The product is a set of 8 genuine spark plugs designed specifically for Mercedes-Benz vehicles. Made in Japan, these spark plugs are compatible with gasoline engines and are identified by interchange part numbers A 000 159 05 00 and 000 159 05 00, as well as the OE/OEM part number 0001590500. Manufactured by Mercedes-Benz, these spark plugs are reliable and high-quality components essential for proper engine function and performance.