carrier Nut Adhesive Change.
  • CBR 126 022026 Feb 4, 2026 · Service Bulletin/Repair Instructions
    CBR - The purpose of this solution is to give information on Engine Control Module (EMS) Software content.
  • CBR 820-9 202601 Jan 8, 2026 · Service Bulletin/Repair Instructions
    CBR - Mack Chassis - Engine Brake Only Works With The Brake Pedal, No Function During Cruise. US07 And Newer Emissions, Model Year 2008 And Newer.
  • CBR 2107-22 202601 Jan 7, 2026 · Service Bulletin/Repair Instructions
    CBR - Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions to US22+OBD2023 (DOES NOT APPLY TO AN(4) and PR(4)).
  • S4571 082025 Aug 1, 2025 · Service Campaign
    FI - Drag Link and Pitman Arm Replacement.
  • CBR 407 072025 Jul 17, 2025 · Service Bulletin/Repair Instructions
    CBR - To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP file will need to downloaded.
  • CBR 2488 072025 Jul 28, 2025 · Service Bulletin/Repair Instructions
    CBR - A significant GPS reporting issue is affecting fleet operations, with trucks maintaining back-office communication but failing to transmit GPS location data.
  • CBR 2107-21 202505 May 27, 2025 · Service Bulletin/Repair Instructions
    Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer
  • CBR 901-5 202505 May 13, 2025 · Service Bulletin/Repair Instructions
    Remote Control Central Door Lock, Programming; Key Fob Cannot Be Programmed Or Does Not Work After Programming - Model Year 2018 And Newer
  • CBR 445- 11 202505 May 1, 2025 · Service Bulletin/Repair Instructions
    Vehicles Equipped With a Common Rail Fuel System - Aftermarket Secondary Fuel Filters, Important Information On Approved Filters - US17+OBD16 toUS21+OBD23
  • CBR-561 202503 Mar 6, 2025 · Service Bulletin/Repair Instructions
    If oil dilution is suspected refer to the applicable CBR solution below: ∙ CBR-659􀁡Mack Chassis - Oil Diluted With Fuel; Fuel In Oil, Diagnostic Information - All Emissions, All Model Years
  • CBR-2016 202412 Dec 3, 2024 · Service Bulletin/Repair Instructions
    Frame lean can be caused by several seemingly isolated possibilities. The two most common are suspension and frame assembly issues.
  • CBR-997 202411 Nov 14, 2024 · Service Bulletin/Repair Instructions
    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.
  • CBR-570 202409 Sep 20, 2024 · Service Bulletin/Repair Instructions
    CBR: US17 GHG Common Rail Fuel System Component Electrical Faults - Model Year 2017 To 2024
  • CBR-407 202409 Sep 13, 2024 · Service Bulletin/Repair Instructions
    CBR: To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP fi le will need to be downloaded.
  • CBR-2391 202408 Aug 6, 2024 · Service Bulletin/Repair Instructions
    CBR: Diagnostic Trouble Code (DTC) U010187- Lost Communication With TECU
  • CBR-561 202408 Aug 13, 2024 · Service Bulletin/Repair Instructions
    CBR: 11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions
  • CBR-523 202408 Aug 13, 2024 · Service Bulletin/Repair Instructions
    CBR: Overhead Wear Overview - Model Year2018 To Current (Common Rail Fuel System ONLY)
  • CBR-2350 202407 Jul 2, 2024 · Service Bulletin/Repair Instructions
    CBR: Telematics Gateway (TGW) Connect Ability Issues
  • CBR-2383 202406 Jun 19, 2024 · Service Bulletin/Repair Instructions
    CBR - Accelerator Pedal: Inspection Instructions
  • CBR-2139 202405 May 2, 2024 · Service Bulletin/Repair Instructions
    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 reso…
  • M0309 202405 May 28, 2024 · Emissions
    Emission Recall: Mack Trucks has identified that the Selective Catalyst Reduction (SCR) system in certain vehicles equipped with the MY 2017 or 2018 MP8 (13L VGT) engine are not meeting California and EPA emissions standards, or Mack cannot confirm its com…
  • M0303 202405 May 28, 2024 · Emissions
    Emission Recall: Mack Trucks has determined that certain vehicles equipped with a model year (“MY”) 2017-2018 MP8 VGT engines may not meet California and Federal Regulations (CARB). This Recall is for updated software that will reduce the amount of time nec…
  • CBR-2013 202404 Apr 2, 2024 · Service Bulletin/Repair Instructions
    CBR: Turbo Compound (TC) Hot Side Noise, Diagnostic Information.
  • CBR-1008 202404 Apr 22, 2024 · Service Bulletin/Repair Instructions
    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.
  • CBR-2350 202402 Feb 21, 2024 · Service Bulletin/Repair Instructions
    CBR -Telematics Gateway (TGW) Connect Ability Issues
  • CBR-2347 202402 Feb 16, 2024 · Service Bulletin/Repair Instructions
    CBR - Active "Set Park Brake" Message On Drivers Information Display (DID).
  • CBR-202 202402 Feb 16, 2024 · Service Bulletin/Repair Instructions
    CBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft.
  • CBR-2014 202402 Feb 16, 2024 · Service Bulletin/Repair Instructions
    CBR - Driveline Noise, Suspension Ride Height Too High, Suspension Will Not Exhaust - Chassis Built 2016w01 And Newer.
  • CBR-2333 202401 Jan 18, 2024 · Service Bulletin/Repair Instructions
    CBR: TGW Will Not Connect After SIM Card Replacement
  • EC0028M 202312 Dec 1, 2023 · Service Bulletin/Repair Instructions
    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.
  • M-465-001 202311 Nov 7, 2023 · Service Bulletin/Repair Instructions
    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 ne…
  • CBR-399 202310 Oct 19, 2023 · Service Bulletin/Repair Instructions
    CBR: Vehicle Overspeed Warning Comes Active At A Lower Speed Than Expected; Vehicle Overspeed Warning In Driver Information Display (DID) - Model Year 2018 And Newer With New Style Instrument Cluster
  • CBR-570 202309 Sep 22, 2023 · Service Bulletin/Repair Instructions
    CBR: Model Year 2017, 2018 - US17GHG Common Rail Fuel System Component Electrical Faults
  • M-258-014 202309 Sep 5, 2023 · Service Bulletin/Repair Instructions
    TSB: Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement
  • S7567 202309 Sep 4, 2023 · Service Bulletin/Repair Instructions
    Service Campaign: Electronic Pressure Relief Valve (EPRV) Delete & Fuel Rail Pressure Sensor Update
  • M728-005A 202308 Aug 14, 2023 · Service Bulletin/Repair Instructions
    TSB: Barksdale Leveling Valve, Leak Test
  • CBR-2112 202307 Jul 24, 2023 · Service Bulletin/Repair Instructions
    CBR: Programming Failure - Chassis With Cummins Engine And An Allison Transmission
  • CBR-2303 202307 Jul 1, 2023 · Service Bulletin/Repair Instructions
    CBR: Mack DEF Dosing Valve Diagnostic Trouble Codes (DTC) P202D00, P208E00, P103B00 - US10+OBD13 And Newer Emissions
  • KC-331-Ver6 May 22, 2023 · Service Bulletin/Repair Instructions
    CBR: Model Year 2017 to Current - Fuel Filter Change ( Primary And Secondary ) For The EM - USA17 Emission Engines
  • KC-503-Ver3 May 17, 2023 · Service Bulletin/Repair Instructions
    CBR: Automated Manual Transmission ( AMT ) -Transmission Electronic Control Unit ( TECU ) MID130 PSID 29 FMI 7 /P10AE81 Fault Codes Being Generated
  • KC-2229-Ver2 May 10, 2023 · Service Bulletin/Repair Instructions
    CBR: Automated Manual Transmission (AMT) Transmission Kickdown Mode
  • KC-474-Ver5 May 2, 2023 · Service Bulletin/Repair Instructions
    CBR: Diagnostic Trouble Code (DTC) P215A-64, Fault Code SPN 84 FMI 19
  • M-170-003 Apr 18, 2023 · Service Bulletin/Repair Instructions
    TSB: Vibration Diagnostics
  • M-170-002 Apr 18, 2023 · Service Bulletin/Repair Instructions
    TSB: New Vehicle Safety Certification Requirements for Vehicles, U.S. and Canada
  • S7627 Feb 28, 2023 · Service Bulletin/Repair Instructions
    Mack MMD Alternator Pulley
  • S7567 Feb 28, 2023 · Service Bulletin/Repair Instructions
    Electronic Pressure Releif Valve (EPRV) Delete & Fuel Rail Pressure Sensor
  • KC-2165 Feb 10, 2023 · Service Bulletin/Repair Instructions
    Mack DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions
  • KC-2248 Feb 21, 2023 · Service Bulletin/Repair Instructions
    Flywheel Housing Thread Repair
  • M-728-001 Sep 22, 2022 · Service Bulletin/Repair Instructions
    2008 Document reformatted to be published as a TSB in Impact. Air suspension ride height.
  • M-823-002 Sep 21, 2022 · Service Bulletin/Repair Instructions
    2008 Document reformatted to be published as a TSB in Impact. Grille bar, replacment.
  • M-258-000 Sep 21, 2022 · Service Bulletin/Repair Instructions
    2008 Document reformatted to be published as a TSB in Impact. Water entering the DPF.
  • M-390-001 Sep 15, 2022 · Service Bulletin/Repair Instructions
    2008 Document reformatted to be published as a TSB in Impact. Electrical equipment panel label.
  • M-258-011 Sep 15, 2022 · Service Bulletin/Repair Instructions
    2008 Document reformatted to be published as a TSB in Impact. Differential pressure sensor hose.
  • M-851-001 Sep 15, 2022 · Service Bulletin/Repair Instructions
    2008 Document reformatted to be published as a TSB in Impact. Crack in cab at engine tunnel.
  • M-222-001 Sep 15, 2022 · Service Bulletin/Repair Instructions
    2008 Document reformatted to be published as a TSB in Impact. Loose oil filter spud.
  • M-260-001 Sep 15, 2022 · Service Bulletin/Repair Instructions
    2008 Document reformatted to be published as a TSB in Impact. Cooling system connections.
  • M-721-004 Sep 15, 2022 · Service Bulletin/Repair Instructions
    2008 Document reformatted to be published as a TSB in Impact. Chassis lean.
  • M-801-001 Sep 15, 2022 · Service Bulletin/Repair Instructions
    2008 Document reformatted to be published as a TSB in Impact. Paint protection.
Source: NHTSA manufacturer communications files.