{"product_id":"standard-ignition-als3479-abs-wheel-speed-sensor-rear","title":"Standard Ignition ALS3479 ABS Wheel Speed Sensor - Rear","description":"\u003ch2\u003eRear ABS Wheel Speed Sensor for Mercedes-Benz\u003c\/h2\u003e\u003cp\u003eStandard Ignition ALS3479 is a rear ABS wheel speed sensor for select Mercedes-Benz compact models. It uses a 2-terminal, blade-style electrical connection with a single rectangular female connector and bolt-mount installation at the wheel.\u003c\/p\u003e\u003cp\u003eFits 2019-2025 Mercedes-Benz A220, rear; Fits 2020-2022 Mercedes-Benz A35 AMG, rear; Fits 2020-2025 Mercedes-Benz CLA250, rear; Fits 2020-2023 Mercedes-Benz CLA45 AMG, rear; Fits 2020-2025 Mercedes-Benz GLB250, rear; Fits 2021-2025 Mercedes-Benz GLA250, rear; Fits 2021-2025 Mercedes-Benz GLA35 AMG, rear; Fits 2021-2023 Mercedes-Benz GLA45 AMG, rear; Fits 2021-2025 Mercedes-Benz GLB35 AMG, rear; Fits 2022-2025 Mercedes-Benz EQB 300, rear; Fits 2022-2025 Mercedes-Benz EQB 350, rear; Fits 2023-2025 Mercedes-Benz EQB 250+, rear; Fits 2024-2025 Mercedes-Benz CLA45 AMG S, rear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Standard Ignition\u003c\/li\u003e\n\u003cli\u003ePart number: ALS3479\u003c\/li\u003e\n\u003cli\u003eRear wheel mounting location\u003c\/li\u003e\n\u003cli\u003eBolt-mount design with 1 bolt hole\u003c\/li\u003e\n\u003cli\u003e1 rectangular female connector\u003c\/li\u003e\n\u003cli\u003e2 terminals, male blade terminal type\u003c\/li\u003e\n\u003cli\u003eNo wiring harness included\u003c\/li\u003e\n\u003cli\u003eNo dust shield included\u003c\/li\u003e\n\u003cli\u003eNo mounting hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Overview\u003c\/h2\u003e\u003cp\u003eStandard Ignition ALS3479 is built for rear wheel speed signal monitoring on Mercedes-Benz A-Class, CLA, GLA, GLB, and EQB applications. As an ABS wheel speed sensor, it reads wheel rotation data used by the braking system and related stability functions. If you are replacing a rear Mercedes-Benz ABS sensor, ALS3479 matches the listed wheel-side mounting style and connector layout for direct service on the confirmed applications.\u003c\/p\u003e\u003cp\u003eThis part cross-references 533867 and ABSA141 for the same application. The ALS3479 part number is also listed under interchange references 2479050100 and ABS3479.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Sensor Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eABS warning light illuminated on the dash\u003c\/li\u003e\n\u003cli\u003eTraction control or stability control fault messages\u003c\/li\u003e\n\u003cli\u003eIntermittent or inaccurate wheel speed signal readings\u003c\/li\u003e\n\u003cli\u003eBrake system fault codes related to the rear wheel sensor circuit\u003c\/li\u003e\n\u003cli\u003eLoss of ABS function caused by a failed rear sensor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm the rear wheel position, connector shape, and terminal count before installation. This sensor uses a bolt-mount design and does not include a wiring harness, dust shield, or mounting hardware, so reuse or source the required vehicle-side components as needed. Inspect the wheel hub area and connector for corrosion, damaged wiring, or debris before fitting the new sensor.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eStandard Ignition is a recognized aftermarket brand for electrical and sensor components. ALS3479 is cataloged for the listed Mercedes-Benz rear applications and built to match the specified connector and mounting configuration.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":52819041321141,"sku":"FBHK-ALS3479","price":109.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_ALS3479_Fro.jpg?v=1784439418","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-als3479-abs-wheel-speed-sensor-rear","provider":"PartCatalog","version":"1.0","type":"link"}