heater fan

Hi all. Am new on here.. I have a 2008 c220 sport. Really like the car, I have had it for almost to years now. I came back from offshore yesterday to find my blower not working? I have checked the fuses in the engine bay and in the boot. They seam fine. The controls all lightoup...

The fan speed seems to increase / decrease or stop then start up again (eventually) at whatever speed setting you set it too. I have been told it could be the brushes but would this cause the fan to increase speed as I would have thought if the brushes were worn the fan speed would be slower or...

The fan speed switch seems to increase / decrease and stop at whatever speed setting you set it too. I have been told it could be the brushes but would this cause the fan to increase speed as I would have thought if the brushes were worn the fan speed would be slower or stop completely. Any help...