this will only work for mercedes equipped with the multi function steeringwheel. turn key on
when cluster is reading miles push the button on the left side of the steering wheel, it will look like the pages of a book, push it 6 times or until you see settings return using R
push the up arrow,push the - button on the right side of the steering wheel until you see lighting, once thet push the up arrow button 3 times until you reach head lamp delayed switch off, use the + or - to select your time, once it is selected turn key off and remove to set