Version 1.0
Was performed with the following component from Häfele:

(Unfortunately, you cannot order from the Häfele store as a private individual. You can either look for a partner store, register yourself as a trader or contact [email protected] , I may still have one in stock).
- Lamp can be levered out with the help of fingernails without using too much force in the bathroom. Note the picture in step 2 to see which connectors are to be disconnected here on the vehicle.
- Prepare lamp and new switch

- Unscrew side panels and remove plastic front panel

- Now “unsolder” the two connecting cables of the motion sensor (i.e. heat them with the soldering iron and pull them off).


- Carefully remove the plug from the new switch (a little bit of force is probably needed)


- Strip the wires by a few millimeters for soldering
- Solder cable

- If you have the opportunity, connect a 12V power supply to the cables now after soldering to test your solder joint.
- Connect the other side of the plug with the old cable (note the colors on the photo)

- After installation, lower and upper LEDs should burn and also be dimmable.
- Attention: After the conversion, two special features must be observed.
- The bathroom light turns on after each press of the main switch.
- The light will not turn off when you press the off switch when you get in, nor will it turn off when you lock the vehicle.
- The bathroom light turns on after each press of the main switch.