SL-Class (R230) 2003 -- 2012: Discussion on the SL500, SL550, SL600

SL/R230: AC Lite on and off

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Old 10-16-2011, 05:21 PM
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"2003" SL500 and E-320
Cool AC Lite on and off

Looking at the AC Switch the red light is on, when pushed the light goes off and then back on again. Can anybody chime in and tell me what that means??? Noticed it when I tried putting the heat on.
Old 10-16-2011, 05:58 PM
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04 MBZ SL500
low refrigerent

mine was a bad hose(04SL) w 90K'
Old 10-16-2011, 07:02 PM
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"2003" SL500 and E-320
AC Light

Does this affect the heat in anyway? and does this require a MB service?

Thanks for you response
Old 10-16-2011, 09:19 PM
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04 MBZ SL500
heat

i would think not(effect heat) but cooling and defrost yes. Any reputible AC service place can diagnose and repair. Think many hundreds.
Old 10-17-2011, 04:34 AM
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CL500 216
EC LED lit.

This means the air con is not working and it could be low on gas, it needs STAR to turn it back on again.

It could also be the passenger side SAM, never use a high pressure washer on a hot day anywhere near the vents in the front fender.

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