Electronic ignition switch control unit, location/ task - GF80.57-P-4120SK

MODEL 171.4 

Fig 1: Identifying EIS Control Module Location

Courtesy of MERCEDES-BENZ USA

Electronic ignition switch control unit, location	The EIS control module (N73) is installed next to the steering column
Electronic ignition/starter switch control unit, task		GF80.57-P-4102-03SK