The worst 2021 Western Star 57X problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
Recalls 2
Service brakes, air: antilock: modulator
- What is wrong
- 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.
- Risk
- 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
- 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.
Recall number 22V817000 · Recall details
Structure: body
- What is wrong
- 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.
- Risk
- A detached side air intake cover may cause a road hazard and increase the risk of a crash.
- Remedy
- 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.
Recall number 22V227000 · Recall details
Technical service bulletins for the 2021 Western Star 57X 49
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- CX Advocate for Aftermarket Transmission Support
- Technical Service Bulletin for Fixing Unintended Wiper Sweep
- CX Advocate for ConMet Oil Pan Insert Additional Issues
- CX Advocate for NOx conversion low faults
- CX Advocate for SAS01T to SAS03T replacement (TSB54-373-FTL, TSB54-097-WST)
- CX Advocate for M2 Plus, 47X, 49X Fault Code 232/524000/19- ECU CPC data error
- CX Advocate for turbo oil drain cracking
- Revised Service Solution for X-Series Western Star Fault Code 232/524000/19- ECU CPC data error
- My Communications for Variable Speed Coolant Pump for DD13 Engines
- Technical Service Bulletin for SAS01T to SAS03T Replacement Information
Compare the 2021 Western Star 57X
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Questions about the 2021 Western Star 57X
Is the 2021 Western Star 57X reliable?
Owners have filed 0 complaints about the 2021 Western Star 57X.
What is the most common problem with the 2021 Western Star 57X?
There are not enough complaints to tell.
How many recalls does the 2021 Western Star 57X have?
2 recalls, covering service brakes, air and structure.
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