To open the wheel sensors themselves as the metal cap over / glued to the plastic bodied sensor probably won't " give you much "

When I looked at my 1 damaged ( cap pulled off ) in removed sensor , the internal dimensions where either too small for repair or " potted " can't accurately recall to tell you

But do record the raised letters part #s for referencing if wrong against part list as there was a change in part #s during X300 production , so that makes X number of possible part #s in the mix , lefts do not work on rights and vice versa ( has to do with spinning target toothed reluctor as the sensor is a inductor just like the crankshaft position sensor ) moving across the face direction as sensor is mounted )

I once saw a response back to me as he saw 600 ohms as a basic meter test on whole group of 4 sensors and his worked