One of the first things I did when I had a 220D was to eliminate the fan clutch assembly. I used only the electric fan. I drove it for years here in the desert with no problems.

Both my 250C and 280C use only an electric fan.

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“Whatever story you're telling, it will be more interesting if, at the end you add, "and then everything burst into flames.”
― Brian P. Cleary, You Oughta Know By Now