w166 - completion of the regular Ambient Lightin PDF

A documentation that details the process of upgrading ambient lighting in the GLE 166 vehicle. The document describes a method to change the current three-color backlighting to a twelve-color system by replacing diodes and programming adjustments. Visuals show the steps involved, including images of the vehicle’s interior lighting before and after the upgrade. Additional context is provided about the service and where it can be performed.