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Home >> Mercedes Benz >> 2018 >> S450 Base >> Repair and Diagnosis (Single Page) >> Restraints >> Restraints Control Systems >> Seats, Bunks, Restraint Systems - 222 Chassis (1 Of 4) >> Basic Knowledge >> Multicontour Seat Control Unit, Basic Function - GF91.25-P-9890A
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Multicontour Seat Control Unit, Basic Function - GF91.25-P-9890A

Model All (CAR) With Code 399 (Front multicontour seat with massage function) 

Model All (CAR) With Code 406 (Multicontour rear seat) 

Model All (CAR) With Code 409 (Left and right front multicontour seat) 

Model All (CAR) With Code 432 (Dynamic seats left and right) 

General 

The multicontour seat control unit performs the following tasks:

Location 

The multicontour seat control unit is located in the backrest frame of the respective seat.

Function requirement 

The multicontour seat control unit contains integrated piezo valves to supply air to the air cushions.

  Component descriptions     
  Multicontour seat control unit (MCS), component description Model 223 with code 406 (Multicontour rear seat)
Model 223 with code 432 (Dynamic seats left and right)
GF91.25-P-5201A
    Model 243 with code 409 (Left and right front multicontour seat) GF91.25-P-5201B
    Model 206 with code 399 (Front multicontour seat with massage function)
Model 206 with code 409 (Left and right front multicontour seat)
GF91.25-P-5201C
    Model 297 with code 399 (Front multicontour seat with massage function)
Model 297 with code 406 (Multicontour rear seat)
GF91.25-P-5201D