katrina08

i have a 2005 c320 4matic. i need to located the ECU sensor to install a chip i ordered from B&B and I know where the ECU box is but i have no idea where the ecu sensor is that b&b said is where i attach the chip to. i just need a diagram or something so i know more about this ecu and where this sensor could be located. thank you for any advice or help