2025 Mercedes-Benz SL-Class Specs, MPG & Trims
EPA fuel-economy data and specifications for the 2025 Mercedes-Benz SL-Class (16–22 MPG combined) across 4 listed configurations.
Overview
- Body class
- Minicompact Cars
- Drive
- Rear-Wheel Drive, All-Wheel Drive
- Engine
- 4-cyl, 2.0 L; 8-cyl, 4.0 L
- Fuel type
- Premium Gasoline
- Combined MPG
- 16–22 MPG
- Annual fuel cost
- $3,750–$5,150
- Configurations
- 4
MPG & fuel economy
City, highway and combined values below are EPA estimates. Where a powertrain has several configurations, the table shows the lowest–highest reported value. Electric configurations use MPGe.
| Powertrain | City | Highway | Combined | Annual fuel cost | CO2 | Range |
|---|---|---|---|---|---|---|
| 8-cyl 4.0 L · Premium Gasoline · All-Wheel Drive | 13–16 | 21–22 | 16–18 | $4,550–$5,150 | 379–558 g/mi | 350 mi |
| 4-cyl 2.0 L · Premium Gasoline · Rear-Wheel Drive | 19 | 27 | 22 | $3,750 | 400 g/mi | — |
Configurations & engine comparison
Each row is one configuration/engine combination reported by the EPA for this model year. Missing EPA values are shown as —.
| Configuration / engine | Drive | Transmission | Cyl. | Displ. (L) | Fuel type | City | Hwy | Comb. | Annual cost |
|---|---|---|---|---|---|---|---|---|---|
| AMG SL43 | Rear-Wheel Drive | Automatic 9-spd | 4 | 2.0 | Premium Gasoline | 19 | 27 | 22 | $3,750 |
| AMG SL55 4matic Plus | All-Wheel Drive | Automatic 9-spd | 8 | 4.0 | Premium Gasoline | 13 | 21 | 16 | $5,150 |
| AMG SL63 4matic Plus | All-Wheel Drive | Automatic 9-spd | 8 | 4.0 | Premium Gasoline | 13 | 21 | 16 | $5,150 |
| AMG SL63 S E Performance | All-Wheel Drive | Automatic 9-spd | 8 | 4.0 | Premium Gasoline | 16 | 22 | 18 | $4,550 |
Frequently asked questions
What is the combined MPG of the 2025 Mercedes-Benz SL-Class?
According to EPA data, the 2025 Mercedes-Benz SL-Class is rated at 16–22 MPG combined for its conventional-fuel configurations.
How many cylinders does the 2025 Mercedes-Benz SL-Class have?
The EPA data lists 4 and 8 cylinders across its configurations.
What fuel type does the 2025 Mercedes-Benz SL-Class use?
It uses Premium Gasoline.
What is the annual fuel cost of the 2025 Mercedes-Benz SL-Class?
The EPA estimates annual fuel costs ranging from $3,750 to $5,150.