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Reset learned driving ?

Old 03-15-2008, 02:49 AM
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Reset learned driving ?

I've read on here before that some of you guys know a sequence you can do with the throttle or something, where you make the computer forget your driving style.

Anyone know what it is? I'd like to try it out. Thanks!
Old 03-15-2008, 12:12 PM
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search for reset ecu
Old 03-15-2008, 12:42 PM
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Why can't people just help instead of "try searching stupid"
1. Turn the ignition key to the on (not start) position.
2. Press the gas pedal to the floor and hold for five seconds.
3. Turn the key to the "off" position (don't remove the key), then release the gas pedal.
4. Wait at least two minutes for ECU to reset.
Hope that was helpful.
Old 03-15-2008, 02:44 PM
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Originally Posted by AkaSigFreak
Why can't people just help instead of "try searching stupid"
so giving a clue to what to search isn't help?
Old 03-15-2008, 03:08 PM
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Originally Posted by AkaSigFreak
Why can't people just help instead of "try searching stupid"
1. Turn the ignition key to the on (not start) position.
2. Press the gas pedal to the floor and hold for five seconds.
3. Turn the key to the "off" position (don't remove the key), then release the gas pedal.
4. Wait at least two minutes for ECU to reset.
Hope that was helpful.
Because it's been covered ad infinitum all over this site.
Old 03-15-2008, 03:14 PM
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300E a couple 1994 w124wagon E320 Wagon/,1971MGB Track/Rally, MG Midget Autocross ,2000 E320 wagon.
Resets

the tcu not the ecu.
procedure as above,make sure key is just to on (not run) some nimrod did that and wondered why his engine hit the rev limiter in park
resets trans to factory shift points,will relearn to your driving style so repeat as directed
ohlord
Old 03-15-2008, 03:17 PM
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300E a couple 1994 w124wagon E320 Wagon/,1971MGB Track/Rally, MG Midget Autocross ,2000 E320 wagon.
One of the

forum members has created a site called everythingbenz.com
use the search bar at his site to look for any benz tips ,procedures,etc.
saves a lot of getting yelled at
ohlord
Old 03-15-2008, 05:19 PM
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so is there any way to confirm that you did this correctly? does it beep or give any kind of sign?
Old 03-15-2008, 05:34 PM
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Originally Posted by Lakerz4sho
so is there any way to confirm that you did this correctly? does it beep or give any kind of sign?
Nope. This is one of those unwritten things.
Old 03-15-2008, 05:41 PM
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this was the case for w203, has anyone got evidence of this working in W204
Old 03-15-2008, 06:54 PM
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?

why would you want to do this, I can see if you bought he car used, but is there a point if its yours and new?
Old 03-15-2008, 07:28 PM
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Originally Posted by shaunpaulinc
why would you want to do this, I can see if you bought he car used, but is there a point if its yours and new?
I can see the value in a two-driver household with significantly different driving styles.
Old 03-15-2008, 11:12 PM
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Originally Posted by shaunpaulinc
why would you want to do this, I can see if you bought he car used, but is there a point if its yours and new?
I would prob want to do this AFTER my break-in period
I take it easy while its new, and once the engine is nice and worked in a bit, i'd prob want to reset it to re-learn my driving style
Old 03-16-2008, 02:03 AM
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I'm assuming that this reset is relevant only for automatic transmissions. Am I correct? Is there any benefit to doing this to my car, a manual?

And excuse the following rant, please:

In response to the quick discussion at the top, and hoping not to start a fight/flame war: no, I don't think that just suggesting search keywords or saying "STFF" is helping. It would be helping if accompanied by a quick, summarized answer to the question asked.

The amount of energy expended differs little between typing 1. just "STFF" and 2. "Try searching for A, B, and C. Many threads exist on this topic. Good luck."

Yet I've seen so many threads here littered with statement #1 that it's gettin pretty old. What's more, as you all know, mbworld isn't the only forum where the same thing happens. Why anyone even bothers to waste the energy to type "STFF" in reply to a post is just beyond me. If a person is asking about something already much discussed, in other words unfamiliar with the search function, he wouldn't even understand what STFF stands for.

I think similar arguments can be made even between "STFF, there's a wealth of information on this subject already" and typing "This is how you do it: blah blah. You should also try searching for A, B, C." Meanwhile, the second reply yields far, far greater benefit for the OP.

Why not just help a guy out, just for kicks?

Last edited by narky; 03-16-2008 at 02:40 AM.
Old 03-16-2008, 10:47 AM
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Originally Posted by narky
I'm assuming that this reset is relevant only for automatic transmissions. Am I correct? Is there any benefit to doing this to my car, a manual?

And excuse the following rant, please:

In response to the quick discussion at the top, and hoping not to start a fight/flame war: no, I don't think that just suggesting search keywords or saying "STFF" is helping. It would be helping if accompanied by a quick, summarized answer to the question asked.

The amount of energy expended differs little between typing 1. just "STFF" and 2. "Try searching for A, B, and C. Many threads exist on this topic. Good luck."

Yet I've seen so many threads here littered with statement #1 that it's gettin pretty old. What's more, as you all know, mbworld isn't the only forum where the same thing happens. Why anyone even bothers to waste the energy to type "STFF" in reply to a post is just beyond me. If a person is asking about something already much discussed, in other words unfamiliar with the search function, he wouldn't even understand what STFF stands for.

I think similar arguments can be made even between "STFF, there's a wealth of information on this subject already" and typing "This is how you do it: blah blah. You should also try searching for A, B, C." Meanwhile, the second reply yields far, far greater benefit for the OP.

Why not just help a guy out, just for kicks?
Even though your car is a manual, it is still drive-by-wire so it should work. Try it out.
Old 03-16-2008, 12:34 PM
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Originally Posted by AsianML
Even though your car is a manual, it is still drive-by-wire so it should work. Try it out.
one thing I dont get is, if its learning, I'd assume it's continuous? it should be adaptive learning and not needing reset?

I'd think the ECU is programmed to reset itself from time to time or when it detects a dramatic change in driving style..
Old 03-16-2008, 03:04 PM
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Originally Posted by kfm999
one thing I dont get is, if its learning, I'd assume it's continuous? it should be adaptive learning and not needing reset?

I'd think the ECU is programmed to reset itself from time to time or when it detects a dramatic change in driving style..
Quite possible, however you'll still live with lag until the TCU learns the more aggressive driving style. How long will you be driving aggressively until the TCU finally gets it down? This reset does it right away and gets it moving right from the start.
Old 03-16-2008, 06:35 PM
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Originally Posted by AsianML
Even though your car is a manual, it is still drive-by-wire so it should work. Try it out.
thanks. awesome news! I'm still breakin it in, but will do after i hit 1000~1500 miles.
Old 03-16-2008, 08:11 PM
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agree

Originally Posted by AkaSigFreak
Why can't people just help instead of "try searching stupid"
1. Turn the ignition key to the on (not start) position.
2. Press the gas pedal to the floor and hold for five seconds.
3. Turn the key to the "off" position (don't remove the key), then release the gas pedal.
4. Wait at least two minutes for ECU to reset.
Hope that was helpful.
there are a handfull of people here who are here all the time, who talk via email to each other, and are friends. So I guess its kinda like why do I wanna sign on and see people being negative and talking ****. This is fun for me, nothing more. its impossible to be tough guy, so just be nice. its fun!
lol NOW frak off!
jk
shaun lol
Old 03-17-2008, 02:43 AM
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Appreciate the help! I apologize, for not finding it in search before posting.
Old 03-18-2008, 11:59 AM
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Originally Posted by AsianML
Quite possible, however you'll still live with lag until the TCU learns the more aggressive driving style. How long will you be driving aggressively until the TCU finally gets it down? This reset does it right away and gets it moving right from the start.
Did you notice any changes after the reset yourself?

Maybe I ought to try it
Old 03-18-2008, 12:35 PM
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I'm going to do it, I've been babying the car to much during the break-in period. I'm driving like an old lady.
Old 03-18-2008, 04:47 PM
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Originally Posted by kfm999
Did you notice any changes after the reset yourself?

Maybe I ought to try it
I've been doing the resets every other week for almost a year now. Since the ML is my mom's daily driver the throttle and shift points are pretty low and slow when it comes time for me to drive it. There is an improvement in throttle response from a stop. It's also quicker to downshift when I go about full throttle without kickdown from a roll. It usually takes about 2-3 seconds for the TCU to decide if it wants to downshift or not, after reset it's down to 1-2. Of course kickdown is always the fastest way to go.
Old 03-18-2008, 06:34 PM
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Retraining the trans

<<I've read on here before that some of you guys know a sequence you can do with the throttle or something, where you make the computer forget your driving style.>>

I have not asked about the 7-speed as yet but to retrain the previous 5-speed trans requires a set procedure. After the trans is zero-ed out with the dealer laptop, you accelerate in each gear at a certain throttle opening X times and then stop. This is done in each gear a specified number of times until fifth. Then there is a routine done with the key to save the settings.

When completed the engine revved higher in each gear and the shift points were more evenly spaced. It took several miles of stop-start to do all this. When it's done properly, the tech puts the pressure gauges on the trans and measures torque output, disregarding speeds.

I have a multi-page printout of the procedure from the tech who works on my car.

It takes more than just driving it.
Old 03-18-2008, 06:42 PM
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Originally Posted by RLE
<<I've read on here before that some of you guys know a sequence you can do with the throttle or something, where you make the computer forget your driving style.>>

I have not asked about the 7-speed as yet but to retrain the previous 5-speed trans requires a set procedure. After the trans is zero-ed out with the dealer laptop, you accelerate in each gear at a certain throttle opening X times and then stop. This is done in each gear a specified number of times until fifth. Then there is a routine done with the key to save the settings.

When completed the engine revved higher in each gear and the shift points were more evenly spaced. It took several miles of stop-start to do all this. When it's done properly, the tech puts the pressure gauges on the trans and measures torque output, disregarding speeds.

I have a multi-page printout of the procedure from the tech who works on my car.

It takes more than just driving it.
Is this similar to the procedure you described above?

http://youtube.com/watch?v=Il4lFYXYcTU

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