SLK 230 (170.447) L4-2.3L SC (111.973) (2000)
Oxygen Sensor: Description and Operation
O2 Sensors, Location
O2 Sensors, Position
Engine 111 (except M 111EVO)
located in cross connection pipe
G3/2
O2 sensor upstream of TWC
Engine 111 (USA) (except M 111.983)
G3/2
O2 sensor upstream of TWC
Engine 111 (USA) (except M 111.983)
G3/1
O2 sensor downstream of TWC