Engine Control Unit ECU A2721531779 for Mercedes-Benz Cars & Trucks 2004–2012Product Overview Part Name: Engine Control Unit (ECU) Part Number: A2721531779 Vehicle Compatibility: Mercedes Benz vehicles equipped with M272 petrol engines, commonly used in C Class, E Class, S Class, ML Class, GL Class, and Sprinter based light commercial applications (20042012). Configuration: High quality aftermarket OEM style ECU manufactured to original performance standards, designed for reliable integration with Mercedes Benz M272 engine