SLK 320 (170.465) V6-3.2L (112.947) (2002)
Engine 111 EVO
G3/2
O2 sensor upstream of TWC
Engine 111 EVO
158 Three-way catalytic converter
G3/1
O2 sensor downstream of TWC
G3/1x1
Plug connection of O2 sensor downstream of TWC
Engine 112
G3/3
O2 sensor on left, upstream of TWC