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Home >> Mercedes Benz >> 2021 >> GLB250 Base >> Repair and Diagnosis (Single Page) >> Restraints >> Restraints Control Systems >> Seats, Bunks, Restraint Systems - 247 Chassis (1 Of 2) >> Basic Knowledge >> Massage Function Control Unit, Basic Function - GF91.25-P-9891A
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Massage Function Control Unit, Basic Function - GF91.25-P-9891A

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 432 (Dynamic seats left and right) 

General 

The massage function control unit performs the following tasks:

Location 

The massage function control units are located in the respective seat.

Function requirement 

Structure 

The massage function control units contain integrated valves to supply air to the massage bladders.

  Component descriptions     
  Component description for massage function control unit Model 223
with code 406 (Multicontour rear seat)
Model 223
with code 432 (Dynamic seats left and right)
GF91.25-P-5212A
    Model 206
with code 399 (Front multicontour seat with massage function)
GF91.25-P-5212C
    Model 297
with code 399 (Front multicontour seat with massage function)
Model 297
with code 406 (Multicontour rear seat)
GF91.25-P-5212D