Genuine OEM Mercedes-Benz Ignition Spark Plug, part number A0001590500. This vital component ignites the air-fuel mixture within the engine cylinders, initiating the combustion process. It is designed for precise spark delivery and consistent performance. Manufactured with high-quality materials to withstand extreme temperatures and pressures within the combustion chamber. Genuine OEM spark plugs ensure correct heat range and electrode gap for optimal engine operation and longevity.