S 55 AMG (220.173) V8-5.5L (113.982) (2001)
Climate Control Exhaust Gas Sensor: Service and Repair
AR83.40-P-6730M Remove/Install Multifunction Sensor
1
Unscrew screws (3)
2
Remove cover (2)
3
Disconnect connector on multifunction sensor (1)
4
Remove multifunction sensor (B31)
5
Install in opposite order.