E-Class (W210) 1995-2002: E 200, E 220D, E 240, E 290TD, E 300TD, E 200, E 240, E 280, E 320, E 420, E 430 (Wagon, Touring, 4Matic)

A/C won't engage

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Old 11-16-2020, 11:46 PM
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2001 Mercedes w210 e200
A/C won't engage

I have a 2001 e200 My air conditioner won't work. Blower motor works fine. The compressor won't engage. No 'click' sound when turned on. Is there a fuse or relay?
Old 11-17-2020, 12:26 AM
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"Generally" the most common reason is no refrigerant - run a Climate Control diagnostic
Old 11-17-2020, 11:16 AM
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1999 E300TD
mr fabulose sometimes comes up with a suggestion that works. Before you jump through hoops with the actual value tests via your control module look to see if the EC light is on.If on try pressing the button to turn off EC. If you cant turn off the EC lamp then you or your girlfriend will never be able to learn the refrig value or add refrig because the compressor will not engage.You will then need factory software to clear the EC fault.

Last edited by Plutoe; 11-17-2020 at 11:31 AM.

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