AutoDefect IQ

2021 Western Star 4900 problems, complaints & recalls

0
Complaints
9
Recalls
117
Service bulletins
0
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (9)

Tires 2022-12-12 · campaign 22V919000 · 49 vehicles

Defect: 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.

Risk: Driving with tires that are not compatible with their rims can reduce tire performance, increasing the risk of a crash.

Fix: 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.

Steering:gear Box:shaft Sector 2021-12-08 · campaign 21V946000 · 21 vehicles

Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2022 Western Star 4900 vehicles. The steering shaft pinch bolt may not have been properly tightened, allowing the steering shaft to separate from the steering gear.

Risk: Steering shaft separation may cause a loss of steering control, increasing the risk of a crash.

Fix: Dealers will inspect and replace the pinch bolt as necessary, free of charge. Owner notification letters were mailed on February 28, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-914.

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.

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.

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.

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 (117)

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)

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

Engine 2025-03-20 · CXA 3_25_NOx · Other

cx advocate for nox conversion low faults

Engine 2025-02-20 · CXA 2_25_NOx · Other

cx advocate for nox conversion low faults

Showing the 6 most recent of 117 bulletins. Search all of them free at nhtsa.gov.

What owners report

No detailed complaint narratives on file.

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

Other Western Star 4900 years