The on-board computer on the Mercedes-Benz C models (W204) with 4-button rudder is equipped with the following functions:
- Standard indication-total and daily mileage.
- Travel statistics-mileage, time, average speed, average fuel consumption.
- The rest of the fuel for the rest of the fuel.
- Instantaneous fuel consumption.
- Activating and deactivating the function of the permanent day light.
- Date and time.
- Display and remember information messages from car management systems.
- A digital speedometer.
- Indication of the passage of the ATT.
- The marking of a drop in tyre pressure.