AutoDefect IQ

2021 Western Star 4700 problems, complaints & recalls

Most-reported problem areas: Service Brakes (1)

1
Complaints
14
Recalls
108
Service bulletins
1
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (14)

Equipment:other:labels 2022-05-16 · campaign 22V338000 · 185 vehicles

Defect: 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."

Risk: An overloaded vehicle can increase the risk of a crash.

Fix: 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.

Fuel System, Diesel:fuel Injection System:fuel Rail 2021-12-13 · campaign 21V965000 · 2,843 vehicles

Defect: 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.

Risk: A high pressure fuel leak in the presence of an ignition source can increase the risk of a fire.

Fix: 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.

Tires 2021-11-17 · campaign 21V896000 · 307 vehicles

Defect: 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-Othe

Risk: Unapproved tires that are not rated for the vehicle can cause tire performance issues, increasing the risk of a crash.

Fix: 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.

Steering:linkages:tie Rod Assembly 2021-05-19 · campaign 21V369000 · 8,482 vehicles

Defect: 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.

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

Fix: 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.

Fuel System, Diesel:fuel Injection System:fuel Rail 2021-05-07 · campaign 21V326000 · 9,662 vehicles

Defect: 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.

Risk: A fuel leak in the presence of an ignition source increases the risk of a fire.

Fix: 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.

Steering:linkages:tie Rod Assembly 2021-04-12 · campaign 21V256000 · 12,470 vehicles

Defect: 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.

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

Fix: 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.

Electrical System:wiring 2021-03-24 · campaign 21V206000 · 5,111 vehicles

Defect: 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.

Risk: Damage to the ground harness may cause an engine stall, increasing the risk of a crash.

Fix: 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.

Power Train:clutch Assembly 2021-03-24 · campaign 21V209000 · 2 vehicles

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

Risk: 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.

Fix: 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.

Service Brakes, Hydraulic:foundation Components:disc:caliper 2021-01-20 · campaign 21V018000 · 133 vehicles

Defect: 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.

Risk: 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.

Fix: 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.

Suspension:rear:axle:spindle 2020-10-27 · campaign 20V660000 · 1,411 vehicles

Defect: 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.

Risk: 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.

Fix: 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.

Equipment:other:labels 2020-10-14 · campaign 20V634000 · 53 vehicles

Defect: 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."

Risk: Incorrect weight rating information on the certification labels could result in potential overloading of the axles, increasing the risk of a crash.

Fix: 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.

Suspension:multiple Axle 2020-09-03 · campaign 20V539000 · 103 vehicles

Defect: 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.

Risk: 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.

Fix: 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.

Electrical System:wiring 2020-05-18 · campaign 20V281000 · 2,987 vehicles

Defect: 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.

Risk: An engine stall may increase the risk of a crash.

Fix: 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.

Equipment:other:labels 2020-04-10 · campaign 20V211000 · 89 vehicles

Defect: 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."

Risk: An overloaded vehicle can increase the risk of a crash.

Fix: 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.

Service bulletins (108)

Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.

Fuel/Propulsion System 2026-06-01 · PB-47-900-WST · Service Bulletin/Repair Instructions

parts bulletin for fluorosilicone fuel tank cap seals

Engine 2026-03-19 · CXA 03_26_Surge Tank · Other

cx advocate for discolored coolant surge tanks (24csa-20)

Suspension 2025-10-17 · TSB-32-020-WST · Service Bulletin/Repair Instructions

technical service bulletin for tuftrac m12 bolts

Engine 2025-10-16 · CXA_10_25_Conmet Oil Pan · Other

cx advocate for conmet oil pan insert additional issues

Engine 2025-08-15 · 24CSA-19Rev · Other

revised customer service annoucement for no trouble found heavy duty engine product (hdep) oil separator leaks

Steering 2025-06-19 · PB33-005-WST · Service Bulletin/Repair Instructions

parts bulletin for tie rod assembly part breakdown

Showing the 6 most recent of 108 bulletins. Search all of them free at nhtsa.gov.

What owners report

2024-04-19 · Service Brakes · 💥 crash

“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 hill and stopped when it crashed into a tree. there …”

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Western Star 4700 years