E 320 4MATIC Sedan (210.082) V6-3.2L (112.941) (1999)
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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 Sensor 2 (After TWC) - G3/1
