2014 Mercedes-Benz CLS63 fuel economy
The EPA lists 3 versions of the 2014 Mercedes-Benz CLS63. Combined fuel economy ranges from 18 to 19 MPG; the most efficient version is rated 16 city / 25 highway.
At a glance
- Combined
- 18 to 19 MPG depending on version
- City and highway
- 16 and 25 most efficient version
- Yearly fuel cost
- $4,350 EPA estimate, most efficient version
Source: U.S. EPA fueleconomy.gov
Every version the EPA tested
| Version | Engine | Drive | City | Highway | Combined | Yearly fuel cost |
|---|---|---|---|---|---|---|
| CLS63 AMG Automatic 7-spd | 8-cyl 5.5L | Rear-Wheel Drive | 16 | 25 | 19 MPG | $4,350 |
| CLS63 AMG S Automatic 7-spd | 8-cyl 5.5L | Rear-Wheel Drive | 16 | 25 | 19 MPG | $4,350 |
| CLS63 AMG 4matic Automatic 7-spd | 8-cyl 5.5L | 4-Wheel Drive | 16 | 22 | 18 MPG | $4,550 |
At EPA assumptions, the most efficient version costs about $4,350 per year in fuel, versus $4,550 for the least efficient.