Wireless vehicle seat sensor unit adapted for removable vehicle seats

A vehicle seat sensor unit (14) comprises a seat occupancy sensor (18) being configured for wirelessly communicating with a control unit (16), at least one first seat detection sensor member (24) andat least one second seat detection sensor member (26). The at least one first seat detection sensor member (24) is arrangeable in one out of a lower vehicle seat portion (32) of a vehicle seat (30) that is mountable in a vehicle in a removable manner, and a vehicle cabin floor (42), and the at least one second seat detection sensor member (26) is attachable to the other one out of the lower vehicle seat portion (32) and the vehicle cabin floor (42). The first seat detection sensor member (24) and the second seat detection sensor member (26) are configured to physically interact if mutually arranged within a specific distance (28). The physical interaction results in a detectable change of a status of at least one out of the at least one first seat detection sensor member (24) and the at least one second seat detec