This rear diffuser is perfect for Mercedes CLS owners from 2012 - 2018 who want to enhance their car's look and performance. Whether you're on the track or just cruising on the road, it'll make your car stand out. Made of carbon fiber, it's lightweight which helps with your car's speed and handling. It's a single - piece diffuser that fits all 2012 - 2018 Mercedes CLS models. You'll need a professional to install it, but once it's on, you'll love the upgrade.