This heater control panel is a perfect fit for your 2013 diesel Mercedes E Class. The panel is made of durable plastic, ensuring that it will last for a long time. It has also been 100% leak tested, so you can be sure that it won't cause any issues with your car's heating or cooling system. The installation process is simple and easy, with no drilling or modifications needed. The panel comes in a sleek black color that will match the interior of your car perfectly. Make sure to add this high-quality heater control panel to your list of must-have car parts and accessories.