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C219 CLS55 and CLS63, 2004-2010

how do we change the battery in the key?

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Old Oct 6, 2008 | 08:57 AM
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RobCLS63
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2007 CLS63 AMG
how do we change the battery in the key?
message says "change battery"

any ideas?
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Old Oct 6, 2008 | 10:29 AM
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Originally Posted by RobCLS63
message says "change battery"

any ideas?

Yes, its decribed in the manual.
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Old Oct 6, 2008 | 10:56 AM
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run it over to your local dealer, they should change it out at no charge to you...and it is described in the manuel like AMDEUTSCH said
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Old Oct 6, 2008 | 05:22 PM
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formulagt
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I had this happen to me on Sat. morning...I figured it was because I never stick it in the ignition, I always use the start button. From what I understand, you should use the ignition every once in awhile as it actually charges the key. I drove with it in the ignition for the rest of the day - On Sunday, started using just the start button again and don't have the issue. Might save you a trip to the stealer...
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Old Oct 6, 2008 | 07:10 PM
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mbenz1
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Originally Posted by formulagt
I had this happen to me on Sat. morning...I figured it was because I never stick it in the ignition, I always use the start button. From what I understand, you should use the ignition every once in awhile as it actually charges the key. I drove with it in the ignition for the rest of the day - On Sunday, started using just the start button again and don't have the issue. Might save you a trip to the stealer...
So, the key actually uses a rechargeable battery?
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Old Oct 6, 2008 | 07:14 PM
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07 CLS63 | 06 SLK350
Originally Posted by formulagt
I had this happen to me on Sat. morning...I figured it was because I never stick it in the ignition, I always use the start button. From what I understand, you should use the ignition every once in awhile as it actually charges the key. I drove with it in the ignition for the rest of the day - On Sunday, started using just the start button again and don't have the issue. Might save you a trip to the stealer...
wow this is news to me too... its probably on a borderline limit which throws the low battery warning, let us know in 1-2 weeks if you dont get the low battery warning...
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Old Oct 6, 2008 | 07:33 PM
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07 CLS 63
Originally Posted by blackcls63
wow this is news to me too... its probably on a borderline limit which throws the low battery warning, let us know in 1-2 weeks if you dont get the low battery warning...
+1...the batteries are not rechargeable. They are standard CR2025 batteries.
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Old Oct 6, 2008 | 08:24 PM
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blackcls63
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Rob ... here you go, figured this would actually answer your question...


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Old Oct 11, 2008 | 01:35 AM
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been a week - haven't had the message since the day I ran it in the ignition...
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Old Oct 13, 2008 | 02:10 PM
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2007 CLS63 AMG
i went to merc and paid the $15 for new batteries
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Old Jul 31, 2011 | 02:27 PM
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Thanks for the instruction manual diagrams !!
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