2015 C250 2.0L. 2009-2015 GLK350 3.5L. Insert the new air filter, ensuring it fits snugly in place. Type:Air Filter. 2009 GLK280 3.0L. 2013-2015, 2017-2018 E400 3.5L. Ensure the vehicle is parked on a flat surface and the engine is off before starting the installation.