2025 · Subcompact Car · Hybrid
2025 Mercedes-Benz SL-Class Hybrid MPG & fuel economy
The 2025 Mercedes-Benz SL-Class Hybrid is a subcompact car with one EPA-rated configuration. The most efficient version returns 22 MPG combined (19 city / 27 highway) on premium gasoline. Efficiency is unchanged from the 2024 model. Among 30 subcompact cars rated for 2025, it ranks 20th 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 2025 Mercedes-Benz SL-Class Hybrid'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 11.5 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 19 | 8.1 | 12.4 |
| Highway | 27 | 11.5 | 8.7 |
| Combined | 22 | 9.4 | 10.7 |
How it ranks among 2025 Subcompact Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
SL-Class Hybrid MPG across model years
Full history →1 EPA-rated configuration
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 2.0L 4-cyl turbo · 9-speed automatic AMG SL43 |
Hybrid | 19 MPG | 27 MPG | 22 MPG | — | $2,693 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 2.0L 4-cyl turbo
- Transmission
- 9-speed automatic
- Drivetrain
- RWD
- Passenger volume
- 76 cu ft
- Cargo volume
- 6 cu ft
- Tailpipe CO₂
- 400 g/mi
- EPA fuel economy score
- 5/10
- EPA greenhouse gas score
- 5/10
2025 Mercedes-Benz SL-Class Hybrid vs. rivals
Compare the 2025 SL-Class Hybrid
With any other car from any year, including other SL-Class Hybrid model years. Type a year to jump, e.g. "2015 Accord".
Same year, other powertrains: 2025 Mercedes-Benz SL-Class (16 MPG), 2025 Mercedes-Benz SL-Class Plug-in Hybrid (29 MPGe + 18 MPG)
Frequently asked questions
What is the gas mileage of the 2025 Mercedes-Benz SL-Class Hybrid?
Up to 22 MPG combined (19 city / 27 highway).
What fuel does the 2025 Mercedes-Benz SL-Class Hybrid use?
Premium gasoline (premium is required or recommended by the manufacturer).
What is the fuel average in km/L for the 2025 Mercedes-Benz SL-Class Hybrid?
The 2025 Mercedes-Benz SL-Class Hybrid'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 11.5 km/L on the highway.
How much does it cost to fuel the 2025 Mercedes-Benz SL-Class Hybrid 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.