E 420 (210.072) V8-4.2L (119.985) (1997)
Oxygen Sensor: Locations
O2 Sensors, Location
O2 Sensors, Position
Engine 111.957
G3/2
O2 sensor upstream of TWC
Engine 111.957
158 Three-way catalytic converter
G3/1
O2 sensor downstream of TWC
G3/1x1
Plug connection of O2 sensor downstream of TWC
Engine 111
located in cross connection pipe
G3/2
O2 sensor upstream of TWC