2001 CLK430 conv. top still inoperative.
I took the car in to a independant Mercedes shop and $300 later they said the top control module was bad. I then went and installed a remanufactured unit as well as a new relay but still nothing works and the light in the top switch is illuminated? Does the module need to be coded to the car? Anything else to check before I go back to the shop?
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