Mercedes CLS Class Air Intakes The show quality ram-filter air intake is the easiest tuner option for Mercedes Benz. This model is excellent in its service and superlative in its performance level. Mercedes CLS Class Air Intakes last for a very long time and give flawless performance. The style of the intake uses the cold air inlets in the bumper to obtain the coldest densest air. The ram-filter is manufactured in such a manner that it draws more volume with the help of its open-end design. This is a short ram CAI system which releases a growl under full throttle. The Poly Foam element is quite thick in itself and it prevents the dirt from flowing all over the place. One of the most attractive features is that its ram air filter out-performs in its performance as opposed to cheaper cone filters. Most researchers and magazine tests have come to the conclusion that the ram-filter is a perfect intake. The Mercedes CLS Class Air Intake comes with all necessary pipes, filters, clamps as well as gaskets for OEM boxes.