It is possible to install two variants of the central lock's full-time key position on the Mercedes-Benz C-class (W204). In the first case, pressing the button 1 performs a central release, and the button 2 performs a central lock.
button 1
button 2
If you press the 1 and 2 buttons at the same time and hold them for 6 seconds, pressing the second mode when the battery is charging the battery twice:
- Single click on the button 1-unlock the driver's door and a petrol tank.
- Double click on the 1-central unlock button.
- Single click on button 2-central lock.