How do I use Sea Foam in my 2009 Mercedes E350? [SOLVED] 0 Answers How do I use Sea Foam in my 2009 Mercedes E350? Asked by Norah L. In - OH Add AnswerCancel I have this question too. Submit Ask a Question Hide Suggestions Most answers will appear on this page within 24 hours. Be sure to state your question/s clearly. It always helps to include basic details about your engine like make and model! Submit