2019–2021 Western Star 4700, 2019–2021 Western Star 5700 Recall: Ground harness wiring may be undersized and may cause a connector to melt
NHTSA campaign 21V206000 · Electrical System · filed Mar 24, 2021 · verified Jul 30, 2026
The 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.
The risk
Damage to the ground harness may cause an engine stall, increasing the risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
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.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Western Star | 4700 | 2019, 2020, 2021 |
| Western Star | 5700 | 2019, 2020, 2021 |
Related recalls
More Western Star 4700 recalls
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Other campaigns involving Western Star vehicles
All Western Star 4700 recalls → · All Western Star recalls →
Source: NHTSA recall database, campaign 21V206000 (manufacturer number FL-880). Data last verified Jul 30, 2026.