Battery w204 c63 2014

[CrusaderDD]

Does anyone know if I need to do anything before or after disconnecting the battery on a c63 w204 2014.

Will anything break or need to be reset seen somewhere online or windows or something not working after or steering wheels.

Will my tune be wiped and need restoring.

Am I over thinking this and it’s just disconnect /reconnect .

 

[KillerHERTZ]

Check my video here with all instructions as to what you need to do after disconnecting etc: (also in the Forums HOW TO section):

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[CrusaderDD]

Check my video here with all instructions as to what you need to do after disconnecting etc: (also in the Forums HOW TO section):

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Accept third party cookies

Thank you