Remove and install multifunction sensor - AR83.40-P-6730T

MODEL 211.0/2/6 with CODE (581b) Convenience automatic air conditioning 

Fig 1: Identifying Multifunction Sensor Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove/install
1	Open engine hood and raise to vertical position		AR88.40-P-1000T
2	Disconnect electrical connector (1) from C-AAC multifunction sensor (B31)
3	Unscrew bolts (2)
4	Remove C-AAC multifunction sensor (B31) from water collector	The sensor surfaces (3) must point toward the water collector. Ensure that the electrical line is correctly routed.
5	Install in the reverse order