Remove/install interior motion infrared sensors - AR80.50-P-9831V

MODEL 171.4 with CODE (882b) Interior motion sensor (only with anti-theft alarm system) 

Fig 1: Identifying Interior Motion Infrared Sensors Components

Courtesy of MERCEDES-BENZ USA

	Remove/Install
1	Remove overhead control panel control unit (N70)	Allow overhead control panel control module (N70) to hang down on electrical lines connected.	AR82.20-P-1000V
2	Disconnect electrical connector (1).
3	Unclip interior motion sensor transmitter and receiver (A26/14) from overhead control panel control module (N70) with suitable tool.	Pay attention to installation position.
4	Install in the reverse order