2012 c300 Dash lights go crazy No gauges work Then goes go s back to normal ......
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Join Date: Mar 2014
Location: Northwest Illinois
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2014 E350 also restored: 1969 Camaro convertible SS 1957 Chevy Belair 2dr hardtop
You might have a MB that required constant power while changing the battery. If that is the case and you did not you may have to have someone rest your system. Not sure how to do it my ride does not require constant power.