Mercedes Benz

******************************************************************** 2010 Mercedes Benz E 63 AMG Sedan (212.077) V8-6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 1 Vehicle: All Technical Service Bulletins Air Temperature Sensor Related Fault Codes Functional description of the air temperature sensor (component B2/5b1): The air temperature sensor (component B2/5b1) is integrated into the hot film mass air flow sensor (component B2/5). It contains a temperature dependent resistor whose resistance falls with rising temperature. The engine management system (ME9.7 Motor electronics 9.7) uses the change in the applied voltage in order to determine the air temperature. Repair process for air temperature sensor (component B2/5b1) related fault codes: Repair process for fault code 2025, 2026: These fault codes are stored in case of a problem with the cables or the connectors of the intake air temperature sensor (B2/5b1). Note: Fault code 2026 is stored when the ...