E 320 4MATIC Wagon (210.282) V6-3.2L (112.941) (1998)
Engine 112, 113
one O2 sensor downstream of firewall catalytic converter for each bank of cylinders/exhaust stream
G3/5
O2 sensor on left, downstream of TWC
G3/6
O2 sensor on right, downstream of TWC
Engine 112, 113
G3/4
O2 sensor on right, upstream of TWC
Engine 112, 113
G3/3
O2 sensor on left, upstream of TWC
O2 Sensors, Task
O2 Sensors, Task