Electronic ignition/starter switch control module, location/purpose - GF80.57-P-4120T

MODELS 211.0/2/6 

Fig 1: Locating DI Control Module

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

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