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Kleeman ECU tune, 3.5L C300

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Kleeman ECU tune, 3.5L C300

 
Old 01-10-2014, 05:21 PM
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Originally Posted by JaredP View Post
I talked with Cory, and he confirmed that the engines are 100% mechanically the same, in displacement, compression ratios, etc. The only reason numbers aren't available is because Cory doesn't have access to a AWD dyno, and doesn't want to throw around arbitrary numbers.
I'm confident that the tune gets you beyond C350 power. Cory responded to me within an hour with a very detailed email, citing many happy customers, and only one so far who did not get the power he expected. OE hasn't replied at all regarding why there is a difference between tunes for 2013+ C300s and C350s. Something weird is going on there.
My money is with Kleemann this summer.
That's good to hear. If you end up getting the Kleemann tune, I look forward to hearing your thoughts. I'm going to hold off for now given the weather, and hopefully, there will be a sale at some point.
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Old 01-10-2014, 05:39 PM
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Not that I'm the only unhappy customer to ever get this tune but I am def a bit disappointed. If you live in Colorado (where Kleemann is) you can find an 4wheel dyno. I don't feel a 60hp+ gain. One of these days I will get it dynoed in NY.
It's your money do with it as you please. Still happier with the car then stock motor or my 2011 or 2008 models. So that's a plus.

PS Cory mentioned to get the latest SW ECU upgrade from MB, haven't check with them yet.
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Old 01-10-2014, 05:42 PM
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Originally Posted by MrMeth90 View Post
PS Cory mentioned to get the latest SW ECU upgrade from MB, haven't check with them yet.
Maybe I'm missing something, but if you get the latest software ECU upgrade from MB, won't that wipe your tune?
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Old 01-10-2014, 06:34 PM
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Originally Posted by WhyAskWhy View Post
Maybe I'm missing something, but if you get the latest software ECU upgrade from MB, won't that wipe your tune?
Perhaps he means have the latest software version prior to kleeman tune ?

How can you check to see if you have the latest version and what is the latest version ?
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Old 01-10-2014, 06:53 PM
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Exactly. I'm just gonna call MB service and provide my vin
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Old 01-10-2014, 07:05 PM
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Originally Posted by JaredP View Post
...
Cory responded to me within an hour with a very detailed email...

Would you be able to share these details? I too was in the very same boat, but in the end, the one with the local distributor won my business. I am still curious about the alternative however.
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Old 01-10-2014, 07:46 PM
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About Engine specs:
The C300 uses the identical engine as the C350- compression ratio, displacement, exhaust, etc.- the 300 and 350 are 100% identical mechanically (the older M272 engine was produced in different displacements where the M276 is produced ONLY as a 3.5L). What MB does to reduce power output, like the C63, is by limiting how far the throttle is allowed to open, and this is done entirely with software, just like the C63. TUNE files simply un-do what MB did to detune these cars by allowing the throttle to open fully, and we also alter ignition timing maps, fuel delivery, throttle response, etc. to take output above and beyond what a stock 350 makes.
More interesting:
We did a tune for a client in, I believe it was NY who told us has both a C350 (stock) and a C300 with our software- he raced them and his C300 wound up being faster- not by a large margin, but it pulled on his stock C350, which suggests our power estimates are accurate.

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Old 01-10-2014, 07:51 PM
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Thanks JaredP.

In that case, why wait till summer? I'd do it ASAP!
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Old 01-10-2014, 07:53 PM
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I can't get traction with the power I have on ice. I'll get a set of good summer tires and tune it when the roads are dry.
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Old 02-01-2014, 11:50 AM
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I have same ecu tunning that kleeman offers for $900! With warranty if anything should go wrong or if I am not happy with tune. Throttle response is insane! I will be taking the car in to run some dyno testing to see how efficient the vehicle is. With ecu tune I am getting about 2 mpg better and no more throttle lag. I also recommend getting a sprint booster for the finishing touch.
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Old 02-01-2014, 11:58 AM
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Originally Posted by Speedvission View Post
I have same ecu tunning that kleeman offers for $900! With warranty if anything should go wrong or if I am not happy with tune. Throttle response is insane! I will be taking the car in to run some dyno testing to see how efficient the vehicle is. With ecu tune I am getting about 2 mpg better and no more throttle lag. I also recommend getting a sprint booster for the finishing touch.
How do you have the same tune that Kleemann uses if you aren't a Kleemann distributer? Also, are you talking about a tune for the M272 or M276? Did you apply this tune on your 2008 C350?

JaredP, if you end up getting the Kleemann tune when the weather improves, please share your impressions.
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Old 02-01-2014, 02:53 PM
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It is an alternative ecu tunning from a registered dealer of Kleemann for our beloved M272 engine. I got a chance to drive it yesterday. The engine increased in torque, very smooth crisp shifting with impressive redlining. I also was impressed by how I didn't need to have in the sport drive mode and still feel the boost. They are making the final tweaks today and I should have it by Monday. I have custom mandrel bend exhaust 2.5" pipe, high flow cats, resonator delete, x-pipe with stock mufflers. The mufflers I had on before were insanely loud. To much "rice". I am still getting the Kleemann headers or unless I find an alternative that reliable and performance. Will probably have to retune ecu again possibly but doubt it.
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Old 02-01-2014, 02:57 PM
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Originally Posted by Speedvission View Post
It is an alternative ecu tunning from a registered dealer of Kleemann for our beloved M272 engine. I got a chance to drive it yesterday. The engine increased in torque, very smooth crisp shifting with impressive redlining. I also was impressed by how I didn't need to have in the sport drive mode and still feel the boost. They are making the final tweaks today and I should have it by Monday. I have custom mandrel bend exhaust 2.5" pipe, high flow cats, resonator delete, x-pipe with stock mufflers. The mufflers I had on before were insanely loud. To much "rice". I am still getting the Kleemann headers or unless I find an alternative that reliable and performance. Will probably have to retune ecu again possibly but doubt it.
Enjoy your M272 tune. It sounds great.

This thread is more about the M276 3.5L engine tune.
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Old 02-01-2014, 03:08 PM
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sry. my bad. M276 engine is badass!
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Old 02-20-2014, 10:51 PM
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Today I took my car in for the 1st schedule service so they gave me a C350 coupe as a loaner. I have my Car ECU done by Kleemann. Amazingly the stock c350 is not even close in throttle response, it feels like a lazy *** doesn't want to move. I definitely would recommend Kleemann. Don't get c350, save $$$ get c300 then get Kleemann!
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Old 02-20-2014, 11:48 PM
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That's really interesting. I forget that the throttle response benefits from the tune are pretty significant as well. The lag in my C300 is starting to get on my nerves too... All the more reason to tune.
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Old 02-21-2014, 06:47 AM
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Yesterday I raced my friends E350 from a green light, the Kleemann tuned C300 pulled away from the E350 with ease...
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Old 02-21-2014, 10:19 AM
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Originally Posted by JaredP View Post
That's really interesting. I forget that the throttle response benefits from the tune are pretty significant as well. The lag in my C300 is starting to get on my nerves too... All the more reason to tune.
You should do it soon, snow won't be around long, let her rips or should I say let Kleemann rips Happy driving and Gold Canada!
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Old 02-23-2014, 02:19 PM
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Originally Posted by MrMeth90 View Post
Yesterday I raced my friends E350 from a green light, the Kleemann tuned C300 pulled away from the E350 with ease...
What year was the E350? I think 2013+ have the M276 as well.
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Old 02-24-2014, 10:20 PM
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Originally Posted by JaredP View Post
What year was the E350? I think 2013+ have the M276 as well.
2014. Same engine, 302 (or so) hp.
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Old 02-25-2014, 01:33 PM
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there are k2 and k3 kits available for M272 V6 3.0 3.5 ALREADY

Originally Posted by JaredP View Post
How difficult was it to locate and remove the ECU? I assume Kleemann must have some info packet they send you.
Originally Posted by JaredP View Post

I might wait until Kleemann releases a K2 kit, looks like it will contains some exhaust upgrades (headers?).

How would you describe the tuned throttle response? The lag would be great to eliminate, but have you noticed anything else?


which engine u talking about, if it is M272, kleemann K3 kit is already available which includes. checks this links http://www.kleemann.dk/Performance/Engines/350V6_M272

350 V6 (M272)

2230 280 300/Tuning solutions available upon request
350 k1: A costum made ECU upgrade. Up to 305 HP and 375 Nm (278 lb-ft) of torque.
350 k2: K1 + a set of stainless steel tubular exhaust headers and downpipes. Up to 320 HP and 390 Nm (289 lb-ft) of torque.
350 k3: K1 + K2 + a set of super sport camhafts. Up to 340 HP and 400 Nm (296 lb-ft) of torque.
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Old 02-25-2014, 01:38 PM
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Thanks for the info, but this thread is about the M276. As far as I know there does not exist a C300 with a 3.5L M272, so I'm not understanding where all the confusion is coming from...

Last edited by JaredP; 02-25-2014 at 01:43 PM.
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Old 02-25-2014, 02:17 PM
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Originally Posted by JaredP View Post
Thanks for the info, but this thread is about the M276. As far as I know there does not exist a C300 with a 3.5L M272, so I'm not understanding where all the confusion is coming from...
sorry my bad, anyway it also works on OLD c300 with m272 3.0
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Old 02-25-2014, 03:24 PM
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I just spoke with Brandon at Kleemann, and get this: they can program the ECU so that the car defaults to sport mode on startup.
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Old 02-26-2014, 06:39 AM
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Originally Posted by WhyAskWhy View Post
I just spoke with Brandon at Kleemann, and get this: they can program the ECU so that the car defaults to sport mode on startup.
could u plz give me his email address, I send email to kleemannusa, but no reply. thanks
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