/8 I believe denotes after '68, I don't know when it stops. However in my case I use it to say its not the 4 cyl engine.

Dog,
Heater lever controls? from the 114? I thought it was only the 108's that had the troubling heter levers. Interior is in good shape but I doubt I'm in a location to find a buyer willing to ship them. I was thinking of the W123 300D, but now you have me thinking...