S 55 AMG (220.174) V8-5.5L SC (113.991) (2004)
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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