Problems owners report
Complaints filed with NHTSA about the 2018 Western Star 4700, by the system named in each complaint. One complaint can name several.
- Air bags1
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 1 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
Fatal crashes in the US
From 2020 to 2023, 11 2018 4700 vehicles were involved in crashes on US public roads in which someone died; 4 people died inside them, and 4 of the vehicles rolled over. 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)
New York safety inspections
At its first New York inspection the 2018 Western Star 4700 failed the safety check 0.81% of the time — 51% less often than the average 2018 passenger car (1.65%). Median odometer at inspection: 71,068 miles.
NY DMV Vehicle Inspections (vezn-fmmk), initial inspections since Aug 2021 · how we count
Recalls in Canada
14 Transport Canada recalls for the 2018 Western Star 4700.
| 2021706 17 Nov 2021 | Tires Issue: Certain trucks were built with tires that are not approved for use with the truck's wheels. As a result, the tires may not perform properly, or a tire … |
| 2021697 12 Nov 2021 | Electrical Issue: On certain trucks, the pass-through power stud (an electrical connection located on the bulkhead) may come into contact with the bulkhead. If this happ… |
| 2021271 7 May 2021 | Fuel System Issue: On certain vehicles, the fuel rail assembly could develop a leak. Note: This recall only affects vehicles equipped with a Cummins L9 or ISX12 diesel … |
| 2020488 16 Oct 2020 | Powertrain Issue: On certain trucks equipped with an Eaton automated manual transmission and electronic clutch actuator (ECA), a component within the clutch assembly cou… |
| 2019336 4 Jul 2019 | Lights And Instruments Issue: On certain trucks equipped with electronic stability control (ESC), the brake lights may turn on when the automatic traction control (ATC) activates. C… |
| 2019237 17 May 2019 | Brakes Issue: Certain trucks were built with air reservoir tanks that are too small in relation to the size of the air brake chambers. Canadian regulations require e… |
| 2018719 20 Dec 2018 | Steering On certain vehicles, the bolts that join the steering and tie rod arm to the steering knuckle may not have been properly tightened. This could lead to a separat… |
| 2018714 19 Dec 2018 | Powertrain This recall was replaced by Transport Canada Recall No. 2020-488. On certain vehicles equipped with an Eaton automated manual transmission and electronic cl… |
| 2018550 9 Oct 2018 | Brakes On certain vehicles equipped with air disc brakes, the brake caliper mounting bolts may be incorrectly torqued. This could result in the caliper bolts loosenin… |
| 2018285 30 May 2018 | Brakes On certain vehicles equipped with air disc brakes, the brake caliper mounting bolts may be incorrectly torqued. This could result in the caliper bolts loosening… |
| 2017580 28 Nov 2017 | Brakes On certain vehicles equipped with certain air disc brakes, the brake caliper mounting bolts may be incorrectly torqued. This could result in the caliper bolts l… |
| 2017583 28 Nov 2017 | Brakes On certain vehicles with air brakes, after several hard brake applications, the brake light pressure switch may not activate the brake lights with a light appli… |
| 2017460 22 Sept 2017 | Electrical On certain vehicles equipped with all wheel drive, over time, the battery cables could contact the front axle yoke. This could result in the cable chaffing agai… |
| 2017357 18 Jul 2017 | Structure On certain vehicles, certain tow hooks that are used for recovery purposes may have been incorrectly manufactured and may not meet material strength specificati… |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
Daimler Trucks North America, LLC (DTNA) is recalling certain 2012-2021 Freightliner SD 108, Freightliner SD 114, 2016-2020 Freightliner Coronado, 2013 Western Star 6900, 2013-2022 Western Star 4700, Western Star 4900, and 2022 49X vehicles. The tires and rims are not approved and rated for these vehicles from the Tire and Rim Association or tire manufacturer. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 120, "Wheels and Rims-Other Than Passenger Cars."
Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2019 Western Star 4700, 4900, 5700, and 6900 trucks. The affected trucks have a power stud that passes through the bulkhead. In certain circumstances, the power stud may contact the bulkhead and result in an electrical arc.
Daimler Trucks North America, LLC (DTNA) is recalling certain 2018-2021 Freightliner Custom Chass XC Chassis, 108SD, Custom Chass XB Chassis, Business Class M2, 114SD, and Western Star 4700 vehicles. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.
Daimler Trucks North America LLC (DTNA) is recalling certain 2018-2019 Freightliner Cascadia, Business Class M2, 108SD, 114SD and 122SD and Western Star 4700, 4900 and 5700 vehicles. An internal component within the clutch assembly may fail, which in certain circumstances could allow the vehicle to move unexpectedly.
Daimler Trucks North America LLC (DTNA) is recalling certain 2018-2019 Freightliner 108SD, 114SD, 122SD, Cascadia, Business Class M2, Western Star 4700, 4900, and 5700 vehicles, equipped with certain Eaton ECA heavy-duty truck clutches. An internal component in the clutch assembly may fail, possibly resulting in unintended vehicle movement.
Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2019 Freightliner 114SD, 122SD, 108SD, Cascadia and Business class M2 trucks, Freightliner Custom Chassis XBS, XCL, XCM, MT45, MT55, S2G, S2RV, XCR and XCS custom chassis and Western Star 4700, 4900 and 5700 trucks equipped with Detroit Axle axles. The affected vehicles may have loose steering and tie rod arm bolts.
Daimler Trucks North America, LLC (DTNA) is recalling certain 2018-2019 Freightliner 108SD, 114SD, Cascadia, Business Class M2, Freightliner Custom Chassis Corporation S2C 106 Cab, S2G Cab Chassis, XCL, XCM, XBS, XCP, XCR, Western Star 4700, 4900 and 5700 trucks. The brake caliper mounting bolts may have been insufficiently tightened.
Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2019 Freightliner M2 Business Class, 108SD, 114SD and Cascadia trucks, Western Star 4700, 4900, and 5700 trucks, FCCC S2C 106 Cab, S2G Cab, XBR, XBS, XCL, XCM, XCP, XCR, and XCS chassis equipped with air disc brakes. The brake caliper mounting bolts on these vehicles may be insufficiently tightened, allowing the bolts to loosen.
Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2019 Western Star 4700, 4900, 5700, and 6900 trucks. The affected trucks have a power stud that passes through the bulkhead. In certain circumstances the power stud may contact the bulkhead and result in an electrical arc.
Daimler Trucks North America, LLC (DTNA) is recalling certain 2008-2018 Freightliner Cascadia, Western Star 4700, 4900, 5700, and 6900 trucks. After hard brake applications, the brake light pressure switch may not activate the brake lights with a light application of the brake pedal.
Daimler Trucks North America LLC (DTNA) is recalling certain 2013-2018 Western Star 4700 trucks. The battery cable may contact the all wheel drive axle yoke.
Daimler Trucks North America (DTNA) is recalling certain 2018 Freightliner Cascadia, M2 Business Class, 114SD, and 122SD trucks, and Western Star 4700 and 5700 trucks. These vehicles have tow hooks used for recovery purposes that may fail during use.
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 Western Star told its dealers about the 2018 Western Star 4700: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 11011082 | CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check. |
| 11011076 | Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair Time Updates |
| 11010186 | CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check. |
| 11010143 | Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines |
| 11008508 | Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines |
| 11005500 | CX Advocate for NOx conversion low faults. Update to CXA 6_24_NOx submission. |
| 11003889 | CX Advocate communication for NOx conversion low faults |
| 11001976 | Customer letter regarding variable speed water pump. |
| 11000986 | Service Solution for Thread Spring Pin Suspension Alignment & Installation |
| 11000984 | Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller |
| 11000978 | Technical Service Bulletin for New Final Drive Over Heat Diagnostic |
| 10251202 | Important Campaign Information letter for FL974 - Revised Bulletin & Population |
| 10251200 | Revised Emissions Recall: Cummins DEF Sensor Shortage. REVISION: Some vehicles formerly in Group F have been moved to Group G and have been assigned a new part number as specified in Table 1. An SRT for 'Calibration Code Only: Update or Confirm' has been added, as shown in Table 2, to be used when a new DEF header is not required. There have been some other minor changes to the work instructions and SRT times. |
| 10249516 | Emissions Recall: Cummins DEF Sensor Shortage |
| 10214907 | Updated Western Star Service Bulletin for HVAC Actuator Replacement |
| 10213225 | Western Star Service Bulletin for HVAC Actuator Replacement. The wiring harness of the actuator of the fresh air recirculation door on Western Star vehicles equipped with Red Dot HVAC systems should be inspected for signs of water intrusion and corrosion. |
| 10208391 | Western Star Service Bulletin for DEF Connector Reinforcement Caps |
| 10207507 | Revised Western Star Service Bulletin for Drive Line Vibration. Minor note: added an update of document previously submitted. The related VMRS codes are added |
| 10205885 | HVAC Actuator Wiring Harness. Revision History: Service kit part number changed from RDH RD5 17147 0 to WWS RD-3-9069-0 on 12/9/21. The wiring harness of the actuator of the fresh air recirculation door, shown in Fig. 1, on Western Star vehicles equipped with Red Dot HVAC systems should be inspected for signs of water intrusion and corrosion. |
| 10202728 | SF626 Western Star Window Replacement Inspection Notification. This letter is to inform you that Field Service Campaign SF626 Western Star Window Replacement Inspection Notification campaign was released. |
| 10201680 | Customer Advisory Letter for HVAC Actuator Wiring Harness. The wiring harness of the actuator of the fresh air recirculation door, shown in Fig. 1, on Western Star vehicles equipped with Red Dot HVAC systems should be inspected for signs of water intrusion and corrosion. |
| 10198595 | Western Star Service Bulletin for Key Fob ID Retention. Key fobs for remote keyless entry on Western Star vehicles are delivered in packages that include a unique ID for the fob. The ID is required when pairing the key fob with a vehicle. |
| 10195575 | Service Solution SS 1033094 KUS Float Tube Fuel Level Sensor Inform... |
| 10193771 | Portland Truck Plant Paint Changes |
| 10193768 | Meritor Transfer Case Updates |
NHTSA manufacturer communications (public domain)
NHTSA investigations
Daimler Trucks North America Recalls
NHTSA Office of Defects Investigation