Block diagram of electric seat adjustment (with CODE 275) - GF91.29-P-0004-03CWA

MODEL 204.0 /2 with CODE (275) Memory package (driver seat, steering column, mirrors) with CODE (242) Electrically adjustable front passenger seat with memory up to Model Year 8 

Fig 1: Electric Seat Adjustment Block Diagram

Courtesy of MERCEDES-BENZ USA