The Mercedes Air Hose Connector Genuine Mercedes 1199900078 is an original equipment connector designed specifically for Mercedes-Benz 500SL models from 1990 to 1992, equipped with the 5.0L V8 engine (engine code 119.960), convertible body style, and chassis 129.066. Manufactured by Genuine Mercedes, this connector (also known as Connector Elbow) is engineered to meet factory standards and ensures reliable integration with the intake manifold. Supplied under manufacturer part number A1199900078, this product is recommended for those seeking authentic, dealer-quality air hose connectors for precise fit and performance. Four connectors are required per vehicle according to verified fitment data.