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I recently acquired a W221 and was planning on doing an oil change. I have access to WIS and the instructions are saying to drain from the oil cooler as well as from the oil pan. I have searched Youtube/forums/etc for an M156 oil change and it seems like everyone is just draining oil from the pan (per usual) and nothing regarding an additional plug. Am I missing something here?
Attached are WIS instructions. I am sorry for the cell phone pictures- I am afraid to connect it to my main computer/internet due to potential activation issues lol
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.
