Mercedes-Benz E420 MPG and Fuel Economy

Mercedes-Benz have been manufacturing models of E420 for 3 years, with the latest vehicle in 1997 having a combined MPG of 18.

The estimated fuel cost for the 1997 Mercedes-Benz E420 is $4,100 per year.

Government regulators have estimated that value based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.

💵 Compared to an average vehicle over 5 years, you will spend $9,000 more on fuel driving a 1997 Mercedes-Benz E420.

🛢 The Mercedes-Benz E420 will consume roughly 17 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

💨 For every mile driven, the Mercedes-Benz E420 will emit -1 grams of CO2, which is about -15,000 grams of CO2 per year.

🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 1 tree would be needed to offset emissions from the Mercedes-Benz E420.

The table below is a complete list of the 3 Mercedes-Benz E420 fuel efficiency specifications we have data for.

Click any vehicle link to see a more detailed breakdown of the car, miles per gallon, emissions, and more.

VehicleCombined MPGFuel Cost
1997 Mercedes-Benz E42018$4,100
1995 Mercedes-Benz E42018$4,100
1994 Mercedes-Benz E42018$4,100

Link To or Reference This Page

If you use this page in your research, please reference MPG Buddy as the source.

  • "Mercedes-Benz E420 MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/mercedes-benz/e420.

  • "Mercedes-Benz E420 MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/mercedes-benz/e420. Accessed January 3, 2026.

  • Mercedes-Benz E420 MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/mercedes-benz/e420.