06-17-2015, 03:24 PM
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- Mercedes-Benz E-Class AMG: How to Reset Your ECU
Step by step instructions for do-it-yourself repairs
Holy Crap you guys.....sneaky ECU reset WORKS!!!
03-06-2011, 11:04 PM
#353
Key Reset:
=============
1. Key in ignition on position 2
2. Floor accelerator pedal and hold down 5 - 10 seconds
3. Switch key in position 1
4. Release accelerator pedal
5. Sit still for 2 minutes and don't do anything
6. DONE!!!
Drive Reset:
=============
DON'T DO THIS ON THE FREEWAY!!!
1. Look for a industrial area where no cops, pedestrians or others lurk around.
2. Accelerate from stand still into 3rd gear then release gas pedal and let it roll until you reach about 7 mph, accelerate from rolling back up into 3rd gear. Do this 3 times.
IMPORTANT: Do not use the brakes. Let the car decelerate by simple rolling out!
Don't bash if this is not working. I don't have the magazine anymore where I read it (came out 2 years ago or so in a German car enthusiast magazine).
=============
1. Key in ignition on position 2
2. Floor accelerator pedal and hold down 5 - 10 seconds
3. Switch key in position 1
4. Release accelerator pedal
5. Sit still for 2 minutes and don't do anything
6. DONE!!!
Drive Reset:
=============
DON'T DO THIS ON THE FREEWAY!!!
1. Look for a industrial area where no cops, pedestrians or others lurk around.
2. Accelerate from stand still into 3rd gear then release gas pedal and let it roll until you reach about 7 mph, accelerate from rolling back up into 3rd gear. Do this 3 times.
IMPORTANT: Do not use the brakes. Let the car decelerate by simple rolling out!
Don't bash if this is not working. I don't have the magazine anymore where I read it (came out 2 years ago or so in a German car enthusiast magazine).
03-07-2011, 12:23 AM
#355
03-07-2011, 12:40 AM
#357
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BENZ 550
03-07-2011, 11:11 PM
#360
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Join Date: May 2004
Location: Monroe, Louisiana
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SL 65 AMG and E63s AMG
This tread has been going on for almost 5 years.
Amazing. And yes the sneaky reset still works.
Another way to reset it is to disconnect the battery for a few minutes. That's what the dealer did to mine when I complained about sluggish shifts before I knew about the sneaky way.
BTW it works on my wife's SL 600 too.
Amazing. And yes the sneaky reset still works.
Another way to reset it is to disconnect the battery for a few minutes. That's what the dealer did to mine when I complained about sluggish shifts before I knew about the sneaky way.
BTW it works on my wife's SL 600 too.
03-07-2011, 11:16 PM
#361
If one disconnects the battery the wrong way you can seriously mess up ABS, BAS, Keyless-Go, the Windows, Sunroof, etc. and the windows and sunroof are the easy ones to fix. I'm following a guy right now who has Keyless-Go issues for weeks now since he thought he wanna do exactly that.
The trouble you can start with that battery disconnect is not worth the result you can gain, just a honest advise.
The trouble you can start with that battery disconnect is not worth the result you can gain, just a honest advise.
03-08-2011, 12:21 AM
#363
Don't unplug it if you don't have to. It's well documented in WIS for everyone to read it up. I could look it up but I don't want... playing UNO!
Last edited by Mackhack; 03-08-2011 at 12:23 AM.
04-06-2011, 10:42 PM
#371
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Join Date: Apr 2006
Location: Maryland
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Eurocharged 2004 E500, Eurocharged ECU/TCU 2005 SL600, 2010 Caddy SwaggerWagon
Drive Reset:
=============
DON'T DO THIS ON THE FREEWAY!!!
1. Look for a industrial area where no cops, pedestrians or others lurk around.
2. Accelerate from stand still into 3rd gear then release gas pedal and let it roll until you reach about 7 mph, accelerate from rolling back up into 3rd gear. Do this 3 times.
IMPORTANT: Do not use the brakes. Let the car decelerate by simple rolling out!
04-06-2011, 10:49 PM
#372
This is exactly the procedure the shop foreman at my dealer told me to do, on my cars equipped with the 7G tranny, to cure the rough 2-1 downshift problem, not reset the lazy throttle adaptation. Although, the procedure mentioned that this had to be done before coolant temp reached 100*F, which I thought was odd.
04-06-2011, 10:52 PM
#373
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Eurocharged 2004 E500, Eurocharged ECU/TCU 2005 SL600, 2010 Caddy SwaggerWagon
This was for my 2006 R500. They replaced the tranny valve body and this was part of the adaptation procedure. I'll try to dig it up.
