Our replacement parts ENGINE MANAGEMENT for cars MERCEDES-BENZ CLASE GL (X166) 2012/07 - 2015/12 GL 350 CDI / BlueTec 4-matic (166.823, 166.824), 2012/07 - 2015/10, 258 CV, 2987 cc, OM 642.826, with the same warranty as the new and original replacement parts