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Originally Posted by cousjcc  As a side note: I've always driven V6 coupe sports cars, and have always used fully synthetic oil in them. I've heard some people say that you should wait until your 3rd oil change to switch from regular oil to synthetic, after the engine has had a chance to break in. Can anyone confirm this? My last car I only drove 1500 miles on it before changing the oil out and putting full synthetic in and didn't have any problems in the 3 years I owned it but I want to be doubly sure with my new MB. | On cars that are delivered with 'dino' oil you need to wait to switch to synthetic oil so that the piston rings bed in correctly, otherwise you will get increased oil consumption. On cars that are delivered with synthetic like our SLKs this is not an issue as they are designed to bed-in using synthetic (the exception being a few early 05 SLK 350s that had oil consumption problems due to faulty piston rings).
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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. |