Keep your Mercedes running smooth with this genuine replacement air filter! This 2-pack gives you a spare for next time, saving you trips to the auto parts store. It's the exact fit for so many Mercedes models - we're talking 2009 GL320, 2010-2016 GL350, 2016 GLE350d, 2017 GLS350d, 2009 ML320, 2010-2015 ML350, and even 2012-2013 S350 with that V6 3.0L engine. The part numbers match up perfectly with OEM specs - PA99279K, 6420940000, A6420940000 and all those other numbers you might see in your manual. What's really great about this filter is how it uses fine filter media to trap debris before it can mess with your engine. That means better performance and improved efficiency for your luxury ride. Mercedes experts recommend changing your air filter every 12,000 miles to keep everything running clean and efficient. The installation is seriously simple - just pop open the air filter housing, take out the old one, drop this new one in, and you're done in like five minutes. No tools needed, no mechanic required. Each filter goes through strict quality checks so you know you're getting something reliable. Whether you're doing your own maintenance or just want to have the right part ready for your mechanic, this air filter keeps your Mercedes breathing easy and performing at its best.