2015 Mercedes-Benz GLK-Class
5 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| GLK250 Bluetec 4matic | 24 | 32 | 27 | Diesel | 4-Wheel Drive | 2.1L 4-cyl Turbo | Automatic 7-spd |
| GLK350 | 19 | 26 | 22 | Premium Gasoline | Rear-Wheel Drive | 3.5L 6-cyl | Automatic 7-spd |
| GLK350 | 19 | 25 | 21 | Premium Gasoline | Rear-Wheel Drive | 3.5L 6-cyl | Automatic 7-spd |
| GLK350 4matic | 18 | 24 | 20 | Premium Gasoline | 4-Wheel Drive | 3.5L 6-cyl | Automatic 7-spd |
| GLK350 4matic | 18 | 25 | 21 | Premium Gasoline | 4-Wheel Drive | 3.5L 6-cyl | Automatic 7-spd |