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2015 Mercedes-Benz SLK250 — 1.8L 4-cyl, Automatic 7-spd, RWD
This 2015 Mercedes-Benz SLK250 (1.8L 4-cyl, Automatic 7-spd, RWD) takes premium gasoline. PREMIUM
26
MPG combined (23 city / 32 hwy)
$2,950
est. fuel cost / year (EPA, 15k mi)
342 g/mi
tailpipe CO₂
The EPA lists this trim as premium because that's the fuel the manufacturer specified for its mileage test. Many such engines will run on regular with slightly lower power and MPG — but check your owner's manual to see whether premium is required or just recommended.
Other 2015 Mercedes-Benz SLK250 trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 1.8L 4-cyl, 6-spd manual, RWD | PREMIUM | 26 | $2,950 |
EPA fuel type: Premium · class: Two Seaters · retrieved 2026-06-14.