The Mercedes-Benz CLS 450 gas mileage is 26.5 to 27.5 miles per gallon as specified in our data below, organized by trim, option package, and model year.
For example, the 2020 Mercedes-Benz CLS 450 trim model has a combined gas mileage of 26.5 miles per gallon, while the 2020 Mercedes-Benz CLS 450 has a combined gas mileage of 27.5 miles per gallon.
In the city, the CLS 450 gas mileage is 23 to 24 miles per gallon depending on the trim and model year.
On the highway, the CLS 450 gas mileage is 30 to 31 miles per gallon depending on the trim and model year.
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.
2020 Mercedes-Benz CLS 450 Gas Mileage
Depending on trim level, the 2020 Mercedes-Benz CLS 450 gas mileage is from 26.5 to 27.5 miles per gallon combined.
In the city, the 2020 CLS 450 gas mileage is from 23 to 24 miles per gallon, depending on the trim.
On the highway, the 2020 CLS 450 gas mileage is from 30 to 31 miles per gallon, depending on the trim.
2020 Mercedes-Benz CLS 450 Gas Mileage (Imperial)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| Sedan |
3.0L | Intercooled Turbo | Hybrid | I6 | 9 Spd Auto w/OD | RWD |
24 city mpg | 31 hwy mpg | 27.5 combined mpg |
| Sedan |
3.0L | Intercooled Turbo | Hybrid | I6 | 9 Spd Auto w/OD | AWD |
23 city mpg | 30 hwy mpg | 26.5 combined mpg |
| CLS 450 Coupe |
3.0L | Intercooled Turbo | I6 | 9 Spd Auto w/OD | RWD |
24 city mpg | 31 hwy mpg | 27.5 combined mpg |
| CLS 450 4MATIC Coupe |
3.0L | Intercooled Turbo | I6 | 9 Spd Auto w/OD | AWD |
23 city mpg | 30 hwy mpg | 26.5 combined mpg |
2020 Mercedes-Benz CLS 450 Gas Mileage (Metric)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| Sedan |
3.0L | Intercooled Turbo | Hybrid | I6 | 9 Spd Auto w/OD | RWD |
10.0 city L/100 km | 8.0 hwy L/100 km | 9.0 combined L/100 km |
| Sedan |
3.0L | Intercooled Turbo | Hybrid | I6 | 9 Spd Auto w/OD | AWD |
10.0 city L/100 km | 8.0 hwy L/100 km | 9.0 combined L/100 km |
| CLS 450 Coupe |
3.0L | Intercooled Turbo | I6 | 9 Spd Auto w/OD | RWD |
10.0 city L/100 km | 8.0 hwy L/100 km | 9.0 combined L/100 km |
| CLS 450 4MATIC Coupe |
3.0L | Intercooled Turbo | I6 | 9 Spd Auto w/OD | AWD |
10.0 city L/100 km | 8.0 hwy L/100 km | 9.0 combined L/100 km |
2019 Mercedes-Benz CLS 450 Gas Mileage
Depending on trim level, the 2019 Mercedes-Benz CLS 450 gas mileage is from 26.5 to 27.5 miles per gallon combined.
In the city, the 2019 CLS 450 gas mileage is from 23 to 24 miles per gallon, depending on the trim.
On the highway, the 2019 CLS 450 gas mileage is from 30 to 31 miles per gallon, depending on the trim.
2019 Mercedes-Benz CLS 450 Gas Mileage (Imperial)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| Sedan |
3.0L | Intercooled Turbo | Hybrid | I6 | 9 Spd Auto w/OD | RWD |
24 city mpg | 31 hwy mpg | 27.5 combined mpg |
| Sedan |
3.0L | Intercooled Turbo | Hybrid | I6 | 9 Spd Auto w/OD | AWD |
23 city mpg | 30 hwy mpg | 26.5 combined mpg |
| CLS 450 Coupe |
3.0L | Intercooled Turbo | I6 | 9 Spd Auto w/OD | RWD |
24 city mpg | 31 hwy mpg | 27.5 combined mpg |
| CLS 450 4MATIC Coupe |
3.0L | Intercooled Turbo | I6 | 9 Spd Auto w/OD | AWD |
23 city mpg | 30 hwy mpg | 26.5 combined mpg |
2019 Mercedes-Benz CLS 450 Gas Mileage (Metric)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| Sedan |
3.0L | Intercooled Turbo | Hybrid | I6 | 9 Spd Auto w/OD | RWD |
10.0 city L/100 km | 8.0 hwy L/100 km | 9.0 combined L/100 km |
| Sedan |
3.0L | Intercooled Turbo | Hybrid | I6 | 9 Spd Auto w/OD | AWD |
10.0 city L/100 km | 8.0 hwy L/100 km | 9.0 combined L/100 km |
| CLS 450 Coupe |
3.0L | Intercooled Turbo | I6 | 9 Spd Auto w/OD | RWD |
10.0 city L/100 km | 8.0 hwy L/100 km | 9.0 combined L/100 km |
| CLS 450 4MATIC Coupe |
3.0L | Intercooled Turbo | I6 | 9 Spd Auto w/OD | AWD |
10.0 city L/100 km | 8.0 hwy L/100 km | 9.0 combined L/100 km |
Mercedes-Benz CLS 450 Gas Mileage Data Brought To You By AutoPadre
Mercedes-Benz CLS 450 Gas Mileage Comparisons By Year