any help in what the stock hoses and appliances looked like? picture of engine compartment would be very helpful too. thanks
Are you talking about a 116 300SD or a 123 300D?
If you have a US Spec 300SD with Automatic Climate control here is the vacuum schematic
http://handbook.w116.org/Climate/83-604.pdf (http://handbook.w116.org/Climate/83-604.pdf)
Bill