Key Check Battery
03-01-2011, 11:06 PM
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2006 E55 AMG --old cars -- E39 M5, 2.7tt Audi S4, E36 M3 **Ducati 996, 748
Key Check Battery
How do i do this and how much $$$.. Should be a DIY
03-01-2011, 11:22 PM
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2013 C63 Coupe, 2006 Evo 9 MR
I believe you just need to replace the batteries in your key. 2 CR2025's will do it. I just got the message also and replaced the battery, message went away
03-01-2011, 11:28 PM
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03-02-2011, 02:33 AM
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2006 E55 AMG --old cars -- E39 M5, 2.7tt Audi S4, E36 M3 **Ducati 996, 748
sweet i knew that would be easier than calling the dealer for the info.
06-14-2012, 07:26 AM
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I dont get it, started getting this message, I can lock the car from 300feet away, replaced 6months ago. Dealer charges $17 for battery w "free" replacement lol.
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06-14-2012, 08:24 AM
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2005 E55 AMG
My car sometimes won't lock with one of my keys yet I've never gotten a check battery message...I hope my key isn't dying. 
I changed the battery about a year ago.
I changed the battery about a year ago.
