Model: Mercedes-Benz CLK230, chassis model W208, the engine model is 111, VIN code for the WDB2083481F163393.
    Symptom: the car was overhauled by the accident, maintenance personnel in the maintenance of air conditioning system. Found that air conditioning compressor can not pull the operation, and the pipeline can only join 80g refrigerant.
    Troubleshooting: 80g refrigerant pressure in the pipeline, has been sufficient to meet the air conditioning compressor suction operation requirements, from the air conditioning control panel work conditions, the fault must be in the electrical aspects, because the control panel EC key The indicator light is always on. EC key has two basic functions, one press the EC key, automatic air conditioning system into the economic mode of operation. At this point the cooling function is canceled; the second is when the electronic control system to monitor the failure. While the fault code is stored, the indicator for the EC key is activated.
    Connect the STAR diagnostic instrument, the air conditioning electronic control system for self-diagnosis. Choose 208348 models. Select "KLA" electronic control item in the control module group. Query the fault information, the display is as follows: B1230EvaporatortemperaturesensorB10 / 6. Meaning for the evaporator temperature sensor B10 / 6 fault, the current existence.