Dynamic seat control unit, component description - GF91.25-P-5202SX

MODEL 216.3, 221.0 /1 with CODE (432) Left and right dynamic multicontour seat up to Model Year 8

Illustrated on model 221

Fig 1: Identifying Left/Right Front Dynamic Seat Control Unit

Courtesy of MERCEDES-BENZ USA

Location

The dynamic seat control unit is located in the respective front seat backrest.

Task

Actuation of the pneumatic pump for dynamic seat control (M40/1)
Adjustment of the seat hardness and seat contour
Actuation of the pressure valves for seat backrest and seat cushion as well as shoulder support, lateral support, and upper leg support
Actuation of the dynamic lumbar support (massage)
Adjusting and storing air cushion pressure values

Discrete inputs

Circuit 31 and circuit 30
Pressure valves
Massage valves

Discrete outputs

Pressure valves
Massage valves

CAN signals

The dynamic seat control units are interior CAN participants, whereby the left front seat control unit (N32/1) or the right front control unit (N32/2) serve as an interface.