Not sure which 2003 Mercedes-Benz CLK-Class Air Filters - Custom Fit is right for you? We have over 14143 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"Never thought of a Air filer could be help this much, i have these filter install in my 03 CLK 55 AMG after install these filter.. my car is like roaring out the free way. I don't even need to step so hard to accelerate to go fast.. Great Product! Highly recommend!" —Standford K from South San Francisco, CA bought a K&N Air Filters for a 2003 Mercedes-Benz CLK-Class.