tow bar electrics

  1. T

    W213 All-Terrain tow bar switch light stays on

    Can someone who has W213 estate with the factory fitted electrically deploy-able tow bar please tell me if the light on the switch goes out when the tow bar is deployed? The manual says the light should flash when deploying and then go off but mine stops flashing and stays on. There are no...
  2. W

    Tow bar electrics

    As part of a very long investigation into why my car drains its battery in three days of unuse I have found only one anomaly. Have noticed that there is 220mv wrt earth (towbar socket earth and directly to chassis) on each of the tow bar socket pins with the ignition and sidelights off. I have...
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