2018 Western Star 5700 problems, complaints & recalls

Updated from NHTSA data · How we count

Owners have filed 1 complaints with NHTSA about the 2018 Western Star 5700, most often about driver assistance & safety tech. There are 11 recalls for this model year.

Complaints
1
Recalls
11
Crashes
0
Fires
0
Injuries
0
Median mileage
700 mi
at time of problem

Key facts

  • Driver Assistance & Safety Tech is the most-reported problem area, named in 1 of 1 complaints (100%).
  • Half of the complaints that list mileage happened before 700 mi.
  • The 2018 Western Star 5700 has 11 recalls on file.
  • NHTSA has opened 3 defect investigations covering this vehicle.
  • It ranks 2nd of 3 Western Star 5700 model years by our severity-weighted complaint score (1st = worst).

2018 Western Star 5700 problems by category

  • Driver Assistance & Safety Tech
    1 complaints

A complaint can mention more than one problem area, so categories add up to more than the total.

Most-reported components

Component (as filed with NHTSA)Complaints
Forward collision avoidance: sensing system: radar1

When problems happen (mileage)

1Under 10k10k–30k30k–60k60k–100k100k–150k150k+
Mileage at the time of the problem, for 2018 Western Star 5700 complaints that list mileage.

2018 Western Star 5700 recalls (11)

  • Recall 21V882000Nov 12, 20216,100 vehicles
    ELECTRICAL SYSTEM:WIRING

    Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2019 Western Star 4700, 4900, 5700, and 6900 trucks. The affected trucks have a power stud that passes through the bulkhead. In certain circumstances, the power stud may contact the bulkhead and result in an electrical arc.

    Risk: An electrical arc can increase the risk of a fire.

    Remedy: Dealers will replace the pass-through power studs, free of charge. Owner notification letters were mailed January 7, 2022. This recall supersedes previous recall number 18V-191. Vehicles previously inspected and considered complete under 18V-191 will need to return for the new remedy. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-907.

  • Recall 20V642000Oct 16, 20204,329 vehicles
    POWER TRAIN:CLUTCH ASSEMBLY

    Daimler Trucks North America LLC (DTNA) is recalling certain 2018-2019 Freightliner Cascadia, Business Class M2, 108SD, 114SD and 122SD and Western Star 4700, 4900 and 5700 vehicles. An internal component within the clutch assembly may fail, which in certain circumstances could allow the vehicle to move unexpectedly.

    Risk: Unintended vehicle movement van increase the risk of a crash.

    Remedy: DTNA will notify owners, and dealers will update the software and replace the clutches, free of charge. DTNA issued owners an interim notification on December 7, 2020. Owner notification letters were mailed on May 28, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-865.

  • Recall 19V792000Nov 4, 20192,725 vehicles
    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW

    Daimler Trucks North America LLC (DTNA) is recalling certain 2016-2020 Western Star 4900 and 5700 vehicles equipped with sleeper cab vent windows. Due to improper adhesive, the vent window may detach from the vehicle.

    Risk: If the vent window detaches while the vehicle is in motion, it can become a road hazard, increasing the risk of a crash.

    Remedy: DTNA will notify owners, and dealers will replace the vent windows, free of charge. DTNA issued owners an interim notification on December 27, 2019. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-836.

  • Recall 19V722000Oct 10, 20192,547 vehicles
    STRUCTURE:BODY:DOOR

    Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2020 Western Star 4900 and 5700 vehicles. The adhesive bond may fail allowing the baggage or sleeper side door to separate from the hinges.

    Risk: A baggage or sleeper side door that separates from the vehicle while in motion can cause road debris, increasing the risk of an injury or crash.

    Remedy: DTNA will notify owners and dealers will install reinforcement clips with mechanical fasteners on each baggage and sleeper door hinge, free of charge. DTNA issued owners an interim notification on December 6, 2019. The recall began September 21, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL834.

  • Recall 18V903000Dec 19, 20186,795 vehicles
    POWER TRAIN:CLUTCH ASSEMBLY

    Daimler Trucks North America LLC (DTNA) is recalling certain 2018-2019 Freightliner 108SD, 114SD, 122SD, Cascadia, Business Class M2, Western Star 4700, 4900, and 5700 vehicles, equipped with certain Eaton ECA heavy-duty truck clutches. An internal component in the clutch assembly may fail, possibly resulting in unintended vehicle movement.

    Risk: Unintended vehicle movement can increase the risk of a crash.

    Remedy: DTNA will notify owners, and dealers will update the software, and repair any physical components, free of charge. DTNA issued owners an interim notification on February 16, 2019. The recall began July 31, 2019. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-803.

  • Recall 18V913000Dec 19, 2018501 vehicles
    STEERING · STEERING:LINKAGES:TIE ROD ASSEMBLY · SUSPENSION:FRONT:CONTROL ARM

    Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2019 Freightliner 114SD, 122SD, 108SD, Cascadia and Business class M2 trucks, Freightliner Custom Chassis XBS, XCL, XCM, MT45, MT55, S2G, S2RV, XCR and XCS custom chassis and Western Star 4700, 4900 and 5700 trucks equipped with Detroit Axle axles. The affected vehicles may have loose steering and tie rod arm bolts.

    Risk: Loose tie rod arm bolts may lead to separation of the tie rod arm, resulting in a loss of vehicle control, increasing the risk of a crash.

    Remedy: DTNA has notified owners, and dealers will inspect the steering arm and tie rod arm bolts for to make sure that they are properly tightened, installing new fasteners as necessary, free of charge. The recall began February 9, 2019. Owners may contact Daimler Trucks at 1-800-547-0712. DTNA's number for this recall is FL-802.

  • Recall 18V703000Oct 5, 20185,534 vehicles
    SERVICE BRAKES, AIR:DISC:CALIPER

    Daimler Trucks North America, LLC (DTNA) is recalling certain 2018-2019 Freightliner 108SD, 114SD, Cascadia, Business Class M2, Freightliner Custom Chassis Corporation S2C 106 Cab, S2G Cab Chassis, XCL, XCM, XBS, XCP, XCR, Western Star 4700, 4900 and 5700 trucks. The brake caliper mounting bolts may have been insufficiently tightened.

    Risk: Loose brake caliper mounting bolts can reduce brake effectiveness, increasing the risk of a crash.

    Remedy: DTNA will notify owners, and dealers will check and tighten the brake caliper mounting bolts, free of charge. The recall began December 3, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-794.

  • Recall 18V353000May 29, 20188,741 vehicles
    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

    Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2019 Freightliner M2 Business Class, 108SD, 114SD and Cascadia trucks, Western Star 4700, 4900, and 5700 trucks, FCCC S2C 106 Cab, S2G Cab, XBR, XBS, XCL, XCM, XCP, XCR, and XCS chassis equipped with air disc brakes. The brake caliper mounting bolts on these vehicles may be insufficiently tightened, allowing the bolts to loosen.

    Risk: If the brake caliper mounting bolts loosen, braking performance may be reduced, increasing the risk of a crash.

    Remedy: DTNA will notify owners, and dealers will inspect the brake caliper mounting bolts and tighten them as necessary, free of charge. DTNA issued owners an interim notification on July 25, 2018. The recall began September 4, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-772.

  • Recall 18V191000Mar 26, 20187,128 vehicles
    ELECTRICAL SYSTEM:WIRING

    Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2019 Western Star 4700, 4900, 5700, and 6900 trucks. The affected trucks have a power stud that passes through the bulkhead. In certain circumstances the power stud may contact the bulkhead and result in an electrical arc.

    Risk: An electrical arc can increase the risk of a fire.

    Remedy: DTNA will notify owners, and dealers will inspect the power stud for the proper clearance to the bulkhead, and replace it if necessary, free of charge. DTNA issued an interim notification to owners on May 23, 2018. The recall began October 29, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-766.

  • Recall 17V761000Nov 27, 2017438,255 vehicles
    EXTERIOR LIGHTING:BRAKE LIGHTS · EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH

    Daimler Trucks North America, LLC (DTNA) is recalling certain 2008-2018 Freightliner Cascadia, Western Star 4700, 4900, 5700, and 6900 trucks. After hard brake applications, the brake light pressure switch may not activate the brake lights with a light application of the brake pedal.

    Risk: If the brake lights fail to illuminate, there would not be a signal to other motorists that the vehicle is slowing, increasing the risk of a crash.

    Remedy: DTNA will notify owners, and dealers will repair the vehicles, free of charge. Daimler issued interim notifications to owners on January 22, 2018. The recall began on May 9, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-756.

  • Recall 17V452000Jul 17, 20172,483 vehicles
    EQUIPMENT

    Daimler Trucks North America (DTNA) is recalling certain 2018 Freightliner Cascadia, M2 Business Class, 114SD, and 122SD trucks, and Western Star 4700 and 5700 trucks. These vehicles have tow hooks used for recovery purposes that may fail during use.

    Risk: If the tow hook fails without warning during a recovery operation, the sudden release of the vehicle may increase the risk of injury.

    Remedy: DTNA will notify owners, and dealers will inspect the vehicle's tow hooks and, depending on their production date codes, will replace them, free of charge. The recall began on September 14, 2017. Owners may contact DTNA customer service at 1-800-745-8000. DTNA's number for this recall is FL-742.

NHTSA defect investigations

  • EA25006Opened Oct 23, 2025Open

    Automatic Emergency Braking Errors

    On May 26, 2023, the Office of Defects Investigation (ODI) opened a Preliminary Evaluation (PE23010) to assess reports of false positive activation of the Automatic Emergency Braking (AEB) system in model year (MY) 2017-2022 Daimler Trucks North America (DTNA) vehicles. The reports alleged that activation of the AEB system occurred while driving with no apparent obstruction in the vehicle's forward path, resulting in sudden vehicle deceleration. DTNA indicated that it received of a total of 315 reports that may relate to the alleged defect in MY 2017-2022 DTNA vehicles. DTNA stated that the va…

  • PE23010Opened May 26, 2023Closed Oct 23, 2025

    Automatic Emergency Braking Errors

    On May 26, 2023, the Office of Defects Investigation (ODI) opened a Preliminary Evaluation (PE23010) to assess reports of false positive activation of the Automatic Emergency Braking (AEB) system in model year (MY) 2017-2022 Daimler Trucks North America (DTNA) vehicles. The reports alleged that activation of the AEB system occurred while driving with no apparent obstruction in the vehicle's forward path, resulting in unexpected and sudden vehicle deceleration. ODI sent an information request letter to DTNA on June 15, 2023.In its September 1, 2023, response, DTNA indicated that it received of …

  • AQ18002Opened Apr 23, 2018Closed Jul 11, 2024

    Daimler Trucks North America Recalls

    On April 23, 2018, the National Highway Traffic Safety Administration (“NHTSA”) opened Audit Query (AQ18002) to assess the timeliness and scope of four recalls filed by Daimler Trucks North America, LLC (“DTNA”). NHTSA subsequently expanded AQ18002 to examine the timeliness and scope of three additional DTNA recalls and compliance with early warning reporting and manufacturer communications reporting requirements. NHTSA and DTNA entered into a Consent Order on December 29, 2020, to resolve NHTSA’s assertions that certain recalls within the scope of AQ18002 were untimely, DTNA failed to timely sub…

Recent 2018 Western Star 5700 complaints

Excerpts of the newest owner complaints, lightly cleaned of personal details. Complaints are unverified owner reports.

  1. Filed Sep 6, 2023700 miPADriver Assistance & Safety Tech
    The contact owns a 2018 Western Star 5700. The contact stated while driving 70 MPH, the On Guard radar system became inoperable. The contact stated that the feature independently activated the brake. The contact stated that the failure had been ongoing since 2018. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The contact stated that he contacted On Guard, but no assistance was provided. The manufacturer was made aware of the failure. The…
    NHTSA complaint #11542940 · source

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Other 2018 Western Star models

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data, as of Oct 11, 2026. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology