I hope this helps.

Evil Servo service manual
Evil Servo, service manual - PeachParts Mercedes ShopForum

Evil Servo bypass
Evil Servo bypass

Maybe pictures will help. Trying to get my heater working. Where to start?
Maybe pictures will help. Trying to get my heater working. Where to start?


Unless you are talking about the push button control unit.

http://www.peachparts.com/Wikka/W123ClimateControl

Climate Control:



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