Our replacement parts ENGINE MANAGEMENT for cars MERCEDES-BENZ CLASE R (W251, V251) 2005/08 - 2017/10 R 350 CDI 4-matic (251.023, 251.123), 2010/08 - 2014/12, 265 CV, 2987 cc, OM 642.872, with the same warranty as the new and original replacement parts