NHTSA vehicle safety data
2020 Western Star 4700 Recalls & Complaints
The 2020 Western Star 4700 has 12 NHTSA recall campaigns and 2 owner complaints on file as of November 3, 2026. Recall repairs are usually free at an authorized Western Star dealer.
NHTSA recall and complaint data for the 2020 Western Star 4700. Recall data is refreshed daily from NHTSA.
2020 Western Star 4700 owner complaints
Owners have filed 2 complaints with NHTSA about the 2020 Western Star 4700, describing incidents dated November 5, 2024 to September 26, 2025.
Most-cited components
- Electrical System 1 complaint
- Engine 1 complaint
- Forward Collision Avoidance 1 complaint
- Service Brakes 1 complaint
- Steering 1 complaint
Together, the 2 complaints on file report 1 death (owner-reported, not verified by NHTSA).
Newest complaints
ODI #11698636 · Filed
What component or system failed or malfunctioned, and is it available for inspection upon request? - Automated emergency breaking ABS Forward collision warning, potentially others. Unsure if the vehicle is available for inspection due to insurance claim. How was your safety or the safety of others…
ODI #11639895 · Filed
Western Star utilizes relay in master power distribution, they call PNDB. When this device is faulty it interrupts the power to engine causing truck engine to shut down. This shut down has happened with the truck fully loaded (71,000 LBS) traveling at 60 mph a couple of times. With no engine power…
Incompatible Tires and Rims/FMVSS 120
NHTSA #22V919000 · Wheels — Rim · NHTSA notice
Reported December 12, 2022 · Daimler Trucks North America, LLC
Potentially affected: 49 vehicles
Repair completion: 55.1% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign FL-962 · Owners notified June 2, 2023
Defect description
Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2023 Freightliner 114SD, 2023 Freightliner 122SD, 2020 Western Star 4700, 2019-2022 Western Star 4900, 2019-2023 Freightliner Business Class M2, and 2021 Freightliner Cascadia vehicles. The vehicles are equipped with tires that are not compatible with their 8.25-inch rims. 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."
Safety consequence
Driving with tires that are not compatible with their rims can reduce tire performance, increasing the risk of a crash.
Manufacturer remedy
Dealers will replace the tires, free of charge. Owner notification letters were mailed June 2, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-962.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Incorrect GAWR on Certification Label/Part 567
NHTSA #22V338000 · Equipment — Other — Labels · NHTSA notice
Reported May 16, 2022 · Daimler Trucks North America, LLC
Potentially affected: 185 vehicles
Repair completion: 68.65% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign FL-933 · Owners notified July 14, 2022
Defect description
Daimler Trucks North America, LLC (DTNA) is recalling certain 2020 Freightliner Cascadia, 2020-2022 Western Star 4700 and 5700, 2022 Western Star 4900, and 2020-2023 Freightliner New Cascadia vehicles. The Gross Axle Weight Rating (GAWR) listed on the Federal Certification Label is incorrect, which can allow the vehicle to be overloaded. As such, these vehicles fail to comply with the requirements of 49 CFR Part 567, "Certification."
Safety consequence
An overloaded vehicle can increase the risk of a crash.
Manufacturer remedy
Dealers will be replace the GAWR labels, free of charge. Owner notification letters were mailed July 14, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-933.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Fuel Tubes May Crack and Leak Fuel
NHTSA #21V965000 · Fuel System, Diesel — Fuel Injection System — Fuel Rail · NHTSA notice
Reported December 13, 2021 · Daimler Trucks North America, LLC
Potentially affected: 2,843 vehicles
Repair completion: 77.56% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign FL-915 · Owners notified March 11, 2022
Defect description
Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2022 Western Star 4700, 2019-2022 Freightliner 114SD, 2021-2022 Western Star 49X, Freightliner Cascadia P4, 2022 Western Star 47X, 2021 Western Star WF110, 2020 Western Star WJ121, and 2019-2021 FCCC XCP Chassis vehicles. The fuel tubes between the fuel rail and the injectors for cylinders four, five, and six may fatigue and crack, which can result in a high pressure fuel leak.
Safety consequence
A high pressure fuel leak in the presence of an ignition source can increase the risk of a fire.
Manufacturer remedy
Dealers will replace the fuel tubes, and install vibration isolators, free of charge. Owner notification letters were mailed January 28, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-915.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Unapproved Tire and Rim Combination/FMVSS 120
NHTSA #21V896000 · Tires · NHTSA notice
Reported November 17, 2021 · Daimler Trucks North America, LLC
Potentially affected: 307 vehicles
Repair completion: 45.6% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign FL-908 · Owners notified April 22, 2022
Defect description
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."
Safety consequence
Unapproved tires that are not rated for the vehicle can cause tire performance issues, increasing the risk of a crash.
Manufacturer remedy
Dealer will inspect and replace, as necessary, tires and rims, free of charge. Interim owner notification letters were mailed January 14, 2022. Owner notification letters were mailed on April 22, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall FL-908.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
High Pressure Fuel Rail Assembly May Leak Fuel
NHTSA #21V326000 · Fuel System, Diesel — Fuel Injection System — Fuel Rail · NHTSA notice
Reported May 7, 2021 · Daimler Trucks North America, LLC
Potentially affected: 9,662 vehicles
Repair completion: 64.63% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign FL-886 · Owners notified July 30, 2021
Defect description
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.
Safety consequence
A fuel leak in the presence of an ignition source increases the risk of a fire.
Manufacturer remedy
Dealers will replace the fuel rail and fuel lines, free of charge. Interim owner notification letters were mailed on June 21, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-886.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Undersized Ground Wire May Cause Engine Stall
NHTSA #21V206000 · Electrical System — Wiring · NHTSA notice
Reported March 24, 2021 · Daimler Trucks North America, LLC
Potentially affected: 5,111 vehicles
Repair completion: 83.66% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign FL-880 · Owners notified July 16, 2021
Defect description
Daimler Trucks North America, LLC (DTNA) is recalling certain 2019-2021 Western Star 4700 and Western Star 5700 vehicles. The ground harness wiring may be undersized and may cause a connector to melt.
Safety consequence
Damage to the ground harness may cause an engine stall, increasing the risk of a crash.
Manufacturer remedy
DTNA will notify owners, and dealers will replace the ground harness, free of charge. The recall is expected to begin May 22, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-880.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Incorrect GAWR on Certification Label/FMVSS 120
NHTSA #20V634000 · Equipment — Other — Labels · NHTSA notice
Reported October 14, 2020 · Daimler Trucks North America LLC
Potentially affected: 53 vehicles
Repair completion: 83.02% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign FL-864 · Owners notified November 25, 2020
Defect description
Daimler Trucks North America LLC (DTNA) is recalling certain 2020-2021 Western Star 4700 and 4900 and Freightliner Coronado, 108SD and 114SD vehicles. The vehicle certification label contains incorrect information, stating a Gross Axle Weight Rating (GAWR) that exceeds the tire capacity rating. 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."
Safety consequence
Incorrect weight rating information on the certification labels could result in potential overloading of the axles, increasing the risk of a crash.
Manufacturer remedy
DTNA will notify owners, and dealers will install accurate GAWR labels, free of charge. The recall began November 25, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-864.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Lower Rear Pivot Cap Screws May Be Too Short
NHTSA #20V539000 · Suspension — Multiple Axle · NHTSA notice
Reported September 3, 2020 · Daimler Trucks North America LLC
Potentially affected: 103 vehicles
Repair completion: 90.29% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign FL-862 · Owners notified October 30, 2020
Defect description
Daimler Truckers North America LLC (DTNA) is recalling certain 2020-2021 Freightliner 114SD, 122SD and Western Star 4700, and 4900 vehicles equipped with certain SL2065 steerable lift axles. The lower rear pivot cap screws may not be long enough to sufficiently engage the locking feature of the corresponding nuts.
Safety consequence
If the screws are not long enough to engage the corresponding nuts, the hardware may separate from the suspension system, becoming a road hazard, increasing the risk of a crash and/or injury.
Manufacturer remedy
DTNA will notify owners, and dealers will inspect the lower rear pivot cap screws for the proper length, correcting the hardware as necessary, free of charge. The recall began October 30, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-862.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Undersized Ground Wire May Cause Engine Stall
NHTSA #20V281000 · Electrical System — Wiring · NHTSA notice
Reported May 18, 2020 · Daimler Trucks North America LLC
Potentially affected: 2,987 vehicles
Repair completion: 94.01% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign FL-852 · Owners notified June 23, 2020
Defect description
Daimler Trucks North America LLC (DTNA) is recalling certain 2019-2021 Western Star 4700 and 5700 vehicles. A particular wire in the ground harness may be undersized, possibly resulting in a melted connector in the ground circuit harness. If the connector becomes damaged, under certain circumstances, the engine may stall without the ability to restart.
Safety consequence
An engine stall may increase the risk of a crash.
Manufacturer remedy
DTNA will notify owners, and dealers will replace the ground harness, free of charge. This recall began June 23, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-852.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Incorrect GAWR on Certification Label/FMVSS 120
NHTSA #20V211000 · Equipment — Other — Labels · NHTSA notice
Reported April 10, 2020 · Daimler Trucks North America LLC
Potentially affected: 89 vehicles
Repair completion: 88.76% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign FL847 · Owners notified May 28, 2020
Defect description
Daimler Trucks North America LLC (DTNA) is recalling certain 2020 Freightliner 108SD and 2020-2021 Freightliner Coronado, 114SD, and Western Star 4700 and 4900 vehicles. The Gross Axle Weight Rating (GAWR) on the certification label may be incorrect, possibly resulting in the vehicle being overloaded. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 120, "Wheels and Rims - Other Than Passenger Cars."
Safety consequence
An overloaded vehicle can increase the risk of a crash.
Manufacturer remedy
DTNA will notify owners, and dealers will update the GAWR labels, free of charge. The recall began May 28, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL847.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Insufficiently Tightened Brake Caliper Bolts
NHTSA #20V127000 · Service Brakes, Air — Disc — Caliper · NHTSA notice
Reported March 3, 2020 · Daimler Trucks North America LLC
Potentially affected: 2,585 vehicles
Repair completion: 92.26% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign FL-845 · Owners notified May 1, 2020 · Vehicles built September 4, 2018 – March 29, 2019 (per NHTSA)
Defect description
Daimler Trucks North America LLC (DTNA) is recalling certain 2019-2020 Freightliner 108SD, 114SD, Cascadia, Business Class M2, Western Star 4700 and 5700, Freightliner Custom Chassis S2, Custom Chassis XB, and Custom Chassis XC vehicles equipped with air disc brakes. The brake caliper mounting bolts may have been insufficiently tightened.
Safety consequence
Loose brake caliper mounting bolts can reduce brake effectiveness, increasing the risk of a crash.
Manufacturer remedy
DTNA will notify owners, and dealers will inspect and repair the vehicles, free of charge. The recall began May 1, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-845.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Improperly Installed Steering Shaft Assembly
NHTSA #19V769000 · Steering · NHTSA notice
Reported October 25, 2019 · Daimler Trucks North America LLC
Potentially affected: 1,331 vehicles
Repair completion: 84.45% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign FL-835 · Owners notified November 27, 2019 · Vehicles built January 4, 2019 – October 4, 2019 (per NHTSA)
Defect description
Daimler Trucks North America LLC (DTNA) is recalling certain 2020 Western Star 4700 vehicles. The steering shaft may have been improperly installed, potentially causing a loss of connection between the steering wheel and front axle wheels.
Safety consequence
This loss of connection would result in a loss of steering control, increasing the risk of a crash.
Manufacturer remedy
DTNA will notify owners and dealers will inspect the vehicles, correcting the steering shaft installation, as necessary, free of charge. The recall began November 27, 2019. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-835.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Other Western Star 4700 model years
Check your 2020 Western Star 4700 VIN
Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Western Star 4700 at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.
Check a Western Star VIN