Improve your Mercedes E Class (W211/T211) roar and operation by changing the air filter – it’s a small job that brings big results. Air filters come in a range of shapes, sizes and materials. Some are designed to last a lifetime and are completely washable, others will need replacing after a certain number of miles. Generally made from foam, heavyweight cotton or carbon, they’re designed to keep your engine clean. They do this by pumping outside air into the engine, which has the added bonus of reacting with the ignited fuel and increasing the vehicle’s horsepower. Air filters also ensure more miles for your money. Pipercross) panel filters are a perfect match for your engine. These are often made of pleated paper and used as a standard filter by many manufacturers. The big advantages of using a panel filter is firstly the cost – they’re relatively inexpensive – and secondly the size – small, flat filters are versatile beings and do a great job with minimum intrusion and no fuss. For the average driver who focuses on motorway and city roads over rural, a panel filter will suffice. However if it’s purely induction roar you’re after, look elsewhere. When it comes to filters you’ll find exactly what your car needs at LK Performance.