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Discussion Starter #1
Hey Im interested in doing a ECU reflash Im just curious on how it affects my warrenty. Companies claim that mercedes cannot tell that your ecu has been reflashed so it will not affect my warrenty. Im just wondering if people know if this is true or if you had any personal experiences with this. Thank you
 

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2005 CLK200 Komp, 2007 R350
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You could always buy a 2nd ecu, have that one flashed, and put the stock one back in if anything goes wrong.
 

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Discussion Starter #3
thats true, but I plan to just keep my original ecu, companies tell me that the reflash is undetectable to mercedes so it would not lead to voiding my warrenty. Is this true?
 
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