* Preventing Wind Noise and Drafts: With the windows down, wind will rush into the cabin and cause a lot of noise and drafts, making the ride uncomfortable. This can also put strain on the top mechanism.
* Protecting the Interior: Wind and rain can easily get into the car with the windows down, potentially damaging the interior upholstery and electronics.
* Smoother Top Operation: The top mechanism is designed to work optimally with the windows closed, ensuring a smoother and more secure seal.
Exceptions:
* Brief Stops: If you're making a quick stop and the windows are already down, you might get away with leaving them down for a short period. However, you should avoid driving with the top up and windows down for extended periods.
* Vent Mode: Some convertible tops have a vent mode that allows you to have the top up but still have some airflow. This typically involves opening a small portion of the top, allowing some air circulation.
In Summary:
It's best practice to always roll up the windows of your Mercedes-Benz 600SL before operating the convertible top. This will ensure a comfortable and safe ride, protect your interior, and help the top operate smoothly.