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ECI ignition system power pack location/task/design/function - GF15.15-P-3100M

ENGINE 275.950 in MODEL 215, 220 

ENGINE 275.951 in MODEL 230 up to Model Year 8 

ENGINE 275.953 in MODEL 216, 221 up to Model Year 8 

ENGINE 275.954 in MODEL 230 up to Model Year 8 

ENGINE 275.980 in MODEL 215, 220 

ENGINE 275.981 in MODEL 230 up to Model Year 8 

ENGINE 275.982 in MODEL 216, 221 up to Model Year 8 

ENGINE 285.950 in MODEL 240 

ENGINE 285.980 in MODEL 240 

Fig 1: Identifying ECI Ignition System Mains Unit Connector Assignment
G10108513Courtesy of MERCEDES-BENZ USA
DANGER Risk of death  when touching parts conducting high voltage when the ignition is switched off After ignition OFF only disconnect the plug on the ECI ignition system power pack after 3 minutes. AS15.15-Z-0001-01A
  ECI ignition system power pack location   GF15.15-P-3100-01M
  ECI ignition system power pack task The ECI ignition system power pack generates:
  • 23 volts as an auxiliary voltage for ion current measurement
  • about 180 volts for generating the ignition voltage.

Terminal 87 is also looped to each ignition module.
 
  ECI ignition system power pack design   GF15.15-P-3100-02M
  ECI ignition system power pack function DC voltage converter with two separate channels each with 55 watts for the ignition module on the right and on the left. All outputs are protected.