i noticed that my center instrument cluster in my 67' 230sl was starting to come out of its hole and same with the speedometer, i dont know how or where to get started i have the "BBB" but it does not tell me how to do it on the 230's only later models that are different, also 2 of the heater levers are stuck , any help is appeciated ive been looking everywhere and cant seem to find a helpful article