Rear Climate Control Operating Unit, Component Description - GF83.40-P-3050RF
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 205, 253
with code 581 (Automatic air conditioning)
Shown on model 205
Fig 1: Rear Climate Control Operating Unit Components Location - Model 253 With Code 581 (Shown On Model 205)
| Control element | Controllable function | Operating feedback |
|---|---|---|
| Air volume button (1) | Increase and reduce air flow | Display (4) |
| Temperature button (2) | Setting of specified temperature | Display (4) |
| Selector wheel (3) | Open/close air outlet | - |
Location
The rear climate control operating unit is located in the rear in the center console between the front seats.
Task
The climate control for the rear can be adjusted using the rear climate control operating unit. This in turn means that the rear climate control operating unit is responsible for the following tasks:
- Reading in of signals
- Output of signals
Reading in of signals
The following input factors are read in via climate control LIN (LIN B8-3):
- Circuit status
- Function feedback from climate control control unit (N22/1)
Output of signals
The following signals are issued over the A/C operating unit LIN:
- Request for higher or lower air flow in rear
- Request for higher or lower specified temperature in rear Based on this data, the air volume of the rear vents and the temperature control in the rear are controlled or regulated.