OBD2 Code P1542 Diagnosis and Solution for Mercedes-Benz C280 (1999 Model)

I'm experiencing OBD2 diagnostic code P1542 on my 1999 Mercedes-Benz C280. The error indicates a fault in the engine control module's internal sensor or communication system, specifically related to the intake air temperature sensor signal. This code is often linked to electrical connectivity issues, faulty wiring harnesses, or sensor malfunctions within the intake system. I've already checked basic connections and cleaned the sensor terminals, but the issue persists. Can anyone confirm if this code typically points to a specific component in the C280's engine management system? Any troubleshooting steps or known fixes for this model year would be greatly appreciated.