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2009 Mercedes-Benz SL600 — 5.5L 12-cyl, Automatic 5-spd, RWD

This 2009 Mercedes-Benz SL600 (5.5L 12-cyl, Automatic 5-spd, RWD) takes premium gasoline. PREMIUM

14

MPG combined (11 city / 18 hwy)

$5,500

est. fuel cost / year (EPA, 15k 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.

EPA fuel type: Premium · class: Two Seaters · retrieved 2026-06-14.