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The Mercedes-Benz SL 450 gas mileage is 24 miles per gallon combined (city and highway).
In the city, the SL 450 gas mileage is 20 miles per gallon.
On the highway, the SL 450 gas mileage is 28 miles per gallon.
Note: The gas mileage shown for hybrid vehicles is the miles per gallon equivalent.
Check out the Gas Mileage specifications for other makes and models.
The 2020 Mercedes-Benz SL 450 gas mileage is 24 miles per gallon combined.
In the city, the 2020 SL 450 gas mileage is 20 miles per gallon.
On the highway, the 2020 SL 450 gas mileage is 28 miles per gallon.
| Trim | Engine | Transmission | Drivetrain | City | Highway | Combined Mileage |
|---|---|---|
| SL 450 Roadster | 3.0L | Twin Turbo | V6 | 9 Spd Auto w/OD | RWD | 20 city mpg | 28 hwy mpg | 24 combined mpg |
| Base Roadster | 3.0L | Twin Turbo | V6 | 9 Spd Auto w/OD | RWD | 20 city mpg | 28 hwy mpg | 24 combined mpg |
| Trim | Engine | Transmission | Drivetrain | City | Highway | Combined Mileage |
|---|---|---|
| SL 450 Roadster | 3.0L | Twin Turbo | V6 | 9 Spd Auto w/OD | RWD | 12.0 city L/100 km | 8.0 hwy L/100 km | 10.0 combined L/100 km |
| Base Roadster | 3.0L | Twin Turbo | V6 | 9 Spd Auto w/OD | RWD | 12.0 city L/100 km | 8.0 hwy L/100 km | 10.0 combined L/100 km |
The 2019 Mercedes-Benz SL 450 gas mileage is 24 miles per gallon combined.
In the city, the 2019 SL 450 gas mileage is 20 miles per gallon.
On the highway, the 2019 SL 450 gas mileage is 28 miles per gallon.
| Trim | Engine | Transmission | Drivetrain | City | Highway | Combined Mileage |
|---|---|---|
| SL 450 Roadster | 3.0L | Twin Turbo | V6 | 9 Spd Auto w/OD | RWD | 20 city mpg | 28 hwy mpg | 24 combined mpg |
| Base Roadster | 3.0L | Twin Turbo | V6 | 9 Spd Auto w/OD | RWD | 20 city mpg | 28 hwy mpg | 24 combined mpg |
| Trim | Engine | Transmission | Drivetrain | City | Highway | Combined Mileage |
|---|---|---|
| SL 450 Roadster | 3.0L | Twin Turbo | V6 | 9 Spd Auto w/OD | RWD | 12.0 city L/100 km | 8.0 hwy L/100 km | 10.0 combined L/100 km |
| Base Roadster | 3.0L | Twin Turbo | V6 | 9 Spd Auto w/OD | RWD | 12.0 city L/100 km | 8.0 hwy L/100 km | 10.0 combined L/100 km |
The 2018 Mercedes-Benz SL 450 gas mileage is 24 miles per gallon combined.
In the city, the 2018 SL 450 gas mileage is 20 miles per gallon.
On the highway, the 2018 SL 450 gas mileage is 28 miles per gallon.
| Trim | Engine | Transmission | Drivetrain | City | Highway | Combined Mileage |
|---|---|---|
| Base Roadster | 3.0L | Twin Turbo | V6 | 9 Spd Auto w/OD | RWD | 20 city mpg | 28 hwy mpg | 24 combined mpg |
| Trim | Engine | Transmission | Drivetrain | City | Highway | Combined Mileage |
|---|---|---|
| Base Roadster | 3.0L | Twin Turbo | V6 | 9 Spd Auto w/OD | RWD | 12.0 city L/100 km | 8.0 hwy L/100 km | 10.0 combined L/100 km |
The 2017 Mercedes-Benz SL 450 gas mileage is 24 miles per gallon combined.
In the city, the 2017 SL 450 gas mileage is 20 miles per gallon.
On the highway, the 2017 SL 450 gas mileage is 28 miles per gallon.
| Trim | Engine | Transmission | Drivetrain | City | Highway | Combined Mileage |
|---|---|---|
| Base Roadster | 3.0L | Twin Turbo | V6 | 9 Spd Auto w/OD | RWD | 20 city mpg | 28 hwy mpg | 24 combined mpg |
| Trim | Engine | Transmission | Drivetrain | City | Highway | Combined Mileage |
|---|---|---|
| Base Roadster | 3.0L | Twin Turbo | V6 | 9 Spd Auto w/OD | RWD | 12.0 city L/100 km | 8.0 hwy L/100 km | 10.0 combined L/100 km |

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