2013 (13) mercedes-Benz E250 2.1 CDI B/E sport seven speed auto may need another engine or major mechanical repair this car has Part service history was driving great then suddenly started to make the noise. Not sure if its timewas driving great then suddenly started to make the noise. Not sure if it's time chain or bottom end or noisy injectors bodywork in fair condition for age and mileage driver seat well worn not been a taxi has air-conditioning half leather trim privacy glass satnav heated seats electric windows adjustable steering column would suit a Mechanic or someone with mechanical knowledge at a bargain