Mercedes C-Class S204 2007-2014 Radiator Coolant Expansion Header Tank & Sensor Vehicle Model_Duster 1K0 615 424 B) to

1K0 615 424 B) to help ensure you select the correct part for your vehicle

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Mercedes C-Class S204 2007-2014 Radiator Coolant Expansion Header Tank & Sensor Vehicle Model_Duster 1K0 615 424 B) toOne of the lesser known parts on your Mercedes Benz C Class is the coolant expansion tank. This component is responsible for catching and storing coolant overspill from the vehicle's radiator. The coolant in your vehicle is designed to prevent the engine from overheating. As it reaches its optimal operating temperature, it expands and can overflow. The expansion reservoir collects this excess fluid and stores it safely instead of letting it spill onto