Massage Function Control Unit, Basic Function - GF91.25-P-9891A
WARNING: This page is about a different car, the 2023 Mercedes-Benz C300, 2022 Mercedes-Benz C300, 2021 Mercedes-Benz C300, 2020 Mercedes-Benz C300, and 2019 Mercedes-Benz C300. However, it is still accessible from the selected car via links, so may be relevant.
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:
- Controlling the massage functions in the seat cushion or in the backrest
Location
The massage function control units are located in the respective seat.
Function requirement
- Circuit 30t ON
Structure
The massage function control units contain integrated valves to supply air to the massage bladders.