Mercedes-Benz OEM Illuminated Star 2010 to 2013 E-Class Coupe and Convertible models Illumination of the central star via optical fiber LED technology - activated via vehicle key fob After unlocking with the key; the Star will be illuminated for 40 seconds If any door is opened, the Star will stay illuminated for total of 5 minutes After driving and parking, the Star will be illuminated for 60 seconds after the engine is switched off Not for vehicles with Distronic/Distronic Plus