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Old Jun 12, 2017 | 11:39 AM
  #1  
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2016 c450 amg 4matic
Tune and warranty

any tunes that doesnt void warranty?
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Old Jun 12, 2017 | 03:59 PM
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2017 C43 AMG
Originally Posted by qtc
any tunes that doesnt void warranty?
Nope, Unfortunately all tunes will void powertrain warranty.
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Old Jun 13, 2017 | 10:47 AM
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Originally Posted by AMG_FVR
Nope, Unfortunately all tunes will void powertrain warranty.
even if i flash it ?
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Old Jun 13, 2017 | 11:02 AM
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If there was a powertrain related failure and the technicians really want to dig into the issue, they can pull the ECU and logs to see.

Have a good relation with your SA as that may help but at the end of the day, if you go for a tune be prepared.
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Old Jun 13, 2017 | 11:54 AM
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Originally Posted by qtc
even if i flash it ?
Yes, a flash is a tune, therefore warranty will be voided.
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Old Jun 13, 2017 | 12:22 PM
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Dinan is in the process of releasing some piggy back units that will carry a 4yr/50k warranty on them which will include consequential damages. Its the same warranty as they are known for on the BMW side. They are not out yet, but apparently in beta testing. They would be your best bet
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Old Jun 13, 2017 | 03:01 PM
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Originally Posted by qtc

even if i flash it ?
Especially if you reflash the ECU...

You're less likely to get caught with a tune if it's a piggy-back. The Dinantronics Sport piggy-back unit for my C450 gives a nice safe 4 psig increase max.

Last edited by MASSC450; Jun 13, 2017 at 03:03 PM.
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