The Mercedes C300 ML350 CLK350 E350 S550 Ignition Coil A 001502780 is an Aftermarket Product..it is a high-quality ignition coil designed for specific Mercedes models such as C-Class, CLK-Class, E-Class, S-Class, and ML-Class vehicles. The product comes with a 90-day warranty and has an OEM surface finish. Additionally, the product comes with multiple interchange part numbers for compatibility and is made with durable materials to ensure reliable performance. It is important to note that this product may contain chemicals known to the State of California to cause cancer and birth defects.