2012 · Large Car · Gas
2012 Mercedes-Benz S-Class MPG & fuel economy
The 2012 Mercedes-Benz S-Class is a large car offered in 5 EPA-rated configurations. The most efficient version returns 19 MPG combined (15 city / 25 highway) on premium gasoline. Across the lineup, combined ratings range from 14 to 19 MPG. That's up 1 MPG from the 2011 model. Among 24 large cars rated for 2012, it ranks 17th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $3,118 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2012 Mercedes-Benz S-Class's fuel average is 8.1 km/L (12.4 L/100 km), or 19 MPG combined: 6.4 km/L in the city and 10.6 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 15 | 6.4 | 15.7 |
| Highway | 25 | 10.6 | 9.4 |
| Combined | 19 | 8.1 | 12.4 |
How it ranks among 2012 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 →5 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 4.7L 8-cyl turbo · 7-speed automatic S550 |
Gas | 15 MPG | 25 MPG | 19 MPG | — | $3,118 |
| RWD · 5.5L 8-cyl turbo · 7-speed automatic S63 AMG |
Gas | 15 MPG | 23 MPG | 18 MPG | — | $3,292 |
| 4WD · 4.7L 8-cyl turbo · 7-speed automatic S550 4matic |
Gas | 15 MPG | 24 MPG | 18 MPG | — | $3,292 |
| RWD · 6.0L 12-cyl turbo · 5-speed automatic S65 AMG |
Gas | 12 MPG | 19 MPG | 15 MPG | — | $3,950 |
| RWD · 5.5L 12-cyl turbo · 5-speed automatic S600 |
Gas | 12 MPG | 19 MPG | 14 MPG | — | $4,232 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 4.7L 8-cyl turbo
- Transmission
- 7-speed automatic
- Drivetrain
- RWD
- Passenger volume
- 109 cu ft
- Cargo volume
- 16 cu ft
- Tailpipe CO₂
- 468 g/mi
2012 Mercedes-Benz S-Class vs. rivals
Compare the 2012 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: 2012 Mercedes-Benz S-Class Hybrid (21 MPG)
Frequently asked questions
What is the gas mileage of the 2012 Mercedes-Benz S-Class?
Up to 19 MPG combined (15 city / 25 highway); ratings range from 14 to 19 MPG depending on configuration.
What fuel does the 2012 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 2012 Mercedes-Benz S-Class?
The 2012 Mercedes-Benz S-Class's fuel average is 8.1 km/L (12.4 L/100 km), or 19 MPG combined: 6.4 km/L in the city and 10.6 km/L on the highway.
How much does it cost to fuel the 2012 Mercedes-Benz S-Class per year?
About $3,118 at 15,000 miles a year with $3.95/gal premium gas, or $20.79 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.