Question: are mercedes good on gas?
Answer: Fuel economy. If you're after the best fuel economy from your A-Class then the A 180 d is the one to go for. Capable of up to a combined 62.8mpg, it outdoes both its petrol equivalents. ... The Mercedes-AMG A 35 has a claimed 35.8mpg, which isn't bad considering the power available and all-wheel drive system.