Garage > Interiors & Exteriors

Center Vent / ACCII Vacuum Issues

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--- Quote from: Engineerd3d on 07 July 2021, 01:54 PM ---I bypassed the front actuator door. I simply snuck a copper wire from behind the bled door and wired the center dash opened. Ac works much better this way. I had to remove the vents in the front to help me actuate it opened and wired it open. You can still close the center vent with the knob. Not sure why Mercedes chose to go this complex but this is the deal.

--- End quote ---

Pre 1978 cars with ACC did not have the knob to close the center vents.


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