Water Bottle Expansion Tank For: Mercedes-Benz C300 W204

New coolant expansion tank, also known as a water bottle or radiator overflow bottle to fit your Mercedes-Benz C300 W204 Model Years: 2009- Engine Code/s: M272-947. Beta expansion tanks are economical aftermarket replacement parts for your vehicle. You will need to re-use your original radiator cap, as this is not supplied with the bottle. We do recommend purchasing a new radiator cap when replacing your expansion tank