2003 · Large Car · Gas
2003 Mercedes-Benz S-Class MPG & fuel economy
The 2003 Mercedes-Benz S-Class is a large car offered in 6 EPA-rated configurations. The most efficient version returns 18 MPG combined (15 city / 22 highway) on premium gasoline. Across the lineup, combined ratings range from 14 to 18 MPG. Efficiency is unchanged from the 2002 model. Among 21 large cars rated for 2003, it ranks 19th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $3,292 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2003 Mercedes-Benz S-Class's fuel average is 7.7 km/L (13.1 L/100 km), or 18 MPG combined: 6.4 km/L in the city and 9.4 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 15 | 6.4 | 15.7 |
| Highway | 22 | 9.4 | 10.7 |
| Combined | 18 | 7.7 | 13.1 |
How it ranks among 2003 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 →6 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 4.3L 8-cyl · 5-speed automatic S430 |
Gas | 15 MPG | 22 MPG | 18 MPG | — | $3,292 |
| 4WD/AWD · 4.3L 8-cyl · 5-speed automatic S430 4matic |
Gas | 15 MPG | 20 MPG | 17 MPG | — | $3,485 |
| RWD · 5.0L 8-cyl · 5-speed automatic S500 |
Gas | 14 MPG | 20 MPG | 16 MPG | — | $3,703 |
| 4WD/AWD · 5.0L 8-cyl · 5-speed automatic S500 4matic |
Gas | 14 MPG | 19 MPG | 16 MPG | — | $3,703 |
| RWD · 5.0L 8-cyl supercharged · 5-speed automatic S55 AMG |
Gas | 13 MPG | 20 MPG | 15 MPG | — | $3,950 |
| RWD · 5.5L 12-cyl turbo · 5-speed automatic S600 |
Gas | 12 MPG | 17 MPG | 14 MPG | — | $4,232 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 4.3L 8-cyl
- Transmission
- 5-speed automatic
- Drivetrain
- RWD
- Passenger volume
- 106 cu ft
- Cargo volume
- 15 cu ft
- Tailpipe CO₂
- 494 g/mi
2003 Mercedes-Benz S-Class vs. rivals
Compare the 2003 S-Class
With any other car from any year, including other S-Class model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2003 Mercedes-Benz S-Class?
Up to 18 MPG combined (15 city / 22 highway); ratings range from 14 to 18 MPG depending on configuration.
What fuel does the 2003 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 2003 Mercedes-Benz S-Class?
The 2003 Mercedes-Benz S-Class's fuel average is 7.7 km/L (13.1 L/100 km), or 18 MPG combined: 6.4 km/L in the city and 9.4 km/L on the highway.
How much does it cost to fuel the 2003 Mercedes-Benz S-Class per year?
About $3,292 at 15,000 miles a year with $3.95/gal premium gas, or $21.94 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.