Mercedes-Benz Q&A

Ask Your Question

2010 Mercedes-Benz C300 4MATIC Question: blue smoke when starting dealer says valve stem seals

 

Question

redmax, Glen Cove, NY, January 29, 2012, 09:36
 Rookie

dealer says valve stem seals

1 Answer
Flag This
  • Answer #1

    JP Motors LLC (28 Answers) , Woodbridge, CT - (203) 404-6025
    jpincharge February 12, 2012, 05:30
    Profile_thumbnail
     Technician

    Valve stem seals will cause this. Vehicle should still be under warranty, unless you have high mileage.

    Reply
    Flag This