OEM Switch, rear window heating Mercedes Benz S-Class W126 280 S +more

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A window heating switch in a car is a part of the electrical system that controls the heating function of the car's windows. It is typically located on the dashboard or center console, within easy reach of the driver. When activated, the switch sends an electrical signal to activate a heating element embedded within the window glass.

This heating element, commonly known as a window defroster or defogger, helps to eliminate condensation, frost, or ice from the interior surface of the windows. The switch usually has multiple settings, allowing the driver to control the intensity of the heating. By using the window heating switch, the driver can quickly improve visibility and ensure safe driving conditions by clearing the windows of any obstructions caused by moisture or frozen deposits.