Engine Cooling System Problems of Mercedes Benz C320

Mercedes Benz C320 owners have reported 2 problems related to engine cooling system (under the engine and engine cooling category). The most recently reported issues are listed below.

1 Engine Cooling System problem of the 2004 Mercedes Benz C320

Failure Date: 07/02/2009

I own a 2004 mb C320 and I have noticed that when it reached 40,000 miles the car itself started malfunctioning from the rear window shade wouldn't go down for which I only use occasionally; the air conditioning would turn on and off; the temp gauge is inaccurate; the passenger visor came off; the center console wouldn't shut close and the. I went to mb for the yearly service- April 2009 and they wanted $1300. 00 for the window shade; I think $500 for the center console and $125 for the visor. And they also wanted $800 for the diagnostic check for the blower and I have to pay whatever parts that needs replacing. Now the car is almost 60,000 miles and the check engine light came last week. I notice the light comes on when I start the engine and it fails to turnover. The check engine light would eventually go out. The same thing happened again yesterday when it didn't start the first time, the cel came on. I checked the gas cap and it looks tight to me. I have also noticed that the radiator would make a very loud and unusual noise when the car is stopped. I thought I made a right decision of buying a Mercedes Benz due to the fact the car have a great reputation. With the economy nowadays and the amount of money the mb service are charging I think it's ridiculous for a fairly new car.

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2 Engine Cooling System problem of the 2003 Mercedes Benz C320

Failure Date: 05/15/2009

On a 2003 c 320 mbnz, the radiator now leaks into the transmission. This is going to require the radiator to be replaced and for the transmission to be flushed. This leaking radiator fluid could have already damaged the transmission, and if so, it will have to be replaced. This problem causes a lack of power and therefore a loss of acceleration. It happens without any warning, often leaving you vulnerable due to the loss of power, a potential accident waiting to happen.

See all problems of the 2003 Mercedes Benz C320 🔎.




C320 Service Bulletins
C320 Defect Investigations