A-Premium Set of 6 Ignition Coil Pack and Iridium Spark Plugs Compatible with Mercedes-Benz W212 Series E300 2015-2016, W212/S212 Series E350 2014-2016, W212 Series E400 2014, 3.5L
[Iridium spark plug]: Iridium is a type of refined alloy which is highly suitable to be used as the materials of the central electrode in a spark plug. It extends the life of the spark plug nearly threefold, ensures a more stable idle speed of the engine, and delivers a super performance to the engine with improved fuel efficiency, reduced emissions and faster starting up.
[Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted ignition coils and spark plugs kit. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind.