No encoding is needed, just replace the defective sensor.
Equals to this part numbers: A0045428718, 0045428718, 0 263 003 556
C, E, S Klasse, ML, VITO
W203, W209, W210, W211, W215, W220 W240, W163, W164, W251, W171, ML Sprinter und Vito 639

NEW High Quality Mercedes Parking Sensor 0045428718 W203 W210 W211 W220 W163 C240 C320 E320 E430 S350 S430 S600

MERCEDES-W203-W209-W210-W211-W220-W163-W164-S350-S430-Parking-Sensor-0045428718