Remove/install panic alarm system control unit (PAS) - AR82.25-P-1206SXS

MODEL 221.1 with CODE (Z07) Top protection with panic alarm system 

Shown on vehicle with fire extinguishing system 

Fig 1: Identifying Panic Alarm System Control Unit (PAS) Components - Shown With Fire Extinguisher

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Switch off ignition, detach transmitter key from electronic ignition switch control unit
2.1	Remove fire extinguisher agent reservoir	Only on vehicles with fire extinguisher system.	AR86.10-P-0100SXS
3.1	Remove trunk floor panel and equipment support	On vehicles with emergency fresh air system.	AR68.30-P-4600SXS
4	Undo nuts (1) and place cover (2) to one side	For vehicles without fire extinguishing system the cover (2) is lined with fabric. On vehicles with fire extinguishing system check for correct routing of electric wiring harness for fire extinguishing system diagnostic interface (X11/42).
5	Detach electrical connectors (4) on PAS [GAS] and special signal system control unit (N26/12)
6	Remove nuts (3) and PAS [GAS] and special signal system control unit (N26/12)
7	Install in the reverse order