
Mercedes-Benz M156 Engine Thermostat Kit (C63 AMG, E63 AMG, SLS AMG & More) - Failure Symptoms And Review
A thermostat is a simple device that regulates coolant flow through the engine. When cold, it will stay closed, stopping coolant flow to help the engine come up to temperature faster. Once up to temperature, it will open and allow coolant to flow normally and maintain proper engine temperature....