To get back to this...
I fill it with coolant through the radiator?
Also, I add coolant to the expansion tank?

Do I need to take the thermostat out?
Run the car with heater on?
Can I use radiator flush fluid?

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Smoke Silver 1994 E220 Coupe Automatic
0 kilometers 6 September 1994
100,635 kilometers - 6 September 2010