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W222 s550 Renntech

     
Old Dec 17, 2013 | 04:36 PM
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peterkastias's Avatar
peterkastias
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Mercedes 2009 s550, 2013 BMW 328i,
W222 s550 Renntech
Hey everyone, I was just wondering if any of you know how the W222 s550 mods preform on renntech. I saw the performance chip but it said it had no data available. Also would a renntech mod void the warranty on the car?
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Old Dec 17, 2013 | 06:34 PM
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sam9187
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2014 S550 - SOLD, 2014 GL550 - SOLD, 2014 GL63 AMG, 2015 S63 AMG Sedan, 2015 S63 AMG Coupe
Originally Posted by peterkastias
Hey everyone, I was just wondering if any of you know how the W222 s550 mods preform on renntech. I saw the performance chip but it said it had no data available. Also would a renntech mod void the warranty on the car?
It does not void the warranty. I called them but they were not able to give me info on the HP it would go to.
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Old Dec 17, 2013 | 08:43 PM
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Mike@Vossen
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We have it done but couldn't get the dyno completed….There is a very noticeable difference, highly recommended.
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Old Dec 17, 2013 | 10:46 PM
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peterkastias
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Mercedes 2009 s550, 2013 BMW 328i,
Originally Posted by Mike@Vossen
We have it done but couldn't get the dyno completed….There is a very noticeable difference, highly recommended.
I know the stock 0-60 is around 4.8 seconds, would you say it shaves off like .3 or .4 seconds?
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Old Nov 23, 2015 | 10:23 PM
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EGROVNER23
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2015 MERCEDES BENZ S550
Great year treated myself to a 2015 Mercedes S550 without the 321 AMG sport package, looking to put a tune on it what's the best bang for my $$$.
Renntech, ECU Tuning Group, Weistec, these are the 3 I see which shows the best gains.


New to Mercedes I am left the world of BMW and entering a new league, so any suggestions are highly welcomed.


Looked at a few kits and thinking about just going with the factory 321 AMG Sport package kit because I don't want to make it look like a s63 just something where it doesn't look base. The factory kit anyone had one installed afterwards from a dealer
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Old Nov 24, 2015 | 03:11 AM
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Originally Posted by peterkastias
I know the stock 0-60 is around 4.8 seconds, would you say it shaves off like .3 or .4 seconds?
Love to know as well. I was thinking of adding that to the SL550 until another member did it and posted slower 0-60 times than before, mostly due to traction.

The SL's are much faster than the S though. Almost couldn't believe it's the same engine.
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Old Nov 24, 2015 | 07:36 AM
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2018 S 650, 2014 SL 550, 2017 911 TTS Cab, '13 F458 Spider
I looked into getting a tune with my '12CLS63, my local MB dealer said no problem, that they had several customers with Renntech tunes, however they told me if I had an engine problem, it would be up to MB and not the dealer, to decide if it would be covered under warranty, that did not sit well with me so I passed
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Old Nov 24, 2015 | 10:13 AM
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serie1926
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2011 S65
I have an issue with a RENNtech CF rear deck spoiler. I would "run, Forest, run!!!"

https://mbworld.org/forums/general-m...-emotions.html

I pray I never have any issues of a significant nature with the ECU tuning.
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Old Nov 24, 2015 | 09:21 PM
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amgm5s8
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2008 S550, 2006 911, 2006 M5, 2005 F-150 King Ranch
I'm very happy with Renntech
Of course they are looking local and could not be happier with the service I recieved
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Old Nov 24, 2015 | 10:38 PM
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2011 E550
All ecu tunes will void your powertrian warranty, even through renntech. Only way to get a tune with warranty is through eurocharged.
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Old Nov 25, 2015 | 07:18 PM
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Steinhart
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2018 S 650, 2014 SL 550, 2017 911 TTS Cab, '13 F458 Spider
Originally Posted by bob2011
All ecu tunes will void your powertrian warranty, even through renntech. Only way to get a tune with warranty is through eurocharged.
that's a Eurocharge warranty
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Old Nov 25, 2015 | 08:23 PM
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2011 E550
Originally Posted by Steinhart
that's a Eurocharge warranty
That's the closest thing you are going to get to a warranty with a ecu tune.
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