Mercedes-Benz SL400 MPG and Fuel Economy
Mercedes-Benz have been manufacturing models of SL400 for 2 years, with the latest vehicle in 2016 having a combined MPG of 23.
The estimated fuel cost for the 2016 Mercedes-Benz SL400 is $3,200 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 $4,500 more on fuel driving a 2016 Mercedes-Benz SL400.
🛢 The Mercedes-Benz SL400 will consume roughly 13 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
💨 For every mile driven, the Mercedes-Benz SL400 will emit 392 grams of CO2, which is about 5,880,000 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 280 trees would be needed to offset emissions from the Mercedes-Benz SL400.
The table below is a complete list of the 2 Mercedes-Benz SL400 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.
| Vehicle | Combined MPG | Fuel Cost |
|---|---|---|
| 2016 Mercedes-Benz SL400 | 23 | $3,200 |
| 2015 Mercedes-Benz SL400 | 23 | $3,200 |
Link To or Reference This Page
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"Mercedes-Benz SL400 MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/mercedes-benz/sl400.
"Mercedes-Benz SL400 MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/mercedes-benz/sl400. Accessed January 3, 2026.
Mercedes-Benz SL400 MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/mercedes-benz/sl400.