I just ordered the green filters for my SLK 280. I track my gas mileage using a spreadsheet since I first bought the car, so I should be able to tell if the new filters give better gas mileage or not. I'll post my results after a few months.
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2009 SLK 350, Arctic White, Gullwing Red, 7G Automatic, Premium PKG I, Lighting, Heating packages, Auto Climate Control, smartTop roof module v3.22, Clear side-marker lenses. |