Although the specific fuel consumption is not clearly given in the information, based on the characteristics of models in the same class and the 1.3T engine, its average fuel consumption is approximately 7 - 9 liters per 100 kilometers, and the actual fuel consumption will be affected by driving habits, road conditions and other factors. Regarding maintenance costs, since there is no maintenance record for this car, users need to pay attention to subsequent maintenance. The maintenance cost of the Mercedes - Benz brand is relatively high, but specifically for this car, regular maintenance items may include oil and oil filter replacement, and each maintenance cost is approximately 1000 - 2000 yuan. Moreover, the car dealer offers a 1940 - yuan preparation and maintenance service, which can reduce the initial maintenance burden to a certain extent.