2020 · Large Car · Gas
2020 Mercedes-Benz S-Class MPG & fuel economy
The 2020 Mercedes-Benz S-Class is a large car offered in 11 EPA-rated configurations. The most efficient version returns 22 MPG combined (19 city / 28 highway) on premium gasoline. Across the lineup, combined ratings range from 16 to 22 MPG. Efficiency is unchanged from the 2019 model. Among 32 large cars rated for 2020, it ranks 24th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,693 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2020 Mercedes-Benz S-Class's fuel average is 9.4 km/L (10.7 L/100 km), or 22 MPG combined: 8.1 km/L in the city and 11.9 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 19 | 8.1 | 12.4 |
| Highway | 28 | 11.9 | 8.4 |
| Combined | 22 | 9.4 | 10.7 |
How it ranks among 2020 Large Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
S-Class MPG across model years
Full history →11 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 3.0L 6-cyl turbo · 9-speed automatic S450 |
Gas | 19 MPG | 28 MPG | 22 MPG | — | $2,693 |
| 4WD · 3.0L 6-cyl turbo · 9-speed automatic S450 4matic |
Gas | 18 MPG | 28 MPG | 22 MPG | — | $2,693 |
| RWD · 4.0L 8-cyl turbo · 9-speed automatic S560 |
Gas | 17 MPG | 27 MPG | 21 MPG | — | $2,821 |
| 4WD · 4.0L 8-cyl turbo · 9-speed automatic S560 4matic |
Gas | 17 MPG | 27 MPG | 21 MPG | — | $2,821 |
| RWD · 4.0L 8-cyl turbo · 9-speed automatic S560 Convertible |
Gas | 17 MPG | 26 MPG | 20 MPG | — | $2,962 |
| 4WD · 4.0L 8-cyl turbo · 9-speed automatic S560 4matic Coupe |
Gas | 17 MPG | 26 MPG | 20 MPG | — | $2,962 |
| 4WD · 4.0L 8-cyl turbo · 9-speed automatic AMG S63 4matic Plus Coupe |
Gas | 17 MPG | 27 MPG | 20 MPG | — | $2,962 |
| 4WD · 4.0L 8-cyl turbo · 9-speed automatic S560 4matic Maybach |
Gas | 16 MPG | 25 MPG | 19 MPG | — | $3,118 |
| 4WD · 4.0L 8-cyl turbo · 9-speed automatic AMG S63 4matic Plus Convertible |
Gas | 15 MPG | 24 MPG | 18 MPG | — | $3,292 |
| RWD · 6.0L 12-cyl turbo · 7-speed automatic Maybach S650 |
Gas | 13 MPG | 21 MPG | 16 MPG | — | $3,703 |
| RWD · 6.0L 12-cyl turbo · 7-speed automatic AMG S65 |
Gas | 13 MPG | 22 MPG | 16 MPG | — | $3,703 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 3.0L 6-cyl turbo
- Transmission
- 9-speed automatic
- Drivetrain
- RWD
- Passenger volume
- 112 cu ft
- Cargo volume
- 12 cu ft
- Tailpipe CO₂
- 403 g/mi
- EPA fuel economy score
- 4/10
- EPA greenhouse gas score
- 4/10
2020 Mercedes-Benz S-Class vs. rivals
Compare the 2020 S-Class
With any other car from any year, including other S-Class model years. Type a year to jump, e.g. "2015 Accord".
Same year, other powertrains: 2020 Mercedes-Benz S-Class Plug-in Hybrid (64 MPGe + 23 MPG)
Frequently asked questions
What is the gas mileage of the 2020 Mercedes-Benz S-Class?
Up to 22 MPG combined (19 city / 28 highway); ratings range from 16 to 22 MPG depending on configuration.
What fuel does the 2020 Mercedes-Benz S-Class use?
Premium gasoline (premium is required or recommended by the manufacturer).
What is the fuel average in km/L for the 2020 Mercedes-Benz S-Class?
The 2020 Mercedes-Benz S-Class's fuel average is 9.4 km/L (10.7 L/100 km), or 22 MPG combined: 8.1 km/L in the city and 11.9 km/L on the highway.
How much does it cost to fuel the 2020 Mercedes-Benz S-Class per year?
About $2,693 at 15,000 miles a year with $3.95/gal premium gas, or $17.95 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.