2012 CLS350 4.7L. 2012-2014 CLS350 3.5L. 2010-2011 C250 2.5L. 2012-2015 C250 1.8L. 2012-2013, 2015-2016 E300 3.5L. Securely fit the expansion tank into place, ensuring all connections are tight. Disconnect any relevant vehicle components before beginning installation.
