the fan speed switch is stuck, it has about a half inch range of motion between the I and II marks.

what could be causing this, it happened all of a sudden, got in the car one day and it wouldn't move.

so ya, i wan't to know what is wrong and how to fix, its getting hot here in the bay area and i need a/c on high

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Current
2006 E320 CDI, 57K bought at 67K "Liesl"
1986 190E 2.3-16, 198K bought at 56K "Brigitta"
1987 300TD (Chuggin Along), 292K "Friedrich"
1995 E320 Wagon, 200K "Louisa"

Past
1987 300SDL, (sold) 125K, bought for 1$ "Kurt"