Remove/install emergency call system microphone - AR82.95-P-0016V

MODEL 171.4 with CODE (359) TELE AID emergency call system, lowcost with CODE (386) Preinstallation for "portable CTEL" UPCI telephone system with CODE (387) Preinstallation for "portable CTEL" UPCI telephone system, USA/Canada with CODE (388) "Portable CTEL" UPCI telephone system with CODE (498) Japan version 

Fig 1: Identifying Emergency Call System Microphone Components

Courtesy of MERCEDES-BENZ USA

	Remove/Install
1	Remove overhead control panel control unit V(N70)	Do not disconnect electrical connectors from overhead control panel control unit (N70)	AR82.20-P-1000V
2.1	Unclip interior motion sensor transmitter and receiver from overhead control panel control unit (N70) and allow to hang down with electrical line connected	On vehicles with code(882b) interior motion sensor (only with ATA)	AR80.50-P-9831V
3	Disconnect electrical connector (1).
4	Unclip microphone 1 (B25b1) from overhead control panel control unit (N70) and remove	Installation:  Installation position must be observed. Direction arrow on top of microphone 1 (B25b1) points backwards.
5	Install in the reverse order