This product is a genuine set of 6 spark plugs designed for specific Mercedes models such as W166, R172, W204, W207, and W212. Made by Genuine Mercedes-Benz, these spark plugs are direct replacements with a part number of 0041598103. Manufactured in Germany, these spark plugs are designed for gasoline fuel type and weigh 0.09 lbs each. This limited-time special offer includes a set of spark plugs that are essential for the proper functioning of the ignition system in your vehicle.