Fuel economy of the 1989 Mercedes-Benz 190E 2.6. 1984 to present Buyer's Guide to Fuel Efficient Cars and Trucks. Estimates of gas mileage, greenhouse gas emissions, safety ratings, and air pollution ratings for new and used cars and trucks. Fuel Economy of 1991 Mercedes-Benz Vehicles. EPA MPG 1991 Mercedes-Benz 190E 2.3 4 cyl, 2.3 L, Manual 5-spd Premium Gasoline: Not Available. Fuel Economy of the 1992 Mercedes-Benz 190E 2.6. Compare the gas mileage and greenhouse gas emissions of the 1992 Mercedes-Benz 190E 2.6 side-by-side with other cars and trucks Apply Carb cleaner to a clean rag and wipe and wipe. Depress and clean all around especially near the top, clearance is only .002 so any dirt effects starting and idle. Break loose the center fuel line on top of the fuel distributor, throw a rag over it and watch your eyes as it will spray you. Detailed specifications and fuel economy information on the MERCEDES-BENZ 190E 2.6. search. Home; 1992 MERCEDES-BENZ 190E 2.6: City: 16 mpg (14.7 litres/100km) Hwy: A. A.Cabral Discussion starter. 942 posts · Joined 2013. #1 · Oct 1, 2017. Hi everyone, I've been enjoying my 190E aside from the fact that it burns oil. Now that I am using the car to commute into Philadelphia everyday, I have noticed an increase in consumption. Since the last oil change, I am burning approximately 1 quart of oil every 816 Its great for muffling sound of the engine but it also murders fuel economy and top end power. The most efficient CAI is a large, round forward facing intake ahead of the radiator. Call it ram air or whatever you want. It works. Thats why mercedes used it on the 16 valve cars where noise wasn't an issue. My 1991 190E 2.6 when I drive, gives 350-360 km on 45-47 L fill up plus speeding ticket. It's 18 mpg plus 50-60 bucks after court reduce to no demerit points. At the same time my wife is getting easy some 100-120 km more, which is good 5-6 mpg on top, considering that she doesn't believe in high octane mixed with ethanol up to 10%. mq24ko.