Upgrade the performance of your Mercedes-Benz C Class, E vClass, ML, and SLK 320/350 with this 12-piece black spark plug wire set. The wires are made from high-quality silicone material and have a 10.2mm outer diameter for excellent insulation. The set includes both female and male connectors and has a matte finish. It is a perfect fit for your vehicle and will not disappoint. It is manufactured in China and has OE/OEM and interchange part number 0356912950. The wire set is not a vintage part and is not considered a performance part. Use this ignition wire set to improve your vehicle's performance. Exact item set is shown. Male to male connectors. New open box complete 10.2mm spark plug wire set with partial original packaging. Made in China. No returns on installed items or partial sets. This item is a new, opened customer return. It has been inspected and passed quality control to insure the condition described and contents are accurate. Please review actual photos as stock photos are not the actual item, our photos are. You will ONLY receive exactly what is shown in photos, regardless of what might have originally been included. Please review our business policies in our store for information regarding returns, shipping and warranties.