Remove/install hands-free system microphone - AR82.70-P-8969V

MODELS 171.4 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 Hands-Free System Microphone Components

Courtesy of MERCEDES-BENZ USA

	Remove/Install
1	Remove overhead control panel control unit (N70)	Do not disconnect electrical connectors from overhead control panel control unit (N70)	AR82.20-P-1000V
2	Disconnect electrical connector (1).
3	Unclip and remove microphone 2 (B25b2) and microphone 3 (B25b3) from overhead control panel control unit (N70)	Installation:  Installation position must be observed. The direction arrows on top of microphone 2 (B25b2) microphone 3 (B25b3) point backwards.
4	Install in the reverse order