What should I do if the ambient temperature sensor on Mercedes-Benz W 140 Tiger Headlight keeps buzzing? Mercedes-benz s-class

The reading light on the head is not normal, sometimes not, sometimes mostly. Air conditioning temperature sensor air conditioning pressure sensor; The front roof function area also integrates the main driver's seat reading light, passenger seat reading light, taillight control, welcome light, information consultation, emergency help and other function buttons. Go back to the factory and deal with it.