2020 WESTERN STAR 5700 — Problems, Recalls & Safety Data
N/A
Safety Rating
1
Owner Complaint
6
Recalls
19
Service Bulletins
1
Investigation
Overview of the 2020 WESTERN STAR 5700
The 2020 WESTERN STAR 5700 has received a total of 1 safety complaint filed with the National Highway Traffic Safety Administration (NHTSA). There have been 7 recall campaigns affecting this vehicle, covering issues with EQUIPMENT:OTHER:LABELS, ELECTRICAL SYSTEM:WIRING. 19 technical service bulletins have been issued by Daimler Trucks North America, LLC for this model year. The most commonly reported problem area is the Forward Collision Avoidance (1 complaint).
Recalls for the 2020 WESTERN STAR 5700
NHTSA has recorded 7 recalls for the 2020 WESTERN STAR 5700, potentially affecting up to 21,251 vehicles.
Recall 22V338000 — EQUIPMENT:OTHER:LABELS
| 185 vehicles affected
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2020 Freightliner Cascadia, 2020-2022 Western Star 4700 and 5700, 2022 Western Star 4900, and 2020-2023 Freightliner New Cascadia vehicles. The Gross Axle Weight Rating (GAWR) listed on the Federal Certification Label is incorrect, which can allow the vehicle to be overloaded. As such, these vehicles fail to comply with the requirements...
Consequence: An overloaded vehicle can increase the risk of a crash.
Remedy: Dealers will be replace the GAWR labels, free of charge. Owner notification letters were mailed July 14, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-933.
View full details →Recall 21V206000 — ELECTRICAL SYSTEM:WIRING
| 5,111 vehicles affected
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.
Consequence: Damage to the ground harness may cause an engine stall, increasing the risk of a crash.
Remedy: 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.
View full details →Recall 21V206000 — ELECTRICAL SYSTEM:WIRING
| 5,111 vehicles affected
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.
Consequence: Damage to the ground harness may cause an engine stall, increasing the risk of a crash.
Remedy: 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.
View full details →Recall 19V792000 — VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW
| 2,725 vehicles affected
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.
Consequence: 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.
View full details →Recall 19V722000 — STRUCTURE:BODY:DOOR
| 2,547 vehicles affected
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.
Consequence: 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...
View full details →Recall 20V281000 — ELECTRICAL SYSTEM:WIRING
| 2,987 vehicles affected
Defect: Daimler Trucks North America LLC (DTNA) is recalling certain 2019-2021 Western Star 4700 and 5700 vehicles. A particular wire in the ground harness may be undersized, possibly resulting in a melted connector in the ground circuit harness. If the connector becomes damaged, under certain circumstances, the engine may stall without the ability to restart.
Consequence: An engine stall may increase the risk of a crash.
Remedy: DTNA will notify owners, and dealers will replace the ground harness, free of charge. This recall began June 23, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-852.
View full details →Recall 20V127000 — SERVICE BRAKES, AIR:DISC:CALIPER
| 2,585 vehicles affected
Defect: Daimler Trucks North America LLC (DTNA) is recalling certain 2019-2020 Freightliner 108SD, 114SD, Cascadia, Business Class M2, Western Star 4700 and 5700, Freightliner Custom Chassis S2, Custom Chassis XB, and Custom Chassis XC vehicles equipped with air disc brakes. The brake caliper mounting bolts may have been insufficiently tightened.
Consequence: Loose brake caliper mounting bolts can reduce brake effectiveness, increasing the risk of a crash.
Remedy: DTNA will notify owners, and dealers will inspect and repair the vehicles, free of charge. The recall began May 1, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-845.
View full details →Owner Complaints for the 2020 WESTERN STAR 5700
1 complaint has been filed with NHTSA for the 2020 WESTERN STAR 5700. Below is a breakdown by vehicle component.
| Component | Complaints | Crashes | Fires | Injuries | Deaths |
|---|---|---|---|---|---|
| Forward Collision Avoidance | 1 | 0 | 0 | 0 | 0 |
Most Recent Complaints
The contact owns a 2020 Western Star 5700. The contact stated that while driving approximately 75 MPH, the anti-collision system erroneously activated causing the commercial truck to abruptly stop while driving on the freeway. During the failure, there were no other vehicles or objects nearby to cause the system to be activated. The contact indicated that the failure had occurred on several occasions. The vehicle was taken to the local dealer who realigned the sensors however, the failure recurred. No further information was available. The manufacturer was notified of the failure. The failure mileage was 3,000.
Safety Rating for the 2020 WESTERN STAR 5700
NHTSA has not yet tested the 2020 WESTERN STAR 5700 in its New Car Assessment Program.
Technical Service Bulletins for the 2020 WESTERN STAR 5700
Daimler Trucks North America, LLC has issued 19 technical service bulletins (TSBs) for the 2020 WESTERN STAR 5700. TSBs are notices sent by manufacturers to their dealers describing a known issue and the recommended repair procedure.
CXA 8_24_Conmet Oil Pan — ENGINE
CX Advocate for ConMet Oil Pan Insert Additional Failures
TechTalk566681 — ELECTRICAL SYSTEM
Tech Talk Discussion No comms with CPC, MCM or ACM
SS701-WST2021 — POWER TRAIN
Service Solution for DT12 Harness Chaffing - PT Can Faults. Transmission will not shift into Gear while driving or will not start and trigger multiple PT CAN Fault Codes.
21TS-04 — ENGINE AND ENGINE COOLING
Technical Service Letter for Gen 5 DD15 Instrument Panel Oil Pressure Gauge Operation. Gen 5 DD15 equipped units have been brought in for service with a complaint of the instrument panel oil pressure gauge not moving during unit operation and/or stuck at 50PSI. The instrument panel oil pressure gauge does...
SBW42-014 — EQUIPMENT ADAPTIVE/MOBILITY
Western Star Service Bulletin for Access to Front Brake Zerk Fittings. Certain vehicles with Detroit front axles and Meritor EX-L front air disc brakes do not have access to the front brake zerk fittings for lubrication.
Techtalk7921 — ENGINE AND ENGINE COOLING
Tech Talk discussion on Fan Override Switch Install.
TechTalk7169 — EQUIPMENT
Tech Talk discussion on blue tooth volume drop out on Western Star. Service Bulletin 54-074 was released on this issue.
TechTalk7169 — ELECTRICAL SYSTEM
Tech Talk discussion on blue tooth volume drop out on Western Star. Service Bulletin 54-074 was released on this issue.
TechTalk3253 — ELECTRICAL SYSTEM
Tech Talk Discussion for a Western Star 5700 fault code 2049-9 and 527-9.
SBW26-004 — POWER TRAIN
Western Star Service Bulletin for DT12 Transmission Cooler Retrofit.
Showing 10 of 19 technical service bulletins.
NHTSA Investigations for the 2020 WESTERN STAR 5700
NHTSA has opened 1 investigation into potential safety defects in the 2020 WESTERN STAR 5700.
Investigation PE23010 — FORWARD COLLISION AVOIDANCE: DYNAMIC BRAKE SUPPORT/BRAKE ASSIST Closed
Opened:
Automatic Emergency Braking Errors
Other Model Years of the WESTERN STAR 5700
- 2015 WESTERN STAR 5700 — 0 complaints
- 2016 WESTERN STAR 5700 — 0 complaints
- 2017 WESTERN STAR 5700 — 0 complaints
- 2018 WESTERN STAR 5700 — 1 complaint
- 2019 WESTERN STAR 5700 — 2 complaints
- 2020 WESTERN STAR 5700 (current)
- 2021 WESTERN STAR 5700 — 0 complaints
- 2022 WESTERN STAR 5700 — 3 complaints
Other WESTERN STAR Models
- WESTERN STAR 4900 — 26 total complaints
- WESTERN STAR 4700 — 10 total complaints
- WESTERN STAR WESTERN STAR — 7 total complaints
- WESTERN STAR CONSTELLATION — 5 total complaints
- WESTERN STAR 4900EX — 4 total complaints
- WESTERN STAR 4964 — 4 total complaints
- WESTERN STAR CONVENTIONAL — 4 total complaints
- WESTERN STAR 47X — 2 total complaints