fans don't turn off

  1. V

    W212 E63 (5.5bi) oil temp sensor problem?

    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...
  2. C

    ML270 - faulty fan computer board location?

    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...


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