2008-2012 C300 3.0L. 2010-2011, 2013-2014 C300 3.5L. 2008-2009 C230 2.5L. 2008-2009 C280 3.0L. Refill the cooling system with the appropriate coolant mixture and check for leaks after installation. Position the new expansion tank and secure it in place as per the instructions.
