Based on the data for the Mercedes-Benz GLA (2017-20) GLA200 5DR SUV 1.6 SS 156 EU6 SPORT 6SPD, all recorded vehicles have an engine capacity of 1.595 liters, representing 100% of the sample. Additionally, the primary fuel type for all these vehicles is petrol. This indicates that the model consistently features a 1.6-liter petrol engine across the entire sample, without variation in engine size or fuel type.