Your Mercedes-Benz vehicle's factory cooling system is directly responsible for maintaining an ideal engine temperature, no matter how far you drive, how warm it is outside, or how punishing the road conditions are. It also keeps the coolant flowing when temperatures plummet on the coldest winter's night.

How Cooling Systems Work

Today's vehicles rely on liquid-cooled systems, rather than air-cooled, to moderate the engine temperatures. This is how liquid cooling works. Coolant flows from the radiator to the engine, where it then works its way through passageways inside the heads and engine block. A water pump helps to circulate the coolant. A thermostat measures the coolant's temperature in order to either allow or prevent coolant from flowing to the engine. Finally, we can't forget to mention the inlet and outlet hoses that route coolant from the radiator to the engine and back again.

How to Spot Cooling System Problems

Even best cooling system can eventually fail. Signs of trouble include:

Buy Genuine Mercedes-Benz Cooling System Parts Online

If one or more cooling system parts needs to be replaced, insist on using original OEM parts. After all, they're the only ones that were designed to fit your model, delivering the fit and performance you can trust. You can find them right here in our online auto parts catalog. Buy now and we'll get your order shipped> directly to your home!