Spyder Auto PRO-YD-MBSLK05-HID-DRL-BK Mercedes Benz R171 SLK Black HID Type DRL LED Projector Headlight Update your vehicle's look Item sold in pair: left and right Made by OE approved and ISO certified manufacturers with quality that meet or exceed OE requirements A direct swap with your original lights for simple plug and play Please verify fitment before purchasing this product; may not fit models or body styles not explicitly listed