Mercedes Benz

P1265 Airbag signal A P1265 diagnostic trouble code (DTC) indicates a fault in the airbag system, specifically a problem with an airbag signal. The specific issue can vary depending on the vehicle's make and model.  General causes Faulty airbag control module: The central computer for the airbag system may be malfunctioning. Wiring issues: A break, short, or loose connection in the wiring to the airbag control module or a sensor can trigger this code. Faulty sensors: The sensors that detect impacts could be defective. Failing clock spring: In older vehicles, the clock spring in the steering wheel, which connects electrical components to the steering column, can wear out.  Common quick fixes Many airbag light issues are caused by poor electrical connections, especially in components that are moved frequently. Before performing any work, turn the ignition off and remove the key to prevent accidental airbag deployment.  Check connections under the seats: The wiring harnesses...