Hi folks,

The heater blower knob on my '74 240D is a little temperamental. It's not really a big issue for me but now I'm working down the list of 'minor' problems to sort out and this is one of them.

Here's a short clip showing what happens:

Heater blower knob acting strange

Any thoughts? Seems like it's the knob that needs some tinkering. I'm hoping it's not a dash out job. If it is then I'll likely not bother

Thanks!

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1975 W115 300D