MBWorld.org Forums - Disconnecting Negative Battery Terminal

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AkaSigFreak

11-23-2018 10:56 AM

Disconnecting Negative Battery Terminal

I will be installing a powered subwoofer in my 2014 E350 and I will need to disconnect the Negative Battery Terminal at the trunk battery. Will this cause any problems or require for anything to be reset after I reconnect? I've installed many audio systems/accessories in vehicles but have never tried in the Mercedes so I want to be prepared.

thefisch

11-23-2018 09:35 PM

You will probably only have to set the time after and will reset the trip meter 'from reset'. Be sure to close all glass fully to avoid any auto up/down switch issues.

300SE1993

11-24-2018 06:24 AM

No issues on the W212. There is a small backup battery under the dash that keeps all electronics up.

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