W209 Driver Side Defrost not working.
My 2004 CLK500 the driver side defrost not working. I did the test/reset by holding the defrost and recirculated air together. Both front defrost is working. After a couple of cycle the driver side defrost will closed and will not re-open but during the test I hear the stepper motor arm is broken due to the clicking sound when the arm rotate. The clicking noise is coming behind the radio.
I need to know witch stepper motor is it. I already replace (1) stepper motor for M2/10 (Left footwell). I don't have access to Mercedes SD scanner. I do have access to a Snap-On Solus Ultra scan tool. Not sure if the Snap-On can read the stepper motors.
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