E-Class (W211) 2003-2009

REST button for A/C

Old 05-12-2019, 01:02 PM
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CLK 320 2004
REST button for A/C

when i pushed the button before i could here the fan frequency / speed increase, although as of late it does nothing.
is there an electronic actuator and where is it ?
coupe04 is offline  
Old 05-12-2019, 03:47 PM
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REST button works only with engine off, but has 2nd function for activating sensors reading.
In no case you should hear change in fan speed.
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