Intelligent light inoperative

[Stanleybrabus]

I have w212 e300 avantgarde and its now showing a massage which is intell.light inoperative but it happened randomly when we turn off the car lock then unlock again the left front lamp which was off then its on again and then untill and unless i drive to 15mins front left lamp switched off again along with the same message comes up.. i have tried to change my rain/light sensor also it was not working… anyone facing this issue please what kind of sick is this