Vehicle Fitment Information: 2012-2015 Mercedes-Benz C250 2014-2016 Mercedes-Benz E250 2012-2015 Mercedes-Benz SLK250 2012-2016 Mercedes-Benz SLK350 Radiator Features: Installation guidelines provided in the box. ISO 9001 certified manufacturing plants. Premium OE hardware and fittings included in every box. Project operation, the vehicle normal temperature 60 to 80 degrees. Add detergent if the tank is too full can take some antifreeze. .