Integrated Starter Alternator Controller Unit, Component Description - GF15.40-P-2104A

Model 223 with engine 176 

Model 223 with engine 256 

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Image valid for model 223 with engine M256 

The numbers on the pins indicate the pin numbering of the slots.

Courtesy of MERCEDES-BENZ USA

Image valid for model 223 with engine M176 

The numbers on the pins indicate the pin numbering of the slots.

Fig 1: Integrated Starter Alternator Controller Unit Components Location - Model 223 With Engine 256

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Arrangement in model 223 with engine 256 

Fig 2: Integrated Starter Alternator Controller Unit Components Location - Model 223 With Engine 176

Courtesy of MERCEDES-BENZ USA

Arrangement in model 223 with engine M176