1999 · Large Car · Gas
1999 Mercedes-Benz S-Class MPG & fuel economy
The 1999 Mercedes-Benz S-Class is a large car offered in 4 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 13 to 18 MPG. Efficiency is unchanged from the 1998 model. Among 19 large cars rated for 1999, it ranks 14th 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 1999 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 1999 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 →4 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 3.2L 6-cyl · 5-speed automatic S320 |
Gas | 15 MPG | 22 MPG | 18 MPG | — | $3,292 |
| RWD · 4.2L 8-cyl · 5-speed automatic S420 |
Gas | 14 MPG | 20 MPG | 16 MPG | — | $3,703 |
| RWD · 5.0L 8-cyl · 5-speed automatic S500 |
Gas | 13 MPG | 20 MPG | 16 MPG | — | $3,703 |
| RWD · 6.0L 12-cyl · 5-speed automatic S600 |
Gas | 11 MPG | 17 MPG | 13 MPG | — | $4,558 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 3.2L 6-cyl
- Transmission
- 5-speed automatic
- Drivetrain
- RWD
- Passenger volume
- 112 cu ft
- Cargo volume
- 16 cu ft
- Tailpipe CO₂
- 494 g/mi
1999 Mercedes-Benz S-Class vs. rivals
Compare the 1999 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 1999 Mercedes-Benz S-Class?
Up to 18 MPG combined (15 city / 22 highway); ratings range from 13 to 18 MPG depending on configuration.
What fuel does the 1999 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 1999 Mercedes-Benz S-Class?
The 1999 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 1999 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.