Hand Motion Sensor, Component Description - GF82.90-P-4025RFM
WARNING: This page is about a different car, the 2023 Mercedes-Benz GLC300, 2022 Mercedes-Benz GLC300, 2021 Mercedes-Benz GLC300, 2020 Mercedes-Benz GLC350e, and 2020 Mercedes-Benz GLC300. However, it is still accessible from the selected car via links, so may be relevant.
Model 253 (except 253.99)
as of model year 2020
with code 77B (Contactless gesture control at front)
Shown on model 253.9
Fig 1: Hand Motion Sensor Components Location - Model 253 (Except 253.99) As Of Model Year 2020 With Code 77B (Shown On Model 253.9)
Location
The hand motion sensor is installed in the overhead control panel (N70).
Tasks
Using a camera, the hand motion sensor detects hand movements made by the driver and front passenger and turns them into operation signals for vehicle functions. At the same time, the hand motion sensor performs the following tasks in particular:
- Reception of control signals from the head unit via the telematics CAN (CAN A)
- Image evaluation
- Transmission of operation signals to the head unit via the telematics CAN
The hand motion sensor can be switched on and off as well as configured via a menu in the head unit.
| Wiring diagram of hand movement sensor control unit | PE54.21-P-2160-97FCA |