This Bosch OEM set includes twelve Platinum Super Plus spark plugs, designed as exact factory replacements for a wide range of Mercedes-Benz applications. These premium plugs feature a platinum center electrode and an innovative multi-ground electrode design for exceptional durability and a stable, long-lasting spark. Engineered to meet strict Mercedes-Benz specifications, they ensure reliable ignition for optimal engine performance, smooth idle, fuel efficiency, and smooth acceleration. This bulk set is ideal for multiple tune-ups or servicing several vehicles, providing a convenient supply of high-quality ignition components for compatible V8 and V12 engines.