SLK 32 AMG (170.466) V6-3.2L SC (112.960) (2003)
Oil Level Sensor: Description and Operation
B40 Oil Sensor (Oil Level/Temperature/Quality)
Connector:
Pin 1 - output signal
Pin 2 - GND
Pin 3 - voltage supply
a Capacitive measuring range at sensor
1 Electronics with 3-pin connector