Question about 2003 Mercedes-Benz E-Class

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2003 Mercedes Benz E500

My A/C blows cold, but my heater does not work...it blows cold air...what is the problem without spending a fortune @ the Dealership

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There is a valve that is located between engine and firewall. I fixed it myself with help from benzworld.org. It seems to be a common problem with this model and the new valve has a slightly different part number and is supposed to be better. It took about 1 hr. you have to take a few parts off to get to the valve, but if you can handle basic tools, it should be ok. there are great step by step pics on the benz site. part is about $40 at dealer. good luck!

Posted on Jan 25, 2009

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