2020 Mercedes-Benz SL-Class Specs, MPG & Trims
EPA fuel-economy data and specifications for the 2020 Mercedes-Benz SL-Class (20–22 MPG combined) across 2 listed configurations.
Overview
- Body class
- Two Seaters
- Drive
- Rear-Wheel Drive
- Engine
- 8-cyl, 4.7 L; 6-cyl, 3.0 L
- Fuel type
- Premium Gasoline
- Combined MPG
- 20–22 MPG
- Annual fuel cost
- $3,750–$4,100
- Configurations
- 2
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 |
|---|---|---|---|---|---|
| 6-cyl 3.0 L · Premium Gasoline · Rear-Wheel Drive | 20 | 28 | 22 | $3,750 | 395 g/mi |
| 8-cyl 4.7 L · Premium Gasoline · Rear-Wheel Drive | 17 | 25 | 20 | $4,100 | 435 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 |
|---|---|---|---|---|---|---|---|---|---|
| SL450 | Rear-Wheel Drive | Automatic 9-spd | 6 | 3.0 | Premium Gasoline | 20 | 28 | 22 | $3,750 |
| SL550 | Rear-Wheel Drive | Automatic 9-spd | 8 | 4.7 | Premium Gasoline | 17 | 25 | 20 | $4,100 |
Frequently asked questions
What is the combined MPG of the 2020 Mercedes-Benz SL-Class?
According to EPA data, the 2020 Mercedes-Benz SL-Class is rated at 20–22 MPG combined for its conventional-fuel configurations.
How many cylinders does the 2020 Mercedes-Benz SL-Class have?
The EPA data lists 6 and 8 cylinders across its configurations.
What fuel type does the 2020 Mercedes-Benz SL-Class use?
It uses Premium Gasoline.
What is the annual fuel cost of the 2020 Mercedes-Benz SL-Class?
The EPA estimates annual fuel costs ranging from $3,750 to $4,100.