AutoDefect IQ

2019 Western Star 4900 problems, complaints & recalls

Most-reported problem areas: Service Brakes (1)

1
Complaints
15
Recalls
292
Service bulletins
0
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (15)

Tires 2022-12-12 · campaign 22V919000 · 49 vehicles

Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2023 Freightliner 114SD, 2023 Freightliner 122SD, 2020 Western Star 4700, 2019-2022 Western Star 4900, 2019-2023 Freightliner Business Class M2, and 2021 Freightliner Cascadia vehicles. The vehicles are equipped with tires that are not compatible with their 8.25-inch rims. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 120, "Wheels and Rims-Other Than Passenger Cars.

Risk: Driving with tires that are not compatible with their rims can reduce tire performance, increasing the risk of a crash.

Fix: Dealers will replace the tires, free of charge. Owner notification letters were mailed June 2, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-962.

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.

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.

Visibility:defroster/Defogger/Hvac System:rear Window 2019-11-04 · campaign 19V792000 · 2,725 vehicles

Defect: 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.

Fix: 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.

Structure:body:door 2019-10-10 · campaign 19V722000 · 2,547 vehicles

Defect: 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.

Fix: 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.

Electrical System: Instrument Cluster/Panel 2019-03-05 · campaign 19V171000 · 361 vehicles

Defect: Daimler Trucks North America LLC (DTNA) is recalling certain 2019 Western Star 4700 and 4900 trucks. The vehicles are accumulating distance in kilometers, but the odometer display is labeled as being miles. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 101, "Control and Displays."

Risk: The odometer failing to register the correct distance travelled could cause driver confusion, as well as possible incorrect assumptions about driver speed. An incorrect speed assumption may increase the risk of crash.

Fix: DTNA will notify owners, and dealers will replace the speedometer, free of charge. The recall began April 29, 2019. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-812.

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.

Tires:sidewall 2018-09-19 · campaign 18V641000 · 201 vehicles

Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2019 Freightliner 108SD, 114SD, 122SD and Business Class M2 trucks and Western Star 4700 and 4900 trucks, equipped with certain Bridgestone M854 tires with date codes 2418-2518, Bridgestone M860A tires with date code 2518, and Bridgestone M864 tires with date codes 2318-2418, all of size 425/65R22.5. The sidewall steel body cords may be exposed, which can cause unexpected, rapid air loss during use.

Risk: Rapid air loss can increase the risk of a crash.

Fix: DTNA will notify owners, and dealers will inspect and replace the affected tires, as necessary, free of charge. The recall began October 8, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL790.

Engine And Engine Cooling:engine:diesel 2018-08-30 · campaign 18V581000 · 4,500 vehicles

Defect: Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2019 Freightliner Cascadia, Coronado and 122SD, and Western Star 4900 trucks, equipped with Cummins ISX15 or X15 diesel engines. In certain driving conditions, such as on a long down-hill grade, the fuel line may burst if the fuel pump cooling circuit screen becomes restricted.

Risk: If the fuel line bursts, fuel may leak onto the road resulting in a roadway hazard for other motorists. The engine may also stall without warning, resulting in the vehicle's inability to restart, increasing the risk of a crash.

Fix: Dealers will replace the affected nylon fuel line with a steel fuel line, free of charge. The recall began November 21, 2018. Owners may contact DTNA customer service at 1-800-547-0712 or Cummins customer service at 1-800-286-6467. DTNA's number for this recall is FL789.

Service Brakes, Air 2018-05-29 · campaign 18V351000 · 640 vehicles

Defect: Daimler Trucks North America LLC (DTNA) is recalling certain 2012-2019 Western Star 4900 trucks built with Lowmax hoods and disc brakes. There may be insufficient clearance between the front brake hose and the hood resulting in the brake hose being chafed.

Risk: Front brake hose chafing may causing air loss, possibly reducing braking effectiveness and increasing the risk of a crash.

Fix: DTNA will notify owners, and dealers will replace the front axle brake hose, free of charge. DTNA issued owners an interim notification on July 27, 2018. The recall began November 27, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-773.

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.

Service bulletins (292)

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

Unknown Or Other 2026-05-07 · TSB-00-018-WST · Service Bulletin/Repair Instructions

technical service bulletin for starnet manuals moving to technical literature

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 292 bulletins. Search all of them free at nhtsa.gov.

What owners report

2019-04-19 · Service Brakes · 600 mi

“tl* the contact owns a 2019 western star 4900sb. while the vehicle was stopped on an incline and attempting to set the parking/emergency brake, the driver had to remove his foot from the brake pedal. as a result, the vehicle rolled backwards. the contact indicated that the only way to activate the parking/emergency brake was to remove his foot from…”

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

Other Western Star 4900 years