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Replacing battery, any issues that I should be aware of?

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Old 08-21-2012, 07:35 AM
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2009 C300 4Matic with Keyless Go
Replacing battery, any issues that I should be aware of?

I'm replacing the car battery later today. Are there any issues I should be aware of when I disconnect the battery (e.g. radio presets, folding mirror are the ones I'm aware of)? I'm reluctant to use those "memory saver".

Thanks in advance.

Dennis
Old 08-21-2012, 04:42 PM
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2007 W204 220CDI Classic Sedan
Here are a few, make sure the ignition is isolated ie key out , replace it with a battery of the same Amp Hours , make sure to attach battery vent pipe correctly,check for corrosion on cradle & smear a little petroleum jelly on terminals when finished to prevent corrosion.
Old 08-21-2012, 08:16 PM
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2009 C300 4Matic Sport
You will notice some issues with the auto opening and closing windows button, it will not work for a few hours, sometimes you won't be able to remotely open the trunk for a few hours also.. Nothing major.
Old 08-21-2012, 08:17 PM
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I see you have keyless go, so the 'KEY' instructions said before by Carsy won't apply
Old 08-22-2012, 08:43 AM
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2009 C300 4Matic with Keyless Go
Replaced the battery and other than adjusting the time/date and mirrors, no driveability issues or adjustments required so far.

Thanks for the tips!

Dennis

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