AutoDefect IQ

2018 Western Star 4700 problems, complaints & recalls

Most-reported problem areas: Air Bags (1)

1
Complaints
12
Recalls
529
Service bulletins
1
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (12)

Tires 2021-11-17 · campaign 21V896000 · 307 vehicles

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 comply with the requirements of Federal Motor Vehicle Safety Standard number 120, "Wheels and Rims-Othe

Risk: Unapproved tires that are not rated for the vehicle can cause tire performance issues, increasing the risk of a crash.

Fix: 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.

Electrical System:wiring 2021-11-12 · campaign 21V882000 · 6,100 vehicles

Defect: 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.

Fix: 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.

Fuel System, Diesel:fuel Injection System:fuel Rail 2021-05-07 · campaign 21V326000 · 9,662 vehicles

Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2018-2021 Freightliner Custom Chass XC Chassis, 108SD, Custom Chass XB Chassis, Business Class M2, 114SD, and Western Star 4700 vehicles. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.

Risk: A fuel leak in the presence of an ignition source increases the risk of a fire.

Fix: Dealers will replace the fuel rail and fuel lines, free of charge. Interim owner notification letters were mailed on June 21, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-886.

Power Train:clutch Assembly 2020-10-16 · campaign 20V642000 · 4,329 vehicles

Defect: 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.

Fix: 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.

Power Train:clutch Assembly 2018-12-19 · campaign 18V903000 · 6,795 vehicles

Defect: 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.

Fix: 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.

Suspension:front:control Arm 2018-12-19 · campaign 18V913000 · 501 vehicles

Defect: 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.

Fix: 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.

Service Brakes, Air:disc:caliper 2018-10-05 · campaign 18V703000 · 5,534 vehicles

Defect: 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.

Fix: 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.

Service Brakes, Hydraulic:foundation Components:disc:caliper 2018-05-29 · campaign 18V353000 · 8,741 vehicles

Defect: 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.

Fix: 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.

Electrical System:wiring 2018-03-26 · campaign 18V191000 · 7,128 vehicles

Defect: 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.

Fix: 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.

Exterior Lighting:brake Lights:switch 2017-11-27 · campaign 17V761000 · 438,255 vehicles

Defect: 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.

Fix: 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.

Electrical System:12v/24v/48v Battery:cables 2017-09-21 · campaign 17V588000 · 32 vehicles

Defect: Daimler Trucks North America LLC (DTNA) is recalling certain 2013-2018 Western Star 4700 trucks. The battery cable may contact the all wheel drive axle yoke.

Risk: Battery cable contact with the axle yoke may cause the cable to chafe and short, increasing the risk of a fire.

Fix: DTNA will notify owners, and dealers will inspect the battery cables, repairing them as needed, free of charge. The recall began on November 16, 2017. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-746.

Equipment 2017-07-17 · campaign 17V452000 · 2,483 vehicles

Defect: 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.

Fix: 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.

Service bulletins (529)

Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.

Fuel/Propulsion System 2026-06-01 · PB-47-900-WST · Service Bulletin/Repair Instructions

parts bulletin for fluorosilicone fuel tank cap seals

Power Train 2025-04-30 · TSB26-008-WST · Service Bulletin/Repair Instructions

service solution for dt12 oil plug ports

Engine 2025-03-20 · CXA 3_25_NOx · Other

cx advocate for nox conversion low faults

Engine 2025-02-20 · CXA 2_25_Turbo Oil Drain · Other

cx advocate for turbo oil drain cracking

Engine 2025-02-20 · CXA 2_25_NOx · Other

cx advocate for nox conversion low faults

Engine 2025-01-16 · CXA 1_16_Turbo Oil Drain · Other

cx advocate for turbo oil drain cracking

Showing the 6 most recent of 529 bulletins. Search all of them free at nhtsa.gov.

What owners report

2022-06-16 · Air Bags · 247,000 mi · 💥 crash

“the contact was driving the company's vehicle which was a 2018 western star 4700. the contact stated that while driving approximately 40 mph at a curve and suddenly the front passenger tire began to wobble. the contact lost control of the vehicle's steering ability. the contact stated the vehicle began to lose complete control and then flipped over…”

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Western Star 4700 years