2014 · Two-Seater · Gas
2014 Mercedes-Benz SLK-Class MPG & fuel economy
The 2014 Mercedes-Benz SLK-Class is a two-seater offered in 4 EPA-rated configurations. The most efficient version returns 26 MPG combined (23 city / 32 highway) on premium gasoline. Across the lineup, combined ratings range from 22 to 26 MPG. Efficiency is unchanged from the 2013 model. Among 33 two-seaters rated for 2014, it ranks 7th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,279 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2014 Mercedes-Benz SLK-Class's fuel average is 11.1 km/L (9.0 L/100 km), or 26 MPG combined: 9.8 km/L in the city and 13.6 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 23 | 9.8 | 10.2 |
| Highway | 32 | 13.6 | 7.4 |
| Combined | 26 | 11.1 | 9.0 |
How it ranks among 2014 Two-Seaters
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
SLK-Class MPG across model years
Full history →4 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 1.8L 4-cyl turbo · 7-speed automatic SLK250 |
Gas | 23 MPG | 32 MPG | 26 MPG | — | $2,279 |
| RWD · 1.8L 4-cyl turbo · 6-speed manual SLK250 |
Gas | 22 MPG | 32 MPG | 26 MPG | — | $2,279 |
| RWD · 3.5L 6-cyl · 7-speed automatic SLK350 |
Gas | 21 MPG | 28 MPG | 24 MPG | — | $2,469 |
| RWD · 5.5L 8-cyl · 7-speed automatic SLK55 AMG |
Gas | 19 MPG | 28 MPG | 22 MPG | — | $2,693 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 1.8L 4-cyl turbo
- Transmission
- 7-speed automatic
- Drivetrain
- RWD
- Tailpipe CO₂
- 342 g/mi
- EPA fuel economy score
- 7/10
- EPA greenhouse gas score
- 7/10
2014 Mercedes-Benz SLK-Class vs. rivals
Compare the 2014 SLK-Class
With any other car from any year, including other SLK-Class model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2014 Mercedes-Benz SLK-Class?
Up to 26 MPG combined (23 city / 32 highway); ratings range from 22 to 26 MPG depending on configuration.
What fuel does the 2014 Mercedes-Benz SLK-Class use?
Premium gasoline (premium is required or recommended by the manufacturer).
What is the fuel average in km/L for the 2014 Mercedes-Benz SLK-Class?
The 2014 Mercedes-Benz SLK-Class's fuel average is 11.1 km/L (9.0 L/100 km), or 26 MPG combined: 9.8 km/L in the city and 13.6 km/L on the highway.
How much does it cost to fuel the 2014 Mercedes-Benz SLK-Class per year?
About $2,279 at 15,000 miles a year with $3.95/gal premium gas, or $15.19 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.