No complaints are listed for the 2021 Western Star 4900. NHTSA's API and bulk file list none in this build.
Data build 2026-10-09.
NHTSA lists this vehicle as WESTERN STAR 4900.
Model-generated complaint tags: No complaints are listed for tagging.
Recalls
See new recalls and investigations this week.
9 recalls.
Date: 2022-12-12. Systems: TIRES, WHEELS.
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 requireme (excerpt)
Consequence: Driving with tires that are not compatible with their rims can reduce tire performance, increasing the risk of a crash. (excerpt)
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. (excerpt)
Do not drive: No. Park outside: No.
Date: 2021-12-08. Systems: STEERING.
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.
Consequence: Steering shaft separation may cause a loss of steering control, increasing the risk of a crash.
Remedy: 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.
Do not drive: No. Park outside: No.
Date: 2021-11-17. Systems: TIRES.
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 com (excerpt)
Consequence: Unapproved tires that are not rated for the vehicle can cause tire performance issues, increasing the risk of a crash. (excerpt)
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. (excerpt)
Do not drive: No. Park outside: No.
Date: 2021-05-19. Systems: STEERING.
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.
Consequence: Detached or broken tie rod ends can result in steering loss, increasing the risk of a crash.
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.
Do not drive: No. Park outside: No.
Date: 2021-04-12. Systems: STEERING.
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.
Consequence: A fractured bolt may cause a loss of steering, increasing the risk of a crash.
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.
Do not drive: No. Park outside: No.
Date: 2020-10-27. Systems: SUSPENSION.
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.
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.
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.
Do not drive: No. Park outside: No.
Date: 2020-10-14. Systems: EQUIPMENT, TIRES.
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 (excerpt)
Consequence: Incorrect weight rating information on the certification labels could result in potential overloading of the axles, increasing the risk of a crash. (excerpt)
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. (excerpt)
Do not drive: No. Park outside: No.
Date: 2020-09-03. Systems: SUSPENSION.
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.
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.
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.
Do not drive: No. Park outside: No.
Date: 2020-04-10. Systems: EQUIPMENT.
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 St (excerpt)
Consequence: An overloaded vehicle can increase the risk of a crash. (excerpt)
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. (excerpt)
Do not drive: No. Park outside: No.
Manufacturer communications
117 manufacturer communications.
Communications by system| System | Count |
|---|
| EQUIPMENT | 39 |
|---|
| ENGINE AND ENGINE COOLING | 37 |
|---|
| ENGINE | 19 |
|---|
| ELECTRICAL SYSTEM | 17 |
|---|
| EQUIPMENT ADAPTIVE/MOBILITY | 14 |
|---|
| POWER TRAIN | 13 |
|---|
| VISIBILITY | 9 |
|---|
| STEERING | 5 |
|---|
11034507
Date: 2026-06-01. Type: Service Bulletin/Repair Instructions. Systems: FUEL/PROPULSION SYSTEM.
Parts Bulletin for Fluorosilicone Fuel Tank Cap Seals
11030507
Date: 2026-03-19. Type: Other. Systems: ENGINE.
CX Advocate for discolored coolant surge tanks (24CSA-20)
11024958
Date: 2025-10-16. Type: Other. Systems: ENGINE.
CX Advocate for ConMet Oil Pan Insert Additional Issues
11022317
Date: 2025-08-15. Type: Other. Systems: ENGINE.
Revised Customer Service Annoucement for No Trouble Found Heavy Duty Engine Product (HDEP) Oil Separator Leaks
11016309
Date: 2025-03-20. Type: Other. Systems: ENGINE.
CX Advocate for NOx conversion low faults
11014818
Date: 2025-02-20. Type: Other. Systems: ENGINE.
CX Advocate for NOx conversion low faults
11013204
Date: 2025-01-16. Type: Other. Systems: ENGINE.
CX Advocate for NOx conversion low faults
11010130
Date: 2024-10-07. Type: Other. Systems: ENGINE.
Customer Service Annoucement for Heavy-Duty Engine Product (HDEP) Oil Separator Leaks
11010131
Date: 2024-10-07. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
Customer Service Annoucement for Discolored Coolant Surge Tank on Heavy Duty Engine Product (HDEP)
11010143
Date: 2024-10-01. Type: Other. Systems: ENGINE.
Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines