W164 command problems!!
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Joined: Jan 2019
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W164 ml320
W164 command problems!!
hi, hope someone can help me? Just bought a w164 ml320 cdi and having problems with command, was told it had been working ok until new battery was fitted and now it just displays the Mercedes Benz home screen for about 20seconds and then turns itself off when on button is pressed, I tried disconnecting battery and unit then powers up correctly and works but then when it's switched off it reverts back to only displaying the Merc home screen when switched back on again... any advice is greatly appreciated as I can't believe it's too serious as the system works ok when battery has been disconnected...
