Quote:
Originally Posted by lotusing
My 2007 e350 w211 has been starting to show some issues and I just purchased the MB II to figure some of these issues. First issue has been that the IR remote would only work when at the car. Replaced the batteries and have the tried both remotes and still the same. I checked for error and the MB II error was supply voltage of the control unit is too low????? Don't understand
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With the MB II, check the "actual values" for voltage at idle and driving around. You should see 13.8-14.5v depending on the situation at all time. Your alternator might not be charging sufficiently.