2015 Mercedes-Benz CLS-Class
5 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| CLS400 | 20 | 29 | 24 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl Turbo | Automatic 7-spd |
| CLS400 4matic | 19 | 26 | 22 | Premium Gasoline | 4-Wheel Drive | 3L 6-cyl Turbo | Automatic 7-spd |
| CLS550 | 18 | 26 | 20 | Premium Gasoline | Rear-Wheel Drive | 4.7L 8-cyl Turbo | Automatic 9-spd |
| CLS550 4matic | 17 | 24 | 19 | Premium Gasoline | 4-Wheel Drive | 4.7L 8-cyl Turbo | Automatic 7-spd |
| CLS63 AMG S 4matic | 16 | 22 | 18 | Premium Gasoline | 4-Wheel Drive | 5.5L 8-cyl Turbo | Automatic 7-spd |