The data indicates that all Mercedes-Benz C Class (2014-19) C200 4DR Saloon models with the specified description are equipped with a 1.6-litre diesel engine. This engine capacity accounts for 100% of the sample, and the primary fuel type across all vehicles is diesel as well, making it a uniform profile for this model. This consistency suggests that, for this particular variant, buyers can expect a standard engine size and fuel type.