Please make sure your car has a side roof rack and choose the right model! Bars made of high quality aluminum alloy. They are light weight, easy to install and dismantle. The cargo luggage crossbars roof rack fit for compatible with. Mercedes-benz GLA 2014 2015 2016 2017 2018 2019.Designed in the shape of a shark's mouth, it can firmly grip the sides of the luggage rack and feel firm as you drive. Great solution if you have oversized items that you need to transport like: kayaks, canoes, luggage. Skis, bikes, fishing poles and more. Easy to assemble & remove in minutes. Effectively reduce wind resistance & noise.