2021 Western Star 49X: recalls and complaints

NHTSA advisory: do not driveCampaign 21V864000. NHTSA received the report on 5 Nov 2021. 479 units. Steering

Remedy of campaign 21V864000, in the NHTSA record

Owners are advised to not drive their vehicles until the inspection has been performed. Dealers will inspect the steering shaft and repair it, as necessary, free of charge. Owner notification letters were mailed January 12, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is 905.

Do-not-drive advisory: A mark on a recall campaign in the NHTSA recall file. This site shows the mark as NHTSA sets it.

NHTSA lists 13 recall campaigns for the 2021 Western Star 49X. The newest campaign is 26V079000. NHTSA received the report on 11 Feb 2026. The NHTSA record gives the component Electrical System / 12v/24v/48v Battery. NHTSA has no complaint on file for this model year.

This page cannot show if a recall applies to one vehicle. The NHTSA VIN lookup shows the unrepaired recalls of one vehicle.

Remedy of the newest campaign, 26V079000, in the NHTSA record

Dealers will repair the studs, free of charge. Owner notification letters were mailed May 22, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1029. This recall replaces and expands NHTSA recall number 25V326. Vehicles already repaired under the previous recall will need to have the new remedy completed.

NHTSA VIN lookup

Complaint information entered into NHTSA’s Office of Defects Investigation vehicle owner's complaint database is used with other data sources to identify safety issues that warrant investigation and to determine if a safety-related defect trend exists.
NHTSA publishes these words. Source: NHTSA Datasets and APIs, section Complaints, read on 1 Oct 2026. Complaint file through 29 Mar 2018. Recall file through 30 Sep 2026.

Since the last update

No tracked figure of this page changed in a data update. What the log tracks

All updates to the register

Recall campaigns

13 campaigns, newest first. 530,592 units in total.

26V07900011 Feb 2026Electrical System / 12v/24v/48v Battery
25V7600004 Nov 2025Suspension / Critical Fasteners
25V32600023 Jun 2025Electrical System / 12v/24v/48v Battery
24V66800010 Sep 2024Exterior Lighting / Brake Lights
23V20800028 Mar 2023Exterior Lighting / Hazard Flashing Warning Lights
23V07300010 Feb 2023Electronic Stability Control (ESC)
22V8170001 Nov 2022Service Brakes, Air / Antilock / Modulator
22V65400029 Aug 2022Structure / Body / Hood
22V2300008 Apr 2022Visibility / Windshield Wiper/Washer / Linkages
22V2270007 Apr 2022Structure / Body
21V96500013 Dec 2021Fuel System, Diesel / Fuel Injection System / Fuel Rail
21V8640005 Nov 2021SteeringAdvisory
21V48100025 Jun 2021Electrical System / 12v/24v/48v Battery / Cables

26V079000Received 11 Feb 2026. 26,960 units.
Electrical System / 12v/24v/48v Battery
Defect, in the NHTSA record
Daimler Trucks North America (DTNA) is recalling certain 2020-2027 Western Star 49X and 2021-2027 Western Star 47X vehicles. A stud connecting the battery to the starter at the frame rail may have been incorrectly installed or may corrode, which can cause a short circuit.
Consequence, in the NHTSA record
A short circuit increases the risk of a fire.
Remedy, in the NHTSA record
Dealers will repair the studs, free of charge. Owner notification letters were mailed May 22, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1029. This recall replaces and expands NHTSA recall number 25V326. Vehicles already repaired under the previous recall will need to have the new remedy completed.
Report filed by Daimler Trucks North America, LLC. Manufacturer campaign number F1029. Owner notification date in the NHTSA record: 22 May 2026.
25V760000Received 4 Nov 2025. 18,783 units.
Suspension / Critical Fasteners
Defect, in the NHTSA record
Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2026 Western Star 49X, Freightliner Business Class M2, Freightliner 114SD, Freightliner 108SD, 2021-2026 Western Star 47X, 2021-2023 Freightliner 122SD, 2022 Western Star 48X, and 2023 Western Star 4700 vehicles. The axle clamp fasteners may be loose, which can result in a loss of vehicle control.
Consequence, in the NHTSA record
A loss of vehicle control increases the risk of a crash.
Remedy, in the NHTSA record
Dealers will inspect and tighten the fasteners, as necessary, free of charge. Owner notification letters were mailed December 29, 2025. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1027.
Report filed by Daimler Trucks North America, LLC. Manufacturer campaign number F1027. Owner notification date in the NHTSA record: 29 Dec 2025.
25V326000Received 23 Jun 2025. 22,271 units.
Electrical System / 12v/24v/48v Battery
Defect, in the NHTSA record
Daimler Trucks North America (DTNA) is recalling certain 2020-2026 Western Star 49X and 2021-2026 Western Star 47X vehicles. A stud connecting the battery to the starter at the frame rail may have been incorrectly installed, which can cause a short circuit.
Consequence, in the NHTSA record
A short circuit increases the risk of a fire.
Remedy, in the NHTSA record
DTNA will inspect and replace damaged cables and loose hardware. In addition, DTNA will properly tighten hardware and install dielectric tape. All repairs will be performed, as necessary, free of charge. Owner notification letters were mailed July 1, 2025. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1020. This recall is replaced by NHTSA recall number 26V079. Vehicles already repaired under this recall will need to have the new remedy completed.
Report filed by Daimler Trucks North America, LLC. Manufacturer campaign number F1020. Owner notification date in the NHTSA record: 1 Jul 2025.
24V668000Received 10 Sep 2024. 16,890 units.
Exterior Lighting / Brake Lights
Defect, in the NHTSA record
Daimler Trucks North America, LLC (DTNA) is recalling certain 2024-2025 Freightliner 108SD, 2022-2025 Freightliner 114SD, Freightliner Business Class M2, 2025 Freightliner eM2, 2020-2025 Western Star 49X, 2021-2025 Western Star 47X, and 2022-2025 Western Star 57X vehicles that may be upfitted with a body lighting interface controller and replacement brake lights. The brake lights may not illuminate when the brakes are automatically applied during an active brake assist (ABA) event.
Consequence, in the NHTSA record
Brake lights that fail to illuminate can fail to indicate to other drivers that the vehicle is slowing down, increasing the risk of a crash.
Remedy, in the NHTSA record
Dealers will update the ABA software, free of charge. Owner notification letters were mailed October 24, 2024. Owners may contact DTNA customer service at 800-745-8000. DTNA's number for this recall is F1009.
Report filed by Daimler Trucks North America, LLC. Manufacturer campaign number F1009. Owner notification date in the NHTSA record: 24 Oct 2024.
23V208000Received 28 Mar 2023. 24,282 units.
Exterior Lighting / Hazard Flashing Warning Lights
Defect, in the NHTSA record
Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2021 Freightliner Cascadia and Western Star 49X vehicles. The hazard warning lights may flash improperly during an Advanced Braking Assist event. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
Consequence, in the NHTSA record
Hazard warning lights that flash improperly may cause confusion for other drivers, increasing the risk of a crash.
Remedy, in the NHTSA record
Dealers will update the software controlling the hazard warning lights, free of charge. Owner notification letters were mailed May 18, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL851.
Report filed by Daimler Trucks North America, LLC. Manufacturer campaign number FL851. Owner notification date in the NHTSA record: 18 May 2023.
23V073000Received 10 Feb 2023. 70,167 units.
Electronic Stability Control (ESC)
Defect, in the NHTSA record
Daimler Trucks North America, LLC (DTNA) is recalling certain 2017-2023 Freightliner Cascadia, 2020-2023 Western Star 49X, 2021-2023 Western Star 47X, and 2022 Freightliner 114SD vehicles. The brake modulator valves on the front axle may corrode and cause the vehicle to pull to the affected side during braking initiated by Electronic Stability Control (ESC) or Roll Stability Control (RSC).
Consequence, in the NHTSA record
Brakes that pull to one side may cause a sudden change in vehicle direction, increasing the risk of a crash.
Remedy, in the NHTSA record
Dealers will inspect and replace the front brake modulator valves, as necessary. Some vehicles will have a software update which will alert driver when a replacement is required. All repairs will be performed free of charge. Owner notification letters were mailed beginning October 13, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL966.
Report filed by Daimler Trucks North America, LLC. Manufacturer campaign number FL966. Owner notification date in the NHTSA record: 13 Oct 2023.
22V817000Received 1 Nov 2022. 219,390 units.
Service Brakes, Air / Antilock / Modulator
Defect, in the NHTSA record
Daimler Trucks North America, LLC (DTNA) is recalling certain 2017-2023 Freightliner Cascadia, 2020-2022 Freightliner Business Class M2, and 2022 Freightliner 114SD, and 2020-2023 Western Star 49X, 2021-2023 Western Star 47X, and 2021-2022 Western Star 57X vehicles. The brake modulator valves on the front axle may corrode and cause the vehicle to pull to the affected side during an Adaptive Cruise Control (ACC) braking event.
Consequence, in the NHTSA record
Brakes that pull to one side during an ACC braking event may cause a sudden change in vehicle direction, increasing the risk of a crash.
Remedy, in the NHTSA record
Dealers will inspect and replace the front brake modulator valves, as necessary. Some vehicles will have a software update which will alert driver when a replacement is required. All repairs will be performed free of charge. Owner notification letters were mailed beginning October 16, 2023. DTNA's number for this recall is FL-958. This recall expands and replaces previous recall 20V-390. All vehicles previously repaired under recall 20V-390 will need to have the new remedy performed.
Report filed by Daimler Trucks North America, LLC. Manufacturer campaign number FL-958. Owner notification date in the NHTSA record: 16 Oct 2023.
22V654000Received 29 Aug 2022. 3,498 units.
Structure / Body / Hood
Defect, in the NHTSA record
Daimler Truck North America, LLC (DTNA) is recalling certain 2020-2023 47X and 49X vehicles. The hood bezel covers may detach.
Consequence, in the NHTSA record
Detached hood bezel covers may cause a road hazard and increase the risk of a crash.
Remedy, in the NHTSA record
Dealers will inspect and install rivets on the hood bezel covers, as necessary, free of charge. Owner notification letters were mailed May 26, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-951.
Report filed by Daimler Trucks North America, LLC. Manufacturer campaign number FL-951. Owner notification date in the NHTSA record: 26 May 2023.
22V230000Received 8 Apr 2022. 689 units.
Visibility / Windshield Wiper/Washer / Linkages
Defect, in the NHTSA record
Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2022 Western Star 49X and 2021 Western Star 47X vehicles. The windshield wiper linkages may break, causing the windshield wipers to fail.
Consequence, in the NHTSA record
Inoperative windshield wipers can reduce visibility in certain driving conditions, increasing the risk of a crash.
Remedy, in the NHTSA record
Dealers will inspect and replace the windshield wiper arm and linkage parts, as necessary, free of charge. Owner notification letters were mailed June 6, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-926.
Report filed by Daimler Trucks North America, LLC. Manufacturer campaign number FL-926. Owner notification date in the NHTSA record: 6 Jun 2022.
22V227000Received 7 Apr 2022. 2,284 units.
Structure / Body
Defect, in the NHTSA record
Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2023 Western Star 47X, 2020-2023 Western Star 49X, and 2021-2022 Western Star 57X vehicles equipped with side air intakes on the hood. The stainless steel cover on the side air intake may loosen and detach from the vehicle.
Consequence, in the NHTSA record
A detached side air intake cover may cause a road hazard and increase the risk of a crash.
Remedy, in the NHTSA record
Dealers will replace the stainless steel cover, free of charge. Owner notification letters were mailed August 8, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-925.
Report filed by Daimler Trucks North America, LLC. Manufacturer campaign number FL-925. Owner notification date in the NHTSA record: 8 Aug 2022.
21V965000Received 13 Dec 2021. 2,843 units.
Fuel System, Diesel / Fuel Injection System / Fuel Rail
Defect, in the NHTSA record
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.
Consequence, in the NHTSA record
A high pressure fuel leak in the presence of an ignition source can increase the risk of a fire.
Remedy, in the NHTSA record
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.
Report filed by Daimler Trucks North America, LLC. Manufacturer campaign number FL-915. Owner notification date in the NHTSA record: 11 Mar 2022.
21V864000Received 5 Nov 2021. 479 units.
SteeringDo-not-drive advisory
Defect, in the NHTSA record
Daimler Trucks North America, LLC. (DTNA) is recalling certain 2021-2022 Western Star 49X vehicles. The steering shaft may not have been properly installed, causing it to separate from the steering gear.
Consequence, in the NHTSA record
Steering shaft separation can result in a loss of steering control, increasing the risk of a crash.
Remedy, in the NHTSA record
Owners are advised to not drive their vehicles until the inspection has been performed. Dealers will inspect the steering shaft and repair it, as necessary, free of charge. Owner notification letters were mailed January 12, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is 905.
Report filed by Daimler Trucks North America, LLC. Manufacturer campaign number FL905. Owner notification date in the NHTSA record: 30 Dec 2021.
21V481000Received 25 Jun 2021. 122,056 units.
Electrical System / 12v/24v/48v Battery / Cables
Defect, in the NHTSA record
Daimler Trucks North America, LLC (DTNA) is recalling certain 2019-2022 Freightliner Cascadia P4, 2021 Western Star WH126, 2020 Western Star WJ121, and 2021-2022 Western Star 49X vehicles. The battery cable terminal may break, resulting in a loss of electrical power and unintended engine stall.
Consequence, in the NHTSA record
An engine stall increases the risk of a crash.
Remedy, in the NHTSA record
Dealers will repair or replace the battery cables, free of charge. Owner notification letters were mailed on January 7, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-893.
Report filed by Daimler Trucks North America, LLC. Manufacturer campaign number FL-893. Owner notification date in the NHTSA record: 7 Jan 2022.

The campaign number opens the NHTSA record. Each quotation is the text of the NHTSA recall file.

Recall campaign: One recall in the NHTSA recall file, with one campaign number. A campaign can name many makes, models and model years.

Units: The number of vehicles or products that a recall can include. The manufacturer or the firm reports the number to the agency.

Complaints by component

The NHTSA complaint file has no complaint for this model year.

Investigations

The NHTSA investigation file has no investigation that names this model year.

Investigation: A study of a possible safety defect by the NHTSA Office of Defects Investigation. An investigation with no closing date in the NHTSA file is open.

Other model years

The number under each year is the number of recall campaigns.

A year without a link has fewer than 2 campaigns and fewer than 25 complaints. It has no page.

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Official channels

NHTSA VIN lookupNHTSA shows the unrepaired recalls of one vehicle from its VIN or its license plate.
NHTSA: report a safety problemThe NHTSA form for a complaint about a vehicle, a tire, a child seat or equipment.
NHTSA page of the 2021 Western Star 49XThe recalls, the complaints and the investigations that NHTSA shows for this model year.

Cite this page

Recall Register. 2021 Western Star 49X: recalls and complaints. https://recallregister.com/vehicle/western-star/49x/2021/. Source: NHTSA Office of Defects Investigation, recall, complaint and investigation files. Data through 30 Sep 2026.

Sources

Source: NHTSA Office of Defects Investigation
Licence: US government work, public domain
Recall file through: 30 Sep 2026
Complaint file through: 29 Mar 2018
First complaint in the file: 1 Jan 1995
Manufacturer in the recall file: Daimler Trucks North America, LLC

The NHTSA record is the authority. A complaint count is the number of different complaint numbers for the make, the model and the model year. How the register is made. Report an error.

Questions

How many units are in the recall campaigns for the 2021 Western Star 49X?: 530,592 units in 13 campaigns. A campaign can name other models and model years, and its units include them.
How many recall campaigns does the Western Star 49X have for all model years?: NHTSA lists 30 recall campaigns for the Western Star 49X, model years 2020 to 2027. 13 of them name the 2021 model year.
Is an NHTSA investigation of the 2021 Western Star 49X open?: The NHTSA investigation file has no investigation that names this model year.