If you need an instant replacement for the under-functioning thermostat of your 1994 Mercedes C220, better get the Wahler Thermostat Kit. And when wondering where you can get the G4001-63194 Thermostat Kit, worry not since our site carries this particular product that will surely fit your vehicle. Why is there a need to immediately replace an under-performing part, like the thermostat? To answer that question, you first need to acknowledge the roles played by the thermostat in your vehicle’s cooling system, as well as the whole operation of your auto. Basically, the thermostat is the cooling system’s temperature regulator. When the engine is cold, the thermostat will stay closed and keep the coolant flowing within the engine. This will then help the coolant to warm quickly. The warming coolant will cause the valve in the thermostat to slightly open, allowing some of the coolant to flow to the radiator and back to the engine. As the engine continues to warm, the thermostat opens more in relation to the heat of the coolant. And under normal conditions with a fully warmed engine, the thermostat will completely open. Such is the role of the thermostat in the system, so there is a need for a quality part installed. What our site offers, the Wahler Thermostat Kit, will include the seal that will make the part properly secured in your Mercedes C220. The kit will include all the necessary accessories that you need to properly secure the thermostat.