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Thread: ECU Reset as found on MBWorld

  1. #1
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    ECU Reset as found on MBWorld

    I stumbled across this old thread on MBWorld. I don't know if it's applicable to just AMG 202s or all, but I figured I'd share the info. The previous owner of my C43 drove a lot in winter mode to save gas, so I thought this would be good for me. I did this, and drove. I touch the gas, my head hits the headrest violently. I seriously thought my tranny was on crack cocaine it was working so well. I advise everyone to try this and see if it works for you like it did for me, I'm VERY happy with my C43 right now

    ECU RESET AS FOLLOWS 1.TURN KEY TO ON POSITION. 2.FLOOR ACCELERATOR HOLD FOR 5 SECONDS, TURN KEY TO OFF POSITION DO NOT REMOVE KEY RELEASE ACCELERATOR .DO NOT OPEN DOOR WINDOWS ETC.3.WAIT 2-3 MIN.FOR COMPUTER TO RESET.Start car drive aggressively for approx 10 miles.The computer will 'tailor' itself for a more aggressive performace.This worked very well on my car and you can definatly feel the difference especially if the car has been driven lazily for a whil.Like A SHOT IN THE A@@!!
    May 2010 - July 2012: 2000 C230K, Highly modded, 142xxx miles, SOLD
    July 2012 - Present : 98 C43, 109xxx miles, H&R Springs, Eurocharged ECU Tune, AMG style pedals, aftermarket CD player.

  2. #2
    Moderator Sulaco's Avatar
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    That resets the transmission's shift patterns.
    94 C280, 250k miles, 1999-2011 (gone, never forgotten)
    CURRENT:
    744 Silver 99 C43 AMG, 260k miles, 2011-
    040 Black 98 C43 AMG, 190k miles, 2013-

  3. #3
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    ....which would explain why my tranny was on crack. lol. Ah well.
    May 2010 - July 2012: 2000 C230K, Highly modded, 142xxx miles, SOLD
    July 2012 - Present : 98 C43, 109xxx miles, H&R Springs, Eurocharged ECU Tune, AMG style pedals, aftermarket CD player.

  4. #4
    Senior Member W202FTW's Avatar
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    If you want to reset the ECU just kill the battery for about 15 seconds.
    ====================
    VISIT THE W201nW202 YOUTUBE PAGE:
    http://www.youtube.com/user/W201n202

    1999 Mercedes C230 Kompressor / Rust Bucket, No MODS
    2001 Mercedes E430 Sport
    2009 Toyota Camry Hybrid
    ====================

  5. #5
    Senior Member 8=Anonymous=8's Avatar
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    Quote Originally Posted by C43inNC View Post
    ....which would explain why my tranny was on crack. lol. Ah well.
    Close enough to a ecu reset

  6. #6
    Senior Member Yujin's Avatar
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    Yeah, I wasnt sure that was the procedure for a ECU reset. Lol
    My W202 2000 C230 Kompressor
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    I just did this again then just put it to the floor for 10 minutes n holly shit! I forgot the difference it made

  8. #8
    Senior Member W202FTW's Avatar
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    Just note that the transmission learns your driving patterns as you drive. The harder you drive, the longer it holds each gear.
    ====================
    VISIT THE W201nW202 YOUTUBE PAGE:
    http://www.youtube.com/user/W201n202

    1999 Mercedes C230 Kompressor / Rust Bucket, No MODS
    2001 Mercedes E430 Sport
    2009 Toyota Camry Hybrid
    ====================

  9. #9
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    True that, but it kicks down way quicker to get to the power because for a while it wouldn't go to third at like 60 it'd only go to 4th unless I did it manually lol

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    Ive read about this, but i heard its only like 97+ cars? I have a 96 280. Anyone know if itll work?
    "anyone can drive a new car, it takes a true enthusiast to breath life into an older one"

  11. #11
    Senior Member W202FTW's Avatar
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    Quote Originally Posted by chimchongdlight View Post
    Ive read about this, but i heard its only like 97+ cars? I have a 96 280. Anyone know if itll work?
    No, the 4 speed automatics use vacuum to change gears. However there is an adjustment switch to change how soft or firm the shifts are.
    ====================
    VISIT THE W201nW202 YOUTUBE PAGE:
    http://www.youtube.com/user/W201n202

    1999 Mercedes C230 Kompressor / Rust Bucket, No MODS
    2001 Mercedes E430 Sport
    2009 Toyota Camry Hybrid
    ====================

  12. #12
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    What exactly is this adjustment switch and/or how to I make adjust it? I, too, have a 96 280
    to clarify, I want the firmest of firm shifts possible.
    Last edited by SirMax; 10-13-2016 at 12:41 AM.

  13. #13
    Junior Member BlownC43's Avatar
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    got to try this

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