What is the Mercedes-Benz Rain-Sensing Automatic Window Closing Function?
2 Answers
Mercedes-Benz's rain-sensing automatic sunroof closing function activates when the ignition key is in position 0 or has been removed. 1. Conditions for automatic sunroof closing: (1) When rain begins; (2) When the interior or exterior temperature is extremely high or low; (3) After being open for 6 hours; (4) In case of power failure; (5) Automatic closing function during rainy driving conditions. 2. Conditions for sunroof closing speed: While the vehicle is in motion, the raised sliding sunroof will not automatically lower when rain starts. The degree to which the sliding sunroof lowers depends on the vehicle speed and rainfall intensity.
Mercedes-Benz owners are well aware that this feature automatically closes the windows when it rains, preventing rainwater from entering the car. With years of experience in car repair, I understand that it works by detecting raindrops through the rain sensor on the windshield. Once rain is detected, it triggers a control module to close the windows and sunroof. You can enable or disable this option in the vehicle settings menu and even adjust the sensitivity to suit different weather conditions. If the sensor is obscured by dust, the function may fail, so it's advisable to clean it regularly or have it checked at a 4S shop. This feature is quite convenient, especially during hot summers when sudden rain showers occur, ensuring that the seats don’t get wet and protecting the car's electronic components.