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Thread: Mercedes Benz reset/reprogram 722.6 automatic transmission

  1. #1
    Moderator hvmercy's Avatar
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    Mercedes Benz reset/reprogram 722.6 automatic transmission

    Youtube video on how to reset a Mercedes Benz 722.6 transmission

    http://www.youtube.com/watch?v=gYVAO...b3FUAAAAAAAFAA

  2. #2
    Moderator hvmercy's Avatar
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    Admin pls. post as sticky. Thanks.

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    great find!! :thumbsup:

  4. #4
    Moderator hvmercy's Avatar
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    I didn't discover it. 8=Anonymous=8 did. He/She should take credit for it.
    Quote Originally Posted by wichipong View Post
    great find!! :thumbsup:

  5. #5
    Senior Member 8=Anonymous=8's Avatar
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    Thanks,
    Not my vid btw so the credit should go to the guy who made it

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    Senior Member vixen_w202's Avatar
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    EDIT: Realized thanks to taking to time to read the video description that this won't apply to my tranny. Just found out after some online homework I have the 722.424. Jumped the gun and thought I was watching instructions for the 4 spd, it's not. The 722.6 is a 5 speed.

    I really should not watch things like this when I'm tired....

    I'm having hard shift issues occasionally on mine, and I'd like to correct it. If I can't I can live with it, but was curious. And are the 722.424 shifts controlled by the ECU?
    Last edited by vixen_w202; 03-29-2013 at 08:48 PM.
    96 Black C280 (Black Vixen) - Sold/Retired 10/13

    I no longer own a w202 and I kick myself in the head every day for it...

  7. #7
    Senior Member 98Benzo's Avatar
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    wow great post man I will be doing this to my car again and not paying my benz tech $80 like i did 2 years ago -.-

  8. #8
    Senior Member 8=Anonymous=8's Avatar
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    Quote Originally Posted by vixen_w202 View Post
    EDIT: Realized thanks to taking to time to read the video description that this won't apply to my tranny. Just found out after some online homework I have the 722.424. Jumped the gun and thought I was watching instructions for the 4 spd, it's not. The 722.6 is a 5 speed.

    I really should not watch things like this when I'm tired....

    I'm having hard shift issues occasionally on mine, and I'd like to correct it. If I can't I can live with it, but was curious. And are the 722.424 shifts controlled by the ECU?
    No, your shifts are vacuum/hydraulic powered
    I forgot how to solve your problem, be doing some searching later.



    Ok, found some info from Benz World, it's a little bit to read but might help.
    Majority of the info here.
    Down the bottom of the page is a download link for a diagram of the transmission control module(Bowden cable adjustment)
    Last edited by 8=Anonymous=8; 03-30-2013 at 03:40 AM.

  9. #9
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    I did it, It has transformed the car off the line. The lady I bought it from never exceeded about 40 MPH so it was in top at about 1200 rpm. Kickdown from fifth to fourth still didn't fond the torque curve and was lazy. It isn't now and drives properly. Big thanks!

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