My a/c is still acting up intermitantly hot on left side and cool on right.
I checked the charge and it shows overcharge about 55-60 at lbs at idle but I noticed that the aux fan is not working.
I checked the voltage to the connector at the fan and there is 12volts and the fan is nice and free but does not run.
Is there some other sensor between the connector and the fan motor? it doesn't look like it.
Could this have been my problem all along even though the charge made it work better? Should I evacuate some charge and replace the fan with a new one? Has anyone replaced one before on the w210? I would appreciate some help, M.B. Doc what do you think?

Thanks