{"product_id":"0258006475-a0025400617-o2-oxygen-sensor-lambda-sensor-for-mercedes-benz-w203-s204-w204-w211-w212-c209-slk-r171-clk-a209","title":"Oxygen Sensor 4 Wire for Mercedes-Benz W203 W204 W211 W212 C209 SLK R171 CLK A209","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Mercedes Benz Oxygen Sensor 4 Wire, a precise, OE-style replacement built for durability and accurate emissions control. Designed to fit a wide range of Mercedes-Benz models, this sensor supports models including W203, W204, W211, W212, C209, SLK, R171, and CLK A209, making it a versatile choice for maintenance and repair projects.\u003c\/p\u003e \u003cp\u003eThe four-wire configuration delivers reliable signal transmission to the engine control unit, helping your vehicle maintain optimal air-fuel balance, improve fuel efficiency, and reduce emissions. This sensor features a heated design to reach operating temperature quickly, delivering accurate readings even during cold starts and under varying driving conditions. The sensing element is described as piezoelectric in the data, emphasizing a robust sensing technology tuned for consistent performance over time.\u003c\/p\u003e \u003cp\u003eOEM reference A0025400617 ensures compatibility with the parts you expect for Mercedes-Benz vehicles, supporting straightforward installation and dependable integration with your existing exhaust and ECU systems. This product is manufactured to meet the specifications of the listed MB models, providing a reliable replacement that helps keep your engine running smoothly and efficiently.\u003c\/p\u003e \u003cp\u003eWhether you’re tackling routine maintenance, preparing for an emissions check, or restoring peak performance, this oxygen sensor supports proper engine management by delivering precise oxygen readings to the ECU. A correctly functioning sensor contributes to cleaner exhaust, steadier idle, and smoother acceleration—helping your vehicle run as it should.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eBenefits \u0026amp; Tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUse during routine maintenance to restore fuel trim accuracy and improve overall fuel economy.\u003c\/li\u003e \u003cli\u003eInstall after a failed sensor to prevent cascading faults in the engine management system and to pass emissions testing more reliably.\u003c\/li\u003e \u003cli\u003eKeep a maintenance schedule: after replacing, monitor for improved idle stability and reduced check-engine-light events.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eProduct specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eSensor Type: Piezoelectric\u003c\/li\u003e \u003cli\u003eWire Configuration: 4-wire\u003c\/li\u003e \u003cli\u003eCompatible Models: Mercedes-Benz W203, W204, W211, W212, C209, SLK, R171, CLK A209\u003c\/li\u003e \u003cli\u003eOEM Part Number: A0025400617\u003c\/li\u003e \u003cli\u003eOrigin: Mainland China\u003c\/li\u003e \u003cli\u003eHysteresis: A0025400617 | 0258006475\u003c\/li\u003e \u003cli\u003eResolution: A0015403817\u003c\/li\u003e \u003cli\u003eHeating: Yes (heated sensor)\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePackage includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e1 x Mercedes Benz Oxygen Sensor 4-Wire (for listed MB models)\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWarnings\/Reminders\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eEnsure compatibility with your specific Mercedes-Benz model and year before installation.\u003c\/li\u003e \u003cli\u003eProfessional installation is recommended to ensure proper fit and sealing in the exhaust system.\u003c\/li\u003e \u003cli\u003eDisconnect the battery and follow vehicle service procedures when replacing exhaust sensors.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eLanguage support: Not listed in current product data.\u003c\/p\u003e \u003cp\u003eAll electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.\u003c\/p\u003e \u003cp\u003eSince 2002, intercyprus.com has built a reputation for reliable, high-quality auto parts and dependable service.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"InterCyprus Trading Ltd","offers":[{"title":"Default Title","offer_id":52391928070486,"sku":"1005006297579219-Default Title","price":36.02,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0530\/0604\/1274\/files\/H8ae28d49e3ce49beb5dc8b395dcf621eX.webp?v=1768928310","url":"https:\/\/www.intercyprus.com\/de\/products\/0258006475-a0025400617-o2-oxygen-sensor-lambda-sensor-for-mercedes-benz-w203-s204-w204-w211-w212-c209-slk-r171-clk-a209","provider":"InterCyprus Trading Ltd","version":"1.0","type":"link"}