Coolant Hose Replacement - C Class - W204 - Mercedes-Benz



Coolant Hose Replacement - C Class - W204 - Mercedes-Benz


Coolant Hose Replacement Time: 2 hours Tab: $60 to $200 Talent: 2 Tools: Flathead screwdriver, pliers, floor jack, jack stands, wheel chocks,safety glasses Applicable Models: Mercedes-Benz C350 (2008-15) Mercedes-Benz GLK350 (2010-15) Parts Required: New hoses Hot Tip: Work on a cool car Performance Gain: Proper operating temperature Complementary Modification: Flush the radiator There are not a lot of radiator hoses on the Mercedes-Benz W204. In addition, there's a fair amount of room to work on them, which makes inspecting and replacing them an easy DIY job. I recommend inspecting your rubber hoses every two years or so. As they age, they have a tendency to get hard and brittle. When you gently squeeze a hose, it should be relatively soft and easy to indent with your hand. It shouldn't feel like it is brittle or crunching when you squeeze it. It should spring back to its original shape pretty quickly after being compressed. If it feels very hard, then it might be time to replace it. If there is a bulge in the hose, or any type of crack in the surface of the hose, then you should replace it as well. Also check for leaks around where the hoses create their connections--that is a sign that the hose should be replaced. To replace the hoses you will need to remove the engine covers as well as drain the coolant. Please see our article on engine cover removal and radiator flush and drain for additional assistance. Radiator hoses get old, brittle, and leak. Keep everything running cool by changing them out. Applies to: C350 (2007-14), SLK350 (2004-14), CLS350 (2004-14), CLK350 (2005-14), E350 (2005-14), S350 (2005-14), SL350 (2005-14), R350 (2006-14), ML350 (2006-14), Viano (2005-14), Sprinter (2006-14), CLC350 (2008-14), GLK350 (2008-12)

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