On this episode of Ignition, Carlos Lago takes the brand new 2014 Mercedes Benz CLA45 AMG to the Hyundai Proving Grounds, to find out what makes this .\r<br>\r<br>Mercedes CLA 45 AMG Racing Series concept live in Frankfurt Mercedes has unveiled the CLA 45 AMG Racing Series concept at the Frankfurt Motor Show.\r<br>\r<br>\r<br>\r<br>\r<br>\r<br>On this episode of Ignition, Carlos Lago takes the brand new 2014 Mercedes Benz CLA45 AMG to the Hyundai Proving Grounds, to find out what makes this .
