S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

so I am looking to ECU tune my car.. (2012+ M278 engine)

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Old Mar 20, 2015 | 11:34 PM
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G63 AMG
so I am looking to ECU tune my car.. (2012+ M278 engine)

so my board exam is almost over,
looking to threat myself a nice gift,

I have been thinking of doing downpipes and tune for the long time,

anyone out there has 2012+ with ECU tune?

I am contemplating btw eurocharged or OE tuning.
they both offer stage 2 which is with the downpipes (to remove CEL (check engine light)).

downpipes will be made by a good buddy of mine.
(Zury Fabrication in Maryland).

any input would help!
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Old Mar 21, 2015 | 12:53 AM
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Originally Posted by aznevoviii
so my board exam is almost over,
looking to threat myself a nice gift,

"I'm going to kick my own *** if I don't get a new ECU tune!"
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Old Mar 21, 2015 | 04:47 AM
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Originally Posted by DaveW68
"I'm going to kick my own *** if I don't get a new ECU tune!"
haha!
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Old Mar 21, 2015 | 07:53 PM
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with the stress it has given to my life for the past half year,
hell yeah I'm going to kick my own *** twice! if i don't get a tune for my car. :-)
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Old Mar 21, 2015 | 10:08 PM
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Originally Posted by aznevoviii
with the stress it has given to my life for the past half year, hell yeah I'm going to kick my own *** twice! if i don't get a tune for my car. :-)
Haha, lol! Now I don't have a tune for the bi turbo v8, but I have a tune for the older 5.5 liter v8 from OE. Great tune, great company! Have had it for over a year with no problems! I have not had any experience with Eurocharged, but from hearsay from the forums, they are a great company to deal with aswell! Both are very reliable, and both are AWESOME companies! Which ever one you go with, I'm sure you won't be disappointed!
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Old Mar 22, 2015 | 01:32 PM
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I drove a tuned 13' 550 last week it's way better across the power band than stock. I then drove a stock 2012 S63 and I'd say the overall speed is pretty similar. These engines are amazing.
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Old Mar 23, 2015 | 11:12 AM
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what tunes are 2012 & up bi turbo engines are guys running/
thx
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Old Mar 23, 2015 | 12:10 PM
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Eurocharged has a good reputation for offering great tunes at reasonable prices.
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Old Mar 23, 2015 | 12:11 PM
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Originally Posted by bob2011

Haha, lol! Now I don't have a tune for the bi turbo v8, but I have a tune for the older 5.5 liter v8 from OE. Great tune, great company! Have had it for over a year with no problems! I have not had any experience with Eurocharged, but from hearsay from the forums, they are a great company to deal with aswell! Both are very reliable, and both are AWESOME companies! Which ever one you go with, I'm sure you won't be disappointed!
What does the tune add? How many hp.
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Old Mar 23, 2015 | 12:14 PM
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Originally Posted by Jason B
What does the tune add? How many hp.

http://www.eurocharged.com/products/...g/s-class/s550
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Old Mar 23, 2015 | 02:46 PM
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
I don't think the tune allows for much power increase in first gear so as to protect the transmission but from second gear on...

I wonder if someone could confirm this
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Old Mar 23, 2015 | 02:59 PM
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W140 Mercedes S350, W221 S550 sport
+32 hp
+27 ft lbs torque

Not bad for $500.
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Old Mar 23, 2015 | 03:08 PM
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Originally Posted by Jason B
+32 hp
+27 ft lbs torque

Not bad for $500.

This is on the NA motor. The M278 motor gets additional 128 HP and 163 lb/ft from the tune that costs just $1175. That's a lot of juice for a somewhat small price. I'd just like to see what the long term durability and reliability of the turbos, engine, and 7 speed trans are with that tune.
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Old Mar 23, 2015 | 03:14 PM
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Yea, I'd be scared to do that to a stock 550 with that kind of gain. It's going to blow out something sooner than later.
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Old Mar 23, 2015 | 04:32 PM
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Originally Posted by Jason B
Yea, I'd be scared to do that to a stock 550 with that kind of gain. It's going to blow out something sooner than later.


Likely the coil packs will wear out quicker, especially if you're into the throttle a lot.
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Old Mar 23, 2015 | 10:33 PM
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well lot of cls550 and e550 owners run eurocharged stage2 tune on their stock car with upgraded downpipes only, the gain is crazy and no one so far has had any kind of damage to their car. of course with it being under warranty until 100k miles, if anything happens, i would take off the mods and bring it to the dealer in stock form.

anyways, Eurocharged got in contact with me, so I have decided to go with them.
the power gain should be pretty substantial, (120+ awhp and similar gain on the torque too).

I will entertain you guys soon (give me a good week or two), get the dyno done before and after etc.
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Old Mar 23, 2015 | 11:01 PM
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If it were returned to stock form for warranty purposes would there be no way for a dealer to know? I understand the motivation, but it does seem rather dishonest.
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Old Mar 23, 2015 | 11:34 PM
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I think dishonest is more of dealer side than consumer.

to each its own.

I had bad O2, (cel came on), and it was from two of rear o2 sensors.

dealer replaced them under warranty, even i had modification to the exhaust.
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Old Jun 6, 2015 | 01:09 AM
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Any updates on the Eurocharged tune? I am looking at Renntech now, since its the only name I recognize
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Old Jun 6, 2015 | 09:19 AM
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Originally Posted by JUm3
Any updates on the Eurocharged tune? I am looking at Renntech now, since its the only name I recognize
Renntech is a great company if you don't mind spending A LOT more for the same results as EC.
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Old Jun 6, 2015 | 03:40 PM
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I have the Renntech tune on my 2012 M278 and LOVE it. Was more pricey, but they did a good job and was quick!
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