fans don't turn off

Hi A week back I had a problem with the engine coolant fan suddenly starting to run at full speed whenever the ignition was on. Many internet searches revealed this was a common fault, but the reason behind it could be anything that made the ECU think the engine was overheating, a fault in...

Hello folks,I wonder if anyone can help? Where exactly can the fan controller circuit board be located on the ML270? I have a fault with my ML270 aircon fans running non stop and have to disconnect the battery as a temp fix.The blowers under the front seats are stuck on no matter what...