This Bosch Lambda Oxygen Sensor (part number 0281004207) is a high-quality replacement part for various Mercedes-Benz models. It features 5 circuits and an overall length of 740mm, with a recommended change interval of 250,000 km. The fitting position is before the catalytic converter. It is compatible with numerous OEM numbers from Mercedes-Benz, Freightliner, Steyr, and Valmet. This sensor is suitable for vehicles with start-stop function and those without a soot particulate filter. It meets the Euro 6 emission standard. Engine codes compatible include OM 651.95... and OM 642.820. Specific Mercedes-Benz models include C-Class (W204, S204, W205, C204, C205), E-Class (W212, S212, W213, S213, C207, A207), A-Class (W176), B-Class (W246, W242), CLA (C117, X117), Vito (W639, W447), Viano (W639), Sprinter, M-Class (W164, W166), GLK (X204), GLC (X253, C253), GLA (X156), S-Class (W221, W222), R-Class (W251, V251), CLS (C218, X218), G-Class (W463), and SLK (R172).