Rear Air-Fuel Lambda O2 Sensor for Mercedes-Benz C300 C350 CL63 CLS63 CLS550

The IWOKPHD Rear Air-Fuel Lambda O2 Sensor is a precise, direct-fit replacement designed for a broad range of Mercedes-Benz models. This downstream rear probe sensor helps your vehicle monitor and adjust the air-fuel ratio, supporting optimal combustion, improved emissions performance, and stable engine operation. Built as a heating-type, piezoelectric oxygen sensor, it heats quickly to operating temperature for fast decisive readings and reliable feedback to the engine control unit.

Benefits & Tips

• Restore accurate fuel metering and smoother idle by keeping the air-fuel ratio in the ideal range, which can improve fuel economy and reduce exhaust emissions.
• Support reliable performance across a wide model range, from C-class to S-class and SUV variants, with a genuine direct-fit replacement that minimizes installation effort.
• Install during routine maintenance to protect the catalytic converter and maintain optimal catalyst efficiency, helping your vehicle pass emissions tests more consistently.

Product specifications

• Brand Name: IWOKPHD
• Sensor Type: Piezoelectric
• Heating Type: Yes
• Measuring Range: Downstream Rear Probe Lambda O2 Oxygen Sensor
• OEM No.: A0065422018
• Part Numbers: 0065422018, 0085423918, 5033500AA, 5149169AA, 5149171AA, 56028994AA, 56029049AA, 56041698AA, 7B0906262A, 7B0906265A
• Origin: Mainland China
• Application (selected models): Mercedes-Benz C300 (2013-2014), C350 (2012-2015), CL63 AMG (2011-2014), CLS550 (2012-2016), CLS63 AMG (2012-2014), CLS63 AMG S (2014-2016), E350 (2012-2013), E400 (2013-2015), E550 (2012-2016), E63 AMG (2012-2015), E63 AMG S (2014-2016), GL450 (2013-2014), GL550 (2013-2016), GL63 AMG (2013-2016), GLE63 AMG (2016), GLE63 AMG S (2016), GLK350 (2013-2015), ML550 (2013-2014), ML63 AMG (2013-2015), S550 (2012-2013), S63 AMG (2011-2013), SL550 (2013-2016), SL63 AMG (2013-2016), SLK350 (2012-2016), SLK55 AMG (2012-2016)
• Warranty: 1 year (Replacement Warranty)

Package includes:

• 1 x Oxygen Sensor

Warnings / Reminders

• Please check the product picture and fitment before you order. If you are not sure, please feel free to contact us before you order; otherwise we will not refund you for a wrong order.
• All items will be sent out within 2 working days after payment is confirmed. Shipping times are estimates and may vary with season or weather.
• Import duties, taxes and charges are not included in the item price or shipping charges. These charges are buyer’s responsibility.
• We will replace items which are malfunctioning when you receive. Item must be returned in original packaging.
• Your positive feedback is important to us—please leave 5-star feedback if satisfied. Contact us before returning items or leaving non-positive feedback so we can resolve issues quickly.
• Warranty: 1 year; Warranty Type: Replacement Warranty

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

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