Based on the data for the Mercedes-Benz A-Class (2015-19) A180 5DR Hatchback 1.5D DPF SS 109 EU6 AMG Line Premium 7G-DCT Auto, all vehicles in the sample have an engine capacity of 1461 cc. Additionally, every vehicle in the dataset uses diesel as its primary fuel type. This suggests that within this model and specification, there is a consistent engine size and fuel type, indicating a uniform production specification for these vehicles.