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Old 09-01-2003, 02:40 AM
Registered User
Join Date: Aug 2003
Location: Sacramento, CA
Posts: 10
Unhappy W210 Climate Control Stuck in EC Mode

My wife and I bought a 99 E320 yesterday and the climate control worked great...until last night. Since then, the climate control has been stuck in EC mode, which locks out the a/c compressor.

Does anyone have any hints or tips for clearing this? The obvious step of pushing the button again doesn't work.

It's going to be 105+ again tomorrow, and we'd really like the a/c again!

Thanks for your time,

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Old 09-01-2003, 05:07 AM
Gilly's Avatar
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Join Date: Mar 2001
Location: Evansville WI
Posts: 9,616
It does that as a self-protection feature, you can't just clear it out. Usually it means you're low on freon, so there may be a freon leak that needs to be repaired.
On a 99, there is also the possiblity that there is a problem with the freon (refrigerant) level monitoring system, the dealer should be aware of this potential and know how to fix it.

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Old 09-01-2003, 03:19 PM
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Join Date: Aug 2003
Location: Sacramento, CA
Posts: 10

Thank you for the info. I'll get it checked out right away.

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