For Benz C350 2010-2013 Car Lambda Sensing Unit 02pcs Upstream O2 Oxygen Sensor 0035427018

Compatibility：For C350 2010 2011 2013 Installation: If the old oxygen sensor is difficult to eliminate during installation, spray some thread loosener onto the threads, wait a moment, and then attempt to eliminate it. Avoid forcing it, as this may damage the threads. Function: The oxygen sensor also plays a role in the engine start-stop system, helping the engine to quickly resume closed-loop control after restarting and reducing the increase in emissions during the start-stop process. Please note: Before purchasing, please check that the make, model, year and engine type of your vehicle match those listed, to avoid installation failures due to incompatible specifications. After-sales service: Should you encounter any issues whilst using the product, please let us know and we will provide a solution without delay.