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SOS switch, location/task/design/function - GF82.95-P-4107TM

MODEL 211.0/2 with CODE (359) TELE AID emergency call system with CODE (491) USA version 

Fig 1: Locating SOS Switch
G07285234Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
SOS switch, location The SOS switch (S93/3s1) is integrated into the overhead control panel control unit (N70).  
SOS switch, task
  • Triggering a manual TELE AID emergency call
  • Visual feedback of TELE AID operating conditions
 
SOS switch, design
  • Integrated LEDs for night illumination (circuit 58d) and as an indication of the operating condition
  • Cap for protecting against unintentional actuation
  • Control resistor parallel to switch contact
 
SOS switch, function   GF82.95-P-4107-04TM