2018 Colorado E63 AMG - MBWorld.org Forums

Jun 11, 2019 | 05:42 PM

VTXRaider

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2018 C63 S Coupe, 2019 BMW M5,

2018 Colorado E63 AMG

I am looking to purchase a used white 2018 E63 AMG and found one close to where I live in the Midwest. Looking at the carfax report this vehicle was serviced by Mercedes in Littleton Colorado. Anyone know who's vehicle this is? Would love to get some more info before I pursue. I did call the dealer and they said the they installed a Renntech tune to the car and didn't give me much more. What concerns me is the carfax report states the transmission was removed and reinstalled at 12k miles. I just want to make sure I'm not buying the wrong car. Also what kind of performance gains are achieved with the Renntech tune? I am assuming since the Mercedes dealer installed the factory warranty is still valid?

Thanks

Jun 11, 2019 | 06:21 PM

TugboatBill

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Joined: Mar 2019

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From: USA

2018 E63S Wagon, 2017 Z51 Corvette

It may not pass smog, depending on the laws where you live.

Jun 11, 2019 | 07:20 PM

whoover

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Joined: Mar 2006

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From: San Jose area

'19 E63S sedan

Quote:

Originally Posted by VTXRaider

The Renntech tune absolutely voids the powertrain warranty. If you go to the dealer that installed it, they will probably honor the warranty but it's dicey. If another dealer suspects a tune, they can look into the ECU and, if it's in their interest, flag the car, making warranty claims a nightmare. Tunes are always at your own risk. Getting one from a Mercedes dealer eases that but only so much.

Jun 12, 2019 | 06:11 PM

signes

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Joined: Feb 2014

Posts: 341

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E90 M3

I've seen a white one around town that sounded tuned but don't know the owner. MB Littleton is very tune friendly, they sell and install Renntech even do group events at the local drag strip. Not sure I'd get it with that history unless they give you more info you can get comfortable with.

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