NHTSA vehicle safety data

2021 Western Star 4700 Recalls & Complaints

The 2021 Western Star 4700 has 14 NHTSA recall campaigns and 1 owner complaint 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 2021 Western Star 4700. Recall data is refreshed daily from NHTSA.

2021 Western Star 4700 owner complaints

Owners have filed 1 complaint with NHTSA about the 2021 Western Star 4700, describing incidents dated March 15, 2023.

Most-cited components

  • Service Brakes 1 complaint

The complaint on file reports a crash (owner-reported, not verified by NHTSA).

Newest complaints

  • ODI #11584008 · Filed

    The contact owns a 2021 Western Star 4700 WD110084S. The contact stated that an employee was parked on a hill and the parking brake was activated, however, while the worker was outside of the vehicle for approximately 4 minutes, the parking brake was deactivated. The vehicle rolled forward down a…

Read the full complaint

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.

Loose Tie Rod Clamps

NHTSA #21V369000 · Steering — Linkages — Tie Rod Assembly · NHTSA notice

Reported May 19, 2021 · Daimler Trucks North America, LLC

Potentially affected: 8,482 vehicles

Repair completion: 88.21% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)

Manufacturer campaign FL-888 · Owners notified December 23, 2021

Defect description

Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2022 Freightliner 114SD, 122SD, Business Class M2, Cascadia, 108SD, Western Star 4900, 4700, 5700, Custom Chass RV Chassis, Custom Chass S2 Chassis, Custom Chass XC Chassis, Custom Chass XB Chassis, and Custom Chass MT Chassis. The tie rod clamps may be loose, which could result in loose tie rod ends that could break or detach.

Safety consequence

Detached or broken tie rod ends can result in steering loss, increasing the risk of a crash.

Manufacturer remedy

Dealers will replace the tie rod clamp bolts and nuts, free of charge. Owner notification letters were mailed December 23, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-888.

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.

Steering Arm and Tie Rod Bolts May Fracture

NHTSA #21V256000 · Steering — Linkages — Tie Rod Assembly · NHTSA notice

Reported April 12, 2021 · Daimler Trucks North America, LLC

Potentially affected: 12,470 vehicles

Repair completion: 89.78% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)

Manufacturer campaign FL-884 · Owners notified June 10, 2021

Defect description

Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2022 Freightliner Cascadia, Business Class M2, 114SD, 108SD, 122SD, Custom Chass S2 Chassis, Custom Chass XB Chassis, Custom Chass XC Chassis, and Custom Chass MT Chassis Western Star 4700, 4900, 5700 vehicles. The steering arm and tie rod bolts may have a defective seam that can fracture.

Safety consequence

A fractured bolt may cause a loss of steering, increasing the risk of a crash.

Manufacturer remedy

DTNA will notify owners, and dealers will replace the tie rod arm and steering arm bolts, free of charge. The recall began on June 10, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-884.

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.

Clutch Flange May Break

NHTSA #21V209000 · Power Train — Clutch Assembly · NHTSA notice

Reported March 24, 2021 · Daimler Trucks North America, LLC

Potentially affected: 2 vehicles

Repair completion: 100% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)

Manufacturer campaign FL-881 · Owners notified May 7, 2021

Defect description

Daimler Trucks North America, LLC (DTNA) is recalling certain 2021 Freightliner Cascadia and Western Star 4700 vehicles. The clutch flange may break.

Safety consequence

If flange failure occurs, loose parts may fall into the clutch pressure plate assembly, resulting in clutch disengagement, thereby increasing the risk of a crash.

Manufacturer remedy

DTNA will notify owners, and dealers will replace the clutch on the affected vehicles, free of charge. The recall began on May 7, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-881.

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.

Caliper Mounting Bolt Not Tightened Properly

NHTSA #21V018000 · Service Brakes, Hydraulic — Foundation Components — Disc — Caliper · NHTSA notice

Reported January 20, 2021 · Daimler Trucks North America, LLC

Potentially affected: 133 vehicles

Repair completion: 80.45% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)

Manufacturer campaign FL-873 · Owners notified March 17, 2021

Defect description

Daimler Trucks North America, LLC (DTNA) is recalling 2021 Western Star 4700 and 5700, Freightliner Business Class M2, Cascadia, and Custom Chassis XC Chassis vehicles manufactured with a certain steering arm configuration with air disc brakes identified by the axle assembly supplier. On certain vehicles, one of the six brake caliper mounting bolts on the driver side steer axle may have been incorrectly tightened.

Safety consequence

The loose bolt could result in the other caliper bolts to loosen. Insufficiently tightened bolts may not provide adequate clamping force between the brake caliper and brake anchor plate, resulting in reduced brake effectiveness, increasing the risk of a crash.

Manufacturer remedy

DTNA will notify owners, and dealers will inspect and repair as necessary, free of charge. The recall began March 17, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-873.

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.

Steer Axle Spindle Nut Snap-Ring Installation

NHTSA #20V660000 · Suspension — Rear — Axle — Spindle · NHTSA notice

Reported October 27, 2020 · Daimler Trucks North America LLC

Potentially affected: 1,411 vehicles

Repair completion: 83.63% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)

Manufacturer campaign FL-866 · Owners notified December 18, 2020

Defect description

Daimler Trucks North America LLC (DTNA) is recalling certain 2020-2021 Freightliner Cascadia, 2021 Freightliner 108SD, 114SD and Business Class M2 and Western Star 4700, 4900 and 5700 vehicles. The steer axle spindle nut snap-ring locking feature may be incorrectly installed or missing from the left spindle nut at the spindle.

Safety consequence

A missing or improperly installed locking snap ring can result in wheel-end failure and potentially a wheel-off/separation condition, increasing the risk of crash.

Manufacturer remedy

DTNA will notify owners, and dealers will inspect the hub cap plug, and reinstall or replace of the snap-ring as needed, free of charge. The recall began December 18, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-866.

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.

Other Western Star 4700 model years

Check your 2021 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