C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

Heating only when EC REST is on

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Old Dec 12, 2013 | 12:59 AM
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W203 Mercedes C200 2001
Heating only when EC REST is on

Hi all,

I am still getting used to my W203 C200 (2001) and I can't figure out how the heating works in this car.

The only heat I get is when the car has been running for a long time (20 minutes or more) and the engine has reached some 60+ degrees, and when the EC REST is enabled. Someone told me that this was normal, well, I don't buy it. Is this normal?

Before this, I wasn't even getting heat with the EC REST on, but I had the thermostat replaced (from a mechanic) and that fixed that. If I turn off EC REST, there's this smell of unflitered air that flows into the cabin.

I tried to reset the system, but the flashing lights never finished flashing.
Could it be that the freon is low or something else?

Thanks
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