Remove/install additional fan for COMAND - AR82.85-P-0005W

MODEL 172.4 with CODE (512) COMAND APS with DVD changer with CODE (527) COMAND APS with single DVD drive (with navigation) 

Fig 1: Identifying COMAND Additional Fan Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove cover (1)
2	Remove glove box (2)
3	Remove Audio/COMAND display (A40/8)		AR82.60-P-7722W
4	Unlock radio fan electric connector (X120) from connector housing (arrow) and instrument panel (3)
5	Disconnect radio fan electrical connector (X120)
6	Remove bolts (4)
7	Remove air intake duct (5).	Ensure that air intake duct (5) arrest completely in COMAND fan motor (M4/13).
8	Disconnect COMAND fan motor (M14/13) from air blower duct (6) and remove	Ensure that air blow duct (6) arrests correctly on COMAND fan motor (M4/13).
9	Install in the reverse order