Radiator fluid is perhaps the most crucial part of your car’s cooling system. So may ask that how often I should change my radiator fluid. You should periodically change the radiator fluid to help cooling system of your 2002 Mercedes C320 function at its best. Specific interval should depend on what weather you live in. If you don’t change it periodically, dirt and other contaminants will make your radiator fluid less effective. How to Change Radiator Fluid of 2002 Mercedes C320? Read carefully about what have been said in this article, and then you should have the idea about this question.
Step 1: prepare a basin for holding all the liquid and make sure your 2002 Mercedes C320 is in cold engine and open the radiator cap.
Step 2: prepare some pans and a large pail. Look carefully at the bottom of the radiator under the front of your 2002 Mercedes C320, you will find the drain cock which is a T-shaped bolt. Place the pans under the car before opening the drain cock.
Step 3: after all the liquid drain into the pan, close the drain cock.
Step 4: then, you should go to your engine block of fluid and drain them out. Check out your 2002 Mercedes C320 manual to find out where your engine block or blocks locate(s). It may be a hex key. Or keep the radiator drain cock open, and the radiator cap off, run water into the top of your radiator while your car is running, which will circulate the water through your block and flush out all the remaining fluid. When you see clear water running out, the old radiator fluid has all flow out.
Step 5: turn off your 2002 Mercedes C320, close the drain cock and fill radiator and overfill reservoir to certain level. Then you should run your car again to fill the radiator since the fluid need to circulate through the engine.
Step6: you should pay much attention to air pockets. You should not let air pockets be trapped in the tank. Burping work is necessary. Then you can replace the cap of your radiator. After this, if you see your engine running hot, you should do burping work again.
All these steps are quite easy, right? This process will keep your 2002 Mercedes C320 in long life span. If you live in cold environment, you should change the radiator fluid in your vehicle more often.