GLS Class (X166) Produced from 2016 to 2019

M157 Tune options that aren't several thousand dollars?

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Old Mar 17, 2024 | 12:03 PM
  #1  
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2012 CL63 AMG
M157 Tune options that aren't several thousand dollars?

I'm looking for those who have experience with the cheaper tunes. I just can't bring myself to drop $4k on renntech or $2500 on eurotuned when I've spent under a grand on tunes for everything else I've had tuned. And real tunes, not piggy backs. So what are my options? I've seen the racechip and a tune from dudmd, anything else out there?
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Old Mar 18, 2024 | 09:52 PM
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Originally Posted by loudog3114
I'm looking for those who have experience with the cheaper tunes. I just can't bring myself to drop $4k on renntech or $2500 on eurotuned when I've spent under a grand on tunes for everything else I've had tuned. And real tunes, not piggy backs. So what are my options? I've seen the racechip and a tune from dudmd, anything else out there?
Local tuner with a Dyno
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Old May 8, 2024 | 12:22 AM
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AUDI Q7
Hi,

very happy with OETUNING.COM, takes the GLS550 into GLS63 AMG territory. Next tranny tune, but need to go OC because there's some special cable they have.
It goes occasionally on sale, glad I got it.

Hope that helps,

Cheers,

Bob

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Old May 10, 2024 | 12:24 PM
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There was a very upset customer posting on the W212 AMG forum complaining quite loudly about their tune but it looks like the thread was deleted. Make sure to do your research.
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Old May 13, 2024 | 11:43 AM
  #5  
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Originally Posted by BlownV8
There was a very upset customer posting on the W212 AMG forum complaining quite loudly about their tune but it looks like the thread was deleted. Make sure to do your research.
Hey there,

I've had it for some 2 years now and has been fantastic!

With great power comes also great MPG!!!
Just didn't have the time to drive down to get the tranny tune. OE Tuning has been great to me so far.

Cheers,

Bob
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Old Sep 6, 2024 | 11:23 PM
  #6  
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From: Savannah, GA
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Originally Posted by Promo Bob
Hey there,

I've had it for some 2 years now and has been fantastic!

With great power comes also great MPG!!!
Just didn't have the time to drive down to get the tranny tune. OE Tuning has been great to me so far.

Cheers,

Bob
How much of a gas mileage increase did you see?
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Old Sep 6, 2024 | 11:36 PM
  #7  
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
Originally Posted by Savannah_GLS450
How much of a gas mileage increase did you see?
it's a paradox - you'll see 1-2 mpg improvement if you drive exactly as you drive stock - however with the added power you'll drive more aggressively and negate any benefit lol
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Old Sep 7, 2024 | 10:03 AM
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Originally Posted by PeterUbers
it's a paradox - you'll see 1-2 mpg improvement if you drive exactly as you drive stock - however with the added power you'll drive more aggressively and negate any benefit lol
So true!
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Old Sep 9, 2024 | 05:22 PM
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2017 GLS 450, 2013 X5 35d
FWIW: I used DUDMD for my BMW X5 diesel tune about a year ago. He mailed me the cable and emailed me the tune file with instructions on how to load the tune with my laptop. It worked well, the car behaves like stock only with more giddyup. No drama, no trouble since. I would use him again.
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Old Sep 9, 2024 | 08:12 PM
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DUD-MD? Seems he could use a better marketing department...
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Old Sep 10, 2024 | 03:13 PM
  #11  
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2017 GLS 450, 2013 X5 35d
Originally Posted by John CC
DUD-MD? Seems he could use a better marketing department...
Very true, and yet ... I would rather someone with terrible marketing deliver a solid tune than someone with lights-out marketing give me problematic code.
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Old Sep 17, 2024 | 11:25 AM
  #12  
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CLS63 AMG S
Anyone tried MWMods Tune? Looks like it is plug into OBD and can be unplug for smog purposes. I live in CA so i need something that's quick.
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Old Feb 16, 2025 | 01:28 AM
  #13  
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AUDI Q7
WEISTEC TUNE

Hi,
Just got the WEISTEC ECU Tune, and it's just awesome!!! Noticeable difference from the OE i had before. Pulls soo smooth and powerful! Now TCU TUNE ASAP.

Cheers,

Bob
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