MERCEDES AMG M156 / M159 COOLANT WIDE OPEN THERMOSTAT BYPASS

BlackBoost Performance Engineering

Racing Coolant Thermostat.

With our BlackBoost Racing Coolant Thermostat the coolant circulation with the radiator is always at 100% open. The factory coolant thermostat opens at 100°C / 212°F.

Only for racing application, not recommended be used under very cold weather conditions.