Hello Francis Yip,

Based on your inquiry, you can refer to the following website:

https://www.mercedes-benz.ie/services/manuals/e-class-saloon-2022-10-w213-mbux/interior-lighting/adjusting-the-ambient-lighting/

If you have any further questions regarding this vehicle model, feel free to contact Mercedes-Benz directly for assistance at the following website:

https://www.mercedes-benz.ie/services/book-a-service/#/

Thank you!