Oxygen Sensor Air Fuel Ratio Lambda O2 Sensor for Mercedes-Benz

The Oxygen Sensor Air Fuel Ratio Lambda O2 Sensor for Mercedes-Benz from IWOKPHD is a heated, piezoelectric oxygen sensor designed to deliver precise exhaust measurements and help your engine run cleanly and efficiently. This direct-fit replacement aligns with OEM numbers and original fitment, so you can restore optimal air–fuel balance, reduce emissions, and preserve engine performance without guesswork. It’s built to withstand the demands of modern engines, delivering fast response times and reliable operation in a compact, durable housing.

Key benefits include improved fuel economy, smoother idle, and quicker catalytic converter light-off, which means your vehicle can meet stricter emissions standards more reliably. By providing accurate lambda readings, this sensor helps your ECU adjust the combustion process in real time, preventing rich or lean conditions that can erode performance and increase pollutant output. It’s a practical, long-term maintenance upgrade for Mercedes-Benz owners who want to maintain peak driveability and compliance with modern emission requirements.

Note: Please check the picture and the part number carefully to make sure that you bought the right part for your car. If you can not make sure which item fit for your car, please send the Part Number Or the Original product photos to us confirm it before order. The only way to be 100% sure that the part will fit your vehicle is to check your original part. We will check for you and reply soon within 24 hours.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

At intercyprus.com since 2002 — trusted for quality and reliability.

Benefits & Tips

• Install this heated, piezoelectric O2 sensor to restore accurate air–fuel ratio readings, supporting better fuel economy and reduced emissions.
• Use as a reliable replacement for aging sensors to prevent rough running, hesitation, or check engine light issues caused by faulty lambda readings.
• After installation, consider clearing fault codes and monitoring live sensor data to ensure the new sensor is responding correctly and stabilizing your engine performance.

Product specifications

• Brand: IWOKPHD
• Sensor Type: Piezoelectric
• Type: Heating Type
• Origin: Mainland China
• OEM / Original Numbers: 11787570481, 11787570480, 11787545075, 11787544655, 11787539137, 11177913137, 7539137, 7544655, 7545075, 7570480, 7570481, A0015404617, A0015407617, A0025405617
• Measuring Range / Identifiers: A0015404617, A0015407617, A0025405617
• Part Numbers (Additional References): 11787570481, 1178 7570 481, 0015404617, 0015407617, 0025405617, 11177913137, 11787539137, 11787544655, 11787545075, 11787570480, 7539137, 7544655, 7545075, 7570480, 7570481
• Application: Verified compatibility with multiple Mercedes-Benz models listed below, and includes BMW models in the broader compatibility notes (full list available in product details).

Applications

• Mercedes-Benz: C240 (2001-2005), C320 (2001-2005), C32 AMG (2002-2004), C55 AMG (2005-2006), CLK320 (2003-2005), CLK500 (2003-2006), CLK55 AMG (2003-2006), CLS500 (2006), CLS55 AMG (2006), E320 (2003-2005), E500 (2003-2006), E55 AMG (2003-2006), ML500 (2006-2007), R500 (2006-2007), SL500 (2003-2006), SL55 AMG (2003-2008), SLR McLaren (2005-2009).
• BMW models are included in the broader compatibility notes for cross-application use; please confirm fitment by part number or original part when in doubt.

Package includes:

• 1 pcs

Warnings / Reminders

• Please check the picture and the part number carefully to make sure that you bought the right part for your car.
• If you can not make sure which item fit for your car, please send the Part Number Or the Original product photos to us confirm it before order.
• The only way to be 100% sure that the part will fit your vehicle is to check your original part. We will check for you and reply soon within 24 hours.