Vito 639 heater knob link
thingiverse
Mercedes Vito 639 heater position knob linkage replacementThis is a quick 10 minutes design, aimed to replace the squared shaft between the air output position knob and the heater box. This was made from scratch getting measurements, as the original disappeared when I removed the parts to replace the bulb. I havent found a proper picture of the original, but this seems to work fine.
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